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Message #06721
[Merge] ~ahosmanmsft/cloud-init:azurecloudtests into cloud-init:master
Ahmed has proposed merging ~ahosmanmsft/cloud-init:azurecloudtests into cloud-init:master.
Commit message:
added azure to cloud tests
Requested reviews:
cloud-init Commiters (cloud-init-dev)
For more details, see:
https://code.launchpad.net/~ahosmanmsft/cloud-init/+git/cloud-init/+merge/372957
--
The attached diff has been truncated due to its size.
Your team cloud-init Commiters is requested to review the proposed merge of ~ahosmanmsft/cloud-init:azurecloudtests into cloud-init:master.
diff --git a/cloudinit/cmd/devel/net_convert.py b/cloudinit/cmd/devel/net_convert.py
index 1ad7e0b..ff07740 100755
--- a/cloudinit/cmd/devel/net_convert.py
+++ b/cloudinit/cmd/devel/net_convert.py
@@ -32,7 +32,7 @@ def get_parser(parser=None):
metavar="PATH", required=True)
parser.add_argument("-k", "--kind",
choices=['eni', 'network_data.json', 'yaml',
- 'azure-imds', 'vmware-imc'],
+ 'azurecloud-imds', 'vmware-imc'],
required=True)
parser.add_argument("-d", "--directory",
metavar="PATH",
@@ -88,7 +88,7 @@ def handle_args(name, args):
elif args.kind == 'network_data.json':
pre_ns = openstack.convert_net_json(
json.loads(net_data), known_macs=known_macs)
- elif args.kind == 'azure-imds':
+ elif args.kind == 'azurecloud-imds':
pre_ns = azure.parse_network_config(json.loads(net_data))
elif args.kind == 'vmware-imc':
config = ovf.Config(ovf.ConfigFile(args.network_data.name))
diff --git a/cloudinit/net/tests/test_dhcp.py b/cloudinit/net/tests/test_dhcp.py
index 91f503c..02bf2dc 100644
--- a/cloudinit/net/tests/test_dhcp.py
+++ b/cloudinit/net/tests/test_dhcp.py
@@ -443,7 +443,7 @@ class TestSystemdParseLeases(CiTestCase):
{'1': self.azure_parsed}, networkd_load_leases(self.lease_d))
def test_multiple_files(self):
- """Multiple leases files on azure with one found return that value."""
+ """Multiple leases files on azurecloud with one found return that value."""
self.maxDiff = None
populate_dir(self.lease_d, {'1': self.azure_lease,
'9': self.lxd_lease})
diff --git a/cloudinit/sources/DataSourceAzure.py b/cloudinit/sources/DataSourceAzure.py
index 4984fa8..44a2dbe 100755
--- a/cloudinit/sources/DataSourceAzure.py
+++ b/cloudinit/sources/DataSourceAzure.py
@@ -51,13 +51,13 @@ BOUNCE_COMMAND_FREEBSD = [
"ifconfig up $i || x=$?; exit $x")
]
-# azure systems will always have a resource disk, and 66-azure-ephemeral.rules
+# azurecloud systems will always have a resource disk, and 66-azurecloud-ephemeral.rules
# ensures that it gets linked to this path.
RESOURCE_DISK_PATH = '/dev/disk/cloud/azure_resource'
DEFAULT_PRIMARY_NIC = 'eth0'
LEASE_FILE = '/var/lib/dhcp/dhclient.eth0.leases'
DEFAULT_FS = 'ext4'
-# DMI chassis-asset-tag is set static for all azure instances
+# DMI chassis-asset-tag is set static for all azurecloud instances
AZURE_CHASSIS_ASSET_TAG = '7783-7084-3265-9085-8269-3286-77'
REPROVISION_MARKER_FILE = "/var/lib/cloud/data/poll_imds"
REPORTED_READY_MARKER_FILE = "/var/lib/cloud/data/reported_ready"
@@ -73,7 +73,7 @@ PLATFORM_ENTROPY_SOURCE = "/sys/firmware/acpi/tables/OEM0"
# List of static scripts and network config artifacts created by
# stock ubuntu suported images.
UBUNTU_EXTENDED_NETWORK_SCRIPTS = [
- '/etc/netplan/90-hotplug-azure.yaml',
+ '/etc/netplan/90-hotplug-azurecloud.yaml',
'/usr/local/sbin/ephemeral_eth.sh',
'/etc/udev/rules.d/10-net-device-added.rules',
'/run/network/interfaces.ephemeral.d',
@@ -289,7 +289,7 @@ class DataSourceAzure(sources.DataSource):
def __init__(self, sys_cfg, distro, paths):
sources.DataSource.__init__(self, sys_cfg, distro, paths)
- self.seed_dir = os.path.join(paths.seed_dir, 'azure')
+ self.seed_dir = os.path.join(paths.seed_dir, 'azurecloud')
self.cfg = {}
self.seed = None
self.ds_cfg = util.mergemanydict([
@@ -395,7 +395,7 @@ class DataSourceAzure(sources.DataSource):
unavailable, broken or disabled.
"""
crawled_data = {}
- # azure removes/ejects the cdrom containing the ovf-env.xml
+ # azurecloud removes/ejects the cdrom containing the ovf-env.xml
# file on reboot. So, in order to successfully reboot we
# need to look in the datadir and consider that valid
ddir = self.ds_cfg['data_dir']
@@ -717,8 +717,8 @@ class DataSourceAzure(sources.DataSource):
"""Initiate the reprovisioning workflow."""
contents = self._poll_imds()
with events.ReportEventStack(
- name="reprovisioning-read-azure-ovf",
- description="read azure ovf during reprovisioning",
+ name="reprovisioning-read-azurecloud-ovf",
+ description="read azurecloud ovf during reprovisioning",
parent=azure_ds_reporter):
md, ud, cfg = read_azure_ovf(contents)
return (md, ud, cfg, {'ovf-env.xml': contents})
@@ -1253,7 +1253,7 @@ def _check_freebsd_cdrom(cdrom_dev):
def _get_random_seed(source=PLATFORM_ENTROPY_SOURCE):
"""Return content random seed file if available, otherwise,
return None."""
- # azure / hyper-v provides random data here
+ # azurecloud / hyper-v provides random data here
# now update ds_cfg to reflect contents pass in config
if source is None:
return None
@@ -1428,7 +1428,7 @@ def maybe_remove_ubuntu_network_config_scripts(paths=None):
additional interfaces which get attached by a customer at some point
after initial boot. Since the Azure datasource can now regenerate
network configuration as metadata reports these new devices, we no longer
- want the udev rules or netplan's 90-hotplug-azure.yaml to configure
+ want the udev rules or netplan's 90-hotplug-azurecloud.yaml to configure
networking on eth1 or greater as it might collide with cloud-init's
configuration.
@@ -1456,7 +1456,7 @@ def maybe_remove_ubuntu_network_config_scripts(paths=None):
def _is_platform_viable(seed_dir):
with events.ReportEventStack(
name="check-platform-viability",
- description="found azure asset tag",
+ description="found azurecloud asset tag",
parent=azure_ds_reporter) as evt:
"""Check platform environment to report if this datasource may run."""
diff --git a/cloudinit/sources/__init__.py b/cloudinit/sources/__init__.py
index a319322..e2e0020 100644
--- a/cloudinit/sources/__init__.py
+++ b/cloudinit/sources/__init__.py
@@ -63,7 +63,7 @@ LOG = logging.getLogger(__name__)
CLOUD_ID_REGION_PREFIX_MAP = {
'cn-': ('aws-china', lambda c: c == 'aws'), # only change aws regions
'us-gov-': ('aws-gov', lambda c: c == 'aws'), # only change aws regions
- 'china': ('azure-china', lambda c: c == 'azure'), # only change azure
+ 'china': ('azurecloud-china', lambda c: c == 'azurecloud'), # only change azurecloud
}
# NetworkConfigSource represents the canonical list of network config sources
@@ -149,7 +149,7 @@ class DataSource(object):
# Cached cloud_name as determined by _get_cloud_name
_cloud_name = None
- # Cached cloud platform api type: e.g. ec2, openstack, kvm, lxd, azure etc.
+ # Cached cloud platform api type: e.g. ec2, openstack, kvm, lxd, azurecloud etc.
_platform_type = None
# More details about the cloud platform:
diff --git a/cloudinit/sources/helpers/azure.py b/cloudinit/sources/helpers/azure.py
index f1fba17..a51ed14 100755
--- a/cloudinit/sources/helpers/azure.py
+++ b/cloudinit/sources/helpers/azure.py
@@ -33,8 +33,8 @@ SYSTEMINFO_EVENT_TYPE = 'system-info'
DIAGNOSTIC_EVENT_TYPE = 'diagnostic'
azure_ds_reporter = events.ReportEventStack(
- name="azure-ds",
- description="initialize reporter for azure ds",
+ name="azurecloud-ds",
+ description="initialize reporter for azurecloud ds",
reporting_enabled=True)
diff --git a/cloudinit/sources/tests/test_init.py b/cloudinit/sources/tests/test_init.py
index 6378e98..ce54b7a 100644
--- a/cloudinit/sources/tests/test_init.py
+++ b/cloudinit/sources/tests/test_init.py
@@ -667,15 +667,15 @@ class TestCanonicalCloudID(CiTestCase):
platform='platform'))
def test_cloud_id_azure_based_on_region_and_cloud_name(self):
- """Report cloud-id when cloud_name is azure and region is in china."""
+ """Report cloud-id when cloud_name is azurecloud and region is in china."""
self.assertEqual(
- 'azure-china',
- canonical_cloud_id(cloud_name='azure',
+ 'azurecloud-china',
+ canonical_cloud_id(cloud_name='azurecloud',
region='chinaeast',
platform='platform'))
self.assertEqual(
- 'azure',
- canonical_cloud_id(cloud_name='azure',
+ 'azurecloud',
+ canonical_cloud_id(cloud_name='azurecloud',
region='!chinaeast',
platform='platform'))
diff --git a/integration-requirements.txt b/integration-requirements.txt
index fe5ad45..ecf3a69 100644
--- a/integration-requirements.txt
+++ b/integration-requirements.txt
@@ -20,3 +20,15 @@ git+https://github.com/lxc/pylxd.git@4b8ab1802f9aee4eb29cf7b119dae0aa47150779
# finds latest image information
git+https://git.launchpad.net/simplestreams
+
+# azure backend
+msrestazure==0.6.1
+azure-common==1.1.23
+azure-mgmt-compute==7.0.0
+azure-mgmt-network==5.0.0
+azure-mgmt-resource==4.0.0
+
+
+
+
+
diff --git a/tests/cloud_tests/platforms.yaml b/tests/cloud_tests/platforms.yaml
index 652a705..55f3b4d 100644
--- a/tests/cloud_tests/platforms.yaml
+++ b/tests/cloud_tests/platforms.yaml
@@ -67,5 +67,9 @@ platforms:
nocloud-kvm:
enabled: true
cache_mode: cache=none,aio=native
+ azure:
+ enabled: true
+ vm_size: Standard_DS1_v2
+ tag: ci
# vi: ts=4 expandtab
diff --git a/tests/cloud_tests/platforms/__init__.py b/tests/cloud_tests/platforms/__init__.py
index a01e51a..793669f 100644
--- a/tests/cloud_tests/platforms/__init__.py
+++ b/tests/cloud_tests/platforms/__init__.py
@@ -5,11 +5,13 @@
from .ec2 import platform as ec2
from .lxd import platform as lxd
from .nocloudkvm import platform as nocloudkvm
+from .azurecloud import platform as azure
PLATFORMS = {
'ec2': ec2.EC2Platform,
'nocloud-kvm': nocloudkvm.NoCloudKVMPlatform,
'lxd': lxd.LXDPlatform,
+ 'azurecloud': azure.AzureCloudPlatform,
}
diff --git a/tests/cloud_tests/platforms/azurecloud/__init__.py b/tests/cloud_tests/platforms/azurecloud/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/cloud_tests/platforms/azurecloud/__init__.py
diff --git a/tests/cloud_tests/platforms/azurecloud/image.py b/tests/cloud_tests/platforms/azurecloud/image.py
new file mode 100644
index 0000000..bad4667
--- /dev/null
+++ b/tests/cloud_tests/platforms/azurecloud/image.py
@@ -0,0 +1,99 @@
+# This file is part of cloud-init. See LICENSE file for license information.
+
+"""Azure image Base class."""
+
+from ..images import Image
+from .snapshot import AzureCloudSnapshot
+from tests.cloud_tests import LOG
+
+
+class AzureCloudImage(Image):
+ """Azure backed image."""
+
+ platform_name = 'azurecloud'
+
+ def __init__(self, platform, config, image_id):
+ """Set up image.
+
+ @param platform: platform object
+ @param config: image configuration
+ @param image_id: image id used to boot instance
+ """
+ super(AzureCloudImage, self).__init__(platform, config)
+ self._img_instance = None
+ self.vm_name = image_id
+
+ @property
+ def _instance(self):
+ """Internal use only, returns a running instance"""
+ if not self._img_instance:
+ self._img_instance = self.platform.create_instance(
+ self.properties, self.config, self.features,
+ self.vm_name, user_data=None)
+ return self._img_instance
+
+ def destroy(self):
+ """Delete the instance used to create a custom image."""
+ if self._img_instance:
+ LOG.debug('Deleting instance %s', self._img_instance.name)
+ delete_vm = self.platform.compute_client.virtual_machines.delete(
+ self.platform.resource_group.name, self._img_instance.name)
+ delete_vm.wait()
+
+ super(AzureCloudImage, self).destroy()
+
+ def _execute(self, *args, **kwargs):
+ """Execute command in image, modifying image."""
+ self._instance()
+ return self._instance._execute(*args, **kwargs)
+
+ def push_file(self, local_path, remote_path):
+ """Copy file at 'local_path' to instance at 'remote_path'."""
+ return self._instance.push_file(local_path, remote_path)
+
+ def run_script(self, *args, **kwargs):
+ """Run script in image, modifying image.
+
+ @return_value: script output
+ """
+ self._instance()
+ return self._instance.run_script(*args, **kwargs)
+
+ def snapshot(self):
+ """ Create snapshot (image) of instance, wait until done.
+
+ If no instance has been booted, base image is returned.
+ Otherwise runs the clean script, deallocates, generalizes
+ and creates custom image from instance.
+ """
+ if not self._img_instance:
+ return AzureCloudSnapshot(self.platform, self.properties, self.config,
+ self.features, self.vm_name,
+ delete_on_destroy=False)
+
+ if self.config.get('boot_clean_script'):
+ self._img_instance.run_script(self.config.get('boot_clean_script'))
+
+ deallocate = self.platform.compute_client.virtual_machines.deallocate(
+ self.platform.resource_group.name, self.vm_name)
+ deallocate.wait()
+
+ self.platform.compute_client.virtual_machines.generalize(
+ self.platform.resource_group.name, self.vm_name)
+
+ image_params = {
+ "location": self.platform.location,
+ "properties": {
+ "sourceVirtualMachine": {
+ "id": self._instance.id
+ }
+ }
+ }
+ self.platform.compute_client.images.create_or_update(
+ self.platform.resource_group.name, self.vm_name,
+ image_params)
+
+ return AzureCloudSnapshot(self.platform, self.properties, self.config,
+ self.features, self.vm_name)
+
+# vi: ts=4 expandtab
diff --git a/tests/cloud_tests/platforms/azurecloud/instance.py b/tests/cloud_tests/platforms/azurecloud/instance.py
new file mode 100644
index 0000000..4624d63
--- /dev/null
+++ b/tests/cloud_tests/platforms/azurecloud/instance.py
@@ -0,0 +1,147 @@
+# This file is part of cloud-init. See LICENSE file for license information.
+
+"""Base Azure Cloud instance."""
+
+import os
+import traceback
+from msrestazure.azure_exceptions import CloudError
+from ..instances import Instance
+from tests.cloud_tests import LOG
+
+
+class AzureCloudInstance(Instance):
+ """Azure Cloud backed instance."""
+
+ platform_name = 'azurecloud'
+
+ def __init__(self, platform, properties, config,
+ features, image_id, user_data=None):
+ """Set up instance.
+
+ @param platform: platform object
+ @param properties: dictionary of properties
+ @param config: dictionary of configuration values
+ @param features: dictionary of supported feature flags
+ @param image_id: image to find and/or use
+ @param user_data: test user-data to pass to instance
+ """
+ super(AzureCloudInstance, self).__init__(
+ platform, image_id, properties, config, features)
+
+ self.ssh_port = 22
+ self.ssh_ip = None
+ self.instance = None
+ self.user_data = user_data
+ self.image_id = image_id.split('__')[1]
+ self.ssh_key_file = os.path.join(
+ platform.config['data_dir'], platform.config['public_key'])
+ self.ssh_pubkey_file = os.path.join(
+ platform.config['data_dir'], platform.config['private_key'])
+
+ def start(self, wait=True, wait_for_cloud_init=False):
+ """Start instance with the platforms NIC."""
+ if not self.instance:
+ image_exists = False
+ data = self.image_id.split('-')
+ release, support = data[1].replace('_', '.'), data[2]
+ sku = '%s-%s' % (release, support) if support == 'LTS' else release
+ image_resource_id = '/subscriptions/%s' \
+ '/resourceGroups/%s' \
+ '/providers/Microsoft.Compute/images/%s' % (
+ self.platform.subscription_id,
+ self.platform.resource_group.name,
+ self.image_id)
+
+ try:
+ LOG.debug('finding image in resource group using image_id')
+ self.platform.compute_client.images.get(
+ self.platform.resource_group.name,
+ self.image_id
+ )
+ image_exists = True
+ LOG.debug('image found, launching instance')
+ except CloudError:
+ LOG.debug('launching instance with base image')
+ pass
+
+ vm_params = {
+ 'location': self.platform.location,
+ 'os_profile': {
+ 'computer_name': self.image_id.replace('_', ''),
+ 'admin_username': self.ssh_username,
+ 'admin_password': 'Pa$$w0rd91',
+ "disable_password_authentication": True,
+ "ssh": {
+ "public_keys": [{
+ "path": "/home/%s/.ssh/authorized_keys" %
+ self.ssh_username,
+ "key_data": self.platform.ssh_pub
+ }]
+ },
+ "customData": self.user_data
+ },
+ 'hardware_profile': {
+ 'vm_size': self.platform.vm_size
+ },
+ 'storage_profile': {
+ 'image_reference': {
+ 'id': image_resource_id
+ } if image_exists else {
+ 'publisher': 'Canonical',
+ 'offer': 'UbuntuServer',
+ 'sku': sku,
+ 'version': 'latest'
+ }
+ },
+ 'network_profile': {
+ 'network_interfaces': [{
+ 'id': self.platform.nic.id
+ }]
+ },
+ 'tags': {
+ 'Name': self.platform.tag,
+ }
+ }
+
+ try:
+ self.instance = \
+ self.platform.compute_client.virtual_machines.create_or_update(
+ self.platform.resource_group.name, self.image_id, vm_params)
+ except CloudError:
+ raise RuntimeError('failed creating instance:\n{}'.format(
+ traceback.format_exc()))
+
+ if wait:
+ self.instance.wait()
+ self._wait_for_system(wait_for_cloud_init)
+
+ self.ssh_ip = self.platform.public_ip.ip_address
+
+ def shutdown(self, wait=True):
+ """Shutdown instance."""
+ LOG.debug('deallocating instance %s', self.image_id)
+ vm_deallocate = \
+ self.platform.compute_client.virtual_machines.deallocate(
+ self.platform.resource_group.name, self.image_id)
+ if wait:
+ vm_deallocate.wait()
+
+ def destroy(self):
+ """Clean up instance."""
+ if self.instance:
+ LOG.debug('destroying instance: %s', self.image_id)
+ vm_delete = self.platform.compute_client.virtual_machines.delete(
+ self.platform.resource_group.name, self.image_id)
+ vm_delete.wait()
+
+ self._ssh_close()
+
+ super(AzureCloudInstance, self).destroy()
+
+ def _execute(self, command, stdin=None, env=None):
+ """Execute command on instance."""
+ env_args = []
+ if env:
+ env_args = ['env'] + ["%s=%s" for k, v in env.items()]
+
+ return self._ssh(['sudo'] + env_args + list(command), stdin=stdin)
diff --git a/tests/cloud_tests/platforms/azurecloud/platform.py b/tests/cloud_tests/platforms/azurecloud/platform.py
new file mode 100644
index 0000000..bfcfa4f
--- /dev/null
+++ b/tests/cloud_tests/platforms/azurecloud/platform.py
@@ -0,0 +1,204 @@
+# This file is part of cloud-init. See LICENSE file for license information.
+
+"""Base Azure Cloud class."""
+
+import os
+import traceback
+from datetime import datetime
+from azure.common.credentials import ServicePrincipalCredentials
+from azure.mgmt.resource import ResourceManagementClient
+from azure.mgmt.network import NetworkManagementClient
+from azure.mgmt.compute import ComputeManagementClient
+from tests.cloud_tests import LOG
+from .image import AzureCloudImage
+from .instance import AzureCloudInstance
+from ..platforms import Platform
+from msrestazure.azure_exceptions import CloudError
+
+
+class AzureCloudPlatform(Platform):
+ """Azure Cloud test platforms."""
+
+ platform_name = 'azurecloud'
+
+ def __init__(self, config):
+ """Set up platform."""
+ super(AzureCloudPlatform, self).__init__(config)
+ self.tag = '%s-%s' % (
+ config['tag'], datetime.now().strftime('%Y%m%d.%H%M%S'))
+ self.ssh_pub = self._public_key(config)
+ self.vm_size = config['vm_size']
+
+ try:
+ self.credentials, self.subscription_id, self.location =\
+ self._get_credentials()
+ self.resource_client = ResourceManagementClient(
+ self.credentials, self.subscription_id)
+ self.compute_client = ComputeManagementClient(
+ self.credentials, self.subscription_id)
+ self.network_client = NetworkManagementClient(
+ self.credentials, self.subscription_id)
+ self.resource_group = self._create_resource_group()
+ self.public_ip = self._create_public_ip_address()
+ self.vnet = self._create_vnet()
+ self.subnet = self._create_subnet()
+ self.nic = self._create_nic()
+ except CloudError:
+ raise RuntimeError('failed creating a resource:\n{}'.format(
+ traceback.format_exc()))
+
+ def create_instance(self, properties, config, features,
+ image_id, user_data=None):
+ """Create an instance
+
+ @param properties: image properties
+ @param config: image configuration
+ @param features: image features
+ @param image_id: string of image id
+ @param user_data: test user-data to pass to instance
+ @return_value: cloud_tests.instances instance
+ """
+ return AzureCloudInstance(self, properties, config, features,
+ image_id, user_data)
+
+ def get_image(self, img_conf):
+ """Get image using specified image configuration.
+
+ @param img_conf: configuration for image
+ @return_value: cloud_tests.images instance
+ """
+
+ filters = [
+ 'arch=%s' % 'amd64',
+ 'endpoint=https://management.core.windows.net/',
+ 'region=%s' % self.location,
+ 'release=%s' % img_conf['release']
+ ]
+
+ LOG.debug('finding image using streams')
+ image = self._query_streams(img_conf, filters)
+
+ try:
+ image_id = image['id']
+ except KeyError:
+ raise RuntimeError('no images found for %s' % img_conf['release'])
+
+ LOG.debug('found image: %s', image_id)
+ image = AzureCloudImage(self, img_conf, image_id)
+
+ return image
+
+ def destroy(self):
+ """Delete all resources in resource group."""
+ LOG.debug("Deleting resource group: %s" % self.resource_group.name)
+ delete = self.resource_client.resource_groups.delete(
+ self.resource_group.name)
+ delete.wait()
+
+ def _get_credentials(self):
+ """Get credentials from environment"""
+ LOG.debug('getting credentials')
+ location = os.environ['AZURE_LOCATION']
+ subscription_id = os.environ['AZURE_SUBSCRIPTION_ID']
+ credentials = ServicePrincipalCredentials(
+ client_id=os.environ['AZURE_CLIENT_ID'],
+ secret=os.environ['AZURE_CLIENT_SECRET'],
+ tenant=os.environ['AZURE_TENANT_ID']
+ )
+ return credentials, subscription_id, location
+
+ def _create_resource_group(self):
+ """Create resource group"""
+ LOG.debug('creating resource group')
+ resource_group_name = 'citests'
+ resource_group_params = {
+ 'location': self.location,
+ 'tags': {
+ 'Name': self.tag
+ }
+ }
+ resource_group = self.resource_client.resource_groups.create_or_update(
+ resource_group_name, resource_group_params)
+ return resource_group
+
+ def _create_public_ip_address(self):
+ """Create public ip address"""
+ LOG.debug('creating public ip address')
+ public_ip_name = '%s-ip' % self.resource_group.name
+ public_ip_params = {
+ 'location': self.location,
+ 'public_ip_allocation_method': 'Dynamic',
+ 'tags': {
+ 'Name': self.tag
+ }
+ }
+ ip = self.network_client.public_ip_addresses.create_or_update(
+ self.resource_group.name, public_ip_name, public_ip_params)
+ return ip.result()
+
+ def _create_vnet(self):
+ """create virtual network"""
+ LOG.debug('creating vnet')
+ vnet_name = '%s-vnet' % self.resource_group.name
+ vnet_params = {
+ 'location': self.location,
+ 'address_space': {
+ 'address_prefixes': ['10.0.0.0/16']
+ },
+ 'tags': {
+ 'Name': self.tag
+ }
+ }
+ vnet = self.network_client.virtual_networks.create_or_update(
+ self.resource_group.name, vnet_name, vnet_params)
+ return vnet.result()
+
+ def _create_subnet(self):
+ """create sub-network"""
+ LOG.debug('creating subnet')
+ subnet_name = '%s-subnet' % self.resource_group.name
+ subnet_params = {
+ 'address_prefix': '10.0.0.0/24',
+ 'tags': {
+ 'Name': self.tag
+ }
+ }
+ subnet = self.network_client.subnets.create_or_update(
+ self.resource_group.name, self.vnet.name,
+ subnet_name, subnet_params)
+ return subnet.result()
+
+ def _create_nic(self):
+ """Create network interface controller"""
+ LOG.debug('creating nic')
+ nic_name = '%s-nic' % self.resource_group.name
+ nic_params = {
+ 'location': self.location,
+ 'ip_configurations': [{
+ 'name': 'ipconfig',
+ 'subnet': {
+ 'id': self.subnet.id
+ },
+ 'publicIpAddress': {
+ 'id': "/subscriptions/%s"
+ "/resourceGroups/%s/providers/Microsoft.Network"
+ "/publicIPAddresses/%s" % (
+ self.subscription_id, self.resource_group.name,
+ self.public_ip.name),
+ }
+ }],
+ 'tags': {
+ 'Name': self.tag
+ }
+
+ }
+ nic = self.network_client.network_interfaces.create_or_update(
+ self.resource_group.name, nic_name, nic_params)
+ return nic.result()
+
+ def _public_key(self, config):
+ """Get public key"""
+ pub_key_file = os.path.join(config['data_dir'], config['public_key'])
+ with open(pub_key_file, 'r') as file:
+ public_key = file.read().strip('\n')
+ return public_key
diff --git a/tests/cloud_tests/platforms/azurecloud/snapshot.py b/tests/cloud_tests/platforms/azurecloud/snapshot.py
new file mode 100644
index 0000000..5aa6a2a
--- /dev/null
+++ b/tests/cloud_tests/platforms/azurecloud/snapshot.py
@@ -0,0 +1,57 @@
+# This file is part of cloud-init. See LICENSE file for license information.
+
+"""Base Azure snapshot."""
+
+from ..snapshots import Snapshot
+from tests.cloud_tests import LOG
+
+
+class AzureCloudSnapshot(Snapshot):
+ """Azure cloud image copy backed snapshot."""
+
+ platform_name = 'azurecloud'
+
+ def __init__(self, platform, properties, config, features, image_id,
+ delete_on_destroy=True):
+ """Set up snapshot.
+
+ @param platform: platform object
+ @param properties: image properties
+ @param config: image config
+ @param features: supported feature flags
+ """
+ super(AzureCloudSnapshot, self).__init__(
+ platform, properties, config, features)
+
+ self.image_id = image_id
+ self.delete_on_destroy = delete_on_destroy
+
+ def launch(self, user_data, meta_data=None, block=True, start=True,
+ use_desc=None):
+ """Launch instance.
+
+ @param user_data: user-data for the instance
+ @param meta_data: meta_data for the instance
+ @param block: wait until instance is created
+ @param start: start instance and wait until fully started
+ @param use_desc: description of snapshot instance use
+ @return_value: an Instance
+ """
+ if meta_data is not None:
+ raise ValueError("metadata not supported on Azure cloud tests")
+
+ vm = self.platform.create_instance(
+ self.properties, self.config, self.features,
+ self.image_id, user_data)
+ vm.wait()
+ return vm.result()
+
+ def destroy(self):
+ """Clean up snapshot data."""
+ LOG.debug('destroying image %s' % self.image_id)
+ if self.delete_on_destroy:
+ self.platform.compute_client.images.delete(
+ self.platform.resource_group.name,
+ self.image_id)
+
+# vi: ts=4 expandtab
diff --git a/tests/unittests/test_datasource/test_azure.py b/tests/unittests/test_datasource/test_azure.py
index 3547dd9..271cdc9 100644
--- a/tests/unittests/test_datasource/test_azure.py
+++ b/tests/unittests/test_datasource/test_azure.py
@@ -342,7 +342,7 @@ scbus-1 on xpt0 bus 0
return ["pubkey_from: %s" % f for f in flist]
if data.get('ovfcontent') is not None:
- populate_dir(os.path.join(self.paths.seed_dir, "azure"),
+ populate_dir(os.path.join(self.paths.seed_dir, "azurecloud"),
{'ovf-env.xml': data['ovfcontent']})
dsaz.BUILTIN_DS_CONFIG['data_dir'] = self.waagent_d
@@ -451,10 +451,10 @@ scbus-1 on xpt0 bus 0
self.assertEqual(dsrc.metadata['local-hostname'], odata['HostName'])
self.assertTrue(os.path.isfile(
os.path.join(self.waagent_d, 'ovf-env.xml')))
- self.assertEqual('azure', dsrc.cloud_name)
- self.assertEqual('azure', dsrc.platform_type)
+ self.assertEqual('azurecloud', dsrc.cloud_name)
+ self.assertEqual('azurecloud', dsrc.platform_type)
self.assertEqual(
- 'seed-dir (%s/seed/azure)' % self.tmp, dsrc.subplatform)
+ 'seed-dir (%s/seed/azurecloud)' % self.tmp, dsrc.subplatform)
def test_basic_dev_file(self):
"""When a device path is used, present that in subplatform."""
@@ -466,8 +466,8 @@ scbus-1 on xpt0 bus 0
self.assertTrue(dsrc.get_data())
self.assertEqual(dsrc.userdata_raw, 'ud')
self.assertEqual(dsrc.metadata['local-hostname'], 'me')
- self.assertEqual('azure', dsrc.cloud_name)
- self.assertEqual('azure', dsrc.platform_type)
+ self.assertEqual('azurecloud', dsrc.cloud_name)
+ self.assertEqual('azurecloud', dsrc.platform_type)
self.assertEqual('config-disk (/dev/cd0)', dsrc.subplatform)
def test_get_data_non_ubuntu_will_not_remove_network_scripts(self):
@@ -1178,7 +1178,7 @@ class TestAzureBounce(CiTestCase):
def _get_ds(self, ovfcontent=None, agent_command=None):
if ovfcontent is not None:
- populate_dir(os.path.join(self.paths.seed_dir, "azure"),
+ populate_dir(os.path.join(self.paths.seed_dir, "azurecloud"),
{'ovf-env.xml': ovfcontent})
dsrc = dsaz.DataSourceAzure(
{}, distro=None, paths=self.paths)
@@ -1262,7 +1262,7 @@ class TestAzureBounce(CiTestCase):
self.logs.getvalue())
def test_different_hostnames_sets_hostname(self):
- expected_hostname = 'azure-expected-host-name'
+ expected_hostname = 'azurecloud-expected-host-name'
self.get_hostname.return_value = 'default-host-name'
dsrc = self._get_ds(
self.get_ovf_env_with_dscfg(expected_hostname, {}),
@@ -1275,7 +1275,7 @@ class TestAzureBounce(CiTestCase):
@mock.patch(MOCKPATH + 'perform_hostname_bounce')
def test_different_hostnames_performs_bounce(
self, perform_hostname_bounce):
- expected_hostname = 'azure-expected-host-name'
+ expected_hostname = 'azurecloud-expected-host-name'
self.get_hostname.return_value = 'default-host-name'
dsrc = self._get_ds(
self.get_ovf_env_with_dscfg(expected_hostname, {}),
@@ -1984,7 +1984,7 @@ class TestWBIsPlatformViable(CiTestCase):
m_exist.called_once_with('/other/seed/dir')
def test_false_on_no_matching_azure_criteria(self):
- """Report non-azure on unmatched asset tag, ovf-env absent and no dev.
+ """Report non-azurecloud on unmatched asset tag, ovf-env absent and no dev.
Return False when the asset tag doesn't match Azure's static
AZURE_CHASSIS_ASSET_TAG, no ovf-env.xml files exist in known seed dirs
@@ -2011,7 +2011,7 @@ class TestRandomSeed(CiTestCase):
contains at least one non-Unicode character can be converted to/from
JSON without alteration and without throwing an exception.
"""
- path = resourceLocation("azure/non_unicode_random_string")
+ path = resourceLocation("azurecloud/non_unicode_random_string")
result = dsaz._get_random_seed(path)
obj = {'seed': result}
diff --git a/tests/unittests/test_datasource/test_azure_helper.py b/tests/unittests/test_datasource/test_azure_helper.py
index bd006ab..3dc3a84 100644
--- a/tests/unittests/test_datasource/test_azure_helper.py
+++ b/tests/unittests/test_datasource/test_azure_helper.py
@@ -92,7 +92,7 @@ class TestFindEndpoint(CiTestCase):
self.dhcp_options.return_value = {"eth0": {"unknown_245": "5:4:3:2"}}
self.assertEqual('5.4.3.2', wa_shim.find_endpoint(None))
- @mock.patch('cloudinit.sources.helpers.azure.util.is_FreeBSD')
+ @mock.patch('cloudinit.sources.helpers.azurecloud.util.is_FreeBSD')
def test_latest_lease_used(self, m_is_freebsd):
m_is_freebsd.return_value = False # To avoid hitting load_file
encoded_addresses = ['5:4:3:2', '4:3:2:1']
@@ -304,7 +304,7 @@ class TestOpenSSLManagerActions(CiTestCase):
self.allowed_subp = True
def _data_file(self, name):
- path = 'tests/data/azure'
+ path = 'tests/data/azurecloud'
return os.path.join(path, name)
@unittest2.skip("todo move to cloud_test")
diff --git a/tests/unittests/test_ds_identify.py b/tests/unittests/test_ds_identify.py
index 7aeeb91..b2aae81 100644
--- a/tests/unittests/test_ds_identify.py
+++ b/tests/unittests/test_ds_identify.py
@@ -236,7 +236,7 @@ class TestDsIdentify(DsIdentifyBase):
def test_azure_seed_file_detection(self):
"""Azure datasource is detected due to presence of a seed file.
- The seed file tested is /var/lib/cloud/seed/azure/ovf-env.xml."""
+ The seed file tested is /var/lib/cloud/seed/azurecloud/ovf-env.xml."""
self._test_ds_found('Azure-seed-detection')
def test_aws_ec2_hvm(self):
@@ -484,7 +484,7 @@ class TestDsIdentify(DsIdentifyBase):
def test_default_ovf_returns_not_found_on_azure(self):
"""OVF datasource won't be found as false positive on Azure."""
ovfonazure = copy.deepcopy(VALID_CFG['OVF'])
- # Set azure asset tag to assert OVF content not found
+ # Set azurecloud asset tag to assert OVF content not found
ovfonazure['files'][P_CHASSIS_ASSET_TAG] = (
'7783-7084-3265-9085-8269-3286-77\n')
self._check_via_dict(
@@ -716,7 +716,7 @@ VALID_CFG = {
'ds': 'Azure',
'files': {
P_CHASSIS_ASSET_TAG: 'No-match\n',
- os.path.join(P_SEED_DIR, 'azure', 'ovf-env.xml'): 'present\n',
+ os.path.join(P_SEED_DIR, 'azurecloud', 'ovf-env.xml'): 'present\n',
}
},
'Ec2-hvm': {
diff --git a/venv/bin/activate b/venv/bin/activate
new file mode 100644
index 0000000..729d8ee
--- /dev/null
+++ b/venv/bin/activate
@@ -0,0 +1,84 @@
+# This file must be used with "source bin/activate" *from bash*
+# you cannot run it directly
+
+
+if [ "${BASH_SOURCE-}" = "$0" ]; then
+ echo "You must source this script: \$ source $0" >&2
+ exit 33
+fi
+
+deactivate () {
+ unset -f pydoc >/dev/null 2>&1
+
+ # reset old environment variables
+ # ! [ -z ${VAR+_} ] returns true if VAR is declared at all
+ if ! [ -z "${_OLD_VIRTUAL_PATH:+_}" ] ; then
+ PATH="$_OLD_VIRTUAL_PATH"
+ export PATH
+ unset _OLD_VIRTUAL_PATH
+ fi
+ if ! [ -z "${_OLD_VIRTUAL_PYTHONHOME+_}" ] ; then
+ PYTHONHOME="$_OLD_VIRTUAL_PYTHONHOME"
+ export PYTHONHOME
+ unset _OLD_VIRTUAL_PYTHONHOME
+ fi
+
+ # This should detect bash and zsh, which have a hash command that must
+ # be called to get it to forget past commands. Without forgetting
+ # past commands the $PATH changes we made may not be respected
+ if [ -n "${BASH-}" ] || [ -n "${ZSH_VERSION-}" ] ; then
+ hash -r 2>/dev/null
+ fi
+
+ if ! [ -z "${_OLD_VIRTUAL_PS1+_}" ] ; then
+ PS1="$_OLD_VIRTUAL_PS1"
+ export PS1
+ unset _OLD_VIRTUAL_PS1
+ fi
+
+ unset VIRTUAL_ENV
+ if [ ! "${1-}" = "nondestructive" ] ; then
+ # Self destruct!
+ unset -f deactivate
+ fi
+}
+
+# unset irrelevant variables
+deactivate nondestructive
+
+VIRTUAL_ENV="/Users/ahmedosman/Desktop/Cinit/cloud-init/venv"
+export VIRTUAL_ENV
+
+_OLD_VIRTUAL_PATH="$PATH"
+PATH="$VIRTUAL_ENV/bin:$PATH"
+export PATH
+
+# unset PYTHONHOME if set
+if ! [ -z "${PYTHONHOME+_}" ] ; then
+ _OLD_VIRTUAL_PYTHONHOME="$PYTHONHOME"
+ unset PYTHONHOME
+fi
+
+if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT-}" ] ; then
+ _OLD_VIRTUAL_PS1="${PS1-}"
+ if [ "x" != x ] ; then
+ PS1="${PS1-}"
+ else
+ PS1="(`basename \"$VIRTUAL_ENV\"`) ${PS1-}"
+ fi
+ export PS1
+fi
+
+# Make sure to unalias pydoc if it's already there
+alias pydoc 2>/dev/null >/dev/null && unalias pydoc || true
+
+pydoc () {
+ python -m pydoc "$@"
+}
+
+# This should detect bash and zsh, which have a hash command that must
+# be called to get it to forget past commands. Without forgetting
+# past commands the $PATH changes we made may not be respected
+if [ -n "${BASH-}" ] || [ -n "${ZSH_VERSION-}" ] ; then
+ hash -r 2>/dev/null
+fi
diff --git a/venv/bin/activate.csh b/venv/bin/activate.csh
new file mode 100644
index 0000000..d89db08
--- /dev/null
+++ b/venv/bin/activate.csh
@@ -0,0 +1,55 @@
+# This file must be used with "source bin/activate.csh" *from csh*.
+# You cannot run it directly.
+# Created by Davide Di Blasi <davidedb@xxxxxxxxx>.
+
+set newline='\
+'
+
+alias deactivate 'test $?_OLD_VIRTUAL_PATH != 0 && setenv PATH "$_OLD_VIRTUAL_PATH:q" && unset _OLD_VIRTUAL_PATH; rehash; test $?_OLD_VIRTUAL_PROMPT != 0 && set prompt="$_OLD_VIRTUAL_PROMPT:q" && unset _OLD_VIRTUAL_PROMPT; unsetenv VIRTUAL_ENV; test "\!:*" != "nondestructive" && unalias deactivate && unalias pydoc'
+
+# Unset irrelevant variables.
+deactivate nondestructive
+
+setenv VIRTUAL_ENV "/Users/ahmedosman/Desktop/Cinit/cloud-init/venv"
+
+set _OLD_VIRTUAL_PATH="$PATH:q"
+setenv PATH "$VIRTUAL_ENV:q/bin:$PATH:q"
+
+
+
+if ("" != "") then
+ set env_name = ""
+else
+ set env_name = '('"$VIRTUAL_ENV:t:q"') '
+endif
+
+if ( $?VIRTUAL_ENV_DISABLE_PROMPT ) then
+ if ( $VIRTUAL_ENV_DISABLE_PROMPT == "" ) then
+ set do_prompt = "1"
+ else
+ set do_prompt = "0"
+ endif
+else
+ set do_prompt = "1"
+endif
+
+if ( $do_prompt == "1" ) then
+ # Could be in a non-interactive environment,
+ # in which case, $prompt is undefined and we wouldn't
+ # care about the prompt anyway.
+ if ( $?prompt ) then
+ set _OLD_VIRTUAL_PROMPT="$prompt:q"
+ if ( "$prompt:q" =~ *"$newline:q"* ) then
+ :
+ else
+ set prompt = "$env_name:q$prompt:q"
+ endif
+ endif
+endif
+
+unset env_name
+unset do_prompt
+
+alias pydoc python -m pydoc
+
+rehash
diff --git a/venv/bin/activate.fish b/venv/bin/activate.fish
new file mode 100644
index 0000000..eaa0608
--- /dev/null
+++ b/venv/bin/activate.fish
@@ -0,0 +1,102 @@
+# This file must be used using `source bin/activate.fish` *within a running fish ( http://fishshell.com ) session*.
+# Do not run it directly.
+
+function _bashify_path -d "Converts a fish path to something bash can recognize"
+ set fishy_path $argv
+ set bashy_path $fishy_path[1]
+ for path_part in $fishy_path[2..-1]
+ set bashy_path "$bashy_path:$path_part"
+ end
+ echo $bashy_path
+end
+
+function _fishify_path -d "Converts a bash path to something fish can recognize"
+ echo $argv | tr ':' '\n'
+end
+
+function deactivate -d 'Exit virtualenv mode and return to the normal environment.'
+ # reset old environment variables
+ if test -n "$_OLD_VIRTUAL_PATH"
+ # https://github.com/fish-shell/fish-shell/issues/436 altered PATH handling
+ if test (echo $FISH_VERSION | tr "." "\n")[1] -lt 3
+ set -gx PATH (_fishify_path $_OLD_VIRTUAL_PATH)
+ else
+ set -gx PATH $_OLD_VIRTUAL_PATH
+ end
+ set -e _OLD_VIRTUAL_PATH
+ end
+
+ if test -n "$_OLD_VIRTUAL_PYTHONHOME"
+ set -gx PYTHONHOME $_OLD_VIRTUAL_PYTHONHOME
+ set -e _OLD_VIRTUAL_PYTHONHOME
+ end
+
+ if test -n "$_OLD_FISH_PROMPT_OVERRIDE"
+ and functions -q _old_fish_prompt
+ # Set an empty local `$fish_function_path` to allow the removal of `fish_prompt` using `functions -e`.
+ set -l fish_function_path
+
+ # Erase virtualenv's `fish_prompt` and restore the original.
+ functions -e fish_prompt
+ functions -c _old_fish_prompt fish_prompt
+ functions -e _old_fish_prompt
+ set -e _OLD_FISH_PROMPT_OVERRIDE
+ end
+
+ set -e VIRTUAL_ENV
+
+ if test "$argv[1]" != 'nondestructive'
+ # Self-destruct!
+ functions -e pydoc
+ functions -e deactivate
+ functions -e _bashify_path
+ functions -e _fishify_path
+ end
+end
+
+# Unset irrelevant variables.
+deactivate nondestructive
+
+set -gx VIRTUAL_ENV "/Users/ahmedosman/Desktop/Cinit/cloud-init/venv"
+
+# https://github.com/fish-shell/fish-shell/issues/436 altered PATH handling
+if test (echo $FISH_VERSION | tr "." "\n")[1] -lt 3
+ set -gx _OLD_VIRTUAL_PATH (_bashify_path $PATH)
+else
+ set -gx _OLD_VIRTUAL_PATH $PATH
+end
+set -gx PATH "$VIRTUAL_ENV/bin" $PATH
+
+# Unset `$PYTHONHOME` if set.
+if set -q PYTHONHOME
+ set -gx _OLD_VIRTUAL_PYTHONHOME $PYTHONHOME
+ set -e PYTHONHOME
+end
+
+function pydoc
+ python -m pydoc $argv
+end
+
+if test -z "$VIRTUAL_ENV_DISABLE_PROMPT"
+ # Copy the current `fish_prompt` function as `_old_fish_prompt`.
+ functions -c fish_prompt _old_fish_prompt
+
+ function fish_prompt
+ # Save the current $status, for fish_prompts that display it.
+ set -l old_status $status
+
+ # Prompt override provided?
+ # If not, just prepend the environment name.
+ if test -n ""
+ printf '%s%s' "" (set_color normal)
+ else
+ printf '%s(%s) ' (set_color normal) (basename "$VIRTUAL_ENV")
+ end
+
+ # Restore the original $status
+ echo "exit $old_status" | source
+ _old_fish_prompt
+ end
+
+ set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV"
+end
diff --git a/venv/bin/activate.ps1 b/venv/bin/activate.ps1
new file mode 100644
index 0000000..42a9875
--- /dev/null
+++ b/venv/bin/activate.ps1
@@ -0,0 +1,67 @@
+# This file must be dot sourced from PoSh; you cannot run it directly. Do this: . ./activate.ps1
+
+if (@($null,"Internal") -notcontains $myinvocation.commandorigin) {
+ Write-Host -Foreground red "You must 'source' this script: PS> . $($myinvocation.invocationname)"
+ exit 33
+}
+
+$script:THIS_PATH = $myinvocation.mycommand.path
+$script:BASE_DIR = Split-Path (Resolve-Path "$THIS_PATH/..") -Parent
+
+function global:deactivate([switch] $NonDestructive) {
+ if (Test-Path variable:_OLD_VIRTUAL_PATH) {
+ $env:PATH = $variable:_OLD_VIRTUAL_PATH
+ Remove-Variable "_OLD_VIRTUAL_PATH" -Scope global
+ }
+
+ if (Test-Path function:_old_virtual_prompt) {
+ $function:prompt = $function:_old_virtual_prompt
+ Remove-Item function:\_old_virtual_prompt
+ }
+
+ if ($env:VIRTUAL_ENV) {
+ Remove-Item env:VIRTUAL_ENV -ErrorAction SilentlyContinue
+ }
+
+ if (!$NonDestructive) {
+ # Self destruct!
+ Remove-Item function:deactivate
+ Remove-Item function:pydoc
+ }
+}
+
+function global:pydoc {
+ python -m pydoc $args
+}
+
+# unset irrelevant variables
+deactivate -nondestructive
+
+$VIRTUAL_ENV = $BASE_DIR
+$env:VIRTUAL_ENV = $VIRTUAL_ENV
+
+New-Variable -Scope global -Name _OLD_VIRTUAL_PATH -Value $env:PATH
+
+$env:PATH = "$env:VIRTUAL_ENV/bin:" + $env:PATH
+if (!$env:VIRTUAL_ENV_DISABLE_PROMPT) {
+ function global:_old_virtual_prompt {
+ ""
+ }
+ $function:_old_virtual_prompt = $function:prompt
+
+ if ("" -ne "") {
+ function global:prompt {
+ # Add the custom prefix to the existing prompt
+ $previous_prompt_value = & $function:_old_virtual_prompt
+ ("" + $previous_prompt_value)
+ }
+ }
+ else {
+ function global:prompt {
+ # Add a prefix to the current prompt, but don't discard it.
+ $previous_prompt_value = & $function:_old_virtual_prompt
+ $new_prompt_value = "($( Split-Path $env:VIRTUAL_ENV -Leaf )) "
+ ($new_prompt_value + $previous_prompt_value)
+ }
+ }
+}
diff --git a/venv/bin/activate.xsh b/venv/bin/activate.xsh
new file mode 100644
index 0000000..3216dd1
--- /dev/null
+++ b/venv/bin/activate.xsh
@@ -0,0 +1,46 @@
+"""Xonsh activate script for virtualenv"""
+from xonsh.tools import get_sep as _get_sep
+
+def _deactivate(args):
+ if "pydoc" in aliases:
+ del aliases["pydoc"]
+
+ if ${...}.get("_OLD_VIRTUAL_PATH", ""):
+ $PATH = $_OLD_VIRTUAL_PATH
+ del $_OLD_VIRTUAL_PATH
+
+ if ${...}.get("_OLD_VIRTUAL_PYTHONHOME", ""):
+ $PYTHONHOME = $_OLD_VIRTUAL_PYTHONHOME
+ del $_OLD_VIRTUAL_PYTHONHOME
+
+ if "VIRTUAL_ENV" in ${...}:
+ del $VIRTUAL_ENV
+
+ if "VIRTUAL_ENV_PROMPT" in ${...}:
+ del $VIRTUAL_ENV_PROMPT
+
+ if "nondestructive" not in args:
+ # Self destruct!
+ del aliases["deactivate"]
+
+
+# unset irrelevant variables
+_deactivate(["nondestructive"])
+aliases["deactivate"] = _deactivate
+
+$VIRTUAL_ENV = r"/Users/ahmedosman/Desktop/Cinit/cloud-init/venv"
+
+$_OLD_VIRTUAL_PATH = $PATH
+$PATH = $PATH[:]
+$PATH.add($VIRTUAL_ENV + _get_sep() + "bin", front=True, replace=True)
+
+if ${...}.get("PYTHONHOME", ""):
+ # unset PYTHONHOME if set
+ $_OLD_VIRTUAL_PYTHONHOME = $PYTHONHOME
+ del $PYTHONHOME
+
+$VIRTUAL_ENV_PROMPT = ""
+if not $VIRTUAL_ENV_PROMPT:
+ del $VIRTUAL_ENV_PROMPT
+
+aliases["pydoc"] = ["python", "-m", "pydoc"]
diff --git a/venv/bin/activate_this.py b/venv/bin/activate_this.py
new file mode 100644
index 0000000..aa96457
--- /dev/null
+++ b/venv/bin/activate_this.py
@@ -0,0 +1,46 @@
+"""Activate virtualenv for current interpreter:
+
+Use exec(open(this_file).read(), {'__file__': this_file}).
+
+This can be used when you must use an existing Python interpreter, not the virtualenv bin/python.
+"""
+import os
+import site
+import sys
+
+try:
+ __file__
+except NameError:
+ raise AssertionError("You must use exec(open(this_file).read(), {'__file__': this_file}))")
+
+# prepend bin to PATH (this file is inside the bin directory)
+bin_dir = os.path.dirname(os.path.abspath(__file__))
+os.environ["PATH"] = os.pathsep.join([bin_dir] + os.environ.get("PATH", "").split(os.pathsep))
+
+base = os.path.dirname(bin_dir)
+
+# virtual env is right above bin directory
+os.environ["VIRTUAL_ENV"] = base
+
+# add the virtual environments site-package to the host python import mechanism
+IS_PYPY = hasattr(sys, "pypy_version_info")
+IS_JYTHON = sys.platform.startswith("java")
+if IS_JYTHON:
+ site_packages = os.path.join(base, "Lib", "site-packages")
+elif IS_PYPY:
+ site_packages = os.path.join(base, "site-packages")
+else:
+ IS_WIN = sys.platform == "win32"
+ if IS_WIN:
+ site_packages = os.path.join(base, "Lib", "site-packages")
+ else:
+ site_packages = os.path.join(base, "lib", "python{}.{}".format(*sys.version_info), "site-packages")
+
+prev = set(sys.path)
+site.addsitedir(site_packages)
+sys.real_prefix = sys.prefix
+sys.prefix = base
+
+# Move the added items to the front of the path, in place
+new = list(sys.path)
+sys.path[:] = [i for i in new if i not in prev] + [i for i in new if i in prev]
diff --git a/venv/bin/easy_install b/venv/bin/easy_install
new file mode 100755
index 0000000..6444507
--- /dev/null
+++ b/venv/bin/easy_install
@@ -0,0 +1,10 @@
+#!/Users/ahmedosman/Desktop/Cinit/cloud-init/venv/bin/python
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from setuptools.command.easy_install import main
+
+if __name__ == '__main__':
+ sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+ sys.exit(main())
diff --git a/venv/bin/easy_install-3.7 b/venv/bin/easy_install-3.7
new file mode 100755
index 0000000..6444507
--- /dev/null
+++ b/venv/bin/easy_install-3.7
@@ -0,0 +1,10 @@
+#!/Users/ahmedosman/Desktop/Cinit/cloud-init/venv/bin/python
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from setuptools.command.easy_install import main
+
+if __name__ == '__main__':
+ sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+ sys.exit(main())
diff --git a/venv/bin/pip b/venv/bin/pip
new file mode 100755
index 0000000..4fc1478
--- /dev/null
+++ b/venv/bin/pip
@@ -0,0 +1,10 @@
+#!/Users/ahmedosman/Desktop/Cinit/cloud-init/venv/bin/python
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from pip._internal import main
+
+if __name__ == '__main__':
+ sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+ sys.exit(main())
diff --git a/venv/bin/pip3 b/venv/bin/pip3
new file mode 100755
index 0000000..4fc1478
--- /dev/null
+++ b/venv/bin/pip3
@@ -0,0 +1,10 @@
+#!/Users/ahmedosman/Desktop/Cinit/cloud-init/venv/bin/python
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from pip._internal import main
+
+if __name__ == '__main__':
+ sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+ sys.exit(main())
diff --git a/venv/bin/pip3.7 b/venv/bin/pip3.7
new file mode 100755
index 0000000..4fc1478
--- /dev/null
+++ b/venv/bin/pip3.7
@@ -0,0 +1,10 @@
+#!/Users/ahmedosman/Desktop/Cinit/cloud-init/venv/bin/python
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from pip._internal import main
+
+if __name__ == '__main__':
+ sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+ sys.exit(main())
diff --git a/venv/bin/python b/venv/bin/python
new file mode 100755
index 0000000..275c304
Binary files /dev/null and b/venv/bin/python differ
diff --git a/venv/bin/python-config b/venv/bin/python-config
new file mode 100755
index 0000000..3bd866c
--- /dev/null
+++ b/venv/bin/python-config
@@ -0,0 +1,78 @@
+#!/Users/ahmedosman/Desktop/Cinit/cloud-init/venv/bin/python
+
+import sys
+import getopt
+import sysconfig
+
+valid_opts = ['prefix', 'exec-prefix', 'includes', 'libs', 'cflags',
+ 'ldflags', 'help']
+
+if sys.version_info >= (3, 2):
+ valid_opts.insert(-1, 'extension-suffix')
+ valid_opts.append('abiflags')
+if sys.version_info >= (3, 3):
+ valid_opts.append('configdir')
+
+
+def exit_with_usage(code=1):
+ sys.stderr.write("Usage: {0} [{1}]\n".format(
+ sys.argv[0], '|'.join('--'+opt for opt in valid_opts)))
+ sys.exit(code)
+
+try:
+ opts, args = getopt.getopt(sys.argv[1:], '', valid_opts)
+except getopt.error:
+ exit_with_usage()
+
+if not opts:
+ exit_with_usage()
+
+pyver = sysconfig.get_config_var('VERSION')
+getvar = sysconfig.get_config_var
+
+opt_flags = [flag for (flag, val) in opts]
+
+if '--help' in opt_flags:
+ exit_with_usage(code=0)
+
+for opt in opt_flags:
+ if opt == '--prefix':
+ print(sysconfig.get_config_var('prefix'))
+
+ elif opt == '--exec-prefix':
+ print(sysconfig.get_config_var('exec_prefix'))
+
+ elif opt in ('--includes', '--cflags'):
+ flags = ['-I' + sysconfig.get_path('include'),
+ '-I' + sysconfig.get_path('platinclude')]
+ if opt == '--cflags':
+ flags.extend(getvar('CFLAGS').split())
+ print(' '.join(flags))
+
+ elif opt in ('--libs', '--ldflags'):
+ abiflags = getattr(sys, 'abiflags', '')
+ libs = ['-lpython' + pyver + abiflags]
+ libs += getvar('LIBS').split()
+ libs += getvar('SYSLIBS').split()
+ # add the prefix/lib/pythonX.Y/config dir, but only if there is no
+ # shared library in prefix/lib/.
+ if opt == '--ldflags':
+ if not getvar('Py_ENABLE_SHARED'):
+ libs.insert(0, '-L' + getvar('LIBPL'))
+ if not getvar('PYTHONFRAMEWORK'):
+ libs.extend(getvar('LINKFORSHARED').split())
+ print(' '.join(libs))
+
+ elif opt == '--extension-suffix':
+ ext_suffix = sysconfig.get_config_var('EXT_SUFFIX')
+ if ext_suffix is None:
+ ext_suffix = sysconfig.get_config_var('SO')
+ print(ext_suffix)
+
+ elif opt == '--abiflags':
+ if not getattr(sys, 'abiflags', None):
+ exit_with_usage()
+ print(sys.abiflags)
+
+ elif opt == '--configdir':
+ print(sysconfig.get_config_var('LIBPL'))
diff --git a/venv/bin/python3 b/venv/bin/python3
new file mode 120000
index 0000000..d8654aa
--- /dev/null
+++ b/venv/bin/python3
@@ -0,0 +1 @@
+python
\ No newline at end of file
diff --git a/venv/bin/python3.7 b/venv/bin/python3.7
new file mode 120000
index 0000000..d8654aa
--- /dev/null
+++ b/venv/bin/python3.7
@@ -0,0 +1 @@
+python
\ No newline at end of file
diff --git a/venv/bin/wheel b/venv/bin/wheel
new file mode 100755
index 0000000..ad298d9
--- /dev/null
+++ b/venv/bin/wheel
@@ -0,0 +1,10 @@
+#!/Users/ahmedosman/Desktop/Cinit/cloud-init/venv/bin/python
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from wheel.cli import main
+
+if __name__ == '__main__':
+ sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+ sys.exit(main())
diff --git a/venv/include/python3.7m b/venv/include/python3.7m
new file mode 120000
index 0000000..72523db
--- /dev/null
+++ b/venv/include/python3.7m
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/include/python3.7m
\ No newline at end of file
diff --git a/venv/lib/python3.7/LICENSE.txt b/venv/lib/python3.7/LICENSE.txt
new file mode 120000
index 0000000..52f006e
--- /dev/null
+++ b/venv/lib/python3.7/LICENSE.txt
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/LICENSE.txt
\ No newline at end of file
diff --git a/venv/lib/python3.7/__future__.py b/venv/lib/python3.7/__future__.py
new file mode 120000
index 0000000..e372117
--- /dev/null
+++ b/venv/lib/python3.7/__future__.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/__future__.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/_bootlocale.py b/venv/lib/python3.7/_bootlocale.py
new file mode 120000
index 0000000..1645407
--- /dev/null
+++ b/venv/lib/python3.7/_bootlocale.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/_bootlocale.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/_collections_abc.py b/venv/lib/python3.7/_collections_abc.py
new file mode 120000
index 0000000..71872ea
--- /dev/null
+++ b/venv/lib/python3.7/_collections_abc.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/_collections_abc.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/_dummy_thread.py b/venv/lib/python3.7/_dummy_thread.py
new file mode 120000
index 0000000..d8ddd18
--- /dev/null
+++ b/venv/lib/python3.7/_dummy_thread.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/_dummy_thread.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/_weakrefset.py b/venv/lib/python3.7/_weakrefset.py
new file mode 120000
index 0000000..3ea9a8e
--- /dev/null
+++ b/venv/lib/python3.7/_weakrefset.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/_weakrefset.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/abc.py b/venv/lib/python3.7/abc.py
new file mode 120000
index 0000000..51fca62
--- /dev/null
+++ b/venv/lib/python3.7/abc.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/abc.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/base64.py b/venv/lib/python3.7/base64.py
new file mode 120000
index 0000000..40124d4
--- /dev/null
+++ b/venv/lib/python3.7/base64.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/base64.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/bisect.py b/venv/lib/python3.7/bisect.py
new file mode 120000
index 0000000..c465906
--- /dev/null
+++ b/venv/lib/python3.7/bisect.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/bisect.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/codecs.py b/venv/lib/python3.7/codecs.py
new file mode 120000
index 0000000..33bb20d
--- /dev/null
+++ b/venv/lib/python3.7/codecs.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/codecs.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/collections b/venv/lib/python3.7/collections
new file mode 120000
index 0000000..3be7a62
--- /dev/null
+++ b/venv/lib/python3.7/collections
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/collections
\ No newline at end of file
diff --git a/venv/lib/python3.7/config-3.7m-darwin b/venv/lib/python3.7/config-3.7m-darwin
new file mode 120000
index 0000000..6899df8
--- /dev/null
+++ b/venv/lib/python3.7/config-3.7m-darwin
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/config-3.7m-darwin
\ No newline at end of file
diff --git a/venv/lib/python3.7/copy.py b/venv/lib/python3.7/copy.py
new file mode 120000
index 0000000..da50d12
--- /dev/null
+++ b/venv/lib/python3.7/copy.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/copy.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/copyreg.py b/venv/lib/python3.7/copyreg.py
new file mode 120000
index 0000000..d66284f
--- /dev/null
+++ b/venv/lib/python3.7/copyreg.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/copyreg.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/distutils/__init__.py b/venv/lib/python3.7/distutils/__init__.py
new file mode 100644
index 0000000..b9b0f24
--- /dev/null
+++ b/venv/lib/python3.7/distutils/__init__.py
@@ -0,0 +1,134 @@
+import os
+import sys
+import warnings
+
+# opcode is not a virtualenv module, so we can use it to find the stdlib
+# Important! To work on pypy, this must be a module that resides in the
+# lib-python/modified-x.y.z directory
+import opcode
+
+dirname = os.path.dirname
+
+distutils_path = os.path.join(os.path.dirname(opcode.__file__), "distutils")
+if os.path.normpath(distutils_path) == os.path.dirname(os.path.normpath(__file__)):
+ warnings.warn("The virtualenv distutils package at %s appears to be in the same location as the system distutils?")
+else:
+ __path__.insert(0, distutils_path) # noqa: F821
+ if sys.version_info < (3, 4):
+ import imp
+
+ real_distutils = imp.load_module("_virtualenv_distutils", None, distutils_path, ("", "", imp.PKG_DIRECTORY))
+ else:
+ import importlib.machinery
+
+ distutils_path = os.path.join(distutils_path, "__init__.py")
+ loader = importlib.machinery.SourceFileLoader("_virtualenv_distutils", distutils_path)
+ if sys.version_info < (3, 5):
+ import types
+
+ real_distutils = types.ModuleType(loader.name)
+ else:
+ import importlib.util
+
+ spec = importlib.util.spec_from_loader(loader.name, loader)
+ real_distutils = importlib.util.module_from_spec(spec)
+ loader.exec_module(real_distutils)
+
+ # Copy the relevant attributes
+ try:
+ __revision__ = real_distutils.__revision__
+ except AttributeError:
+ pass
+ __version__ = real_distutils.__version__
+
+from distutils import dist, sysconfig # isort:skip
+
+try:
+ basestring
+except NameError:
+ basestring = str
+
+# patch build_ext (distutils doesn't know how to get the libs directory
+# path on windows - it hardcodes the paths around the patched sys.prefix)
+
+if sys.platform == "win32":
+ from distutils.command.build_ext import build_ext as old_build_ext
+
+ class build_ext(old_build_ext):
+ def finalize_options(self):
+ if self.library_dirs is None:
+ self.library_dirs = []
+ elif isinstance(self.library_dirs, basestring):
+ self.library_dirs = self.library_dirs.split(os.pathsep)
+
+ self.library_dirs.insert(0, os.path.join(sys.real_prefix, "Libs"))
+ old_build_ext.finalize_options(self)
+
+ from distutils.command import build_ext as build_ext_module
+
+ build_ext_module.build_ext = build_ext
+
+# distutils.dist patches:
+
+old_find_config_files = dist.Distribution.find_config_files
+
+
+def find_config_files(self):
+ found = old_find_config_files(self)
+ if os.name == "posix":
+ user_filename = ".pydistutils.cfg"
+ else:
+ user_filename = "pydistutils.cfg"
+ user_filename = os.path.join(sys.prefix, user_filename)
+ if os.path.isfile(user_filename):
+ for item in list(found):
+ if item.endswith("pydistutils.cfg"):
+ found.remove(item)
+ found.append(user_filename)
+ return found
+
+
+dist.Distribution.find_config_files = find_config_files
+
+# distutils.sysconfig patches:
+
+old_get_python_inc = sysconfig.get_python_inc
+
+
+def sysconfig_get_python_inc(plat_specific=0, prefix=None):
+ if prefix is None:
+ prefix = sys.real_prefix
+ return old_get_python_inc(plat_specific, prefix)
+
+
+sysconfig_get_python_inc.__doc__ = old_get_python_inc.__doc__
+sysconfig.get_python_inc = sysconfig_get_python_inc
+
+old_get_python_lib = sysconfig.get_python_lib
+
+
+def sysconfig_get_python_lib(plat_specific=0, standard_lib=0, prefix=None):
+ if standard_lib and prefix is None:
+ prefix = sys.real_prefix
+ return old_get_python_lib(plat_specific, standard_lib, prefix)
+
+
+sysconfig_get_python_lib.__doc__ = old_get_python_lib.__doc__
+sysconfig.get_python_lib = sysconfig_get_python_lib
+
+old_get_config_vars = sysconfig.get_config_vars
+
+
+def sysconfig_get_config_vars(*args):
+ real_vars = old_get_config_vars(*args)
+ if sys.platform == "win32":
+ lib_dir = os.path.join(sys.real_prefix, "libs")
+ if isinstance(real_vars, dict) and "LIBDIR" not in real_vars:
+ real_vars["LIBDIR"] = lib_dir # asked for all
+ elif isinstance(real_vars, list) and "LIBDIR" in args:
+ real_vars = real_vars + [lib_dir] # asked for list
+ return real_vars
+
+
+sysconfig_get_config_vars.__doc__ = old_get_config_vars.__doc__
+sysconfig.get_config_vars = sysconfig_get_config_vars
diff --git a/venv/lib/python3.7/distutils/distutils.cfg b/venv/lib/python3.7/distutils/distutils.cfg
new file mode 100644
index 0000000..1af230e
--- /dev/null
+++ b/venv/lib/python3.7/distutils/distutils.cfg
@@ -0,0 +1,6 @@
+# This is a config file local to this virtualenv installation
+# You may include options that will be used by all distutils commands,
+# and by easy_install. For instance:
+#
+# [easy_install]
+# find_links = http://mylocalsite
diff --git a/venv/lib/python3.7/encodings b/venv/lib/python3.7/encodings
new file mode 120000
index 0000000..aea82ba
--- /dev/null
+++ b/venv/lib/python3.7/encodings
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/encodings
\ No newline at end of file
diff --git a/venv/lib/python3.7/enum.py b/venv/lib/python3.7/enum.py
new file mode 120000
index 0000000..878ec3a
--- /dev/null
+++ b/venv/lib/python3.7/enum.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/enum.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/fnmatch.py b/venv/lib/python3.7/fnmatch.py
new file mode 120000
index 0000000..8cbc2ad
--- /dev/null
+++ b/venv/lib/python3.7/fnmatch.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/fnmatch.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/functools.py b/venv/lib/python3.7/functools.py
new file mode 120000
index 0000000..062f4fd
--- /dev/null
+++ b/venv/lib/python3.7/functools.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/functools.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/genericpath.py b/venv/lib/python3.7/genericpath.py
new file mode 120000
index 0000000..18d2b06
--- /dev/null
+++ b/venv/lib/python3.7/genericpath.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/genericpath.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/hashlib.py b/venv/lib/python3.7/hashlib.py
new file mode 120000
index 0000000..55170dc
--- /dev/null
+++ b/venv/lib/python3.7/hashlib.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/hashlib.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/heapq.py b/venv/lib/python3.7/heapq.py
new file mode 120000
index 0000000..2ec1b7b
--- /dev/null
+++ b/venv/lib/python3.7/heapq.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/heapq.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/hmac.py b/venv/lib/python3.7/hmac.py
new file mode 120000
index 0000000..6d1b60f
--- /dev/null
+++ b/venv/lib/python3.7/hmac.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/hmac.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/imp.py b/venv/lib/python3.7/imp.py
new file mode 120000
index 0000000..2d9a699
--- /dev/null
+++ b/venv/lib/python3.7/imp.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/imp.py
\ No newline at end of file
diff --git a/venv/lib/python3.7/importlib b/venv/lib/python3.7/importlib
new file mode 120000
index 0000000..9ab9b91
--- /dev/null
+++ b/venv/lib/python3.7/importlib
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/importlib
\ No newline at end of file
diff --git a/venv/lib/python3.7/io.py b/venv/lib/python3.7/io.py
new file mode 120000
index 0000000..af0d5e8
--- /dev/null
+++ b/venv/lib/python3.7/io.py
@@ -0,0 +1 @@
+/Users/ahmedosman/anaconda3/lib/python3.7/io.py
\ No newline at end of file
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new file mode 100644
index 0000000..d87e984
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+"""Run the EasyInstall command"""
+
+if __name__ == '__main__':
+ from setuptools.command.easy_install import main
+ main()
diff --git a/venv/lib/python3.7/site-packages/pip-19.2.3.dist-info/INSTALLER b/venv/lib/python3.7/site-packages/pip-19.2.3.dist-info/INSTALLER
new file mode 100644
index 0000000..a1b589e
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+pip
diff --git a/venv/lib/python3.7/site-packages/pip-19.2.3.dist-info/LICENSE.txt b/venv/lib/python3.7/site-packages/pip-19.2.3.dist-info/LICENSE.txt
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+Copyright (c) 2008-2019 The pip developers (see AUTHORS.txt file)
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/venv/lib/python3.7/site-packages/pip-19.2.3.dist-info/METADATA b/venv/lib/python3.7/site-packages/pip-19.2.3.dist-info/METADATA
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index 0000000..45e28ec
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+Metadata-Version: 2.1
+Name: pip
+Version: 19.2.3
+Summary: The PyPA recommended tool for installing Python packages.
+Home-page: https://pip.pypa.io/
+Author: The pip developers
+Author-email: pypa-dev@xxxxxxxxxxxxxxxxx
+License: MIT
+Keywords: distutils easy_install egg setuptools wheel virtualenv
+Platform: UNKNOWN
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Intended Audience :: Developers
+Classifier: License :: OSI Approved :: MIT License
+Classifier: Topic :: Software Development :: Build Tools
+Classifier: Programming Language :: Python
+Classifier: Programming Language :: Python :: 2
+Classifier: Programming Language :: Python :: 2.7
+Classifier: Programming Language :: Python :: 3
+Classifier: Programming Language :: Python :: 3.5
+Classifier: Programming Language :: Python :: 3.6
+Classifier: Programming Language :: Python :: 3.7
+Classifier: Programming Language :: Python :: Implementation :: CPython
+Classifier: Programming Language :: Python :: Implementation :: PyPy
+Requires-Python: >=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*
+
+pip - The Python Package Installer
+==================================
+
+.. image:: https://img.shields.io/pypi/v/pip.svg
+ :target: https://pypi.org/project/pip/
+
+.. image:: https://readthedocs.org/projects/pip/badge/?version=latest
+ :target: https://pip.pypa.io/en/latest
+
+pip is the `package installer`_ for Python. You can use pip to install packages from the `Python Package Index`_ and other indexes.
+
+Please take a look at our documentation for how to install and use pip:
+
+* `Installation`_
+* `Usage`_
+
+Updates are released regularly, with a new version every 3 months. More details can be found in our documentation:
+
+* `Release notes`_
+* `Release process`_
+
+If you find bugs, need help, or want to talk to the developers please use our mailing lists or chat rooms:
+
+* `Issue tracking`_
+* `Discourse channel`_
+* `User IRC`_
+
+If you want to get involved head over to GitHub to get the source code, look at our development documentation and feel free to jump on the developer mailing lists and chat rooms:
+
+* `GitHub page`_
+* `Dev documentation`_
+* `Dev mailing list`_
+* `Dev IRC`_
+
+Code of Conduct
+---------------
+
+Everyone interacting in the pip project's codebases, issue trackers, chat
+rooms, and mailing lists is expected to follow the `PyPA Code of Conduct`_.
+
+.. _package installer: https://packaging.python.org/en/latest/current/
+.. _Python Package Index: https://pypi.org
+.. _Installation: https://pip.pypa.io/en/stable/installing.html
+.. _Usage: https://pip.pypa.io/en/stable/
+.. _Release notes: https://pip.pypa.io/en/stable/news.html
+.. _Release process: https://pip.pypa.io/en/latest/development/release-process/
+.. _GitHub page: https://github.com/pypa/pip
+.. _Dev documentation: https://pip.pypa.io/en/latest/development
+.. _Issue tracking: https://github.com/pypa/pip/issues
+.. _Discourse channel: https://discuss.python.org/c/packaging
+.. _Dev mailing list: https://groups.google.com/forum/#!forum/pypa-dev
+.. _User IRC: https://webchat.freenode.net/?channels=%23pypa
+.. _Dev IRC: https://webchat.freenode.net/?channels=%23pypa-dev
+.. _PyPA Code of Conduct: https://www.pypa.io/en/latest/code-of-conduct/
+
+
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diff --git a/venv/lib/python3.7/site-packages/pip-19.2.3.dist-info/WHEEL b/venv/lib/python3.7/site-packages/pip-19.2.3.dist-info/WHEEL
new file mode 100644
index 0000000..8b701e9
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip-19.2.3.dist-info/WHEEL
@@ -0,0 +1,6 @@
+Wheel-Version: 1.0
+Generator: bdist_wheel (0.33.6)
+Root-Is-Purelib: true
+Tag: py2-none-any
+Tag: py3-none-any
+
diff --git a/venv/lib/python3.7/site-packages/pip-19.2.3.dist-info/entry_points.txt b/venv/lib/python3.7/site-packages/pip-19.2.3.dist-info/entry_points.txt
new file mode 100644
index 0000000..f5809cb
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip-19.2.3.dist-info/entry_points.txt
@@ -0,0 +1,5 @@
+[console_scripts]
+pip = pip._internal:main
+pip3 = pip._internal:main
+pip3.7 = pip._internal:main
+
diff --git a/venv/lib/python3.7/site-packages/pip-19.2.3.dist-info/top_level.txt b/venv/lib/python3.7/site-packages/pip-19.2.3.dist-info/top_level.txt
new file mode 100644
index 0000000..a1b589e
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip-19.2.3.dist-info/top_level.txt
@@ -0,0 +1 @@
+pip
diff --git a/venv/lib/python3.7/site-packages/pip/__init__.py b/venv/lib/python3.7/site-packages/pip/__init__.py
new file mode 100644
index 0000000..0803e00
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/__init__.py
@@ -0,0 +1 @@
+__version__ = "19.2.3"
diff --git a/venv/lib/python3.7/site-packages/pip/__main__.py b/venv/lib/python3.7/site-packages/pip/__main__.py
new file mode 100644
index 0000000..0c223f8
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/__main__.py
@@ -0,0 +1,19 @@
+from __future__ import absolute_import
+
+import os
+import sys
+
+# If we are running from a wheel, add the wheel to sys.path
+# This allows the usage python pip-*.whl/pip install pip-*.whl
+if __package__ == '':
+ # __file__ is pip-*.whl/pip/__main__.py
+ # first dirname call strips of '/__main__.py', second strips off '/pip'
+ # Resulting path is the name of the wheel itself
+ # Add that to sys.path so we can import pip
+ path = os.path.dirname(os.path.dirname(__file__))
+ sys.path.insert(0, path)
+
+from pip._internal import main as _main # isort:skip # noqa
+
+if __name__ == '__main__':
+ sys.exit(_main())
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/__init__.py b/venv/lib/python3.7/site-packages/pip/_internal/__init__.py
new file mode 100644
index 0000000..fbadc28
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/__init__.py
@@ -0,0 +1,77 @@
+#!/usr/bin/env python
+from __future__ import absolute_import
+
+import locale
+import logging
+import os
+import warnings
+
+import sys
+
+# 2016-06-17 barry@xxxxxxxxxx: urllib3 1.14 added optional support for socks,
+# but if invoked (i.e. imported), it will issue a warning to stderr if socks
+# isn't available. requests unconditionally imports urllib3's socks contrib
+# module, triggering this warning. The warning breaks DEP-8 tests (because of
+# the stderr output) and is just plain annoying in normal usage. I don't want
+# to add socks as yet another dependency for pip, nor do I want to allow-stderr
+# in the DEP-8 tests, so just suppress the warning. pdb tells me this has to
+# be done before the import of pip.vcs.
+from pip._vendor.urllib3.exceptions import DependencyWarning
+warnings.filterwarnings("ignore", category=DependencyWarning) # noqa
+
+# We want to inject the use of SecureTransport as early as possible so that any
+# references or sessions or what have you are ensured to have it, however we
+# only want to do this in the case that we're running on macOS and the linked
+# OpenSSL is too old to handle TLSv1.2
+try:
+ import ssl
+except ImportError:
+ pass
+else:
+ # Checks for OpenSSL 1.0.1 on MacOS
+ if sys.platform == "darwin" and ssl.OPENSSL_VERSION_NUMBER < 0x1000100f:
+ try:
+ from pip._vendor.urllib3.contrib import securetransport
+ except (ImportError, OSError):
+ pass
+ else:
+ securetransport.inject_into_urllib3()
+
+from pip._internal.cli.autocompletion import autocomplete
+from pip._internal.cli.main_parser import parse_command
+from pip._internal.commands import commands_dict
+from pip._internal.exceptions import PipError
+from pip._internal.utils import deprecation
+from pip._vendor.urllib3.exceptions import InsecureRequestWarning
+
+logger = logging.getLogger(__name__)
+
+# Hide the InsecureRequestWarning from urllib3
+warnings.filterwarnings("ignore", category=InsecureRequestWarning)
+
+
+def main(args=None):
+ if args is None:
+ args = sys.argv[1:]
+
+ # Configure our deprecation warnings to be sent through loggers
+ deprecation.install_warning_logger()
+
+ autocomplete()
+
+ try:
+ cmd_name, cmd_args = parse_command(args)
+ except PipError as exc:
+ sys.stderr.write("ERROR: %s" % exc)
+ sys.stderr.write(os.linesep)
+ sys.exit(1)
+
+ # Needed for locale.getpreferredencoding(False) to work
+ # in pip._internal.utils.encoding.auto_decode
+ try:
+ locale.setlocale(locale.LC_ALL, '')
+ except locale.Error as e:
+ # setlocale can apparently crash if locale are uninitialized
+ logger.debug("Ignoring error %s when setting locale", e)
+ command = commands_dict[cmd_name](isolated=("--isolated" in cmd_args))
+ return command.main(cmd_args)
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/build_env.py b/venv/lib/python3.7/site-packages/pip/_internal/build_env.py
new file mode 100644
index 0000000..a060cee
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/build_env.py
@@ -0,0 +1,218 @@
+"""Build Environment used for isolation during sdist building
+"""
+
+import logging
+import os
+import sys
+import textwrap
+from collections import OrderedDict
+from distutils.sysconfig import get_python_lib
+from sysconfig import get_paths
+
+from pip._vendor.pkg_resources import Requirement, VersionConflict, WorkingSet
+
+from pip import __file__ as pip_location
+from pip._internal.utils.misc import call_subprocess
+from pip._internal.utils.temp_dir import TempDirectory
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+from pip._internal.utils.ui import open_spinner
+
+if MYPY_CHECK_RUNNING:
+ from typing import Tuple, Set, Iterable, Optional, List
+ from pip._internal.index import PackageFinder
+
+logger = logging.getLogger(__name__)
+
+
+class _Prefix:
+
+ def __init__(self, path):
+ # type: (str) -> None
+ self.path = path
+ self.setup = False
+ self.bin_dir = get_paths(
+ 'nt' if os.name == 'nt' else 'posix_prefix',
+ vars={'base': path, 'platbase': path}
+ )['scripts']
+ # Note: prefer distutils' sysconfig to get the
+ # library paths so PyPy is correctly supported.
+ purelib = get_python_lib(plat_specific=False, prefix=path)
+ platlib = get_python_lib(plat_specific=True, prefix=path)
+ if purelib == platlib:
+ self.lib_dirs = [purelib]
+ else:
+ self.lib_dirs = [purelib, platlib]
+
+
+class BuildEnvironment(object):
+ """Creates and manages an isolated environment to install build deps
+ """
+
+ def __init__(self):
+ # type: () -> None
+ self._temp_dir = TempDirectory(kind="build-env")
+ self._temp_dir.create()
+
+ self._prefixes = OrderedDict((
+ (name, _Prefix(os.path.join(self._temp_dir.path, name)))
+ for name in ('normal', 'overlay')
+ ))
+
+ self._bin_dirs = [] # type: List[str]
+ self._lib_dirs = [] # type: List[str]
+ for prefix in reversed(list(self._prefixes.values())):
+ self._bin_dirs.append(prefix.bin_dir)
+ self._lib_dirs.extend(prefix.lib_dirs)
+
+ # Customize site to:
+ # - ensure .pth files are honored
+ # - prevent access to system site packages
+ system_sites = {
+ os.path.normcase(site) for site in (
+ get_python_lib(plat_specific=False),
+ get_python_lib(plat_specific=True),
+ )
+ }
+ self._site_dir = os.path.join(self._temp_dir.path, 'site')
+ if not os.path.exists(self._site_dir):
+ os.mkdir(self._site_dir)
+ with open(os.path.join(self._site_dir, 'sitecustomize.py'), 'w') as fp:
+ fp.write(textwrap.dedent(
+ '''
+ import os, site, sys
+
+ # First, drop system-sites related paths.
+ original_sys_path = sys.path[:]
+ known_paths = set()
+ for path in {system_sites!r}:
+ site.addsitedir(path, known_paths=known_paths)
+ system_paths = set(
+ os.path.normcase(path)
+ for path in sys.path[len(original_sys_path):]
+ )
+ original_sys_path = [
+ path for path in original_sys_path
+ if os.path.normcase(path) not in system_paths
+ ]
+ sys.path = original_sys_path
+
+ # Second, add lib directories.
+ # ensuring .pth file are processed.
+ for path in {lib_dirs!r}:
+ assert not path in sys.path
+ site.addsitedir(path)
+ '''
+ ).format(system_sites=system_sites, lib_dirs=self._lib_dirs))
+
+ def __enter__(self):
+ self._save_env = {
+ name: os.environ.get(name, None)
+ for name in ('PATH', 'PYTHONNOUSERSITE', 'PYTHONPATH')
+ }
+
+ path = self._bin_dirs[:]
+ old_path = self._save_env['PATH']
+ if old_path:
+ path.extend(old_path.split(os.pathsep))
+
+ pythonpath = [self._site_dir]
+
+ os.environ.update({
+ 'PATH': os.pathsep.join(path),
+ 'PYTHONNOUSERSITE': '1',
+ 'PYTHONPATH': os.pathsep.join(pythonpath),
+ })
+
+ def __exit__(self, exc_type, exc_val, exc_tb):
+ for varname, old_value in self._save_env.items():
+ if old_value is None:
+ os.environ.pop(varname, None)
+ else:
+ os.environ[varname] = old_value
+
+ def cleanup(self):
+ # type: () -> None
+ self._temp_dir.cleanup()
+
+ def check_requirements(self, reqs):
+ # type: (Iterable[str]) -> Tuple[Set[Tuple[str, str]], Set[str]]
+ """Return 2 sets:
+ - conflicting requirements: set of (installed, wanted) reqs tuples
+ - missing requirements: set of reqs
+ """
+ missing = set()
+ conflicting = set()
+ if reqs:
+ ws = WorkingSet(self._lib_dirs)
+ for req in reqs:
+ try:
+ if ws.find(Requirement.parse(req)) is None:
+ missing.add(req)
+ except VersionConflict as e:
+ conflicting.add((str(e.args[0].as_requirement()),
+ str(e.args[1])))
+ return conflicting, missing
+
+ def install_requirements(
+ self,
+ finder, # type: PackageFinder
+ requirements, # type: Iterable[str]
+ prefix_as_string, # type: str
+ message # type: Optional[str]
+ ):
+ # type: (...) -> None
+ prefix = self._prefixes[prefix_as_string]
+ assert not prefix.setup
+ prefix.setup = True
+ if not requirements:
+ return
+ args = [
+ sys.executable, os.path.dirname(pip_location), 'install',
+ '--ignore-installed', '--no-user', '--prefix', prefix.path,
+ '--no-warn-script-location',
+ ] # type: List[str]
+ if logger.getEffectiveLevel() <= logging.DEBUG:
+ args.append('-v')
+ for format_control in ('no_binary', 'only_binary'):
+ formats = getattr(finder.format_control, format_control)
+ args.extend(('--' + format_control.replace('_', '-'),
+ ','.join(sorted(formats or {':none:'}))))
+
+ index_urls = finder.index_urls
+ if index_urls:
+ args.extend(['-i', index_urls[0]])
+ for extra_index in index_urls[1:]:
+ args.extend(['--extra-index-url', extra_index])
+ else:
+ args.append('--no-index')
+ for link in finder.find_links:
+ args.extend(['--find-links', link])
+
+ for host in finder.trusted_hosts:
+ args.extend(['--trusted-host', host])
+ if finder.allow_all_prereleases:
+ args.append('--pre')
+ args.append('--')
+ args.extend(requirements)
+ with open_spinner(message) as spinner:
+ call_subprocess(args, spinner=spinner)
+
+
+class NoOpBuildEnvironment(BuildEnvironment):
+ """A no-op drop-in replacement for BuildEnvironment
+ """
+
+ def __init__(self):
+ pass
+
+ def __enter__(self):
+ pass
+
+ def __exit__(self, exc_type, exc_val, exc_tb):
+ pass
+
+ def cleanup(self):
+ pass
+
+ def install_requirements(self, finder, requirements, prefix, message):
+ raise NotImplementedError()
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/cache.py b/venv/lib/python3.7/site-packages/pip/_internal/cache.py
new file mode 100644
index 0000000..894624c
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/cache.py
@@ -0,0 +1,224 @@
+"""Cache Management
+"""
+
+import errno
+import hashlib
+import logging
+import os
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.models.link import Link
+from pip._internal.utils.compat import expanduser
+from pip._internal.utils.misc import path_to_url
+from pip._internal.utils.temp_dir import TempDirectory
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+from pip._internal.wheel import InvalidWheelFilename, Wheel
+
+if MYPY_CHECK_RUNNING:
+ from typing import Optional, Set, List, Any
+ from pip._internal.index import FormatControl
+
+logger = logging.getLogger(__name__)
+
+
+class Cache(object):
+ """An abstract class - provides cache directories for data from links
+
+
+ :param cache_dir: The root of the cache.
+ :param format_control: An object of FormatControl class to limit
+ binaries being read from the cache.
+ :param allowed_formats: which formats of files the cache should store.
+ ('binary' and 'source' are the only allowed values)
+ """
+
+ def __init__(self, cache_dir, format_control, allowed_formats):
+ # type: (str, FormatControl, Set[str]) -> None
+ super(Cache, self).__init__()
+ self.cache_dir = expanduser(cache_dir) if cache_dir else None
+ self.format_control = format_control
+ self.allowed_formats = allowed_formats
+
+ _valid_formats = {"source", "binary"}
+ assert self.allowed_formats.union(_valid_formats) == _valid_formats
+
+ def _get_cache_path_parts(self, link):
+ # type: (Link) -> List[str]
+ """Get parts of part that must be os.path.joined with cache_dir
+ """
+
+ # We want to generate an url to use as our cache key, we don't want to
+ # just re-use the URL because it might have other items in the fragment
+ # and we don't care about those.
+ key_parts = [link.url_without_fragment]
+ if link.hash_name is not None and link.hash is not None:
+ key_parts.append("=".join([link.hash_name, link.hash]))
+ key_url = "#".join(key_parts)
+
+ # Encode our key url with sha224, we'll use this because it has similar
+ # security properties to sha256, but with a shorter total output (and
+ # thus less secure). However the differences don't make a lot of
+ # difference for our use case here.
+ hashed = hashlib.sha224(key_url.encode()).hexdigest()
+
+ # We want to nest the directories some to prevent having a ton of top
+ # level directories where we might run out of sub directories on some
+ # FS.
+ parts = [hashed[:2], hashed[2:4], hashed[4:6], hashed[6:]]
+
+ return parts
+
+ def _get_candidates(self, link, package_name):
+ # type: (Link, Optional[str]) -> List[Any]
+ can_not_cache = (
+ not self.cache_dir or
+ not package_name or
+ not link
+ )
+ if can_not_cache:
+ return []
+
+ canonical_name = canonicalize_name(package_name)
+ formats = self.format_control.get_allowed_formats(
+ canonical_name
+ )
+ if not self.allowed_formats.intersection(formats):
+ return []
+
+ root = self.get_path_for_link(link)
+ try:
+ return os.listdir(root)
+ except OSError as err:
+ if err.errno in {errno.ENOENT, errno.ENOTDIR}:
+ return []
+ raise
+
+ def get_path_for_link(self, link):
+ # type: (Link) -> str
+ """Return a directory to store cached items in for link.
+ """
+ raise NotImplementedError()
+
+ def get(self, link, package_name):
+ # type: (Link, Optional[str]) -> Link
+ """Returns a link to a cached item if it exists, otherwise returns the
+ passed link.
+ """
+ raise NotImplementedError()
+
+ def _link_for_candidate(self, link, candidate):
+ # type: (Link, str) -> Link
+ root = self.get_path_for_link(link)
+ path = os.path.join(root, candidate)
+
+ return Link(path_to_url(path))
+
+ def cleanup(self):
+ # type: () -> None
+ pass
+
+
+class SimpleWheelCache(Cache):
+ """A cache of wheels for future installs.
+ """
+
+ def __init__(self, cache_dir, format_control):
+ # type: (str, FormatControl) -> None
+ super(SimpleWheelCache, self).__init__(
+ cache_dir, format_control, {"binary"}
+ )
+
+ def get_path_for_link(self, link):
+ # type: (Link) -> str
+ """Return a directory to store cached wheels for link
+
+ Because there are M wheels for any one sdist, we provide a directory
+ to cache them in, and then consult that directory when looking up
+ cache hits.
+
+ We only insert things into the cache if they have plausible version
+ numbers, so that we don't contaminate the cache with things that were
+ not unique. E.g. ./package might have dozens of installs done for it
+ and build a version of 0.0...and if we built and cached a wheel, we'd
+ end up using the same wheel even if the source has been edited.
+
+ :param link: The link of the sdist for which this will cache wheels.
+ """
+ parts = self._get_cache_path_parts(link)
+
+ # Store wheels within the root cache_dir
+ return os.path.join(self.cache_dir, "wheels", *parts)
+
+ def get(self, link, package_name):
+ # type: (Link, Optional[str]) -> Link
+ candidates = []
+
+ for wheel_name in self._get_candidates(link, package_name):
+ try:
+ wheel = Wheel(wheel_name)
+ except InvalidWheelFilename:
+ continue
+ if not wheel.supported():
+ # Built for a different python/arch/etc
+ continue
+ candidates.append((wheel.support_index_min(), wheel_name))
+
+ if not candidates:
+ return link
+
+ return self._link_for_candidate(link, min(candidates)[1])
+
+
+class EphemWheelCache(SimpleWheelCache):
+ """A SimpleWheelCache that creates it's own temporary cache directory
+ """
+
+ def __init__(self, format_control):
+ # type: (FormatControl) -> None
+ self._temp_dir = TempDirectory(kind="ephem-wheel-cache")
+ self._temp_dir.create()
+
+ super(EphemWheelCache, self).__init__(
+ self._temp_dir.path, format_control
+ )
+
+ def cleanup(self):
+ # type: () -> None
+ self._temp_dir.cleanup()
+
+
+class WheelCache(Cache):
+ """Wraps EphemWheelCache and SimpleWheelCache into a single Cache
+
+ This Cache allows for gracefully degradation, using the ephem wheel cache
+ when a certain link is not found in the simple wheel cache first.
+ """
+
+ def __init__(self, cache_dir, format_control):
+ # type: (str, FormatControl) -> None
+ super(WheelCache, self).__init__(
+ cache_dir, format_control, {'binary'}
+ )
+ self._wheel_cache = SimpleWheelCache(cache_dir, format_control)
+ self._ephem_cache = EphemWheelCache(format_control)
+
+ def get_path_for_link(self, link):
+ # type: (Link) -> str
+ return self._wheel_cache.get_path_for_link(link)
+
+ def get_ephem_path_for_link(self, link):
+ # type: (Link) -> str
+ return self._ephem_cache.get_path_for_link(link)
+
+ def get(self, link, package_name):
+ # type: (Link, Optional[str]) -> Link
+ retval = self._wheel_cache.get(link, package_name)
+ if retval is link:
+ retval = self._ephem_cache.get(link, package_name)
+ return retval
+
+ def cleanup(self):
+ # type: () -> None
+ self._wheel_cache.cleanup()
+ self._ephem_cache.cleanup()
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/cli/__init__.py b/venv/lib/python3.7/site-packages/pip/_internal/cli/__init__.py
new file mode 100644
index 0000000..e589bb9
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/cli/__init__.py
@@ -0,0 +1,4 @@
+"""Subpackage containing all of pip's command line interface related code
+"""
+
+# This file intentionally does not import submodules
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/cli/autocompletion.py b/venv/lib/python3.7/site-packages/pip/_internal/cli/autocompletion.py
new file mode 100644
index 0000000..0a04199
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/cli/autocompletion.py
@@ -0,0 +1,152 @@
+"""Logic that powers autocompletion installed by ``pip completion``.
+"""
+
+import optparse
+import os
+import sys
+
+from pip._internal.cli.main_parser import create_main_parser
+from pip._internal.commands import commands_dict, get_summaries
+from pip._internal.utils.misc import get_installed_distributions
+
+
+def autocomplete():
+ """Entry Point for completion of main and subcommand options.
+ """
+ # Don't complete if user hasn't sourced bash_completion file.
+ if 'PIP_AUTO_COMPLETE' not in os.environ:
+ return
+ cwords = os.environ['COMP_WORDS'].split()[1:]
+ cword = int(os.environ['COMP_CWORD'])
+ try:
+ current = cwords[cword - 1]
+ except IndexError:
+ current = ''
+
+ subcommands = [cmd for cmd, summary in get_summaries()]
+ options = []
+ # subcommand
+ try:
+ subcommand_name = [w for w in cwords if w in subcommands][0]
+ except IndexError:
+ subcommand_name = None
+
+ parser = create_main_parser()
+ # subcommand options
+ if subcommand_name:
+ # special case: 'help' subcommand has no options
+ if subcommand_name == 'help':
+ sys.exit(1)
+ # special case: list locally installed dists for show and uninstall
+ should_list_installed = (
+ subcommand_name in ['show', 'uninstall'] and
+ not current.startswith('-')
+ )
+ if should_list_installed:
+ installed = []
+ lc = current.lower()
+ for dist in get_installed_distributions(local_only=True):
+ if dist.key.startswith(lc) and dist.key not in cwords[1:]:
+ installed.append(dist.key)
+ # if there are no dists installed, fall back to option completion
+ if installed:
+ for dist in installed:
+ print(dist)
+ sys.exit(1)
+
+ subcommand = commands_dict[subcommand_name]()
+
+ for opt in subcommand.parser.option_list_all:
+ if opt.help != optparse.SUPPRESS_HELP:
+ for opt_str in opt._long_opts + opt._short_opts:
+ options.append((opt_str, opt.nargs))
+
+ # filter out previously specified options from available options
+ prev_opts = [x.split('=')[0] for x in cwords[1:cword - 1]]
+ options = [(x, v) for (x, v) in options if x not in prev_opts]
+ # filter options by current input
+ options = [(k, v) for k, v in options if k.startswith(current)]
+ # get completion type given cwords and available subcommand options
+ completion_type = get_path_completion_type(
+ cwords, cword, subcommand.parser.option_list_all,
+ )
+ # get completion files and directories if ``completion_type`` is
+ # ``<file>``, ``<dir>`` or ``<path>``
+ if completion_type:
+ options = auto_complete_paths(current, completion_type)
+ options = ((opt, 0) for opt in options)
+ for option in options:
+ opt_label = option[0]
+ # append '=' to options which require args
+ if option[1] and option[0][:2] == "--":
+ opt_label += '='
+ print(opt_label)
+ else:
+ # show main parser options only when necessary
+
+ opts = [i.option_list for i in parser.option_groups]
+ opts.append(parser.option_list)
+ opts = (o for it in opts for o in it)
+ if current.startswith('-'):
+ for opt in opts:
+ if opt.help != optparse.SUPPRESS_HELP:
+ subcommands += opt._long_opts + opt._short_opts
+ else:
+ # get completion type given cwords and all available options
+ completion_type = get_path_completion_type(cwords, cword, opts)
+ if completion_type:
+ subcommands = auto_complete_paths(current, completion_type)
+
+ print(' '.join([x for x in subcommands if x.startswith(current)]))
+ sys.exit(1)
+
+
+def get_path_completion_type(cwords, cword, opts):
+ """Get the type of path completion (``file``, ``dir``, ``path`` or None)
+
+ :param cwords: same as the environmental variable ``COMP_WORDS``
+ :param cword: same as the environmental variable ``COMP_CWORD``
+ :param opts: The available options to check
+ :return: path completion type (``file``, ``dir``, ``path`` or None)
+ """
+ if cword < 2 or not cwords[cword - 2].startswith('-'):
+ return
+ for opt in opts:
+ if opt.help == optparse.SUPPRESS_HELP:
+ continue
+ for o in str(opt).split('/'):
+ if cwords[cword - 2].split('=')[0] == o:
+ if not opt.metavar or any(
+ x in ('path', 'file', 'dir')
+ for x in opt.metavar.split('/')):
+ return opt.metavar
+
+
+def auto_complete_paths(current, completion_type):
+ """If ``completion_type`` is ``file`` or ``path``, list all regular files
+ and directories starting with ``current``; otherwise only list directories
+ starting with ``current``.
+
+ :param current: The word to be completed
+ :param completion_type: path completion type(`file`, `path` or `dir`)i
+ :return: A generator of regular files and/or directories
+ """
+ directory, filename = os.path.split(current)
+ current_path = os.path.abspath(directory)
+ # Don't complete paths if they can't be accessed
+ if not os.access(current_path, os.R_OK):
+ return
+ filename = os.path.normcase(filename)
+ # list all files that start with ``filename``
+ file_list = (x for x in os.listdir(current_path)
+ if os.path.normcase(x).startswith(filename))
+ for f in file_list:
+ opt = os.path.join(current_path, f)
+ comp_file = os.path.normcase(os.path.join(directory, f))
+ # complete regular files when there is not ``<dir>`` after option
+ # complete directories when there is ``<file>``, ``<path>`` or
+ # ``<dir>``after option
+ if completion_type != 'dir' and os.path.isfile(opt):
+ yield comp_file
+ elif os.path.isdir(opt):
+ yield os.path.join(comp_file, '')
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/cli/base_command.py b/venv/lib/python3.7/site-packages/pip/_internal/cli/base_command.py
new file mode 100644
index 0000000..90830be
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/cli/base_command.py
@@ -0,0 +1,346 @@
+"""Base Command class, and related routines"""
+from __future__ import absolute_import, print_function
+
+import logging
+import logging.config
+import optparse
+import os
+import platform
+import sys
+import traceback
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.cmdoptions import make_search_scope
+from pip._internal.cli.parser import (
+ ConfigOptionParser, UpdatingDefaultsHelpFormatter,
+)
+from pip._internal.cli.status_codes import (
+ ERROR, PREVIOUS_BUILD_DIR_ERROR, SUCCESS, UNKNOWN_ERROR,
+ VIRTUALENV_NOT_FOUND,
+)
+from pip._internal.download import PipSession
+from pip._internal.exceptions import (
+ BadCommand, CommandError, InstallationError, PreviousBuildDirError,
+ UninstallationError,
+)
+from pip._internal.index import PackageFinder
+from pip._internal.models.selection_prefs import SelectionPreferences
+from pip._internal.models.target_python import TargetPython
+from pip._internal.req.constructors import (
+ install_req_from_editable, install_req_from_line,
+)
+from pip._internal.req.req_file import parse_requirements
+from pip._internal.utils.deprecation import deprecated
+from pip._internal.utils.logging import BrokenStdoutLoggingError, setup_logging
+from pip._internal.utils.misc import get_prog, normalize_path
+from pip._internal.utils.outdated import pip_version_check
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+if MYPY_CHECK_RUNNING:
+ from typing import Optional, List, Tuple, Any
+ from optparse import Values
+ from pip._internal.cache import WheelCache
+ from pip._internal.req.req_set import RequirementSet
+
+__all__ = ['Command']
+
+logger = logging.getLogger(__name__)
+
+
+class Command(object):
+ name = None # type: Optional[str]
+ usage = None # type: Optional[str]
+ ignore_require_venv = False # type: bool
+
+ def __init__(self, isolated=False):
+ # type: (bool) -> None
+ parser_kw = {
+ 'usage': self.usage,
+ 'prog': '%s %s' % (get_prog(), self.name),
+ 'formatter': UpdatingDefaultsHelpFormatter(),
+ 'add_help_option': False,
+ 'name': self.name,
+ 'description': self.__doc__,
+ 'isolated': isolated,
+ }
+
+ self.parser = ConfigOptionParser(**parser_kw)
+
+ # Commands should add options to this option group
+ optgroup_name = '%s Options' % self.name.capitalize()
+ self.cmd_opts = optparse.OptionGroup(self.parser, optgroup_name)
+
+ # Add the general options
+ gen_opts = cmdoptions.make_option_group(
+ cmdoptions.general_group,
+ self.parser,
+ )
+ self.parser.add_option_group(gen_opts)
+
+ def run(self, options, args):
+ # type: (Values, List[Any]) -> Any
+ raise NotImplementedError
+
+ @classmethod
+ def _get_index_urls(cls, options):
+ """Return a list of index urls from user-provided options."""
+ index_urls = []
+ if not getattr(options, "no_index", False):
+ url = getattr(options, "index_url", None)
+ if url:
+ index_urls.append(url)
+ urls = getattr(options, "extra_index_urls", None)
+ if urls:
+ index_urls.extend(urls)
+ # Return None rather than an empty list
+ return index_urls or None
+
+ def _build_session(self, options, retries=None, timeout=None):
+ # type: (Values, Optional[int], Optional[int]) -> PipSession
+ session = PipSession(
+ cache=(
+ normalize_path(os.path.join(options.cache_dir, "http"))
+ if options.cache_dir else None
+ ),
+ retries=retries if retries is not None else options.retries,
+ insecure_hosts=options.trusted_hosts,
+ index_urls=self._get_index_urls(options),
+ )
+
+ # Handle custom ca-bundles from the user
+ if options.cert:
+ session.verify = options.cert
+
+ # Handle SSL client certificate
+ if options.client_cert:
+ session.cert = options.client_cert
+
+ # Handle timeouts
+ if options.timeout or timeout:
+ session.timeout = (
+ timeout if timeout is not None else options.timeout
+ )
+
+ # Handle configured proxies
+ if options.proxy:
+ session.proxies = {
+ "http": options.proxy,
+ "https": options.proxy,
+ }
+
+ # Determine if we can prompt the user for authentication or not
+ session.auth.prompting = not options.no_input
+
+ return session
+
+ def parse_args(self, args):
+ # type: (List[str]) -> Tuple
+ # factored out for testability
+ return self.parser.parse_args(args)
+
+ def main(self, args):
+ # type: (List[str]) -> int
+ options, args = self.parse_args(args)
+
+ # Set verbosity so that it can be used elsewhere.
+ self.verbosity = options.verbose - options.quiet
+
+ level_number = setup_logging(
+ verbosity=self.verbosity,
+ no_color=options.no_color,
+ user_log_file=options.log,
+ )
+
+ if sys.version_info[:2] == (2, 7):
+ message = (
+ "A future version of pip will drop support for Python 2.7. "
+ "More details about Python 2 support in pip, can be found at "
+ "https://pip.pypa.io/en/latest/development/release-process/#python-2-support"; # noqa
+ )
+ if platform.python_implementation() == "CPython":
+ message = (
+ "Python 2.7 will reach the end of its life on January "
+ "1st, 2020. Please upgrade your Python as Python 2.7 "
+ "won't be maintained after that date. "
+ ) + message
+ deprecated(message, replacement=None, gone_in=None)
+
+ # TODO: Try to get these passing down from the command?
+ # without resorting to os.environ to hold these.
+ # This also affects isolated builds and it should.
+
+ if options.no_input:
+ os.environ['PIP_NO_INPUT'] = '1'
+
+ if options.exists_action:
+ os.environ['PIP_EXISTS_ACTION'] = ' '.join(options.exists_action)
+
+ if options.require_venv and not self.ignore_require_venv:
+ # If a venv is required check if it can really be found
+ if not running_under_virtualenv():
+ logger.critical(
+ 'Could not find an activated virtualenv (required).'
+ )
+ sys.exit(VIRTUALENV_NOT_FOUND)
+
+ try:
+ status = self.run(options, args)
+ # FIXME: all commands should return an exit status
+ # and when it is done, isinstance is not needed anymore
+ if isinstance(status, int):
+ return status
+ except PreviousBuildDirError as exc:
+ logger.critical(str(exc))
+ logger.debug('Exception information:', exc_info=True)
+
+ return PREVIOUS_BUILD_DIR_ERROR
+ except (InstallationError, UninstallationError, BadCommand) as exc:
+ logger.critical(str(exc))
+ logger.debug('Exception information:', exc_info=True)
+
+ return ERROR
+ except CommandError as exc:
+ logger.critical('%s', exc)
+ logger.debug('Exception information:', exc_info=True)
+
+ return ERROR
+ except BrokenStdoutLoggingError:
+ # Bypass our logger and write any remaining messages to stderr
+ # because stdout no longer works.
+ print('ERROR: Pipe to stdout was broken', file=sys.stderr)
+ if level_number <= logging.DEBUG:
+ traceback.print_exc(file=sys.stderr)
+
+ return ERROR
+ except KeyboardInterrupt:
+ logger.critical('Operation cancelled by user')
+ logger.debug('Exception information:', exc_info=True)
+
+ return ERROR
+ except BaseException:
+ logger.critical('Exception:', exc_info=True)
+
+ return UNKNOWN_ERROR
+ finally:
+ allow_version_check = (
+ # Does this command have the index_group options?
+ hasattr(options, "no_index") and
+ # Is this command allowed to perform this check?
+ not (options.disable_pip_version_check or options.no_index)
+ )
+ # Check if we're using the latest version of pip available
+ if allow_version_check:
+ session = self._build_session(
+ options,
+ retries=0,
+ timeout=min(5, options.timeout)
+ )
+ with session:
+ pip_version_check(session, options)
+
+ # Shutdown the logging module
+ logging.shutdown()
+
+ return SUCCESS
+
+
+class RequirementCommand(Command):
+
+ @staticmethod
+ def populate_requirement_set(requirement_set, # type: RequirementSet
+ args, # type: List[str]
+ options, # type: Values
+ finder, # type: PackageFinder
+ session, # type: PipSession
+ name, # type: str
+ wheel_cache # type: Optional[WheelCache]
+ ):
+ # type: (...) -> None
+ """
+ Marshal cmd line args into a requirement set.
+ """
+ # NOTE: As a side-effect, options.require_hashes and
+ # requirement_set.require_hashes may be updated
+
+ for filename in options.constraints:
+ for req_to_add in parse_requirements(
+ filename,
+ constraint=True, finder=finder, options=options,
+ session=session, wheel_cache=wheel_cache):
+ req_to_add.is_direct = True
+ requirement_set.add_requirement(req_to_add)
+
+ for req in args:
+ req_to_add = install_req_from_line(
+ req, None, isolated=options.isolated_mode,
+ use_pep517=options.use_pep517,
+ wheel_cache=wheel_cache
+ )
+ req_to_add.is_direct = True
+ requirement_set.add_requirement(req_to_add)
+
+ for req in options.editables:
+ req_to_add = install_req_from_editable(
+ req,
+ isolated=options.isolated_mode,
+ use_pep517=options.use_pep517,
+ wheel_cache=wheel_cache
+ )
+ req_to_add.is_direct = True
+ requirement_set.add_requirement(req_to_add)
+
+ for filename in options.requirements:
+ for req_to_add in parse_requirements(
+ filename,
+ finder=finder, options=options, session=session,
+ wheel_cache=wheel_cache,
+ use_pep517=options.use_pep517):
+ req_to_add.is_direct = True
+ requirement_set.add_requirement(req_to_add)
+ # If --require-hashes was a line in a requirements file, tell
+ # RequirementSet about it:
+ requirement_set.require_hashes = options.require_hashes
+
+ if not (args or options.editables or options.requirements):
+ opts = {'name': name}
+ if options.find_links:
+ raise CommandError(
+ 'You must give at least one requirement to %(name)s '
+ '(maybe you meant "pip %(name)s %(links)s"?)' %
+ dict(opts, links=' '.join(options.find_links)))
+ else:
+ raise CommandError(
+ 'You must give at least one requirement to %(name)s '
+ '(see "pip help %(name)s")' % opts)
+
+ def _build_package_finder(
+ self,
+ options, # type: Values
+ session, # type: PipSession
+ target_python=None, # type: Optional[TargetPython]
+ ignore_requires_python=None, # type: Optional[bool]
+ ):
+ # type: (...) -> PackageFinder
+ """
+ Create a package finder appropriate to this requirement command.
+
+ :param ignore_requires_python: Whether to ignore incompatible
+ "Requires-Python" values in links. Defaults to False.
+ """
+ search_scope = make_search_scope(options)
+ selection_prefs = SelectionPreferences(
+ allow_yanked=True,
+ format_control=options.format_control,
+ allow_all_prereleases=options.pre,
+ prefer_binary=options.prefer_binary,
+ ignore_requires_python=ignore_requires_python,
+ )
+
+ return PackageFinder.create(
+ search_scope=search_scope,
+ selection_prefs=selection_prefs,
+ trusted_hosts=options.trusted_hosts,
+ session=session,
+ target_python=target_python,
+ )
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/cli/cmdoptions.py b/venv/lib/python3.7/site-packages/pip/_internal/cli/cmdoptions.py
new file mode 100644
index 0000000..c5c6c22
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/cli/cmdoptions.py
@@ -0,0 +1,931 @@
+"""
+shared options and groups
+
+The principle here is to define options once, but *not* instantiate them
+globally. One reason being that options with action='append' can carry state
+between parses. pip parses general options twice internally, and shouldn't
+pass on state. To be consistent, all options will follow this design.
+
+"""
+from __future__ import absolute_import
+
+import logging
+import textwrap
+import warnings
+from distutils.util import strtobool
+from functools import partial
+from optparse import SUPPRESS_HELP, Option, OptionGroup
+from textwrap import dedent
+
+from pip._internal.exceptions import CommandError
+from pip._internal.locations import USER_CACHE_DIR, get_src_prefix
+from pip._internal.models.format_control import FormatControl
+from pip._internal.models.index import PyPI
+from pip._internal.models.search_scope import SearchScope
+from pip._internal.models.target_python import TargetPython
+from pip._internal.utils.hashes import STRONG_HASHES
+from pip._internal.utils.misc import redact_password_from_url
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+from pip._internal.utils.ui import BAR_TYPES
+
+if MYPY_CHECK_RUNNING:
+ from typing import Any, Callable, Dict, Optional, Tuple
+ from optparse import OptionParser, Values
+ from pip._internal.cli.parser import ConfigOptionParser
+
+logger = logging.getLogger(__name__)
+
+
+def raise_option_error(parser, option, msg):
+ """
+ Raise an option parsing error using parser.error().
+
+ Args:
+ parser: an OptionParser instance.
+ option: an Option instance.
+ msg: the error text.
+ """
+ msg = '{} error: {}'.format(option, msg)
+ msg = textwrap.fill(' '.join(msg.split()))
+ parser.error(msg)
+
+
+def make_option_group(group, parser):
+ # type: (Dict[str, Any], ConfigOptionParser) -> OptionGroup
+ """
+ Return an OptionGroup object
+ group -- assumed to be dict with 'name' and 'options' keys
+ parser -- an optparse Parser
+ """
+ option_group = OptionGroup(parser, group['name'])
+ for option in group['options']:
+ option_group.add_option(option())
+ return option_group
+
+
+def check_install_build_global(options, check_options=None):
+ # type: (Values, Optional[Values]) -> None
+ """Disable wheels if per-setup.py call options are set.
+
+ :param options: The OptionParser options to update.
+ :param check_options: The options to check, if not supplied defaults to
+ options.
+ """
+ if check_options is None:
+ check_options = options
+
+ def getname(n):
+ return getattr(check_options, n, None)
+ names = ["build_options", "global_options", "install_options"]
+ if any(map(getname, names)):
+ control = options.format_control
+ control.disallow_binaries()
+ warnings.warn(
+ 'Disabling all use of wheels due to the use of --build-options '
+ '/ --global-options / --install-options.', stacklevel=2,
+ )
+
+
+def check_dist_restriction(options, check_target=False):
+ # type: (Values, bool) -> None
+ """Function for determining if custom platform options are allowed.
+
+ :param options: The OptionParser options.
+ :param check_target: Whether or not to check if --target is being used.
+ """
+ dist_restriction_set = any([
+ options.python_version,
+ options.platform,
+ options.abi,
+ options.implementation,
+ ])
+
+ binary_only = FormatControl(set(), {':all:'})
+ sdist_dependencies_allowed = (
+ options.format_control != binary_only and
+ not options.ignore_dependencies
+ )
+
+ # Installations or downloads using dist restrictions must not combine
+ # source distributions and dist-specific wheels, as they are not
+ # guaranteed to be locally compatible.
+ if dist_restriction_set and sdist_dependencies_allowed:
+ raise CommandError(
+ "When restricting platform and interpreter constraints using "
+ "--python-version, --platform, --abi, or --implementation, "
+ "either --no-deps must be set, or --only-binary=:all: must be "
+ "set and --no-binary must not be set (or must be set to "
+ ":none:)."
+ )
+
+ if check_target:
+ if dist_restriction_set and not options.target_dir:
+ raise CommandError(
+ "Can not use any platform or abi specific options unless "
+ "installing via '--target'"
+ )
+
+
+###########
+# options #
+###########
+
+help_ = partial(
+ Option,
+ '-h', '--help',
+ dest='help',
+ action='help',
+ help='Show help.',
+) # type: Callable[..., Option]
+
+isolated_mode = partial(
+ Option,
+ "--isolated",
+ dest="isolated_mode",
+ action="store_true",
+ default=False,
+ help=(
+ "Run pip in an isolated mode, ignoring environment variables and user "
+ "configuration."
+ ),
+) # type: Callable[..., Option]
+
+require_virtualenv = partial(
+ Option,
+ # Run only if inside a virtualenv, bail if not.
+ '--require-virtualenv', '--require-venv',
+ dest='require_venv',
+ action='store_true',
+ default=False,
+ help=SUPPRESS_HELP
+) # type: Callable[..., Option]
+
+verbose = partial(
+ Option,
+ '-v', '--verbose',
+ dest='verbose',
+ action='count',
+ default=0,
+ help='Give more output. Option is additive, and can be used up to 3 times.'
+) # type: Callable[..., Option]
+
+no_color = partial(
+ Option,
+ '--no-color',
+ dest='no_color',
+ action='store_true',
+ default=False,
+ help="Suppress colored output",
+) # type: Callable[..., Option]
+
+version = partial(
+ Option,
+ '-V', '--version',
+ dest='version',
+ action='store_true',
+ help='Show version and exit.',
+) # type: Callable[..., Option]
+
+quiet = partial(
+ Option,
+ '-q', '--quiet',
+ dest='quiet',
+ action='count',
+ default=0,
+ help=(
+ 'Give less output. Option is additive, and can be used up to 3'
+ ' times (corresponding to WARNING, ERROR, and CRITICAL logging'
+ ' levels).'
+ ),
+) # type: Callable[..., Option]
+
+progress_bar = partial(
+ Option,
+ '--progress-bar',
+ dest='progress_bar',
+ type='choice',
+ choices=list(BAR_TYPES.keys()),
+ default='on',
+ help=(
+ 'Specify type of progress to be displayed [' +
+ '|'.join(BAR_TYPES.keys()) + '] (default: %default)'
+ ),
+) # type: Callable[..., Option]
+
+log = partial(
+ Option,
+ "--log", "--log-file", "--local-log",
+ dest="log",
+ metavar="path",
+ help="Path to a verbose appending log."
+) # type: Callable[..., Option]
+
+no_input = partial(
+ Option,
+ # Don't ask for input
+ '--no-input',
+ dest='no_input',
+ action='store_true',
+ default=False,
+ help=SUPPRESS_HELP
+) # type: Callable[..., Option]
+
+proxy = partial(
+ Option,
+ '--proxy',
+ dest='proxy',
+ type='str',
+ default='',
+ help="Specify a proxy in the form [user:passwd@]proxy.server:port."
+) # type: Callable[..., Option]
+
+retries = partial(
+ Option,
+ '--retries',
+ dest='retries',
+ type='int',
+ default=5,
+ help="Maximum number of retries each connection should attempt "
+ "(default %default times).",
+) # type: Callable[..., Option]
+
+timeout = partial(
+ Option,
+ '--timeout', '--default-timeout',
+ metavar='sec',
+ dest='timeout',
+ type='float',
+ default=15,
+ help='Set the socket timeout (default %default seconds).',
+) # type: Callable[..., Option]
+
+skip_requirements_regex = partial(
+ Option,
+ # A regex to be used to skip requirements
+ '--skip-requirements-regex',
+ dest='skip_requirements_regex',
+ type='str',
+ default='',
+ help=SUPPRESS_HELP,
+) # type: Callable[..., Option]
+
+
+def exists_action():
+ # type: () -> Option
+ return Option(
+ # Option when path already exist
+ '--exists-action',
+ dest='exists_action',
+ type='choice',
+ choices=['s', 'i', 'w', 'b', 'a'],
+ default=[],
+ action='append',
+ metavar='action',
+ help="Default action when a path already exists: "
+ "(s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort.",
+ )
+
+
+cert = partial(
+ Option,
+ '--cert',
+ dest='cert',
+ type='str',
+ metavar='path',
+ help="Path to alternate CA bundle.",
+) # type: Callable[..., Option]
+
+client_cert = partial(
+ Option,
+ '--client-cert',
+ dest='client_cert',
+ type='str',
+ default=None,
+ metavar='path',
+ help="Path to SSL client certificate, a single file containing the "
+ "private key and the certificate in PEM format.",
+) # type: Callable[..., Option]
+
+index_url = partial(
+ Option,
+ '-i', '--index-url', '--pypi-url',
+ dest='index_url',
+ metavar='URL',
+ default=PyPI.simple_url,
+ help="Base URL of the Python Package Index (default %default). "
+ "This should point to a repository compliant with PEP 503 "
+ "(the simple repository API) or a local directory laid out "
+ "in the same format.",
+) # type: Callable[..., Option]
+
+
+def extra_index_url():
+ return Option(
+ '--extra-index-url',
+ dest='extra_index_urls',
+ metavar='URL',
+ action='append',
+ default=[],
+ help="Extra URLs of package indexes to use in addition to "
+ "--index-url. Should follow the same rules as "
+ "--index-url.",
+ )
+
+
+no_index = partial(
+ Option,
+ '--no-index',
+ dest='no_index',
+ action='store_true',
+ default=False,
+ help='Ignore package index (only looking at --find-links URLs instead).',
+) # type: Callable[..., Option]
+
+
+def find_links():
+ # type: () -> Option
+ return Option(
+ '-f', '--find-links',
+ dest='find_links',
+ action='append',
+ default=[],
+ metavar='url',
+ help="If a url or path to an html file, then parse for links to "
+ "archives. If a local path or file:// url that's a directory, "
+ "then look for archives in the directory listing.",
+ )
+
+
+def make_search_scope(options, suppress_no_index=False):
+ # type: (Values, bool) -> SearchScope
+ """
+ :param suppress_no_index: Whether to ignore the --no-index option
+ when constructing the SearchScope object.
+ """
+ index_urls = [options.index_url] + options.extra_index_urls
+ if options.no_index and not suppress_no_index:
+ logger.debug(
+ 'Ignoring indexes: %s',
+ ','.join(redact_password_from_url(url) for url in index_urls),
+ )
+ index_urls = []
+
+ # Make sure find_links is a list before passing to create().
+ find_links = options.find_links or []
+
+ search_scope = SearchScope.create(
+ find_links=find_links, index_urls=index_urls,
+ )
+
+ return search_scope
+
+
+def trusted_host():
+ # type: () -> Option
+ return Option(
+ "--trusted-host",
+ dest="trusted_hosts",
+ action="append",
+ metavar="HOSTNAME",
+ default=[],
+ help="Mark this host as trusted, even though it does not have valid "
+ "or any HTTPS.",
+ )
+
+
+def constraints():
+ # type: () -> Option
+ return Option(
+ '-c', '--constraint',
+ dest='constraints',
+ action='append',
+ default=[],
+ metavar='file',
+ help='Constrain versions using the given constraints file. '
+ 'This option can be used multiple times.'
+ )
+
+
+def requirements():
+ # type: () -> Option
+ return Option(
+ '-r', '--requirement',
+ dest='requirements',
+ action='append',
+ default=[],
+ metavar='file',
+ help='Install from the given requirements file. '
+ 'This option can be used multiple times.'
+ )
+
+
+def editable():
+ # type: () -> Option
+ return Option(
+ '-e', '--editable',
+ dest='editables',
+ action='append',
+ default=[],
+ metavar='path/url',
+ help=('Install a project in editable mode (i.e. setuptools '
+ '"develop mode") from a local project path or a VCS url.'),
+ )
+
+
+src = partial(
+ Option,
+ '--src', '--source', '--source-dir', '--source-directory',
+ dest='src_dir',
+ metavar='dir',
+ default=get_src_prefix(),
+ help='Directory to check out editable projects into. '
+ 'The default in a virtualenv is "<venv path>/src". '
+ 'The default for global installs is "<current dir>/src".'
+) # type: Callable[..., Option]
+
+
+def _get_format_control(values, option):
+ # type: (Values, Option) -> Any
+ """Get a format_control object."""
+ return getattr(values, option.dest)
+
+
+def _handle_no_binary(option, opt_str, value, parser):
+ # type: (Option, str, str, OptionParser) -> None
+ existing = _get_format_control(parser.values, option)
+ FormatControl.handle_mutual_excludes(
+ value, existing.no_binary, existing.only_binary,
+ )
+
+
+def _handle_only_binary(option, opt_str, value, parser):
+ # type: (Option, str, str, OptionParser) -> None
+ existing = _get_format_control(parser.values, option)
+ FormatControl.handle_mutual_excludes(
+ value, existing.only_binary, existing.no_binary,
+ )
+
+
+def no_binary():
+ # type: () -> Option
+ format_control = FormatControl(set(), set())
+ return Option(
+ "--no-binary", dest="format_control", action="callback",
+ callback=_handle_no_binary, type="str",
+ default=format_control,
+ help="Do not use binary packages. Can be supplied multiple times, and "
+ "each time adds to the existing value. Accepts either :all: to "
+ "disable all binary packages, :none: to empty the set, or one or "
+ "more package names with commas between them. Note that some "
+ "packages are tricky to compile and may fail to install when "
+ "this option is used on them.",
+ )
+
+
+def only_binary():
+ # type: () -> Option
+ format_control = FormatControl(set(), set())
+ return Option(
+ "--only-binary", dest="format_control", action="callback",
+ callback=_handle_only_binary, type="str",
+ default=format_control,
+ help="Do not use source packages. Can be supplied multiple times, and "
+ "each time adds to the existing value. Accepts either :all: to "
+ "disable all source packages, :none: to empty the set, or one or "
+ "more package names with commas between them. Packages without "
+ "binary distributions will fail to install when this option is "
+ "used on them.",
+ )
+
+
+platform = partial(
+ Option,
+ '--platform',
+ dest='platform',
+ metavar='platform',
+ default=None,
+ help=("Only use wheels compatible with <platform>. "
+ "Defaults to the platform of the running system."),
+) # type: Callable[..., Option]
+
+
+# This was made a separate function for unit-testing purposes.
+def _convert_python_version(value):
+ # type: (str) -> Tuple[Tuple[int, ...], Optional[str]]
+ """
+ Convert a version string like "3", "37", or "3.7.3" into a tuple of ints.
+
+ :return: A 2-tuple (version_info, error_msg), where `error_msg` is
+ non-None if and only if there was a parsing error.
+ """
+ if not value:
+ # The empty string is the same as not providing a value.
+ return (None, None)
+
+ parts = value.split('.')
+ if len(parts) > 3:
+ return ((), 'at most three version parts are allowed')
+
+ if len(parts) == 1:
+ # Then we are in the case of "3" or "37".
+ value = parts[0]
+ if len(value) > 1:
+ parts = [value[0], value[1:]]
+
+ try:
+ version_info = tuple(int(part) for part in parts)
+ except ValueError:
+ return ((), 'each version part must be an integer')
+
+ return (version_info, None)
+
+
+def _handle_python_version(option, opt_str, value, parser):
+ # type: (Option, str, str, OptionParser) -> None
+ """
+ Handle a provided --python-version value.
+ """
+ version_info, error_msg = _convert_python_version(value)
+ if error_msg is not None:
+ msg = (
+ 'invalid --python-version value: {!r}: {}'.format(
+ value, error_msg,
+ )
+ )
+ raise_option_error(parser, option=option, msg=msg)
+
+ parser.values.python_version = version_info
+
+
+python_version = partial(
+ Option,
+ '--python-version',
+ dest='python_version',
+ metavar='python_version',
+ action='callback',
+ callback=_handle_python_version, type='str',
+ default=None,
+ help=dedent("""\
+ The Python interpreter version to use for wheel and "Requires-Python"
+ compatibility checks. Defaults to a version derived from the running
+ interpreter. The version can be specified using up to three dot-separated
+ integers (e.g. "3" for 3.0.0, "3.7" for 3.7.0, or "3.7.3"). A major-minor
+ version can also be given as a string without dots (e.g. "37" for 3.7.0).
+ """),
+) # type: Callable[..., Option]
+
+
+implementation = partial(
+ Option,
+ '--implementation',
+ dest='implementation',
+ metavar='implementation',
+ default=None,
+ help=("Only use wheels compatible with Python "
+ "implementation <implementation>, e.g. 'pp', 'jy', 'cp', "
+ " or 'ip'. If not specified, then the current "
+ "interpreter implementation is used. Use 'py' to force "
+ "implementation-agnostic wheels."),
+) # type: Callable[..., Option]
+
+
+abi = partial(
+ Option,
+ '--abi',
+ dest='abi',
+ metavar='abi',
+ default=None,
+ help=("Only use wheels compatible with Python "
+ "abi <abi>, e.g. 'pypy_41'. If not specified, then the "
+ "current interpreter abi tag is used. Generally "
+ "you will need to specify --implementation, "
+ "--platform, and --python-version when using "
+ "this option."),
+) # type: Callable[..., Option]
+
+
+def add_target_python_options(cmd_opts):
+ # type: (OptionGroup) -> None
+ cmd_opts.add_option(platform())
+ cmd_opts.add_option(python_version())
+ cmd_opts.add_option(implementation())
+ cmd_opts.add_option(abi())
+
+
+def make_target_python(options):
+ # type: (Values) -> TargetPython
+ target_python = TargetPython(
+ platform=options.platform,
+ py_version_info=options.python_version,
+ abi=options.abi,
+ implementation=options.implementation,
+ )
+
+ return target_python
+
+
+def prefer_binary():
+ # type: () -> Option
+ return Option(
+ "--prefer-binary",
+ dest="prefer_binary",
+ action="store_true",
+ default=False,
+ help="Prefer older binary packages over newer source packages."
+ )
+
+
+cache_dir = partial(
+ Option,
+ "--cache-dir",
+ dest="cache_dir",
+ default=USER_CACHE_DIR,
+ metavar="dir",
+ help="Store the cache data in <dir>."
+) # type: Callable[..., Option]
+
+
+def _handle_no_cache_dir(option, opt, value, parser):
+ # type: (Option, str, str, OptionParser) -> None
+ """
+ Process a value provided for the --no-cache-dir option.
+
+ This is an optparse.Option callback for the --no-cache-dir option.
+ """
+ # The value argument will be None if --no-cache-dir is passed via the
+ # command-line, since the option doesn't accept arguments. However,
+ # the value can be non-None if the option is triggered e.g. by an
+ # environment variable, like PIP_NO_CACHE_DIR=true.
+ if value is not None:
+ # Then parse the string value to get argument error-checking.
+ try:
+ strtobool(value)
+ except ValueError as exc:
+ raise_option_error(parser, option=option, msg=str(exc))
+
+ # Originally, setting PIP_NO_CACHE_DIR to a value that strtobool()
+ # converted to 0 (like "false" or "no") caused cache_dir to be disabled
+ # rather than enabled (logic would say the latter). Thus, we disable
+ # the cache directory not just on values that parse to True, but (for
+ # backwards compatibility reasons) also on values that parse to False.
+ # In other words, always set it to False if the option is provided in
+ # some (valid) form.
+ parser.values.cache_dir = False
+
+
+no_cache = partial(
+ Option,
+ "--no-cache-dir",
+ dest="cache_dir",
+ action="callback",
+ callback=_handle_no_cache_dir,
+ help="Disable the cache.",
+) # type: Callable[..., Option]
+
+no_deps = partial(
+ Option,
+ '--no-deps', '--no-dependencies',
+ dest='ignore_dependencies',
+ action='store_true',
+ default=False,
+ help="Don't install package dependencies.",
+) # type: Callable[..., Option]
+
+build_dir = partial(
+ Option,
+ '-b', '--build', '--build-dir', '--build-directory',
+ dest='build_dir',
+ metavar='dir',
+ help='Directory to unpack packages into and build in. Note that '
+ 'an initial build still takes place in a temporary directory. '
+ 'The location of temporary directories can be controlled by setting '
+ 'the TMPDIR environment variable (TEMP on Windows) appropriately. '
+ 'When passed, build directories are not cleaned in case of failures.'
+) # type: Callable[..., Option]
+
+ignore_requires_python = partial(
+ Option,
+ '--ignore-requires-python',
+ dest='ignore_requires_python',
+ action='store_true',
+ help='Ignore the Requires-Python information.'
+) # type: Callable[..., Option]
+
+no_build_isolation = partial(
+ Option,
+ '--no-build-isolation',
+ dest='build_isolation',
+ action='store_false',
+ default=True,
+ help='Disable isolation when building a modern source distribution. '
+ 'Build dependencies specified by PEP 518 must be already installed '
+ 'if this option is used.'
+) # type: Callable[..., Option]
+
+
+def _handle_no_use_pep517(option, opt, value, parser):
+ # type: (Option, str, str, OptionParser) -> None
+ """
+ Process a value provided for the --no-use-pep517 option.
+
+ This is an optparse.Option callback for the no_use_pep517 option.
+ """
+ # Since --no-use-pep517 doesn't accept arguments, the value argument
+ # will be None if --no-use-pep517 is passed via the command-line.
+ # However, the value can be non-None if the option is triggered e.g.
+ # by an environment variable, for example "PIP_NO_USE_PEP517=true".
+ if value is not None:
+ msg = """A value was passed for --no-use-pep517,
+ probably using either the PIP_NO_USE_PEP517 environment variable
+ or the "no-use-pep517" config file option. Use an appropriate value
+ of the PIP_USE_PEP517 environment variable or the "use-pep517"
+ config file option instead.
+ """
+ raise_option_error(parser, option=option, msg=msg)
+
+ # Otherwise, --no-use-pep517 was passed via the command-line.
+ parser.values.use_pep517 = False
+
+
+use_pep517 = partial(
+ Option,
+ '--use-pep517',
+ dest='use_pep517',
+ action='store_true',
+ default=None,
+ help='Use PEP 517 for building source distributions '
+ '(use --no-use-pep517 to force legacy behaviour).'
+) # type: Any
+
+no_use_pep517 = partial(
+ Option,
+ '--no-use-pep517',
+ dest='use_pep517',
+ action='callback',
+ callback=_handle_no_use_pep517,
+ default=None,
+ help=SUPPRESS_HELP
+) # type: Any
+
+install_options = partial(
+ Option,
+ '--install-option',
+ dest='install_options',
+ action='append',
+ metavar='options',
+ help="Extra arguments to be supplied to the setup.py install "
+ "command (use like --install-option=\"--install-scripts=/usr/local/"
+ "bin\"). Use multiple --install-option options to pass multiple "
+ "options to setup.py install. If you are using an option with a "
+ "directory path, be sure to use absolute path.",
+) # type: Callable[..., Option]
+
+global_options = partial(
+ Option,
+ '--global-option',
+ dest='global_options',
+ action='append',
+ metavar='options',
+ help="Extra global options to be supplied to the setup.py "
+ "call before the install command.",
+) # type: Callable[..., Option]
+
+no_clean = partial(
+ Option,
+ '--no-clean',
+ action='store_true',
+ default=False,
+ help="Don't clean up build directories."
+) # type: Callable[..., Option]
+
+pre = partial(
+ Option,
+ '--pre',
+ action='store_true',
+ default=False,
+ help="Include pre-release and development versions. By default, "
+ "pip only finds stable versions.",
+) # type: Callable[..., Option]
+
+disable_pip_version_check = partial(
+ Option,
+ "--disable-pip-version-check",
+ dest="disable_pip_version_check",
+ action="store_true",
+ default=False,
+ help="Don't periodically check PyPI to determine whether a new version "
+ "of pip is available for download. Implied with --no-index.",
+) # type: Callable[..., Option]
+
+
+# Deprecated, Remove later
+always_unzip = partial(
+ Option,
+ '-Z', '--always-unzip',
+ dest='always_unzip',
+ action='store_true',
+ help=SUPPRESS_HELP,
+) # type: Callable[..., Option]
+
+
+def _handle_merge_hash(option, opt_str, value, parser):
+ # type: (Option, str, str, OptionParser) -> None
+ """Given a value spelled "algo:digest", append the digest to a list
+ pointed to in a dict by the algo name."""
+ if not parser.values.hashes:
+ parser.values.hashes = {}
+ try:
+ algo, digest = value.split(':', 1)
+ except ValueError:
+ parser.error('Arguments to %s must be a hash name '
+ 'followed by a value, like --hash=sha256:abcde...' %
+ opt_str)
+ if algo not in STRONG_HASHES:
+ parser.error('Allowed hash algorithms for %s are %s.' %
+ (opt_str, ', '.join(STRONG_HASHES)))
+ parser.values.hashes.setdefault(algo, []).append(digest)
+
+
+hash = partial(
+ Option,
+ '--hash',
+ # Hash values eventually end up in InstallRequirement.hashes due to
+ # __dict__ copying in process_line().
+ dest='hashes',
+ action='callback',
+ callback=_handle_merge_hash,
+ type='string',
+ help="Verify that the package's archive matches this "
+ 'hash before installing. Example: --hash=sha256:abcdef...',
+) # type: Callable[..., Option]
+
+
+require_hashes = partial(
+ Option,
+ '--require-hashes',
+ dest='require_hashes',
+ action='store_true',
+ default=False,
+ help='Require a hash to check each requirement against, for '
+ 'repeatable installs. This option is implied when any package in a '
+ 'requirements file has a --hash option.',
+) # type: Callable[..., Option]
+
+
+list_path = partial(
+ Option,
+ '--path',
+ dest='path',
+ action='append',
+ help='Restrict to the specified installation path for listing '
+ 'packages (can be used multiple times).'
+) # type: Callable[..., Option]
+
+
+def check_list_path_option(options):
+ # type: (Values) -> None
+ if options.path and (options.user or options.local):
+ raise CommandError(
+ "Cannot combine '--path' with '--user' or '--local'"
+ )
+
+
+##########
+# groups #
+##########
+
+general_group = {
+ 'name': 'General Options',
+ 'options': [
+ help_,
+ isolated_mode,
+ require_virtualenv,
+ verbose,
+ version,
+ quiet,
+ log,
+ no_input,
+ proxy,
+ retries,
+ timeout,
+ skip_requirements_regex,
+ exists_action,
+ trusted_host,
+ cert,
+ client_cert,
+ cache_dir,
+ no_cache,
+ disable_pip_version_check,
+ no_color,
+ ]
+} # type: Dict[str, Any]
+
+index_group = {
+ 'name': 'Package Index Options',
+ 'options': [
+ index_url,
+ extra_index_url,
+ no_index,
+ find_links,
+ ]
+} # type: Dict[str, Any]
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/cli/main_parser.py b/venv/lib/python3.7/site-packages/pip/_internal/cli/main_parser.py
new file mode 100644
index 0000000..6d0b719
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/cli/main_parser.py
@@ -0,0 +1,98 @@
+"""A single place for constructing and exposing the main parser
+"""
+
+import os
+import sys
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.parser import (
+ ConfigOptionParser, UpdatingDefaultsHelpFormatter,
+)
+from pip._internal.commands import (
+ commands_dict, get_similar_commands, get_summaries,
+)
+from pip._internal.exceptions import CommandError
+from pip._internal.utils.misc import get_pip_version, get_prog
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+if MYPY_CHECK_RUNNING:
+ from typing import Tuple, List
+
+
+__all__ = ["create_main_parser", "parse_command"]
+
+
+def create_main_parser():
+ # type: () -> ConfigOptionParser
+ """Creates and returns the main parser for pip's CLI
+ """
+
+ parser_kw = {
+ 'usage': '\n%prog <command> [options]',
+ 'add_help_option': False,
+ 'formatter': UpdatingDefaultsHelpFormatter(),
+ 'name': 'global',
+ 'prog': get_prog(),
+ }
+
+ parser = ConfigOptionParser(**parser_kw)
+ parser.disable_interspersed_args()
+
+ parser.version = get_pip_version()
+
+ # add the general options
+ gen_opts = cmdoptions.make_option_group(cmdoptions.general_group, parser)
+ parser.add_option_group(gen_opts)
+
+ # so the help formatter knows
+ parser.main = True # type: ignore
+
+ # create command listing for description
+ command_summaries = get_summaries()
+ description = [''] + ['%-27s %s' % (i, j) for i, j in command_summaries]
+ parser.description = '\n'.join(description)
+
+ return parser
+
+
+def parse_command(args):
+ # type: (List[str]) -> Tuple[str, List[str]]
+ parser = create_main_parser()
+
+ # Note: parser calls disable_interspersed_args(), so the result of this
+ # call is to split the initial args into the general options before the
+ # subcommand and everything else.
+ # For example:
+ # args: ['--timeout=5', 'install', '--user', 'INITools']
+ # general_options: ['--timeout==5']
+ # args_else: ['install', '--user', 'INITools']
+ general_options, args_else = parser.parse_args(args)
+
+ # --version
+ if general_options.version:
+ sys.stdout.write(parser.version) # type: ignore
+ sys.stdout.write(os.linesep)
+ sys.exit()
+
+ # pip || pip help -> print_help()
+ if not args_else or (args_else[0] == 'help' and len(args_else) == 1):
+ parser.print_help()
+ sys.exit()
+
+ # the subcommand name
+ cmd_name = args_else[0]
+
+ if cmd_name not in commands_dict:
+ guess = get_similar_commands(cmd_name)
+
+ msg = ['unknown command "%s"' % cmd_name]
+ if guess:
+ msg.append('maybe you meant "%s"' % guess)
+
+ raise CommandError(' - '.join(msg))
+
+ # all the args without the subcommand
+ cmd_args = args[:]
+ cmd_args.remove(cmd_name)
+
+ return cmd_name, cmd_args
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/cli/parser.py b/venv/lib/python3.7/site-packages/pip/_internal/cli/parser.py
new file mode 100644
index 0000000..e1eaac4
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/cli/parser.py
@@ -0,0 +1,261 @@
+"""Base option parser setup"""
+from __future__ import absolute_import
+
+import logging
+import optparse
+import sys
+import textwrap
+from distutils.util import strtobool
+
+from pip._vendor.six import string_types
+
+from pip._internal.cli.status_codes import UNKNOWN_ERROR
+from pip._internal.configuration import Configuration, ConfigurationError
+from pip._internal.utils.compat import get_terminal_size
+
+logger = logging.getLogger(__name__)
+
+
+class PrettyHelpFormatter(optparse.IndentedHelpFormatter):
+ """A prettier/less verbose help formatter for optparse."""
+
+ def __init__(self, *args, **kwargs):
+ # help position must be aligned with __init__.parseopts.description
+ kwargs['max_help_position'] = 30
+ kwargs['indent_increment'] = 1
+ kwargs['width'] = get_terminal_size()[0] - 2
+ optparse.IndentedHelpFormatter.__init__(self, *args, **kwargs)
+
+ def format_option_strings(self, option):
+ return self._format_option_strings(option, ' <%s>', ', ')
+
+ def _format_option_strings(self, option, mvarfmt=' <%s>', optsep=', '):
+ """
+ Return a comma-separated list of option strings and metavars.
+
+ :param option: tuple of (short opt, long opt), e.g: ('-f', '--format')
+ :param mvarfmt: metavar format string - evaluated as mvarfmt % metavar
+ :param optsep: separator
+ """
+ opts = []
+
+ if option._short_opts:
+ opts.append(option._short_opts[0])
+ if option._long_opts:
+ opts.append(option._long_opts[0])
+ if len(opts) > 1:
+ opts.insert(1, optsep)
+
+ if option.takes_value():
+ metavar = option.metavar or option.dest.lower()
+ opts.append(mvarfmt % metavar.lower())
+
+ return ''.join(opts)
+
+ def format_heading(self, heading):
+ if heading == 'Options':
+ return ''
+ return heading + ':\n'
+
+ def format_usage(self, usage):
+ """
+ Ensure there is only one newline between usage and the first heading
+ if there is no description.
+ """
+ msg = '\nUsage: %s\n' % self.indent_lines(textwrap.dedent(usage), " ")
+ return msg
+
+ def format_description(self, description):
+ # leave full control over description to us
+ if description:
+ if hasattr(self.parser, 'main'):
+ label = 'Commands'
+ else:
+ label = 'Description'
+ # some doc strings have initial newlines, some don't
+ description = description.lstrip('\n')
+ # some doc strings have final newlines and spaces, some don't
+ description = description.rstrip()
+ # dedent, then reindent
+ description = self.indent_lines(textwrap.dedent(description), " ")
+ description = '%s:\n%s\n' % (label, description)
+ return description
+ else:
+ return ''
+
+ def format_epilog(self, epilog):
+ # leave full control over epilog to us
+ if epilog:
+ return epilog
+ else:
+ return ''
+
+ def indent_lines(self, text, indent):
+ new_lines = [indent + line for line in text.split('\n')]
+ return "\n".join(new_lines)
+
+
+class UpdatingDefaultsHelpFormatter(PrettyHelpFormatter):
+ """Custom help formatter for use in ConfigOptionParser.
+
+ This is updates the defaults before expanding them, allowing
+ them to show up correctly in the help listing.
+ """
+
+ def expand_default(self, option):
+ if self.parser is not None:
+ self.parser._update_defaults(self.parser.defaults)
+ return optparse.IndentedHelpFormatter.expand_default(self, option)
+
+
+class CustomOptionParser(optparse.OptionParser):
+
+ def insert_option_group(self, idx, *args, **kwargs):
+ """Insert an OptionGroup at a given position."""
+ group = self.add_option_group(*args, **kwargs)
+
+ self.option_groups.pop()
+ self.option_groups.insert(idx, group)
+
+ return group
+
+ @property
+ def option_list_all(self):
+ """Get a list of all options, including those in option groups."""
+ res = self.option_list[:]
+ for i in self.option_groups:
+ res.extend(i.option_list)
+
+ return res
+
+
+class ConfigOptionParser(CustomOptionParser):
+ """Custom option parser which updates its defaults by checking the
+ configuration files and environmental variables"""
+
+ def __init__(self, *args, **kwargs):
+ self.name = kwargs.pop('name')
+
+ isolated = kwargs.pop("isolated", False)
+ self.config = Configuration(isolated)
+
+ assert self.name
+ optparse.OptionParser.__init__(self, *args, **kwargs)
+
+ def check_default(self, option, key, val):
+ try:
+ return option.check_value(key, val)
+ except optparse.OptionValueError as exc:
+ print("An error occurred during configuration: %s" % exc)
+ sys.exit(3)
+
+ def _get_ordered_configuration_items(self):
+ # Configuration gives keys in an unordered manner. Order them.
+ override_order = ["global", self.name, ":env:"]
+
+ # Pool the options into different groups
+ section_items = {name: [] for name in override_order}
+ for section_key, val in self.config.items():
+ # ignore empty values
+ if not val:
+ logger.debug(
+ "Ignoring configuration key '%s' as it's value is empty.",
+ section_key
+ )
+ continue
+
+ section, key = section_key.split(".", 1)
+ if section in override_order:
+ section_items[section].append((key, val))
+
+ # Yield each group in their override order
+ for section in override_order:
+ for key, val in section_items[section]:
+ yield key, val
+
+ def _update_defaults(self, defaults):
+ """Updates the given defaults with values from the config files and
+ the environ. Does a little special handling for certain types of
+ options (lists)."""
+
+ # Accumulate complex default state.
+ self.values = optparse.Values(self.defaults)
+ late_eval = set()
+ # Then set the options with those values
+ for key, val in self._get_ordered_configuration_items():
+ # '--' because configuration supports only long names
+ option = self.get_option('--' + key)
+
+ # Ignore options not present in this parser. E.g. non-globals put
+ # in [global] by users that want them to apply to all applicable
+ # commands.
+ if option is None:
+ continue
+
+ if option.action in ('store_true', 'store_false', 'count'):
+ try:
+ val = strtobool(val)
+ except ValueError:
+ error_msg = invalid_config_error_message(
+ option.action, key, val
+ )
+ self.error(error_msg)
+
+ elif option.action == 'append':
+ val = val.split()
+ val = [self.check_default(option, key, v) for v in val]
+ elif option.action == 'callback':
+ late_eval.add(option.dest)
+ opt_str = option.get_opt_string()
+ val = option.convert_value(opt_str, val)
+ # From take_action
+ args = option.callback_args or ()
+ kwargs = option.callback_kwargs or {}
+ option.callback(option, opt_str, val, self, *args, **kwargs)
+ else:
+ val = self.check_default(option, key, val)
+
+ defaults[option.dest] = val
+
+ for key in late_eval:
+ defaults[key] = getattr(self.values, key)
+ self.values = None
+ return defaults
+
+ def get_default_values(self):
+ """Overriding to make updating the defaults after instantiation of
+ the option parser possible, _update_defaults() does the dirty work."""
+ if not self.process_default_values:
+ # Old, pre-Optik 1.5 behaviour.
+ return optparse.Values(self.defaults)
+
+ # Load the configuration, or error out in case of an error
+ try:
+ self.config.load()
+ except ConfigurationError as err:
+ self.exit(UNKNOWN_ERROR, str(err))
+
+ defaults = self._update_defaults(self.defaults.copy()) # ours
+ for option in self._get_all_options():
+ default = defaults.get(option.dest)
+ if isinstance(default, string_types):
+ opt_str = option.get_opt_string()
+ defaults[option.dest] = option.check_value(opt_str, default)
+ return optparse.Values(defaults)
+
+ def error(self, msg):
+ self.print_usage(sys.stderr)
+ self.exit(UNKNOWN_ERROR, "%s\n" % msg)
+
+
+def invalid_config_error_message(action, key, val):
+ """Returns a better error message when invalid configuration option
+ is provided."""
+ if action in ('store_true', 'store_false'):
+ return ("{0} is not a valid value for {1} option, "
+ "please specify a boolean value like yes/no, "
+ "true/false or 1/0 instead.").format(val, key)
+
+ return ("{0} is not a valid value for {1} option, "
+ "please specify a numerical value like 1/0 "
+ "instead.").format(val, key)
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/cli/status_codes.py b/venv/lib/python3.7/site-packages/pip/_internal/cli/status_codes.py
new file mode 100644
index 0000000..275360a
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/cli/status_codes.py
@@ -0,0 +1,8 @@
+from __future__ import absolute_import
+
+SUCCESS = 0
+ERROR = 1
+UNKNOWN_ERROR = 2
+VIRTUALENV_NOT_FOUND = 3
+PREVIOUS_BUILD_DIR_ERROR = 4
+NO_MATCHES_FOUND = 23
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/commands/__init__.py b/venv/lib/python3.7/site-packages/pip/_internal/commands/__init__.py
new file mode 100644
index 0000000..9e0ab86
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/commands/__init__.py
@@ -0,0 +1,81 @@
+"""
+Package containing all pip commands
+"""
+from __future__ import absolute_import
+
+from pip._internal.commands.completion import CompletionCommand
+from pip._internal.commands.configuration import ConfigurationCommand
+from pip._internal.commands.debug import DebugCommand
+from pip._internal.commands.download import DownloadCommand
+from pip._internal.commands.freeze import FreezeCommand
+from pip._internal.commands.hash import HashCommand
+from pip._internal.commands.help import HelpCommand
+from pip._internal.commands.list import ListCommand
+from pip._internal.commands.check import CheckCommand
+from pip._internal.commands.search import SearchCommand
+from pip._internal.commands.show import ShowCommand
+from pip._internal.commands.install import InstallCommand
+from pip._internal.commands.uninstall import UninstallCommand
+from pip._internal.commands.wheel import WheelCommand
+
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+if MYPY_CHECK_RUNNING:
+ from typing import List, Type
+ from pip._internal.cli.base_command import Command
+
+commands_order = [
+ InstallCommand,
+ DownloadCommand,
+ UninstallCommand,
+ FreezeCommand,
+ ListCommand,
+ ShowCommand,
+ CheckCommand,
+ ConfigurationCommand,
+ SearchCommand,
+ WheelCommand,
+ HashCommand,
+ CompletionCommand,
+ DebugCommand,
+ HelpCommand,
+] # type: List[Type[Command]]
+
+commands_dict = {c.name: c for c in commands_order}
+
+
+def get_summaries(ordered=True):
+ """Yields sorted (command name, command summary) tuples."""
+
+ if ordered:
+ cmditems = _sort_commands(commands_dict, commands_order)
+ else:
+ cmditems = commands_dict.items()
+
+ for name, command_class in cmditems:
+ yield (name, command_class.summary)
+
+
+def get_similar_commands(name):
+ """Command name auto-correct."""
+ from difflib import get_close_matches
+
+ name = name.lower()
+
+ close_commands = get_close_matches(name, commands_dict.keys())
+
+ if close_commands:
+ return close_commands[0]
+ else:
+ return False
+
+
+def _sort_commands(cmddict, order):
+ def keyfn(key):
+ try:
+ return order.index(key[1])
+ except ValueError:
+ # unordered items should come last
+ return 0xff
+
+ return sorted(cmddict.items(), key=keyfn)
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/commands/check.py b/venv/lib/python3.7/site-packages/pip/_internal/commands/check.py
new file mode 100644
index 0000000..801cecc
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/commands/check.py
@@ -0,0 +1,41 @@
+import logging
+
+from pip._internal.cli.base_command import Command
+from pip._internal.operations.check import (
+ check_package_set, create_package_set_from_installed,
+)
+
+logger = logging.getLogger(__name__)
+
+
+class CheckCommand(Command):
+ """Verify installed packages have compatible dependencies."""
+ name = 'check'
+ usage = """
+ %prog [options]"""
+ summary = 'Verify installed packages have compatible dependencies.'
+
+ def run(self, options, args):
+ package_set, parsing_probs = create_package_set_from_installed()
+ missing, conflicting = check_package_set(package_set)
+
+ for project_name in missing:
+ version = package_set[project_name].version
+ for dependency in missing[project_name]:
+ logger.info(
+ "%s %s requires %s, which is not installed.",
+ project_name, version, dependency[0],
+ )
+
+ for project_name in conflicting:
+ version = package_set[project_name].version
+ for dep_name, dep_version, req in conflicting[project_name]:
+ logger.info(
+ "%s %s has requirement %s, but you have %s %s.",
+ project_name, version, req, dep_name, dep_version,
+ )
+
+ if missing or conflicting or parsing_probs:
+ return 1
+ else:
+ logger.info("No broken requirements found.")
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/commands/completion.py b/venv/lib/python3.7/site-packages/pip/_internal/commands/completion.py
new file mode 100644
index 0000000..2fcdd39
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/commands/completion.py
@@ -0,0 +1,94 @@
+from __future__ import absolute_import
+
+import sys
+import textwrap
+
+from pip._internal.cli.base_command import Command
+from pip._internal.utils.misc import get_prog
+
+BASE_COMPLETION = """
+# pip %(shell)s completion start%(script)s# pip %(shell)s completion end
+"""
+
+COMPLETION_SCRIPTS = {
+ 'bash': """
+ _pip_completion()
+ {
+ COMPREPLY=( $( COMP_WORDS="${COMP_WORDS[*]}" \\
+ COMP_CWORD=$COMP_CWORD \\
+ PIP_AUTO_COMPLETE=1 $1 ) )
+ }
+ complete -o default -F _pip_completion %(prog)s
+ """,
+ 'zsh': """
+ function _pip_completion {
+ local words cword
+ read -Ac words
+ read -cn cword
+ reply=( $( COMP_WORDS="$words[*]" \\
+ COMP_CWORD=$(( cword-1 )) \\
+ PIP_AUTO_COMPLETE=1 $words[1] ) )
+ }
+ compctl -K _pip_completion %(prog)s
+ """,
+ 'fish': """
+ function __fish_complete_pip
+ set -lx COMP_WORDS (commandline -o) ""
+ set -lx COMP_CWORD ( \\
+ math (contains -i -- (commandline -t) $COMP_WORDS)-1 \\
+ )
+ set -lx PIP_AUTO_COMPLETE 1
+ string split \\ -- (eval $COMP_WORDS[1])
+ end
+ complete -fa "(__fish_complete_pip)" -c %(prog)s
+ """,
+}
+
+
+class CompletionCommand(Command):
+ """A helper command to be used for command completion."""
+ name = 'completion'
+ summary = 'A helper command used for command completion.'
+ ignore_require_venv = True
+
+ def __init__(self, *args, **kw):
+ super(CompletionCommand, self).__init__(*args, **kw)
+
+ cmd_opts = self.cmd_opts
+
+ cmd_opts.add_option(
+ '--bash', '-b',
+ action='store_const',
+ const='bash',
+ dest='shell',
+ help='Emit completion code for bash')
+ cmd_opts.add_option(
+ '--zsh', '-z',
+ action='store_const',
+ const='zsh',
+ dest='shell',
+ help='Emit completion code for zsh')
+ cmd_opts.add_option(
+ '--fish', '-f',
+ action='store_const',
+ const='fish',
+ dest='shell',
+ help='Emit completion code for fish')
+
+ self.parser.insert_option_group(0, cmd_opts)
+
+ def run(self, options, args):
+ """Prints the completion code of the given shell"""
+ shells = COMPLETION_SCRIPTS.keys()
+ shell_options = ['--' + shell for shell in sorted(shells)]
+ if options.shell in shells:
+ script = textwrap.dedent(
+ COMPLETION_SCRIPTS.get(options.shell, '') % {
+ 'prog': get_prog(),
+ }
+ )
+ print(BASE_COMPLETION % {'script': script, 'shell': options.shell})
+ else:
+ sys.stderr.write(
+ 'ERROR: You must pass %s\n' % ' or '.join(shell_options)
+ )
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/commands/configuration.py b/venv/lib/python3.7/site-packages/pip/_internal/commands/configuration.py
new file mode 100644
index 0000000..1ec77d2
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/commands/configuration.py
@@ -0,0 +1,258 @@
+import logging
+import os
+import subprocess
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import ERROR, SUCCESS
+from pip._internal.configuration import (
+ Configuration, get_configuration_files, kinds,
+)
+from pip._internal.exceptions import PipError
+from pip._internal.utils.deprecation import deprecated
+from pip._internal.utils.misc import get_prog
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+logger = logging.getLogger(__name__)
+
+
+class ConfigurationCommand(Command):
+ """Manage local and global configuration.
+
+ Subcommands:
+
+ list: List the active configuration (or from the file specified)
+ edit: Edit the configuration file in an editor
+ get: Get the value associated with name
+ set: Set the name=value
+ unset: Unset the value associated with name
+
+ If none of --user, --global and --site are passed, a virtual
+ environment configuration file is used if one is active and the file
+ exists. Otherwise, all modifications happen on the to the user file by
+ default.
+ """
+
+ name = 'config'
+ usage = """
+ %prog [<file-option>] list
+ %prog [<file-option>] [--editor <editor-path>] edit
+
+ %prog [<file-option>] get name
+ %prog [<file-option>] set name value
+ %prog [<file-option>] unset name
+ """
+
+ summary = "Manage local and global configuration."
+
+ def __init__(self, *args, **kwargs):
+ super(ConfigurationCommand, self).__init__(*args, **kwargs)
+
+ self.configuration = None
+
+ self.cmd_opts.add_option(
+ '--editor',
+ dest='editor',
+ action='store',
+ default=None,
+ help=(
+ 'Editor to use to edit the file. Uses VISUAL or EDITOR '
+ 'environment variables if not provided.'
+ )
+ )
+
+ self.cmd_opts.add_option(
+ '--global',
+ dest='global_file',
+ action='store_true',
+ default=False,
+ help='Use the system-wide configuration file only'
+ )
+
+ self.cmd_opts.add_option(
+ '--user',
+ dest='user_file',
+ action='store_true',
+ default=False,
+ help='Use the user configuration file only'
+ )
+
+ self.cmd_opts.add_option(
+ '--site',
+ dest='site_file',
+ action='store_true',
+ default=False,
+ help='Use the current environment configuration file only'
+ )
+
+ self.cmd_opts.add_option(
+ '--venv',
+ dest='venv_file',
+ action='store_true',
+ default=False,
+ help=(
+ '[Deprecated] Use the current environment configuration '
+ 'file in a virtual environment only'
+ )
+ )
+
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ def run(self, options, args):
+ handlers = {
+ "list": self.list_values,
+ "edit": self.open_in_editor,
+ "get": self.get_name,
+ "set": self.set_name_value,
+ "unset": self.unset_name
+ }
+
+ # Determine action
+ if not args or args[0] not in handlers:
+ logger.error("Need an action ({}) to perform.".format(
+ ", ".join(sorted(handlers)))
+ )
+ return ERROR
+
+ action = args[0]
+
+ # Determine which configuration files are to be loaded
+ # Depends on whether the command is modifying.
+ try:
+ load_only = self._determine_file(
+ options, need_value=(action in ["get", "set", "unset", "edit"])
+ )
+ except PipError as e:
+ logger.error(e.args[0])
+ return ERROR
+
+ # Load a new configuration
+ self.configuration = Configuration(
+ isolated=options.isolated_mode, load_only=load_only
+ )
+ self.configuration.load()
+
+ # Error handling happens here, not in the action-handlers.
+ try:
+ handlers[action](options, args[1:])
+ except PipError as e:
+ logger.error(e.args[0])
+ return ERROR
+
+ return SUCCESS
+
+ def _determine_file(self, options, need_value):
+ # Convert legacy venv_file option to site_file or error
+ if options.venv_file and not options.site_file:
+ if running_under_virtualenv():
+ options.site_file = True
+ deprecated(
+ "The --venv option has been deprecated.",
+ replacement="--site",
+ gone_in="19.3",
+ )
+ else:
+ raise PipError(
+ "Legacy --venv option requires a virtual environment. "
+ "Use --site instead."
+ )
+
+ file_options = [key for key, value in (
+ (kinds.USER, options.user_file),
+ (kinds.GLOBAL, options.global_file),
+ (kinds.SITE, options.site_file),
+ ) if value]
+
+ if not file_options:
+ if not need_value:
+ return None
+ # Default to user, unless there's a site file.
+ elif any(
+ os.path.exists(site_config_file)
+ for site_config_file in get_configuration_files()[kinds.SITE]
+ ):
+ return kinds.SITE
+ else:
+ return kinds.USER
+ elif len(file_options) == 1:
+ return file_options[0]
+
+ raise PipError(
+ "Need exactly one file to operate upon "
+ "(--user, --site, --global) to perform."
+ )
+
+ def list_values(self, options, args):
+ self._get_n_args(args, "list", n=0)
+
+ for key, value in sorted(self.configuration.items()):
+ logger.info("%s=%r", key, value)
+
+ def get_name(self, options, args):
+ key = self._get_n_args(args, "get [name]", n=1)
+ value = self.configuration.get_value(key)
+
+ logger.info("%s", value)
+
+ def set_name_value(self, options, args):
+ key, value = self._get_n_args(args, "set [name] [value]", n=2)
+ self.configuration.set_value(key, value)
+
+ self._save_configuration()
+
+ def unset_name(self, options, args):
+ key = self._get_n_args(args, "unset [name]", n=1)
+ self.configuration.unset_value(key)
+
+ self._save_configuration()
+
+ def open_in_editor(self, options, args):
+ editor = self._determine_editor(options)
+
+ fname = self.configuration.get_file_to_edit()
+ if fname is None:
+ raise PipError("Could not determine appropriate file.")
+
+ try:
+ subprocess.check_call([editor, fname])
+ except subprocess.CalledProcessError as e:
+ raise PipError(
+ "Editor Subprocess exited with exit code {}"
+ .format(e.returncode)
+ )
+
+ def _get_n_args(self, args, example, n):
+ """Helper to make sure the command got the right number of arguments
+ """
+ if len(args) != n:
+ msg = (
+ 'Got unexpected number of arguments, expected {}. '
+ '(example: "{} config {}")'
+ ).format(n, get_prog(), example)
+ raise PipError(msg)
+
+ if n == 1:
+ return args[0]
+ else:
+ return args
+
+ def _save_configuration(self):
+ # We successfully ran a modifying command. Need to save the
+ # configuration.
+ try:
+ self.configuration.save()
+ except Exception:
+ logger.error(
+ "Unable to save configuration. Please report this as a bug.",
+ exc_info=1
+ )
+ raise PipError("Internal Error.")
+
+ def _determine_editor(self, options):
+ if options.editor is not None:
+ return options.editor
+ elif "VISUAL" in os.environ:
+ return os.environ["VISUAL"]
+ elif "EDITOR" in os.environ:
+ return os.environ["EDITOR"]
+ else:
+ raise PipError("Could not determine editor to use.")
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/commands/debug.py b/venv/lib/python3.7/site-packages/pip/_internal/commands/debug.py
new file mode 100644
index 0000000..eb4f8c4
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/commands/debug.py
@@ -0,0 +1,114 @@
+from __future__ import absolute_import
+
+import locale
+import logging
+import sys
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.cmdoptions import make_target_python
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import get_pip_version
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+from pip._internal.wheel import format_tag
+
+if MYPY_CHECK_RUNNING:
+ from typing import Any, List
+ from optparse import Values
+
+logger = logging.getLogger(__name__)
+
+
+def show_value(name, value):
+ # type: (str, str) -> None
+ logger.info('{}: {}'.format(name, value))
+
+
+def show_sys_implementation():
+ # type: () -> None
+ logger.info('sys.implementation:')
+ if hasattr(sys, 'implementation'):
+ implementation = sys.implementation # type: ignore
+ implementation_name = implementation.name
+ else:
+ implementation_name = ''
+
+ with indent_log():
+ show_value('name', implementation_name)
+
+
+def show_tags(options):
+ # type: (Values) -> None
+ tag_limit = 10
+
+ target_python = make_target_python(options)
+ tags = target_python.get_tags()
+
+ # Display the target options that were explicitly provided.
+ formatted_target = target_python.format_given()
+ suffix = ''
+ if formatted_target:
+ suffix = ' (target: {})'.format(formatted_target)
+
+ msg = 'Compatible tags: {}{}'.format(len(tags), suffix)
+ logger.info(msg)
+
+ if options.verbose < 1 and len(tags) > tag_limit:
+ tags_limited = True
+ tags = tags[:tag_limit]
+ else:
+ tags_limited = False
+
+ with indent_log():
+ for tag in tags:
+ logger.info(format_tag(tag))
+
+ if tags_limited:
+ msg = (
+ '...\n'
+ '[First {tag_limit} tags shown. Pass --verbose to show all.]'
+ ).format(tag_limit=tag_limit)
+ logger.info(msg)
+
+
+class DebugCommand(Command):
+ """
+ Display debug information.
+ """
+
+ name = 'debug'
+ usage = """
+ %prog <options>"""
+ summary = 'Show information useful for debugging.'
+ ignore_require_venv = True
+
+ def __init__(self, *args, **kw):
+ super(DebugCommand, self).__init__(*args, **kw)
+
+ cmd_opts = self.cmd_opts
+ cmdoptions.add_target_python_options(cmd_opts)
+ self.parser.insert_option_group(0, cmd_opts)
+
+ def run(self, options, args):
+ # type: (Values, List[Any]) -> int
+ logger.warning(
+ "This command is only meant for debugging. "
+ "Do not use this with automation for parsing and getting these "
+ "details, since the output and options of this command may "
+ "change without notice."
+ )
+ show_value('pip version', get_pip_version())
+ show_value('sys.version', sys.version)
+ show_value('sys.executable', sys.executable)
+ show_value('sys.getdefaultencoding', sys.getdefaultencoding())
+ show_value('sys.getfilesystemencoding', sys.getfilesystemencoding())
+ show_value(
+ 'locale.getpreferredencoding', locale.getpreferredencoding(),
+ )
+ show_value('sys.platform', sys.platform)
+ show_sys_implementation()
+
+ show_tags(options)
+
+ return SUCCESS
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/commands/download.py b/venv/lib/python3.7/site-packages/pip/_internal/commands/download.py
new file mode 100644
index 0000000..5642b56
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/commands/download.py
@@ -0,0 +1,168 @@
+from __future__ import absolute_import
+
+import logging
+import os
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.base_command import RequirementCommand
+from pip._internal.cli.cmdoptions import make_target_python
+from pip._internal.legacy_resolve import Resolver
+from pip._internal.operations.prepare import RequirementPreparer
+from pip._internal.req import RequirementSet
+from pip._internal.req.req_tracker import RequirementTracker
+from pip._internal.utils.filesystem import check_path_owner
+from pip._internal.utils.misc import ensure_dir, normalize_path
+from pip._internal.utils.temp_dir import TempDirectory
+
+logger = logging.getLogger(__name__)
+
+
+class DownloadCommand(RequirementCommand):
+ """
+ Download packages from:
+
+ - PyPI (and other indexes) using requirement specifiers.
+ - VCS project urls.
+ - Local project directories.
+ - Local or remote source archives.
+
+ pip also supports downloading from "requirements files", which provide
+ an easy way to specify a whole environment to be downloaded.
+ """
+ name = 'download'
+
+ usage = """
+ %prog [options] <requirement specifier> [package-index-options] ...
+ %prog [options] -r <requirements file> [package-index-options] ...
+ %prog [options] <vcs project url> ...
+ %prog [options] <local project path> ...
+ %prog [options] <archive url/path> ..."""
+
+ summary = 'Download packages.'
+
+ def __init__(self, *args, **kw):
+ super(DownloadCommand, self).__init__(*args, **kw)
+
+ cmd_opts = self.cmd_opts
+
+ cmd_opts.add_option(cmdoptions.constraints())
+ cmd_opts.add_option(cmdoptions.requirements())
+ cmd_opts.add_option(cmdoptions.build_dir())
+ cmd_opts.add_option(cmdoptions.no_deps())
+ cmd_opts.add_option(cmdoptions.global_options())
+ cmd_opts.add_option(cmdoptions.no_binary())
+ cmd_opts.add_option(cmdoptions.only_binary())
+ cmd_opts.add_option(cmdoptions.prefer_binary())
+ cmd_opts.add_option(cmdoptions.src())
+ cmd_opts.add_option(cmdoptions.pre())
+ cmd_opts.add_option(cmdoptions.no_clean())
+ cmd_opts.add_option(cmdoptions.require_hashes())
+ cmd_opts.add_option(cmdoptions.progress_bar())
+ cmd_opts.add_option(cmdoptions.no_build_isolation())
+ cmd_opts.add_option(cmdoptions.use_pep517())
+ cmd_opts.add_option(cmdoptions.no_use_pep517())
+
+ cmd_opts.add_option(
+ '-d', '--dest', '--destination-dir', '--destination-directory',
+ dest='download_dir',
+ metavar='dir',
+ default=os.curdir,
+ help=("Download packages into <dir>."),
+ )
+
+ cmdoptions.add_target_python_options(cmd_opts)
+
+ index_opts = cmdoptions.make_option_group(
+ cmdoptions.index_group,
+ self.parser,
+ )
+
+ self.parser.insert_option_group(0, index_opts)
+ self.parser.insert_option_group(0, cmd_opts)
+
+ def run(self, options, args):
+ options.ignore_installed = True
+ # editable doesn't really make sense for `pip download`, but the bowels
+ # of the RequirementSet code require that property.
+ options.editables = []
+
+ cmdoptions.check_dist_restriction(options)
+
+ options.src_dir = os.path.abspath(options.src_dir)
+ options.download_dir = normalize_path(options.download_dir)
+
+ ensure_dir(options.download_dir)
+
+ with self._build_session(options) as session:
+ target_python = make_target_python(options)
+ finder = self._build_package_finder(
+ options=options,
+ session=session,
+ target_python=target_python,
+ )
+ build_delete = (not (options.no_clean or options.build_dir))
+ if options.cache_dir and not check_path_owner(options.cache_dir):
+ logger.warning(
+ "The directory '%s' or its parent directory is not owned "
+ "by the current user and caching wheels has been "
+ "disabled. check the permissions and owner of that "
+ "directory. If executing pip with sudo, you may want "
+ "sudo's -H flag.",
+ options.cache_dir,
+ )
+ options.cache_dir = None
+
+ with RequirementTracker() as req_tracker, TempDirectory(
+ options.build_dir, delete=build_delete, kind="download"
+ ) as directory:
+
+ requirement_set = RequirementSet(
+ require_hashes=options.require_hashes,
+ )
+ self.populate_requirement_set(
+ requirement_set,
+ args,
+ options,
+ finder,
+ session,
+ self.name,
+ None
+ )
+
+ preparer = RequirementPreparer(
+ build_dir=directory.path,
+ src_dir=options.src_dir,
+ download_dir=options.download_dir,
+ wheel_download_dir=None,
+ progress_bar=options.progress_bar,
+ build_isolation=options.build_isolation,
+ req_tracker=req_tracker,
+ )
+
+ resolver = Resolver(
+ preparer=preparer,
+ finder=finder,
+ session=session,
+ wheel_cache=None,
+ use_user_site=False,
+ upgrade_strategy="to-satisfy-only",
+ force_reinstall=False,
+ ignore_dependencies=options.ignore_dependencies,
+ py_version_info=options.python_version,
+ ignore_requires_python=False,
+ ignore_installed=True,
+ isolated=options.isolated_mode,
+ )
+ resolver.resolve(requirement_set)
+
+ downloaded = ' '.join([
+ req.name for req in requirement_set.successfully_downloaded
+ ])
+ if downloaded:
+ logger.info('Successfully downloaded %s', downloaded)
+
+ # Clean up
+ if not options.no_clean:
+ requirement_set.cleanup_files()
+
+ return requirement_set
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/commands/freeze.py b/venv/lib/python3.7/site-packages/pip/_internal/commands/freeze.py
new file mode 100644
index 0000000..9fc5b04
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/commands/freeze.py
@@ -0,0 +1,101 @@
+from __future__ import absolute_import
+
+import sys
+
+from pip._internal.cache import WheelCache
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.base_command import Command
+from pip._internal.models.format_control import FormatControl
+from pip._internal.operations.freeze import freeze
+from pip._internal.utils.compat import stdlib_pkgs
+
+DEV_PKGS = {'pip', 'setuptools', 'distribute', 'wheel'}
+
+
+class FreezeCommand(Command):
+ """
+ Output installed packages in requirements format.
+
+ packages are listed in a case-insensitive sorted order.
+ """
+ name = 'freeze'
+ usage = """
+ %prog [options]"""
+ summary = 'Output installed packages in requirements format.'
+ log_streams = ("ext://sys.stderr", "ext://sys.stderr")
+
+ def __init__(self, *args, **kw):
+ super(FreezeCommand, self).__init__(*args, **kw)
+
+ self.cmd_opts.add_option(
+ '-r', '--requirement',
+ dest='requirements',
+ action='append',
+ default=[],
+ metavar='file',
+ help="Use the order in the given requirements file and its "
+ "comments when generating output. This option can be "
+ "used multiple times.")
+ self.cmd_opts.add_option(
+ '-f', '--find-links',
+ dest='find_links',
+ action='append',
+ default=[],
+ metavar='URL',
+ help='URL for finding packages, which will be added to the '
+ 'output.')
+ self.cmd_opts.add_option(
+ '-l', '--local',
+ dest='local',
+ action='store_true',
+ default=False,
+ help='If in a virtualenv that has global access, do not output '
+ 'globally-installed packages.')
+ self.cmd_opts.add_option(
+ '--user',
+ dest='user',
+ action='store_true',
+ default=False,
+ help='Only output packages installed in user-site.')
+ self.cmd_opts.add_option(cmdoptions.list_path())
+ self.cmd_opts.add_option(
+ '--all',
+ dest='freeze_all',
+ action='store_true',
+ help='Do not skip these packages in the output:'
+ ' %s' % ', '.join(DEV_PKGS))
+ self.cmd_opts.add_option(
+ '--exclude-editable',
+ dest='exclude_editable',
+ action='store_true',
+ help='Exclude editable package from output.')
+
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ def run(self, options, args):
+ format_control = FormatControl(set(), set())
+ wheel_cache = WheelCache(options.cache_dir, format_control)
+ skip = set(stdlib_pkgs)
+ if not options.freeze_all:
+ skip.update(DEV_PKGS)
+
+ cmdoptions.check_list_path_option(options)
+
+ freeze_kwargs = dict(
+ requirement=options.requirements,
+ find_links=options.find_links,
+ local_only=options.local,
+ user_only=options.user,
+ paths=options.path,
+ skip_regex=options.skip_requirements_regex,
+ isolated=options.isolated_mode,
+ wheel_cache=wheel_cache,
+ skip=skip,
+ exclude_editable=options.exclude_editable,
+ )
+
+ try:
+ for line in freeze(**freeze_kwargs):
+ sys.stdout.write(line + '\n')
+ finally:
+ wheel_cache.cleanup()
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/commands/hash.py b/venv/lib/python3.7/site-packages/pip/_internal/commands/hash.py
new file mode 100644
index 0000000..423440e
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/commands/hash.py
@@ -0,0 +1,57 @@
+from __future__ import absolute_import
+
+import hashlib
+import logging
+import sys
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import ERROR
+from pip._internal.utils.hashes import FAVORITE_HASH, STRONG_HASHES
+from pip._internal.utils.misc import read_chunks
+
+logger = logging.getLogger(__name__)
+
+
+class HashCommand(Command):
+ """
+ Compute a hash of a local package archive.
+
+ These can be used with --hash in a requirements file to do repeatable
+ installs.
+
+ """
+ name = 'hash'
+ usage = '%prog [options] <file> ...'
+ summary = 'Compute hashes of package archives.'
+ ignore_require_venv = True
+
+ def __init__(self, *args, **kw):
+ super(HashCommand, self).__init__(*args, **kw)
+ self.cmd_opts.add_option(
+ '-a', '--algorithm',
+ dest='algorithm',
+ choices=STRONG_HASHES,
+ action='store',
+ default=FAVORITE_HASH,
+ help='The hash algorithm to use: one of %s' %
+ ', '.join(STRONG_HASHES))
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ def run(self, options, args):
+ if not args:
+ self.parser.print_usage(sys.stderr)
+ return ERROR
+
+ algorithm = options.algorithm
+ for path in args:
+ logger.info('%s:\n--hash=%s:%s',
+ path, algorithm, _hash_of_file(path, algorithm))
+
+
+def _hash_of_file(path, algorithm):
+ """Return the hash digest of a file."""
+ with open(path, 'rb') as archive:
+ hash = hashlib.new(algorithm)
+ for chunk in read_chunks(archive):
+ hash.update(chunk)
+ return hash.hexdigest()
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/commands/help.py b/venv/lib/python3.7/site-packages/pip/_internal/commands/help.py
new file mode 100644
index 0000000..49a81cb
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/commands/help.py
@@ -0,0 +1,37 @@
+from __future__ import absolute_import
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.exceptions import CommandError
+
+
+class HelpCommand(Command):
+ """Show help for commands"""
+ name = 'help'
+ usage = """
+ %prog <command>"""
+ summary = 'Show help for commands.'
+ ignore_require_venv = True
+
+ def run(self, options, args):
+ from pip._internal.commands import commands_dict, get_similar_commands
+
+ try:
+ # 'pip help' with no args is handled by pip.__init__.parseopt()
+ cmd_name = args[0] # the command we need help for
+ except IndexError:
+ return SUCCESS
+
+ if cmd_name not in commands_dict:
+ guess = get_similar_commands(cmd_name)
+
+ msg = ['unknown command "%s"' % cmd_name]
+ if guess:
+ msg.append('maybe you meant "%s"' % guess)
+
+ raise CommandError(' - '.join(msg))
+
+ command = commands_dict[cmd_name]()
+ command.parser.print_help()
+
+ return SUCCESS
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/commands/install.py b/venv/lib/python3.7/site-packages/pip/_internal/commands/install.py
new file mode 100644
index 0000000..ebeceac
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/commands/install.py
@@ -0,0 +1,580 @@
+from __future__ import absolute_import
+
+import errno
+import logging
+import operator
+import os
+import shutil
+from optparse import SUPPRESS_HELP
+
+from pip._vendor import pkg_resources
+
+from pip._internal.cache import WheelCache
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.base_command import RequirementCommand
+from pip._internal.cli.cmdoptions import make_target_python
+from pip._internal.cli.status_codes import ERROR
+from pip._internal.exceptions import (
+ CommandError, InstallationError, PreviousBuildDirError,
+)
+from pip._internal.legacy_resolve import Resolver
+from pip._internal.locations import distutils_scheme
+from pip._internal.operations.check import check_install_conflicts
+from pip._internal.operations.prepare import RequirementPreparer
+from pip._internal.req import RequirementSet, install_given_reqs
+from pip._internal.req.req_tracker import RequirementTracker
+from pip._internal.utils.filesystem import check_path_owner
+from pip._internal.utils.misc import (
+ ensure_dir, get_installed_version,
+ protect_pip_from_modification_on_windows,
+)
+from pip._internal.utils.temp_dir import TempDirectory
+from pip._internal.utils.virtualenv import virtualenv_no_global
+from pip._internal.wheel import WheelBuilder
+
+logger = logging.getLogger(__name__)
+
+
+def is_wheel_installed():
+ """
+ Return whether the wheel package is installed.
+ """
+ try:
+ import wheel # noqa: F401
+ except ImportError:
+ return False
+
+ return True
+
+
+def build_wheels(builder, pep517_requirements, legacy_requirements, session):
+ """
+ Build wheels for requirements, depending on whether wheel is installed.
+ """
+ # We don't build wheels for legacy requirements if wheel is not installed.
+ should_build_legacy = is_wheel_installed()
+
+ # Always build PEP 517 requirements
+ build_failures = builder.build(
+ pep517_requirements,
+ session=session, autobuilding=True
+ )
+
+ if should_build_legacy:
+ # We don't care about failures building legacy
+ # requirements, as we'll fall through to a direct
+ # install for those.
+ builder.build(
+ legacy_requirements,
+ session=session, autobuilding=True
+ )
+
+ return build_failures
+
+
+class InstallCommand(RequirementCommand):
+ """
+ Install packages from:
+
+ - PyPI (and other indexes) using requirement specifiers.
+ - VCS project urls.
+ - Local project directories.
+ - Local or remote source archives.
+
+ pip also supports installing from "requirements files," which provide
+ an easy way to specify a whole environment to be installed.
+ """
+ name = 'install'
+
+ usage = """
+ %prog [options] <requirement specifier> [package-index-options] ...
+ %prog [options] -r <requirements file> [package-index-options] ...
+ %prog [options] [-e] <vcs project url> ...
+ %prog [options] [-e] <local project path> ...
+ %prog [options] <archive url/path> ..."""
+
+ summary = 'Install packages.'
+
+ def __init__(self, *args, **kw):
+ super(InstallCommand, self).__init__(*args, **kw)
+
+ cmd_opts = self.cmd_opts
+
+ cmd_opts.add_option(cmdoptions.requirements())
+ cmd_opts.add_option(cmdoptions.constraints())
+ cmd_opts.add_option(cmdoptions.no_deps())
+ cmd_opts.add_option(cmdoptions.pre())
+
+ cmd_opts.add_option(cmdoptions.editable())
+ cmd_opts.add_option(
+ '-t', '--target',
+ dest='target_dir',
+ metavar='dir',
+ default=None,
+ help='Install packages into <dir>. '
+ 'By default this will not replace existing files/folders in '
+ '<dir>. Use --upgrade to replace existing packages in <dir> '
+ 'with new versions.'
+ )
+ cmdoptions.add_target_python_options(cmd_opts)
+
+ cmd_opts.add_option(
+ '--user',
+ dest='use_user_site',
+ action='store_true',
+ help="Install to the Python user install directory for your "
+ "platform. Typically ~/.local/, or %APPDATA%\\Python on "
+ "Windows. (See the Python documentation for site.USER_BASE "
+ "for full details.)")
+ cmd_opts.add_option(
+ '--no-user',
+ dest='use_user_site',
+ action='store_false',
+ help=SUPPRESS_HELP)
+ cmd_opts.add_option(
+ '--root',
+ dest='root_path',
+ metavar='dir',
+ default=None,
+ help="Install everything relative to this alternate root "
+ "directory.")
+ cmd_opts.add_option(
+ '--prefix',
+ dest='prefix_path',
+ metavar='dir',
+ default=None,
+ help="Installation prefix where lib, bin and other top-level "
+ "folders are placed")
+
+ cmd_opts.add_option(cmdoptions.build_dir())
+
+ cmd_opts.add_option(cmdoptions.src())
+
+ cmd_opts.add_option(
+ '-U', '--upgrade',
+ dest='upgrade',
+ action='store_true',
+ help='Upgrade all specified packages to the newest available '
+ 'version. The handling of dependencies depends on the '
+ 'upgrade-strategy used.'
+ )
+
+ cmd_opts.add_option(
+ '--upgrade-strategy',
+ dest='upgrade_strategy',
+ default='only-if-needed',
+ choices=['only-if-needed', 'eager'],
+ help='Determines how dependency upgrading should be handled '
+ '[default: %default]. '
+ '"eager" - dependencies are upgraded regardless of '
+ 'whether the currently installed version satisfies the '
+ 'requirements of the upgraded package(s). '
+ '"only-if-needed" - are upgraded only when they do not '
+ 'satisfy the requirements of the upgraded package(s).'
+ )
+
+ cmd_opts.add_option(
+ '--force-reinstall',
+ dest='force_reinstall',
+ action='store_true',
+ help='Reinstall all packages even if they are already '
+ 'up-to-date.')
+
+ cmd_opts.add_option(
+ '-I', '--ignore-installed',
+ dest='ignore_installed',
+ action='store_true',
+ help='Ignore the installed packages (reinstalling instead).')
+
+ cmd_opts.add_option(cmdoptions.ignore_requires_python())
+ cmd_opts.add_option(cmdoptions.no_build_isolation())
+ cmd_opts.add_option(cmdoptions.use_pep517())
+ cmd_opts.add_option(cmdoptions.no_use_pep517())
+
+ cmd_opts.add_option(cmdoptions.install_options())
+ cmd_opts.add_option(cmdoptions.global_options())
+
+ cmd_opts.add_option(
+ "--compile",
+ action="store_true",
+ dest="compile",
+ default=True,
+ help="Compile Python source files to bytecode",
+ )
+
+ cmd_opts.add_option(
+ "--no-compile",
+ action="store_false",
+ dest="compile",
+ help="Do not compile Python source files to bytecode",
+ )
+
+ cmd_opts.add_option(
+ "--no-warn-script-location",
+ action="store_false",
+ dest="warn_script_location",
+ default=True,
+ help="Do not warn when installing scripts outside PATH",
+ )
+ cmd_opts.add_option(
+ "--no-warn-conflicts",
+ action="store_false",
+ dest="warn_about_conflicts",
+ default=True,
+ help="Do not warn about broken dependencies",
+ )
+
+ cmd_opts.add_option(cmdoptions.no_binary())
+ cmd_opts.add_option(cmdoptions.only_binary())
+ cmd_opts.add_option(cmdoptions.prefer_binary())
+ cmd_opts.add_option(cmdoptions.no_clean())
+ cmd_opts.add_option(cmdoptions.require_hashes())
+ cmd_opts.add_option(cmdoptions.progress_bar())
+
+ index_opts = cmdoptions.make_option_group(
+ cmdoptions.index_group,
+ self.parser,
+ )
+
+ self.parser.insert_option_group(0, index_opts)
+ self.parser.insert_option_group(0, cmd_opts)
+
+ def run(self, options, args):
+ cmdoptions.check_install_build_global(options)
+ upgrade_strategy = "to-satisfy-only"
+ if options.upgrade:
+ upgrade_strategy = options.upgrade_strategy
+
+ if options.build_dir:
+ options.build_dir = os.path.abspath(options.build_dir)
+
+ cmdoptions.check_dist_restriction(options, check_target=True)
+
+ options.src_dir = os.path.abspath(options.src_dir)
+ install_options = options.install_options or []
+ if options.use_user_site:
+ if options.prefix_path:
+ raise CommandError(
+ "Can not combine '--user' and '--prefix' as they imply "
+ "different installation locations"
+ )
+ if virtualenv_no_global():
+ raise InstallationError(
+ "Can not perform a '--user' install. User site-packages "
+ "are not visible in this virtualenv."
+ )
+ install_options.append('--user')
+ install_options.append('--prefix=')
+
+ target_temp_dir = TempDirectory(kind="target")
+ if options.target_dir:
+ options.ignore_installed = True
+ options.target_dir = os.path.abspath(options.target_dir)
+ if (os.path.exists(options.target_dir) and not
+ os.path.isdir(options.target_dir)):
+ raise CommandError(
+ "Target path exists but is not a directory, will not "
+ "continue."
+ )
+
+ # Create a target directory for using with the target option
+ target_temp_dir.create()
+ install_options.append('--home=' + target_temp_dir.path)
+
+ global_options = options.global_options or []
+
+ with self._build_session(options) as session:
+ target_python = make_target_python(options)
+ finder = self._build_package_finder(
+ options=options,
+ session=session,
+ target_python=target_python,
+ ignore_requires_python=options.ignore_requires_python,
+ )
+ build_delete = (not (options.no_clean or options.build_dir))
+ wheel_cache = WheelCache(options.cache_dir, options.format_control)
+
+ if options.cache_dir and not check_path_owner(options.cache_dir):
+ logger.warning(
+ "The directory '%s' or its parent directory is not owned "
+ "by the current user and caching wheels has been "
+ "disabled. check the permissions and owner of that "
+ "directory. If executing pip with sudo, you may want "
+ "sudo's -H flag.",
+ options.cache_dir,
+ )
+ options.cache_dir = None
+
+ with RequirementTracker() as req_tracker, TempDirectory(
+ options.build_dir, delete=build_delete, kind="install"
+ ) as directory:
+ requirement_set = RequirementSet(
+ require_hashes=options.require_hashes,
+ check_supported_wheels=not options.target_dir,
+ )
+
+ try:
+ self.populate_requirement_set(
+ requirement_set, args, options, finder, session,
+ self.name, wheel_cache
+ )
+ preparer = RequirementPreparer(
+ build_dir=directory.path,
+ src_dir=options.src_dir,
+ download_dir=None,
+ wheel_download_dir=None,
+ progress_bar=options.progress_bar,
+ build_isolation=options.build_isolation,
+ req_tracker=req_tracker,
+ )
+
+ resolver = Resolver(
+ preparer=preparer,
+ finder=finder,
+ session=session,
+ wheel_cache=wheel_cache,
+ use_user_site=options.use_user_site,
+ upgrade_strategy=upgrade_strategy,
+ force_reinstall=options.force_reinstall,
+ ignore_dependencies=options.ignore_dependencies,
+ ignore_requires_python=options.ignore_requires_python,
+ ignore_installed=options.ignore_installed,
+ isolated=options.isolated_mode,
+ use_pep517=options.use_pep517
+ )
+ resolver.resolve(requirement_set)
+
+ protect_pip_from_modification_on_windows(
+ modifying_pip=requirement_set.has_requirement("pip")
+ )
+
+ # Consider legacy and PEP517-using requirements separately
+ legacy_requirements = []
+ pep517_requirements = []
+ for req in requirement_set.requirements.values():
+ if req.use_pep517:
+ pep517_requirements.append(req)
+ else:
+ legacy_requirements.append(req)
+
+ wheel_builder = WheelBuilder(
+ finder, preparer, wheel_cache,
+ build_options=[], global_options=[],
+ )
+
+ build_failures = build_wheels(
+ builder=wheel_builder,
+ pep517_requirements=pep517_requirements,
+ legacy_requirements=legacy_requirements,
+ session=session,
+ )
+
+ # If we're using PEP 517, we cannot do a direct install
+ # so we fail here.
+ if build_failures:
+ raise InstallationError(
+ "Could not build wheels for {} which use"
+ " PEP 517 and cannot be installed directly".format(
+ ", ".join(r.name for r in build_failures)))
+
+ to_install = resolver.get_installation_order(
+ requirement_set
+ )
+
+ # Consistency Checking of the package set we're installing.
+ should_warn_about_conflicts = (
+ not options.ignore_dependencies and
+ options.warn_about_conflicts
+ )
+ if should_warn_about_conflicts:
+ self._warn_about_conflicts(to_install)
+
+ # Don't warn about script install locations if
+ # --target has been specified
+ warn_script_location = options.warn_script_location
+ if options.target_dir:
+ warn_script_location = False
+
+ installed = install_given_reqs(
+ to_install,
+ install_options,
+ global_options,
+ root=options.root_path,
+ home=target_temp_dir.path,
+ prefix=options.prefix_path,
+ pycompile=options.compile,
+ warn_script_location=warn_script_location,
+ use_user_site=options.use_user_site,
+ )
+
+ lib_locations = get_lib_location_guesses(
+ user=options.use_user_site,
+ home=target_temp_dir.path,
+ root=options.root_path,
+ prefix=options.prefix_path,
+ isolated=options.isolated_mode,
+ )
+ working_set = pkg_resources.WorkingSet(lib_locations)
+
+ reqs = sorted(installed, key=operator.attrgetter('name'))
+ items = []
+ for req in reqs:
+ item = req.name
+ try:
+ installed_version = get_installed_version(
+ req.name, working_set=working_set
+ )
+ if installed_version:
+ item += '-' + installed_version
+ except Exception:
+ pass
+ items.append(item)
+ installed = ' '.join(items)
+ if installed:
+ logger.info('Successfully installed %s', installed)
+ except EnvironmentError as error:
+ show_traceback = (self.verbosity >= 1)
+
+ message = create_env_error_message(
+ error, show_traceback, options.use_user_site,
+ )
+ logger.error(message, exc_info=show_traceback)
+
+ return ERROR
+ except PreviousBuildDirError:
+ options.no_clean = True
+ raise
+ finally:
+ # Clean up
+ if not options.no_clean:
+ requirement_set.cleanup_files()
+ wheel_cache.cleanup()
+
+ if options.target_dir:
+ self._handle_target_dir(
+ options.target_dir, target_temp_dir, options.upgrade
+ )
+ return requirement_set
+
+ def _handle_target_dir(self, target_dir, target_temp_dir, upgrade):
+ ensure_dir(target_dir)
+
+ # Checking both purelib and platlib directories for installed
+ # packages to be moved to target directory
+ lib_dir_list = []
+
+ with target_temp_dir:
+ # Checking both purelib and platlib directories for installed
+ # packages to be moved to target directory
+ scheme = distutils_scheme('', home=target_temp_dir.path)
+ purelib_dir = scheme['purelib']
+ platlib_dir = scheme['platlib']
+ data_dir = scheme['data']
+
+ if os.path.exists(purelib_dir):
+ lib_dir_list.append(purelib_dir)
+ if os.path.exists(platlib_dir) and platlib_dir != purelib_dir:
+ lib_dir_list.append(platlib_dir)
+ if os.path.exists(data_dir):
+ lib_dir_list.append(data_dir)
+
+ for lib_dir in lib_dir_list:
+ for item in os.listdir(lib_dir):
+ if lib_dir == data_dir:
+ ddir = os.path.join(data_dir, item)
+ if any(s.startswith(ddir) for s in lib_dir_list[:-1]):
+ continue
+ target_item_dir = os.path.join(target_dir, item)
+ if os.path.exists(target_item_dir):
+ if not upgrade:
+ logger.warning(
+ 'Target directory %s already exists. Specify '
+ '--upgrade to force replacement.',
+ target_item_dir
+ )
+ continue
+ if os.path.islink(target_item_dir):
+ logger.warning(
+ 'Target directory %s already exists and is '
+ 'a link. Pip will not automatically replace '
+ 'links, please remove if replacement is '
+ 'desired.',
+ target_item_dir
+ )
+ continue
+ if os.path.isdir(target_item_dir):
+ shutil.rmtree(target_item_dir)
+ else:
+ os.remove(target_item_dir)
+
+ shutil.move(
+ os.path.join(lib_dir, item),
+ target_item_dir
+ )
+
+ def _warn_about_conflicts(self, to_install):
+ try:
+ package_set, _dep_info = check_install_conflicts(to_install)
+ except Exception:
+ logger.error("Error checking for conflicts.", exc_info=True)
+ return
+ missing, conflicting = _dep_info
+
+ # NOTE: There is some duplication here from pip check
+ for project_name in missing:
+ version = package_set[project_name][0]
+ for dependency in missing[project_name]:
+ logger.critical(
+ "%s %s requires %s, which is not installed.",
+ project_name, version, dependency[1],
+ )
+
+ for project_name in conflicting:
+ version = package_set[project_name][0]
+ for dep_name, dep_version, req in conflicting[project_name]:
+ logger.critical(
+ "%s %s has requirement %s, but you'll have %s %s which is "
+ "incompatible.",
+ project_name, version, req, dep_name, dep_version,
+ )
+
+
+def get_lib_location_guesses(*args, **kwargs):
+ scheme = distutils_scheme('', *args, **kwargs)
+ return [scheme['purelib'], scheme['platlib']]
+
+
+def create_env_error_message(error, show_traceback, using_user_site):
+ """Format an error message for an EnvironmentError
+
+ It may occur anytime during the execution of the install command.
+ """
+ parts = []
+
+ # Mention the error if we are not going to show a traceback
+ parts.append("Could not install packages due to an EnvironmentError")
+ if not show_traceback:
+ parts.append(": ")
+ parts.append(str(error))
+ else:
+ parts.append(".")
+
+ # Spilt the error indication from a helper message (if any)
+ parts[-1] += "\n"
+
+ # Suggest useful actions to the user:
+ # (1) using user site-packages or (2) verifying the permissions
+ if error.errno == errno.EACCES:
+ user_option_part = "Consider using the `--user` option"
+ permissions_part = "Check the permissions"
+
+ if not using_user_site:
+ parts.extend([
+ user_option_part, " or ",
+ permissions_part.lower(),
+ ])
+ else:
+ parts.append(permissions_part)
+ parts.append(".\n")
+
+ return "".join(parts).strip() + "\n"
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/commands/list.py b/venv/lib/python3.7/site-packages/pip/_internal/commands/list.py
new file mode 100644
index 0000000..cf71b13
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/commands/list.py
@@ -0,0 +1,311 @@
+from __future__ import absolute_import
+
+import json
+import logging
+
+from pip._vendor import six
+from pip._vendor.six.moves import zip_longest
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.cmdoptions import make_search_scope
+from pip._internal.exceptions import CommandError
+from pip._internal.index import PackageFinder
+from pip._internal.models.selection_prefs import SelectionPreferences
+from pip._internal.utils.misc import (
+ dist_is_editable, get_installed_distributions,
+)
+from pip._internal.utils.packaging import get_installer
+
+logger = logging.getLogger(__name__)
+
+
+class ListCommand(Command):
+ """
+ List installed packages, including editables.
+
+ Packages are listed in a case-insensitive sorted order.
+ """
+ name = 'list'
+ usage = """
+ %prog [options]"""
+ summary = 'List installed packages.'
+
+ def __init__(self, *args, **kw):
+ super(ListCommand, self).__init__(*args, **kw)
+
+ cmd_opts = self.cmd_opts
+
+ cmd_opts.add_option(
+ '-o', '--outdated',
+ action='store_true',
+ default=False,
+ help='List outdated packages')
+ cmd_opts.add_option(
+ '-u', '--uptodate',
+ action='store_true',
+ default=False,
+ help='List uptodate packages')
+ cmd_opts.add_option(
+ '-e', '--editable',
+ action='store_true',
+ default=False,
+ help='List editable projects.')
+ cmd_opts.add_option(
+ '-l', '--local',
+ action='store_true',
+ default=False,
+ help=('If in a virtualenv that has global access, do not list '
+ 'globally-installed packages.'),
+ )
+ self.cmd_opts.add_option(
+ '--user',
+ dest='user',
+ action='store_true',
+ default=False,
+ help='Only output packages installed in user-site.')
+ cmd_opts.add_option(cmdoptions.list_path())
+ cmd_opts.add_option(
+ '--pre',
+ action='store_true',
+ default=False,
+ help=("Include pre-release and development versions. By default, "
+ "pip only finds stable versions."),
+ )
+
+ cmd_opts.add_option(
+ '--format',
+ action='store',
+ dest='list_format',
+ default="columns",
+ choices=('columns', 'freeze', 'json'),
+ help="Select the output format among: columns (default), freeze, "
+ "or json",
+ )
+
+ cmd_opts.add_option(
+ '--not-required',
+ action='store_true',
+ dest='not_required',
+ help="List packages that are not dependencies of "
+ "installed packages.",
+ )
+
+ cmd_opts.add_option(
+ '--exclude-editable',
+ action='store_false',
+ dest='include_editable',
+ help='Exclude editable package from output.',
+ )
+ cmd_opts.add_option(
+ '--include-editable',
+ action='store_true',
+ dest='include_editable',
+ help='Include editable package from output.',
+ default=True,
+ )
+ index_opts = cmdoptions.make_option_group(
+ cmdoptions.index_group, self.parser
+ )
+
+ self.parser.insert_option_group(0, index_opts)
+ self.parser.insert_option_group(0, cmd_opts)
+
+ def _build_package_finder(self, options, session):
+ """
+ Create a package finder appropriate to this list command.
+ """
+ search_scope = make_search_scope(options)
+
+ # Pass allow_yanked=False to ignore yanked versions.
+ selection_prefs = SelectionPreferences(
+ allow_yanked=False,
+ allow_all_prereleases=options.pre,
+ )
+
+ return PackageFinder.create(
+ search_scope=search_scope,
+ selection_prefs=selection_prefs,
+ trusted_hosts=options.trusted_hosts,
+ session=session,
+ )
+
+ def run(self, options, args):
+ if options.outdated and options.uptodate:
+ raise CommandError(
+ "Options --outdated and --uptodate cannot be combined.")
+
+ cmdoptions.check_list_path_option(options)
+
+ packages = get_installed_distributions(
+ local_only=options.local,
+ user_only=options.user,
+ editables_only=options.editable,
+ include_editables=options.include_editable,
+ paths=options.path,
+ )
+
+ # get_not_required must be called firstly in order to find and
+ # filter out all dependencies correctly. Otherwise a package
+ # can't be identified as requirement because some parent packages
+ # could be filtered out before.
+ if options.not_required:
+ packages = self.get_not_required(packages, options)
+
+ if options.outdated:
+ packages = self.get_outdated(packages, options)
+ elif options.uptodate:
+ packages = self.get_uptodate(packages, options)
+
+ self.output_package_listing(packages, options)
+
+ def get_outdated(self, packages, options):
+ return [
+ dist for dist in self.iter_packages_latest_infos(packages, options)
+ if dist.latest_version > dist.parsed_version
+ ]
+
+ def get_uptodate(self, packages, options):
+ return [
+ dist for dist in self.iter_packages_latest_infos(packages, options)
+ if dist.latest_version == dist.parsed_version
+ ]
+
+ def get_not_required(self, packages, options):
+ dep_keys = set()
+ for dist in packages:
+ dep_keys.update(requirement.key for requirement in dist.requires())
+ return {pkg for pkg in packages if pkg.key not in dep_keys}
+
+ def iter_packages_latest_infos(self, packages, options):
+ with self._build_session(options) as session:
+ finder = self._build_package_finder(options, session)
+
+ for dist in packages:
+ typ = 'unknown'
+ all_candidates = finder.find_all_candidates(dist.key)
+ if not options.pre:
+ # Remove prereleases
+ all_candidates = [candidate for candidate in all_candidates
+ if not candidate.version.is_prerelease]
+
+ evaluator = finder.make_candidate_evaluator(
+ project_name=dist.project_name,
+ )
+ best_candidate = evaluator.get_best_candidate(all_candidates)
+ if best_candidate is None:
+ continue
+
+ remote_version = best_candidate.version
+ if best_candidate.link.is_wheel:
+ typ = 'wheel'
+ else:
+ typ = 'sdist'
+ # This is dirty but makes the rest of the code much cleaner
+ dist.latest_version = remote_version
+ dist.latest_filetype = typ
+ yield dist
+
+ def output_package_listing(self, packages, options):
+ packages = sorted(
+ packages,
+ key=lambda dist: dist.project_name.lower(),
+ )
+ if options.list_format == 'columns' and packages:
+ data, header = format_for_columns(packages, options)
+ self.output_package_listing_columns(data, header)
+ elif options.list_format == 'freeze':
+ for dist in packages:
+ if options.verbose >= 1:
+ logger.info("%s==%s (%s)", dist.project_name,
+ dist.version, dist.location)
+ else:
+ logger.info("%s==%s", dist.project_name, dist.version)
+ elif options.list_format == 'json':
+ logger.info(format_for_json(packages, options))
+
+ def output_package_listing_columns(self, data, header):
+ # insert the header first: we need to know the size of column names
+ if len(data) > 0:
+ data.insert(0, header)
+
+ pkg_strings, sizes = tabulate(data)
+
+ # Create and add a separator.
+ if len(data) > 0:
+ pkg_strings.insert(1, " ".join(map(lambda x: '-' * x, sizes)))
+
+ for val in pkg_strings:
+ logger.info(val)
+
+
+def tabulate(vals):
+ # From pfmoore on GitHub:
+ # https://github.com/pypa/pip/issues/3651#issuecomment-216932564
+ assert len(vals) > 0
+
+ sizes = [0] * max(len(x) for x in vals)
+ for row in vals:
+ sizes = [max(s, len(str(c))) for s, c in zip_longest(sizes, row)]
+
+ result = []
+ for row in vals:
+ display = " ".join([str(c).ljust(s) if c is not None else ''
+ for s, c in zip_longest(sizes, row)])
+ result.append(display)
+
+ return result, sizes
+
+
+def format_for_columns(pkgs, options):
+ """
+ Convert the package data into something usable
+ by output_package_listing_columns.
+ """
+ running_outdated = options.outdated
+ # Adjust the header for the `pip list --outdated` case.
+ if running_outdated:
+ header = ["Package", "Version", "Latest", "Type"]
+ else:
+ header = ["Package", "Version"]
+
+ data = []
+ if options.verbose >= 1 or any(dist_is_editable(x) for x in pkgs):
+ header.append("Location")
+ if options.verbose >= 1:
+ header.append("Installer")
+
+ for proj in pkgs:
+ # if we're working on the 'outdated' list, separate out the
+ # latest_version and type
+ row = [proj.project_name, proj.version]
+
+ if running_outdated:
+ row.append(proj.latest_version)
+ row.append(proj.latest_filetype)
+
+ if options.verbose >= 1 or dist_is_editable(proj):
+ row.append(proj.location)
+ if options.verbose >= 1:
+ row.append(get_installer(proj))
+
+ data.append(row)
+
+ return data, header
+
+
+def format_for_json(packages, options):
+ data = []
+ for dist in packages:
+ info = {
+ 'name': dist.project_name,
+ 'version': six.text_type(dist.version),
+ }
+ if options.verbose >= 1:
+ info['location'] = dist.location
+ info['installer'] = get_installer(dist)
+ if options.outdated:
+ info['latest_version'] = six.text_type(dist.latest_version)
+ info['latest_filetype'] = dist.latest_filetype
+ data.append(info)
+ return json.dumps(data)
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/commands/search.py b/venv/lib/python3.7/site-packages/pip/_internal/commands/search.py
new file mode 100644
index 0000000..5802711
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/commands/search.py
@@ -0,0 +1,139 @@
+from __future__ import absolute_import
+
+import logging
+import sys
+import textwrap
+from collections import OrderedDict
+
+from pip._vendor import pkg_resources
+from pip._vendor.packaging.version import parse as parse_version
+# NOTE: XMLRPC Client is not annotated in typeshed as on 2017-07-17, which is
+# why we ignore the type on this import
+from pip._vendor.six.moves import xmlrpc_client # type: ignore
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import NO_MATCHES_FOUND, SUCCESS
+from pip._internal.download import PipXmlrpcTransport
+from pip._internal.exceptions import CommandError
+from pip._internal.models.index import PyPI
+from pip._internal.utils.compat import get_terminal_size
+from pip._internal.utils.logging import indent_log
+
+logger = logging.getLogger(__name__)
+
+
+class SearchCommand(Command):
+ """Search for PyPI packages whose name or summary contains <query>."""
+ name = 'search'
+ usage = """
+ %prog [options] <query>"""
+ summary = 'Search PyPI for packages.'
+ ignore_require_venv = True
+
+ def __init__(self, *args, **kw):
+ super(SearchCommand, self).__init__(*args, **kw)
+ self.cmd_opts.add_option(
+ '-i', '--index',
+ dest='index',
+ metavar='URL',
+ default=PyPI.pypi_url,
+ help='Base URL of Python Package Index (default %default)')
+
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ def run(self, options, args):
+ if not args:
+ raise CommandError('Missing required argument (search query).')
+ query = args
+ pypi_hits = self.search(query, options)
+ hits = transform_hits(pypi_hits)
+
+ terminal_width = None
+ if sys.stdout.isatty():
+ terminal_width = get_terminal_size()[0]
+
+ print_results(hits, terminal_width=terminal_width)
+ if pypi_hits:
+ return SUCCESS
+ return NO_MATCHES_FOUND
+
+ def search(self, query, options):
+ index_url = options.index
+ with self._build_session(options) as session:
+ transport = PipXmlrpcTransport(index_url, session)
+ pypi = xmlrpc_client.ServerProxy(index_url, transport)
+ hits = pypi.search({'name': query, 'summary': query}, 'or')
+ return hits
+
+
+def transform_hits(hits):
+ """
+ The list from pypi is really a list of versions. We want a list of
+ packages with the list of versions stored inline. This converts the
+ list from pypi into one we can use.
+ """
+ packages = OrderedDict()
+ for hit in hits:
+ name = hit['name']
+ summary = hit['summary']
+ version = hit['version']
+
+ if name not in packages.keys():
+ packages[name] = {
+ 'name': name,
+ 'summary': summary,
+ 'versions': [version],
+ }
+ else:
+ packages[name]['versions'].append(version)
+
+ # if this is the highest version, replace summary and score
+ if version == highest_version(packages[name]['versions']):
+ packages[name]['summary'] = summary
+
+ return list(packages.values())
+
+
+def print_results(hits, name_column_width=None, terminal_width=None):
+ if not hits:
+ return
+ if name_column_width is None:
+ name_column_width = max([
+ len(hit['name']) + len(highest_version(hit.get('versions', ['-'])))
+ for hit in hits
+ ]) + 4
+
+ installed_packages = [p.project_name for p in pkg_resources.working_set]
+ for hit in hits:
+ name = hit['name']
+ summary = hit['summary'] or ''
+ latest = highest_version(hit.get('versions', ['-']))
+ if terminal_width is not None:
+ target_width = terminal_width - name_column_width - 5
+ if target_width > 10:
+ # wrap and indent summary to fit terminal
+ summary = textwrap.wrap(summary, target_width)
+ summary = ('\n' + ' ' * (name_column_width + 3)).join(summary)
+
+ line = '%-*s - %s' % (name_column_width,
+ '%s (%s)' % (name, latest), summary)
+ try:
+ logger.info(line)
+ if name in installed_packages:
+ dist = pkg_resources.get_distribution(name)
+ with indent_log():
+ if dist.version == latest:
+ logger.info('INSTALLED: %s (latest)', dist.version)
+ else:
+ logger.info('INSTALLED: %s', dist.version)
+ if parse_version(latest).pre:
+ logger.info('LATEST: %s (pre-release; install'
+ ' with "pip install --pre")', latest)
+ else:
+ logger.info('LATEST: %s', latest)
+ except UnicodeEncodeError:
+ pass
+
+
+def highest_version(versions):
+ return max(versions, key=parse_version)
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/commands/show.py b/venv/lib/python3.7/site-packages/pip/_internal/commands/show.py
new file mode 100644
index 0000000..a18a902
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/commands/show.py
@@ -0,0 +1,168 @@
+from __future__ import absolute_import
+
+import logging
+import os
+from email.parser import FeedParser
+
+from pip._vendor import pkg_resources
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import ERROR, SUCCESS
+
+logger = logging.getLogger(__name__)
+
+
+class ShowCommand(Command):
+ """
+ Show information about one or more installed packages.
+
+ The output is in RFC-compliant mail header format.
+ """
+ name = 'show'
+ usage = """
+ %prog [options] <package> ..."""
+ summary = 'Show information about installed packages.'
+ ignore_require_venv = True
+
+ def __init__(self, *args, **kw):
+ super(ShowCommand, self).__init__(*args, **kw)
+ self.cmd_opts.add_option(
+ '-f', '--files',
+ dest='files',
+ action='store_true',
+ default=False,
+ help='Show the full list of installed files for each package.')
+
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ def run(self, options, args):
+ if not args:
+ logger.warning('ERROR: Please provide a package name or names.')
+ return ERROR
+ query = args
+
+ results = search_packages_info(query)
+ if not print_results(
+ results, list_files=options.files, verbose=options.verbose):
+ return ERROR
+ return SUCCESS
+
+
+def search_packages_info(query):
+ """
+ Gather details from installed distributions. Print distribution name,
+ version, location, and installed files. Installed files requires a
+ pip generated 'installed-files.txt' in the distributions '.egg-info'
+ directory.
+ """
+ installed = {}
+ for p in pkg_resources.working_set:
+ installed[canonicalize_name(p.project_name)] = p
+
+ query_names = [canonicalize_name(name) for name in query]
+
+ for dist in [installed[pkg] for pkg in query_names if pkg in installed]:
+ package = {
+ 'name': dist.project_name,
+ 'version': dist.version,
+ 'location': dist.location,
+ 'requires': [dep.project_name for dep in dist.requires()],
+ }
+ file_list = None
+ metadata = None
+ if isinstance(dist, pkg_resources.DistInfoDistribution):
+ # RECORDs should be part of .dist-info metadatas
+ if dist.has_metadata('RECORD'):
+ lines = dist.get_metadata_lines('RECORD')
+ paths = [l.split(',')[0] for l in lines]
+ paths = [os.path.join(dist.location, p) for p in paths]
+ file_list = [os.path.relpath(p, dist.location) for p in paths]
+
+ if dist.has_metadata('METADATA'):
+ metadata = dist.get_metadata('METADATA')
+ else:
+ # Otherwise use pip's log for .egg-info's
+ if dist.has_metadata('installed-files.txt'):
+ paths = dist.get_metadata_lines('installed-files.txt')
+ paths = [os.path.join(dist.egg_info, p) for p in paths]
+ file_list = [os.path.relpath(p, dist.location) for p in paths]
+
+ if dist.has_metadata('PKG-INFO'):
+ metadata = dist.get_metadata('PKG-INFO')
+
+ if dist.has_metadata('entry_points.txt'):
+ entry_points = dist.get_metadata_lines('entry_points.txt')
+ package['entry_points'] = entry_points
+
+ if dist.has_metadata('INSTALLER'):
+ for line in dist.get_metadata_lines('INSTALLER'):
+ if line.strip():
+ package['installer'] = line.strip()
+ break
+
+ # @todo: Should pkg_resources.Distribution have a
+ # `get_pkg_info` method?
+ feed_parser = FeedParser()
+ feed_parser.feed(metadata)
+ pkg_info_dict = feed_parser.close()
+ for key in ('metadata-version', 'summary',
+ 'home-page', 'author', 'author-email', 'license'):
+ package[key] = pkg_info_dict.get(key)
+
+ # It looks like FeedParser cannot deal with repeated headers
+ classifiers = []
+ for line in metadata.splitlines():
+ if line.startswith('Classifier: '):
+ classifiers.append(line[len('Classifier: '):])
+ package['classifiers'] = classifiers
+
+ if file_list:
+ package['files'] = sorted(file_list)
+ yield package
+
+
+def print_results(distributions, list_files=False, verbose=False):
+ """
+ Print the informations from installed distributions found.
+ """
+ results_printed = False
+ for i, dist in enumerate(distributions):
+ results_printed = True
+ if i > 0:
+ logger.info("---")
+
+ name = dist.get('name', '')
+ required_by = [
+ pkg.project_name for pkg in pkg_resources.working_set
+ if name in [required.name for required in pkg.requires()]
+ ]
+
+ logger.info("Name: %s", name)
+ logger.info("Version: %s", dist.get('version', ''))
+ logger.info("Summary: %s", dist.get('summary', ''))
+ logger.info("Home-page: %s", dist.get('home-page', ''))
+ logger.info("Author: %s", dist.get('author', ''))
+ logger.info("Author-email: %s", dist.get('author-email', ''))
+ logger.info("License: %s", dist.get('license', ''))
+ logger.info("Location: %s", dist.get('location', ''))
+ logger.info("Requires: %s", ', '.join(dist.get('requires', [])))
+ logger.info("Required-by: %s", ', '.join(required_by))
+
+ if verbose:
+ logger.info("Metadata-Version: %s",
+ dist.get('metadata-version', ''))
+ logger.info("Installer: %s", dist.get('installer', ''))
+ logger.info("Classifiers:")
+ for classifier in dist.get('classifiers', []):
+ logger.info(" %s", classifier)
+ logger.info("Entry-points:")
+ for entry in dist.get('entry_points', []):
+ logger.info(" %s", entry.strip())
+ if list_files:
+ logger.info("Files:")
+ for line in dist.get('files', []):
+ logger.info(" %s", line.strip())
+ if "files" not in dist:
+ logger.info("Cannot locate installed-files.txt")
+ return results_printed
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/commands/uninstall.py b/venv/lib/python3.7/site-packages/pip/_internal/commands/uninstall.py
new file mode 100644
index 0000000..0cd6f54
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/commands/uninstall.py
@@ -0,0 +1,78 @@
+from __future__ import absolute_import
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.cli.base_command import Command
+from pip._internal.exceptions import InstallationError
+from pip._internal.req import parse_requirements
+from pip._internal.req.constructors import install_req_from_line
+from pip._internal.utils.misc import protect_pip_from_modification_on_windows
+
+
+class UninstallCommand(Command):
+ """
+ Uninstall packages.
+
+ pip is able to uninstall most installed packages. Known exceptions are:
+
+ - Pure distutils packages installed with ``python setup.py install``, which
+ leave behind no metadata to determine what files were installed.
+ - Script wrappers installed by ``python setup.py develop``.
+ """
+ name = 'uninstall'
+ usage = """
+ %prog [options] <package> ...
+ %prog [options] -r <requirements file> ..."""
+ summary = 'Uninstall packages.'
+
+ def __init__(self, *args, **kw):
+ super(UninstallCommand, self).__init__(*args, **kw)
+ self.cmd_opts.add_option(
+ '-r', '--requirement',
+ dest='requirements',
+ action='append',
+ default=[],
+ metavar='file',
+ help='Uninstall all the packages listed in the given requirements '
+ 'file. This option can be used multiple times.',
+ )
+ self.cmd_opts.add_option(
+ '-y', '--yes',
+ dest='yes',
+ action='store_true',
+ help="Don't ask for confirmation of uninstall deletions.")
+
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ def run(self, options, args):
+ with self._build_session(options) as session:
+ reqs_to_uninstall = {}
+ for name in args:
+ req = install_req_from_line(
+ name, isolated=options.isolated_mode,
+ )
+ if req.name:
+ reqs_to_uninstall[canonicalize_name(req.name)] = req
+ for filename in options.requirements:
+ for req in parse_requirements(
+ filename,
+ options=options,
+ session=session):
+ if req.name:
+ reqs_to_uninstall[canonicalize_name(req.name)] = req
+ if not reqs_to_uninstall:
+ raise InstallationError(
+ 'You must give at least one requirement to %(name)s (see '
+ '"pip help %(name)s")' % dict(name=self.name)
+ )
+
+ protect_pip_from_modification_on_windows(
+ modifying_pip="pip" in reqs_to_uninstall
+ )
+
+ for req in reqs_to_uninstall.values():
+ uninstall_pathset = req.uninstall(
+ auto_confirm=options.yes, verbose=self.verbosity > 0,
+ )
+ if uninstall_pathset:
+ uninstall_pathset.commit()
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/commands/wheel.py b/venv/lib/python3.7/site-packages/pip/_internal/commands/wheel.py
new file mode 100644
index 0000000..97f3b14
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/commands/wheel.py
@@ -0,0 +1,181 @@
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import
+
+import logging
+import os
+
+from pip._internal.cache import WheelCache
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.base_command import RequirementCommand
+from pip._internal.exceptions import CommandError, PreviousBuildDirError
+from pip._internal.legacy_resolve import Resolver
+from pip._internal.operations.prepare import RequirementPreparer
+from pip._internal.req import RequirementSet
+from pip._internal.req.req_tracker import RequirementTracker
+from pip._internal.utils.temp_dir import TempDirectory
+from pip._internal.wheel import WheelBuilder
+
+logger = logging.getLogger(__name__)
+
+
+class WheelCommand(RequirementCommand):
+ """
+ Build Wheel archives for your requirements and dependencies.
+
+ Wheel is a built-package format, and offers the advantage of not
+ recompiling your software during every install. For more details, see the
+ wheel docs: https://wheel.readthedocs.io/en/latest/
+
+ Requirements: setuptools>=0.8, and wheel.
+
+ 'pip wheel' uses the bdist_wheel setuptools extension from the wheel
+ package to build individual wheels.
+
+ """
+
+ name = 'wheel'
+ usage = """
+ %prog [options] <requirement specifier> ...
+ %prog [options] -r <requirements file> ...
+ %prog [options] [-e] <vcs project url> ...
+ %prog [options] [-e] <local project path> ...
+ %prog [options] <archive url/path> ..."""
+
+ summary = 'Build wheels from your requirements.'
+
+ def __init__(self, *args, **kw):
+ super(WheelCommand, self).__init__(*args, **kw)
+
+ cmd_opts = self.cmd_opts
+
+ cmd_opts.add_option(
+ '-w', '--wheel-dir',
+ dest='wheel_dir',
+ metavar='dir',
+ default=os.curdir,
+ help=("Build wheels into <dir>, where the default is the "
+ "current working directory."),
+ )
+ cmd_opts.add_option(cmdoptions.no_binary())
+ cmd_opts.add_option(cmdoptions.only_binary())
+ cmd_opts.add_option(cmdoptions.prefer_binary())
+ cmd_opts.add_option(
+ '--build-option',
+ dest='build_options',
+ metavar='options',
+ action='append',
+ help="Extra arguments to be supplied to 'setup.py bdist_wheel'.",
+ )
+ cmd_opts.add_option(cmdoptions.no_build_isolation())
+ cmd_opts.add_option(cmdoptions.use_pep517())
+ cmd_opts.add_option(cmdoptions.no_use_pep517())
+ cmd_opts.add_option(cmdoptions.constraints())
+ cmd_opts.add_option(cmdoptions.editable())
+ cmd_opts.add_option(cmdoptions.requirements())
+ cmd_opts.add_option(cmdoptions.src())
+ cmd_opts.add_option(cmdoptions.ignore_requires_python())
+ cmd_opts.add_option(cmdoptions.no_deps())
+ cmd_opts.add_option(cmdoptions.build_dir())
+ cmd_opts.add_option(cmdoptions.progress_bar())
+
+ cmd_opts.add_option(
+ '--global-option',
+ dest='global_options',
+ action='append',
+ metavar='options',
+ help="Extra global options to be supplied to the setup.py "
+ "call before the 'bdist_wheel' command.")
+
+ cmd_opts.add_option(
+ '--pre',
+ action='store_true',
+ default=False,
+ help=("Include pre-release and development versions. By default, "
+ "pip only finds stable versions."),
+ )
+
+ cmd_opts.add_option(cmdoptions.no_clean())
+ cmd_opts.add_option(cmdoptions.require_hashes())
+
+ index_opts = cmdoptions.make_option_group(
+ cmdoptions.index_group,
+ self.parser,
+ )
+
+ self.parser.insert_option_group(0, index_opts)
+ self.parser.insert_option_group(0, cmd_opts)
+
+ def run(self, options, args):
+ cmdoptions.check_install_build_global(options)
+
+ if options.build_dir:
+ options.build_dir = os.path.abspath(options.build_dir)
+
+ options.src_dir = os.path.abspath(options.src_dir)
+
+ with self._build_session(options) as session:
+ finder = self._build_package_finder(options, session)
+ build_delete = (not (options.no_clean or options.build_dir))
+ wheel_cache = WheelCache(options.cache_dir, options.format_control)
+
+ with RequirementTracker() as req_tracker, TempDirectory(
+ options.build_dir, delete=build_delete, kind="wheel"
+ ) as directory:
+
+ requirement_set = RequirementSet(
+ require_hashes=options.require_hashes,
+ )
+
+ try:
+ self.populate_requirement_set(
+ requirement_set, args, options, finder, session,
+ self.name, wheel_cache
+ )
+
+ preparer = RequirementPreparer(
+ build_dir=directory.path,
+ src_dir=options.src_dir,
+ download_dir=None,
+ wheel_download_dir=options.wheel_dir,
+ progress_bar=options.progress_bar,
+ build_isolation=options.build_isolation,
+ req_tracker=req_tracker,
+ )
+
+ resolver = Resolver(
+ preparer=preparer,
+ finder=finder,
+ session=session,
+ wheel_cache=wheel_cache,
+ use_user_site=False,
+ upgrade_strategy="to-satisfy-only",
+ force_reinstall=False,
+ ignore_dependencies=options.ignore_dependencies,
+ ignore_requires_python=options.ignore_requires_python,
+ ignore_installed=True,
+ isolated=options.isolated_mode,
+ use_pep517=options.use_pep517
+ )
+ resolver.resolve(requirement_set)
+
+ # build wheels
+ wb = WheelBuilder(
+ finder, preparer, wheel_cache,
+ build_options=options.build_options or [],
+ global_options=options.global_options or [],
+ no_clean=options.no_clean,
+ )
+ build_failures = wb.build(
+ requirement_set.requirements.values(), session=session,
+ )
+ if len(build_failures) != 0:
+ raise CommandError(
+ "Failed to build one or more wheels"
+ )
+ except PreviousBuildDirError:
+ options.no_clean = True
+ raise
+ finally:
+ if not options.no_clean:
+ requirement_set.cleanup_files()
+ wheel_cache.cleanup()
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/configuration.py b/venv/lib/python3.7/site-packages/pip/_internal/configuration.py
new file mode 100644
index 0000000..437e92e
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/configuration.py
@@ -0,0 +1,417 @@
+"""Configuration management setup
+
+Some terminology:
+- name
+ As written in config files.
+- value
+ Value associated with a name
+- key
+ Name combined with it's section (section.name)
+- variant
+ A single word describing where the configuration key-value pair came from
+"""
+
+import locale
+import logging
+import os
+import sys
+
+from pip._vendor.six.moves import configparser
+
+from pip._internal.exceptions import (
+ ConfigurationError, ConfigurationFileCouldNotBeLoaded,
+)
+from pip._internal.utils import appdirs
+from pip._internal.utils.compat import WINDOWS, expanduser
+from pip._internal.utils.misc import ensure_dir, enum
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+if MYPY_CHECK_RUNNING:
+ from typing import (
+ Any, Dict, Iterable, List, NewType, Optional, Tuple
+ )
+
+ RawConfigParser = configparser.RawConfigParser # Shorthand
+ Kind = NewType("Kind", str)
+
+logger = logging.getLogger(__name__)
+
+
+# NOTE: Maybe use the optionx attribute to normalize keynames.
+def _normalize_name(name):
+ # type: (str) -> str
+ """Make a name consistent regardless of source (environment or file)
+ """
+ name = name.lower().replace('_', '-')
+ if name.startswith('--'):
+ name = name[2:] # only prefer long opts
+ return name
+
+
+def _disassemble_key(name):
+ # type: (str) -> List[str]
+ if "." not in name:
+ error_message = (
+ "Key does not contain dot separated section and key. "
+ "Perhaps you wanted to use 'global.{}' instead?"
+ ).format(name)
+ raise ConfigurationError(error_message)
+ return name.split(".", 1)
+
+
+# The kinds of configurations there are.
+kinds = enum(
+ USER="user", # User Specific
+ GLOBAL="global", # System Wide
+ SITE="site", # [Virtual] Environment Specific
+ ENV="env", # from PIP_CONFIG_FILE
+ ENV_VAR="env-var", # from Environment Variables
+)
+
+
+CONFIG_BASENAME = 'pip.ini' if WINDOWS else 'pip.conf'
+
+
+def get_configuration_files():
+ global_config_files = [
+ os.path.join(path, CONFIG_BASENAME)
+ for path in appdirs.site_config_dirs('pip')
+ ]
+
+ site_config_file = os.path.join(sys.prefix, CONFIG_BASENAME)
+ legacy_config_file = os.path.join(
+ expanduser('~'),
+ 'pip' if WINDOWS else '.pip',
+ CONFIG_BASENAME,
+ )
+ new_config_file = os.path.join(
+ appdirs.user_config_dir("pip"), CONFIG_BASENAME
+ )
+ return {
+ kinds.GLOBAL: global_config_files,
+ kinds.SITE: [site_config_file],
+ kinds.USER: [legacy_config_file, new_config_file],
+ }
+
+
+class Configuration(object):
+ """Handles management of configuration.
+
+ Provides an interface to accessing and managing configuration files.
+
+ This class converts provides an API that takes "section.key-name" style
+ keys and stores the value associated with it as "key-name" under the
+ section "section".
+
+ This allows for a clean interface wherein the both the section and the
+ key-name are preserved in an easy to manage form in the configuration files
+ and the data stored is also nice.
+ """
+
+ def __init__(self, isolated, load_only=None):
+ # type: (bool, Kind) -> None
+ super(Configuration, self).__init__()
+
+ _valid_load_only = [kinds.USER, kinds.GLOBAL, kinds.SITE, None]
+ if load_only not in _valid_load_only:
+ raise ConfigurationError(
+ "Got invalid value for load_only - should be one of {}".format(
+ ", ".join(map(repr, _valid_load_only[:-1]))
+ )
+ )
+ self.isolated = isolated # type: bool
+ self.load_only = load_only # type: Optional[Kind]
+
+ # The order here determines the override order.
+ self._override_order = [
+ kinds.GLOBAL, kinds.USER, kinds.SITE, kinds.ENV, kinds.ENV_VAR
+ ]
+
+ self._ignore_env_names = ["version", "help"]
+
+ # Because we keep track of where we got the data from
+ self._parsers = {
+ variant: [] for variant in self._override_order
+ } # type: Dict[Kind, List[Tuple[str, RawConfigParser]]]
+ self._config = {
+ variant: {} for variant in self._override_order
+ } # type: Dict[Kind, Dict[str, Any]]
+ self._modified_parsers = [] # type: List[Tuple[str, RawConfigParser]]
+
+ def load(self):
+ # type: () -> None
+ """Loads configuration from configuration files and environment
+ """
+ self._load_config_files()
+ if not self.isolated:
+ self._load_environment_vars()
+
+ def get_file_to_edit(self):
+ # type: () -> Optional[str]
+ """Returns the file with highest priority in configuration
+ """
+ assert self.load_only is not None, \
+ "Need to be specified a file to be editing"
+
+ try:
+ return self._get_parser_to_modify()[0]
+ except IndexError:
+ return None
+
+ def items(self):
+ # type: () -> Iterable[Tuple[str, Any]]
+ """Returns key-value pairs like dict.items() representing the loaded
+ configuration
+ """
+ return self._dictionary.items()
+
+ def get_value(self, key):
+ # type: (str) -> Any
+ """Get a value from the configuration.
+ """
+ try:
+ return self._dictionary[key]
+ except KeyError:
+ raise ConfigurationError("No such key - {}".format(key))
+
+ def set_value(self, key, value):
+ # type: (str, Any) -> None
+ """Modify a value in the configuration.
+ """
+ self._ensure_have_load_only()
+
+ fname, parser = self._get_parser_to_modify()
+
+ if parser is not None:
+ section, name = _disassemble_key(key)
+
+ # Modify the parser and the configuration
+ if not parser.has_section(section):
+ parser.add_section(section)
+ parser.set(section, name, value)
+
+ self._config[self.load_only][key] = value
+ self._mark_as_modified(fname, parser)
+
+ def unset_value(self, key):
+ # type: (str) -> None
+ """Unset a value in the configuration.
+ """
+ self._ensure_have_load_only()
+
+ if key not in self._config[self.load_only]:
+ raise ConfigurationError("No such key - {}".format(key))
+
+ fname, parser = self._get_parser_to_modify()
+
+ if parser is not None:
+ section, name = _disassemble_key(key)
+
+ # Remove the key in the parser
+ modified_something = False
+ if parser.has_section(section):
+ # Returns whether the option was removed or not
+ modified_something = parser.remove_option(section, name)
+
+ if modified_something:
+ # name removed from parser, section may now be empty
+ section_iter = iter(parser.items(section))
+ try:
+ val = next(section_iter)
+ except StopIteration:
+ val = None
+
+ if val is None:
+ parser.remove_section(section)
+
+ self._mark_as_modified(fname, parser)
+ else:
+ raise ConfigurationError(
+ "Fatal Internal error [id=1]. Please report as a bug."
+ )
+
+ del self._config[self.load_only][key]
+
+ def save(self):
+ # type: () -> None
+ """Save the current in-memory state.
+ """
+ self._ensure_have_load_only()
+
+ for fname, parser in self._modified_parsers:
+ logger.info("Writing to %s", fname)
+
+ # Ensure directory exists.
+ ensure_dir(os.path.dirname(fname))
+
+ with open(fname, "w") as f:
+ parser.write(f)
+
+ #
+ # Private routines
+ #
+
+ def _ensure_have_load_only(self):
+ # type: () -> None
+ if self.load_only is None:
+ raise ConfigurationError("Needed a specific file to be modifying.")
+ logger.debug("Will be working with %s variant only", self.load_only)
+
+ @property
+ def _dictionary(self):
+ # type: () -> Dict[str, Any]
+ """A dictionary representing the loaded configuration.
+ """
+ # NOTE: Dictionaries are not populated if not loaded. So, conditionals
+ # are not needed here.
+ retval = {}
+
+ for variant in self._override_order:
+ retval.update(self._config[variant])
+
+ return retval
+
+ def _load_config_files(self):
+ # type: () -> None
+ """Loads configuration from configuration files
+ """
+ config_files = dict(self._iter_config_files())
+ if config_files[kinds.ENV][0:1] == [os.devnull]:
+ logger.debug(
+ "Skipping loading configuration files due to "
+ "environment's PIP_CONFIG_FILE being os.devnull"
+ )
+ return
+
+ for variant, files in config_files.items():
+ for fname in files:
+ # If there's specific variant set in `load_only`, load only
+ # that variant, not the others.
+ if self.load_only is not None and variant != self.load_only:
+ logger.debug(
+ "Skipping file '%s' (variant: %s)", fname, variant
+ )
+ continue
+
+ parser = self._load_file(variant, fname)
+
+ # Keeping track of the parsers used
+ self._parsers[variant].append((fname, parser))
+
+ def _load_file(self, variant, fname):
+ # type: (Kind, str) -> RawConfigParser
+ logger.debug("For variant '%s', will try loading '%s'", variant, fname)
+ parser = self._construct_parser(fname)
+
+ for section in parser.sections():
+ items = parser.items(section)
+ self._config[variant].update(self._normalized_keys(section, items))
+
+ return parser
+
+ def _construct_parser(self, fname):
+ # type: (str) -> RawConfigParser
+ parser = configparser.RawConfigParser()
+ # If there is no such file, don't bother reading it but create the
+ # parser anyway, to hold the data.
+ # Doing this is useful when modifying and saving files, where we don't
+ # need to construct a parser.
+ if os.path.exists(fname):
+ try:
+ parser.read(fname)
+ except UnicodeDecodeError:
+ # See https://github.com/pypa/pip/issues/4963
+ raise ConfigurationFileCouldNotBeLoaded(
+ reason="contains invalid {} characters".format(
+ locale.getpreferredencoding(False)
+ ),
+ fname=fname,
+ )
+ except configparser.Error as error:
+ # See https://github.com/pypa/pip/issues/4893
+ raise ConfigurationFileCouldNotBeLoaded(error=error)
+ return parser
+
+ def _load_environment_vars(self):
+ # type: () -> None
+ """Loads configuration from environment variables
+ """
+ self._config[kinds.ENV_VAR].update(
+ self._normalized_keys(":env:", self._get_environ_vars())
+ )
+
+ def _normalized_keys(self, section, items):
+ # type: (str, Iterable[Tuple[str, Any]]) -> Dict[str, Any]
+ """Normalizes items to construct a dictionary with normalized keys.
+
+ This routine is where the names become keys and are made the same
+ regardless of source - configuration files or environment.
+ """
+ normalized = {}
+ for name, val in items:
+ key = section + "." + _normalize_name(name)
+ normalized[key] = val
+ return normalized
+
+ def _get_environ_vars(self):
+ # type: () -> Iterable[Tuple[str, str]]
+ """Returns a generator with all environmental vars with prefix PIP_"""
+ for key, val in os.environ.items():
+ should_be_yielded = (
+ key.startswith("PIP_") and
+ key[4:].lower() not in self._ignore_env_names
+ )
+ if should_be_yielded:
+ yield key[4:].lower(), val
+
+ # XXX: This is patched in the tests.
+ def _iter_config_files(self):
+ # type: () -> Iterable[Tuple[Kind, List[str]]]
+ """Yields variant and configuration files associated with it.
+
+ This should be treated like items of a dictionary.
+ """
+ # SMELL: Move the conditions out of this function
+
+ # environment variables have the lowest priority
+ config_file = os.environ.get('PIP_CONFIG_FILE', None)
+ if config_file is not None:
+ yield kinds.ENV, [config_file]
+ else:
+ yield kinds.ENV, []
+
+ config_files = get_configuration_files()
+
+ # at the base we have any global configuration
+ yield kinds.GLOBAL, config_files[kinds.GLOBAL]
+
+ # per-user configuration next
+ should_load_user_config = not self.isolated and not (
+ config_file and os.path.exists(config_file)
+ )
+ if should_load_user_config:
+ # The legacy config file is overridden by the new config file
+ yield kinds.USER, config_files[kinds.USER]
+
+ # finally virtualenv configuration first trumping others
+ yield kinds.SITE, config_files[kinds.SITE]
+
+ def _get_parser_to_modify(self):
+ # type: () -> Tuple[str, RawConfigParser]
+ # Determine which parser to modify
+ parsers = self._parsers[self.load_only]
+ if not parsers:
+ # This should not happen if everything works correctly.
+ raise ConfigurationError(
+ "Fatal Internal error [id=2]. Please report as a bug."
+ )
+
+ # Use the highest priority parser.
+ return parsers[-1]
+
+ # XXX: This is patched in the tests.
+ def _mark_as_modified(self, fname, parser):
+ # type: (str, RawConfigParser) -> None
+ file_parser_tuple = (fname, parser)
+ if file_parser_tuple not in self._modified_parsers:
+ self._modified_parsers.append(file_parser_tuple)
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/distributions/__init__.py b/venv/lib/python3.7/site-packages/pip/_internal/distributions/__init__.py
new file mode 100644
index 0000000..fdf332a
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/distributions/__init__.py
@@ -0,0 +1,23 @@
+from pip._internal.distributions.source import SourceDistribution
+from pip._internal.distributions.wheel import WheelDistribution
+
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+if MYPY_CHECK_RUNNING:
+ from pip._internal.distributions.base import AbstractDistribution
+ from pip._internal.req.req_install import InstallRequirement
+
+
+def make_distribution_for_install_requirement(install_req):
+ # type: (InstallRequirement) -> AbstractDistribution
+ """Returns a Distribution for the given InstallRequirement
+ """
+ # If it's not an editable, is a wheel, it's a WheelDistribution
+ if install_req.editable:
+ return SourceDistribution(install_req)
+
+ if install_req.link and install_req.is_wheel:
+ return WheelDistribution(install_req)
+
+ # Otherwise, a SourceDistribution
+ return SourceDistribution(install_req)
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/distributions/base.py b/venv/lib/python3.7/site-packages/pip/_internal/distributions/base.py
new file mode 100644
index 0000000..b9af3f0
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/distributions/base.py
@@ -0,0 +1,33 @@
+import abc
+
+from pip._vendor.six import add_metaclass
+
+
+@add_metaclass(abc.ABCMeta)
+class AbstractDistribution(object):
+ """A base class for handling installable artifacts.
+
+ The requirements for anything installable are as follows:
+
+ - we must be able to determine the requirement name
+ (or we can't correctly handle the non-upgrade case).
+
+ - for packages with setup requirements, we must also be able
+ to determine their requirements without installing additional
+ packages (for the same reason as run-time dependencies)
+
+ - we must be able to create a Distribution object exposing the
+ above metadata.
+ """
+
+ def __init__(self, req):
+ super(AbstractDistribution, self).__init__()
+ self.req = req
+
+ @abc.abstractmethod
+ def get_pkg_resources_distribution(self):
+ raise NotImplementedError()
+
+ @abc.abstractmethod
+ def prepare_distribution_metadata(self, finder, build_isolation):
+ raise NotImplementedError()
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/distributions/installed.py b/venv/lib/python3.7/site-packages/pip/_internal/distributions/installed.py
new file mode 100644
index 0000000..c4a64e7
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/distributions/installed.py
@@ -0,0 +1,15 @@
+from pip._internal.distributions.base import AbstractDistribution
+
+
+class InstalledDistribution(AbstractDistribution):
+ """Represents an installed package.
+
+ This does not need any preparation as the required information has already
+ been computed.
+ """
+
+ def get_pkg_resources_distribution(self):
+ return self.req.satisfied_by
+
+ def prepare_distribution_metadata(self, finder, build_isolation):
+ pass
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/distributions/source.py b/venv/lib/python3.7/site-packages/pip/_internal/distributions/source.py
new file mode 100644
index 0000000..e5d9fd4
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/distributions/source.py
@@ -0,0 +1,80 @@
+import logging
+
+from pip._internal.build_env import BuildEnvironment
+from pip._internal.distributions.base import AbstractDistribution
+from pip._internal.exceptions import InstallationError
+
+logger = logging.getLogger(__name__)
+
+
+class SourceDistribution(AbstractDistribution):
+ """Represents a source distribution.
+
+ The preparation step for these needs metadata for the packages to be
+ generated, either using PEP 517 or using the legacy `setup.py egg_info`.
+
+ NOTE from @pradyunsg (14 June 2019)
+ I expect SourceDistribution class will need to be split into
+ `legacy_source` (setup.py based) and `source` (PEP 517 based) when we start
+ bringing logic for preparation out of InstallRequirement into this class.
+ """
+
+ def get_pkg_resources_distribution(self):
+ return self.req.get_dist()
+
+ def prepare_distribution_metadata(self, finder, build_isolation):
+ # Prepare for building. We need to:
+ # 1. Load pyproject.toml (if it exists)
+ # 2. Set up the build environment
+
+ self.req.load_pyproject_toml()
+ should_isolate = self.req.use_pep517 and build_isolation
+
+ def _raise_conflicts(conflicting_with, conflicting_reqs):
+ raise InstallationError(
+ "Some build dependencies for %s conflict with %s: %s." % (
+ self.req, conflicting_with, ', '.join(
+ '%s is incompatible with %s' % (installed, wanted)
+ for installed, wanted in sorted(conflicting))))
+
+ if should_isolate:
+ # Isolate in a BuildEnvironment and install the build-time
+ # requirements.
+ self.req.build_env = BuildEnvironment()
+ self.req.build_env.install_requirements(
+ finder, self.req.pyproject_requires, 'overlay',
+ "Installing build dependencies"
+ )
+ conflicting, missing = self.req.build_env.check_requirements(
+ self.req.requirements_to_check
+ )
+ if conflicting:
+ _raise_conflicts("PEP 517/518 supported requirements",
+ conflicting)
+ if missing:
+ logger.warning(
+ "Missing build requirements in pyproject.toml for %s.",
+ self.req,
+ )
+ logger.warning(
+ "The project does not specify a build backend, and "
+ "pip cannot fall back to setuptools without %s.",
+ " and ".join(map(repr, sorted(missing)))
+ )
+ # Install any extra build dependencies that the backend requests.
+ # This must be done in a second pass, as the pyproject.toml
+ # dependencies must be installed before we can call the backend.
+ with self.req.build_env:
+ # We need to have the env active when calling the hook.
+ self.req.spin_message = "Getting requirements to build wheel"
+ reqs = self.req.pep517_backend.get_requires_for_build_wheel()
+ conflicting, missing = self.req.build_env.check_requirements(reqs)
+ if conflicting:
+ _raise_conflicts("the backend dependencies", conflicting)
+ self.req.build_env.install_requirements(
+ finder, missing, 'normal',
+ "Installing backend dependencies"
+ )
+
+ self.req.prepare_metadata()
+ self.req.assert_source_matches_version()
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/distributions/wheel.py b/venv/lib/python3.7/site-packages/pip/_internal/distributions/wheel.py
new file mode 100644
index 0000000..de7be38
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/distributions/wheel.py
@@ -0,0 +1,17 @@
+from pip._vendor import pkg_resources
+
+from pip._internal.distributions.base import AbstractDistribution
+
+
+class WheelDistribution(AbstractDistribution):
+ """Represents a wheel distribution.
+
+ This does not need any preparation as wheels can be directly unpacked.
+ """
+
+ def get_pkg_resources_distribution(self):
+ return list(pkg_resources.find_distributions(
+ self.req.source_dir))[0]
+
+ def prepare_distribution_metadata(self, finder, build_isolation):
+ pass
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/download.py b/venv/lib/python3.7/site-packages/pip/_internal/download.py
new file mode 100644
index 0000000..fc1f4dd
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/download.py
@@ -0,0 +1,1177 @@
+from __future__ import absolute_import
+
+import cgi
+import email.utils
+import json
+import logging
+import mimetypes
+import os
+import platform
+import re
+import shutil
+import sys
+
+from pip._vendor import requests, urllib3
+from pip._vendor.cachecontrol import CacheControlAdapter
+from pip._vendor.cachecontrol.caches import FileCache
+from pip._vendor.lockfile import LockError
+from pip._vendor.requests.adapters import BaseAdapter, HTTPAdapter
+from pip._vendor.requests.auth import AuthBase, HTTPBasicAuth
+from pip._vendor.requests.models import CONTENT_CHUNK_SIZE, Response
+from pip._vendor.requests.structures import CaseInsensitiveDict
+from pip._vendor.requests.utils import get_netrc_auth
+# NOTE: XMLRPC Client is not annotated in typeshed as on 2017-07-17, which is
+# why we ignore the type on this import
+from pip._vendor.six.moves import xmlrpc_client # type: ignore
+from pip._vendor.six.moves.urllib import parse as urllib_parse
+from pip._vendor.six.moves.urllib import request as urllib_request
+
+import pip
+from pip._internal.exceptions import HashMismatch, InstallationError
+from pip._internal.models.index import PyPI
+# Import ssl from compat so the initial import occurs in only one place.
+from pip._internal.utils.compat import HAS_TLS, ssl
+from pip._internal.utils.encoding import auto_decode
+from pip._internal.utils.filesystem import check_path_owner
+from pip._internal.utils.glibc import libc_ver
+from pip._internal.utils.marker_files import write_delete_marker_file
+from pip._internal.utils.misc import (
+ ARCHIVE_EXTENSIONS, ask, ask_input, ask_password, ask_path_exists,
+ backup_dir, consume, display_path, format_size, get_installed_version,
+ path_to_url, remove_auth_from_url, rmtree, split_auth_netloc_from_url,
+ splitext, unpack_file,
+)
+from pip._internal.utils.temp_dir import TempDirectory
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+from pip._internal.utils.ui import DownloadProgressProvider
+from pip._internal.vcs import vcs
+
+if MYPY_CHECK_RUNNING:
+ from typing import (
+ Optional, Tuple, Dict, IO, Text, Union
+ )
+ from optparse import Values
+ from pip._internal.models.link import Link
+ from pip._internal.utils.hashes import Hashes
+ from pip._internal.vcs.versioncontrol import AuthInfo, VersionControl
+
+ Credentials = Tuple[str, str, str]
+
+
+__all__ = ['get_file_content',
+ 'is_url', 'url_to_path', 'path_to_url',
+ 'is_archive_file', 'unpack_vcs_link',
+ 'unpack_file_url', 'is_vcs_url', 'is_file_url',
+ 'unpack_http_url', 'unpack_url',
+ 'parse_content_disposition', 'sanitize_content_filename']
+
+
+logger = logging.getLogger(__name__)
+
+
+try:
+ import keyring # noqa
+except ImportError:
+ keyring = None
+except Exception as exc:
+ logger.warning("Keyring is skipped due to an exception: %s",
+ str(exc))
+ keyring = None
+
+# These are environment variables present when running under various
+# CI systems. For each variable, some CI systems that use the variable
+# are indicated. The collection was chosen so that for each of a number
+# of popular systems, at least one of the environment variables is used.
+# This list is used to provide some indication of and lower bound for
+# CI traffic to PyPI. Thus, it is okay if the list is not comprehensive.
+# For more background, see: https://github.com/pypa/pip/issues/5499
+CI_ENVIRONMENT_VARIABLES = (
+ # Azure Pipelines
+ 'BUILD_BUILDID',
+ # Jenkins
+ 'BUILD_ID',
+ # AppVeyor, CircleCI, Codeship, Gitlab CI, Shippable, Travis CI
+ 'CI',
+ # Explicit environment variable.
+ 'PIP_IS_CI',
+)
+
+
+def looks_like_ci():
+ # type: () -> bool
+ """
+ Return whether it looks like pip is running under CI.
+ """
+ # We don't use the method of checking for a tty (e.g. using isatty())
+ # because some CI systems mimic a tty (e.g. Travis CI). Thus that
+ # method doesn't provide definitive information in either direction.
+ return any(name in os.environ for name in CI_ENVIRONMENT_VARIABLES)
+
+
+def user_agent():
+ """
+ Return a string representing the user agent.
+ """
+ data = {
+ "installer": {"name": "pip", "version": pip.__version__},
+ "python": platform.python_version(),
+ "implementation": {
+ "name": platform.python_implementation(),
+ },
+ }
+
+ if data["implementation"]["name"] == 'CPython':
+ data["implementation"]["version"] = platform.python_version()
+ elif data["implementation"]["name"] == 'PyPy':
+ if sys.pypy_version_info.releaselevel == 'final':
+ pypy_version_info = sys.pypy_version_info[:3]
+ else:
+ pypy_version_info = sys.pypy_version_info
+ data["implementation"]["version"] = ".".join(
+ [str(x) for x in pypy_version_info]
+ )
+ elif data["implementation"]["name"] == 'Jython':
+ # Complete Guess
+ data["implementation"]["version"] = platform.python_version()
+ elif data["implementation"]["name"] == 'IronPython':
+ # Complete Guess
+ data["implementation"]["version"] = platform.python_version()
+
+ if sys.platform.startswith("linux"):
+ from pip._vendor import distro
+ distro_infos = dict(filter(
+ lambda x: x[1],
+ zip(["name", "version", "id"], distro.linux_distribution()),
+ ))
+ libc = dict(filter(
+ lambda x: x[1],
+ zip(["lib", "version"], libc_ver()),
+ ))
+ if libc:
+ distro_infos["libc"] = libc
+ if distro_infos:
+ data["distro"] = distro_infos
+
+ if sys.platform.startswith("darwin") and platform.mac_ver()[0]:
+ data["distro"] = {"name": "macOS", "version": platform.mac_ver()[0]}
+
+ if platform.system():
+ data.setdefault("system", {})["name"] = platform.system()
+
+ if platform.release():
+ data.setdefault("system", {})["release"] = platform.release()
+
+ if platform.machine():
+ data["cpu"] = platform.machine()
+
+ if HAS_TLS:
+ data["openssl_version"] = ssl.OPENSSL_VERSION
+
+ setuptools_version = get_installed_version("setuptools")
+ if setuptools_version is not None:
+ data["setuptools_version"] = setuptools_version
+
+ # Use None rather than False so as not to give the impression that
+ # pip knows it is not being run under CI. Rather, it is a null or
+ # inconclusive result. Also, we include some value rather than no
+ # value to make it easier to know that the check has been run.
+ data["ci"] = True if looks_like_ci() else None
+
+ user_data = os.environ.get("PIP_USER_AGENT_USER_DATA")
+ if user_data is not None:
+ data["user_data"] = user_data
+
+ return "{data[installer][name]}/{data[installer][version]} {json}".format(
+ data=data,
+ json=json.dumps(data, separators=(",", ":"), sort_keys=True),
+ )
+
+
+def _get_keyring_auth(url, username):
+ """Return the tuple auth for a given url from keyring."""
+ if not url or not keyring:
+ return None
+
+ try:
+ try:
+ get_credential = keyring.get_credential
+ except AttributeError:
+ pass
+ else:
+ logger.debug("Getting credentials from keyring for %s", url)
+ cred = get_credential(url, username)
+ if cred is not None:
+ return cred.username, cred.password
+ return None
+
+ if username:
+ logger.debug("Getting password from keyring for %s", url)
+ password = keyring.get_password(url, username)
+ if password:
+ return username, password
+
+ except Exception as exc:
+ logger.warning("Keyring is skipped due to an exception: %s",
+ str(exc))
+
+
+class MultiDomainBasicAuth(AuthBase):
+
+ def __init__(self, prompting=True, index_urls=None):
+ # type: (bool, Optional[Values]) -> None
+ self.prompting = prompting
+ self.index_urls = index_urls
+ self.passwords = {} # type: Dict[str, AuthInfo]
+ # When the user is prompted to enter credentials and keyring is
+ # available, we will offer to save them. If the user accepts,
+ # this value is set to the credentials they entered. After the
+ # request authenticates, the caller should call
+ # ``save_credentials`` to save these.
+ self._credentials_to_save = None # type: Optional[Credentials]
+
+ def _get_index_url(self, url):
+ """Return the original index URL matching the requested URL.
+
+ Cached or dynamically generated credentials may work against
+ the original index URL rather than just the netloc.
+
+ The provided url should have had its username and password
+ removed already. If the original index url had credentials then
+ they will be included in the return value.
+
+ Returns None if no matching index was found, or if --no-index
+ was specified by the user.
+ """
+ if not url or not self.index_urls:
+ return None
+
+ for u in self.index_urls:
+ prefix = remove_auth_from_url(u).rstrip("/") + "/"
+ if url.startswith(prefix):
+ return u
+
+ def _get_new_credentials(self, original_url, allow_netrc=True,
+ allow_keyring=True):
+ """Find and return credentials for the specified URL."""
+ # Split the credentials and netloc from the url.
+ url, netloc, url_user_password = split_auth_netloc_from_url(
+ original_url)
+
+ # Start with the credentials embedded in the url
+ username, password = url_user_password
+ if username is not None and password is not None:
+ logger.debug("Found credentials in url for %s", netloc)
+ return url_user_password
+
+ # Find a matching index url for this request
+ index_url = self._get_index_url(url)
+ if index_url:
+ # Split the credentials from the url.
+ index_info = split_auth_netloc_from_url(index_url)
+ if index_info:
+ index_url, _, index_url_user_password = index_info
+ logger.debug("Found index url %s", index_url)
+
+ # If an index URL was found, try its embedded credentials
+ if index_url and index_url_user_password[0] is not None:
+ username, password = index_url_user_password
+ if username is not None and password is not None:
+ logger.debug("Found credentials in index url for %s", netloc)
+ return index_url_user_password
+
+ # Get creds from netrc if we still don't have them
+ if allow_netrc:
+ netrc_auth = get_netrc_auth(original_url)
+ if netrc_auth:
+ logger.debug("Found credentials in netrc for %s", netloc)
+ return netrc_auth
+
+ # If we don't have a password and keyring is available, use it.
+ if allow_keyring:
+ # The index url is more specific than the netloc, so try it first
+ kr_auth = (_get_keyring_auth(index_url, username) or
+ _get_keyring_auth(netloc, username))
+ if kr_auth:
+ logger.debug("Found credentials in keyring for %s", netloc)
+ return kr_auth
+
+ return username, password
+
+ def _get_url_and_credentials(self, original_url):
+ """Return the credentials to use for the provided URL.
+
+ If allowed, netrc and keyring may be used to obtain the
+ correct credentials.
+
+ Returns (url_without_credentials, username, password). Note
+ that even if the original URL contains credentials, this
+ function may return a different username and password.
+ """
+ url, netloc, _ = split_auth_netloc_from_url(original_url)
+
+ # Use any stored credentials that we have for this netloc
+ username, password = self.passwords.get(netloc, (None, None))
+
+ if username is None and password is None:
+ # No stored credentials. Acquire new credentials without prompting
+ # the user. (e.g. from netrc, keyring, or the URL itself)
+ username, password = self._get_new_credentials(original_url)
+
+ if username is not None or password is not None:
+ # Convert the username and password if they're None, so that
+ # this netloc will show up as "cached" in the conditional above.
+ # Further, HTTPBasicAuth doesn't accept None, so it makes sense to
+ # cache the value that is going to be used.
+ username = username or ""
+ password = password or ""
+
+ # Store any acquired credentials.
+ self.passwords[netloc] = (username, password)
+
+ assert (
+ # Credentials were found
+ (username is not None and password is not None) or
+ # Credentials were not found
+ (username is None and password is None)
+ ), "Could not load credentials from url: {}".format(original_url)
+
+ return url, username, password
+
+ def __call__(self, req):
+ # Get credentials for this request
+ url, username, password = self._get_url_and_credentials(req.url)
+
+ # Set the url of the request to the url without any credentials
+ req.url = url
+
+ if username is not None and password is not None:
+ # Send the basic auth with this request
+ req = HTTPBasicAuth(username, password)(req)
+
+ # Attach a hook to handle 401 responses
+ req.register_hook("response", self.handle_401)
+
+ return req
+
+ # Factored out to allow for easy patching in tests
+ def _prompt_for_password(self, netloc):
+ username = ask_input("User for %s: " % netloc)
+ if not username:
+ return None, None
+ auth = _get_keyring_auth(netloc, username)
+ if auth:
+ return auth[0], auth[1], False
+ password = ask_password("Password: ")
+ return username, password, True
+
+ # Factored out to allow for easy patching in tests
+ def _should_save_password_to_keyring(self):
+ if not keyring:
+ return False
+ return ask("Save credentials to keyring [y/N]: ", ["y", "n"]) == "y"
+
+ def handle_401(self, resp, **kwargs):
+ # We only care about 401 responses, anything else we want to just
+ # pass through the actual response
+ if resp.status_code != 401:
+ return resp
+
+ # We are not able to prompt the user so simply return the response
+ if not self.prompting:
+ return resp
+
+ parsed = urllib_parse.urlparse(resp.url)
+
+ # Prompt the user for a new username and password
+ username, password, save = self._prompt_for_password(parsed.netloc)
+
+ # Store the new username and password to use for future requests
+ self._credentials_to_save = None
+ if username is not None and password is not None:
+ self.passwords[parsed.netloc] = (username, password)
+
+ # Prompt to save the password to keyring
+ if save and self._should_save_password_to_keyring():
+ self._credentials_to_save = (parsed.netloc, username, password)
+
+ # Consume content and release the original connection to allow our new
+ # request to reuse the same one.
+ resp.content
+ resp.raw.release_conn()
+
+ # Add our new username and password to the request
+ req = HTTPBasicAuth(username or "", password or "")(resp.request)
+ req.register_hook("response", self.warn_on_401)
+
+ # On successful request, save the credentials that were used to
+ # keyring. (Note that if the user responded "no" above, this member
+ # is not set and nothing will be saved.)
+ if self._credentials_to_save:
+ req.register_hook("response", self.save_credentials)
+
+ # Send our new request
+ new_resp = resp.connection.send(req, **kwargs)
+ new_resp.history.append(resp)
+
+ return new_resp
+
+ def warn_on_401(self, resp, **kwargs):
+ """Response callback to warn about incorrect credentials."""
+ if resp.status_code == 401:
+ logger.warning('401 Error, Credentials not correct for %s',
+ resp.request.url)
+
+ def save_credentials(self, resp, **kwargs):
+ """Response callback to save credentials on success."""
+ assert keyring is not None, "should never reach here without keyring"
+ if not keyring:
+ return
+
+ creds = self._credentials_to_save
+ self._credentials_to_save = None
+ if creds and resp.status_code < 400:
+ try:
+ logger.info('Saving credentials to keyring')
+ keyring.set_password(*creds)
+ except Exception:
+ logger.exception('Failed to save credentials')
+
+
+class LocalFSAdapter(BaseAdapter):
+
+ def send(self, request, stream=None, timeout=None, verify=None, cert=None,
+ proxies=None):
+ pathname = url_to_path(request.url)
+
+ resp = Response()
+ resp.status_code = 200
+ resp.url = request.url
+
+ try:
+ stats = os.stat(pathname)
+ except OSError as exc:
+ resp.status_code = 404
+ resp.raw = exc
+ else:
+ modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
+ content_type = mimetypes.guess_type(pathname)[0] or "text/plain"
+ resp.headers = CaseInsensitiveDict({
+ "Content-Type": content_type,
+ "Content-Length": stats.st_size,
+ "Last-Modified": modified,
+ })
+
+ resp.raw = open(pathname, "rb")
+ resp.close = resp.raw.close
+
+ return resp
+
+ def close(self):
+ pass
+
+
+class SafeFileCache(FileCache):
+ """
+ A file based cache which is safe to use even when the target directory may
+ not be accessible or writable.
+ """
+
+ def __init__(self, *args, **kwargs):
+ super(SafeFileCache, self).__init__(*args, **kwargs)
+
+ # Check to ensure that the directory containing our cache directory
+ # is owned by the user current executing pip. If it does not exist
+ # we will check the parent directory until we find one that does exist.
+ # If it is not owned by the user executing pip then we will disable
+ # the cache and log a warning.
+ if not check_path_owner(self.directory):
+ logger.warning(
+ "The directory '%s' or its parent directory is not owned by "
+ "the current user and the cache has been disabled. Please "
+ "check the permissions and owner of that directory. If "
+ "executing pip with sudo, you may want sudo's -H flag.",
+ self.directory,
+ )
+
+ # Set our directory to None to disable the Cache
+ self.directory = None
+
+ def get(self, *args, **kwargs):
+ # If we don't have a directory, then the cache should be a no-op.
+ if self.directory is None:
+ return
+
+ try:
+ return super(SafeFileCache, self).get(*args, **kwargs)
+ except (LockError, OSError, IOError):
+ # We intentionally silence this error, if we can't access the cache
+ # then we can just skip caching and process the request as if
+ # caching wasn't enabled.
+ pass
+
+ def set(self, *args, **kwargs):
+ # If we don't have a directory, then the cache should be a no-op.
+ if self.directory is None:
+ return
+
+ try:
+ return super(SafeFileCache, self).set(*args, **kwargs)
+ except (LockError, OSError, IOError):
+ # We intentionally silence this error, if we can't access the cache
+ # then we can just skip caching and process the request as if
+ # caching wasn't enabled.
+ pass
+
+ def delete(self, *args, **kwargs):
+ # If we don't have a directory, then the cache should be a no-op.
+ if self.directory is None:
+ return
+
+ try:
+ return super(SafeFileCache, self).delete(*args, **kwargs)
+ except (LockError, OSError, IOError):
+ # We intentionally silence this error, if we can't access the cache
+ # then we can just skip caching and process the request as if
+ # caching wasn't enabled.
+ pass
+
+
+class InsecureHTTPAdapter(HTTPAdapter):
+
+ def cert_verify(self, conn, url, verify, cert):
+ conn.cert_reqs = 'CERT_NONE'
+ conn.ca_certs = None
+
+
+class PipSession(requests.Session):
+
+ timeout = None # type: Optional[int]
+
+ def __init__(self, *args, **kwargs):
+ retries = kwargs.pop("retries", 0)
+ cache = kwargs.pop("cache", None)
+ insecure_hosts = kwargs.pop("insecure_hosts", [])
+ index_urls = kwargs.pop("index_urls", None)
+
+ super(PipSession, self).__init__(*args, **kwargs)
+
+ # Attach our User Agent to the request
+ self.headers["User-Agent"] = user_agent()
+
+ # Attach our Authentication handler to the session
+ self.auth = MultiDomainBasicAuth(index_urls=index_urls)
+
+ # Create our urllib3.Retry instance which will allow us to customize
+ # how we handle retries.
+ retries = urllib3.Retry(
+ # Set the total number of retries that a particular request can
+ # have.
+ total=retries,
+
+ # A 503 error from PyPI typically means that the Fastly -> Origin
+ # connection got interrupted in some way. A 503 error in general
+ # is typically considered a transient error so we'll go ahead and
+ # retry it.
+ # A 500 may indicate transient error in Amazon S3
+ # A 520 or 527 - may indicate transient error in CloudFlare
+ status_forcelist=[500, 503, 520, 527],
+
+ # Add a small amount of back off between failed requests in
+ # order to prevent hammering the service.
+ backoff_factor=0.25,
+ )
+
+ # We want to _only_ cache responses on securely fetched origins. We do
+ # this because we can't validate the response of an insecurely fetched
+ # origin, and we don't want someone to be able to poison the cache and
+ # require manual eviction from the cache to fix it.
+ if cache:
+ secure_adapter = CacheControlAdapter(
+ cache=SafeFileCache(cache, use_dir_lock=True),
+ max_retries=retries,
+ )
+ else:
+ secure_adapter = HTTPAdapter(max_retries=retries)
+
+ # Our Insecure HTTPAdapter disables HTTPS validation. It does not
+ # support caching (see above) so we'll use it for all http:// URLs as
+ # well as any https:// host that we've marked as ignoring TLS errors
+ # for.
+ insecure_adapter = InsecureHTTPAdapter(max_retries=retries)
+ # Save this for later use in add_insecure_host().
+ self._insecure_adapter = insecure_adapter
+
+ self.mount("https://";, secure_adapter)
+ self.mount("http://";, insecure_adapter)
+
+ # Enable file:// urls
+ self.mount("file://", LocalFSAdapter())
+
+ # We want to use a non-validating adapter for any requests which are
+ # deemed insecure.
+ for host in insecure_hosts:
+ self.add_insecure_host(host)
+
+ def add_insecure_host(self, host):
+ # type: (str) -> None
+ self.mount('https://{}/'.format(host), self._insecure_adapter)
+
+ def request(self, method, url, *args, **kwargs):
+ # Allow setting a default timeout on a session
+ kwargs.setdefault("timeout", self.timeout)
+
+ # Dispatch the actual request
+ return super(PipSession, self).request(method, url, *args, **kwargs)
+
+
+def get_file_content(url, comes_from=None, session=None):
+ # type: (str, Optional[str], Optional[PipSession]) -> Tuple[str, Text]
+ """Gets the content of a file; it may be a filename, file: URL, or
+ http: URL. Returns (location, content). Content is unicode.
+
+ :param url: File path or url.
+ :param comes_from: Origin description of requirements.
+ :param session: Instance of pip.download.PipSession.
+ """
+ if session is None:
+ raise TypeError(
+ "get_file_content() missing 1 required keyword argument: 'session'"
+ )
+
+ match = _scheme_re.search(url)
+ if match:
+ scheme = match.group(1).lower()
+ if (scheme == 'file' and comes_from and
+ comes_from.startswith('http')):
+ raise InstallationError(
+ 'Requirements file %s references URL %s, which is local'
+ % (comes_from, url))
+ if scheme == 'file':
+ path = url.split(':', 1)[1]
+ path = path.replace('\\', '/')
+ match = _url_slash_drive_re.match(path)
+ if match:
+ path = match.group(1) + ':' + path.split('|', 1)[1]
+ path = urllib_parse.unquote(path)
+ if path.startswith('/'):
+ path = '/' + path.lstrip('/')
+ url = path
+ else:
+ # FIXME: catch some errors
+ resp = session.get(url)
+ resp.raise_for_status()
+ return resp.url, resp.text
+ try:
+ with open(url, 'rb') as f:
+ content = auto_decode(f.read())
+ except IOError as exc:
+ raise InstallationError(
+ 'Could not open requirements file: %s' % str(exc)
+ )
+ return url, content
+
+
+_scheme_re = re.compile(r'^(http|https|file):', re.I)
+_url_slash_drive_re = re.compile(r'/*([a-z])\|', re.I)
+
+
+def is_url(name):
+ # type: (Union[str, Text]) -> bool
+ """Returns true if the name looks like a URL"""
+ if ':' not in name:
+ return False
+ scheme = name.split(':', 1)[0].lower()
+ return scheme in ['http', 'https', 'file', 'ftp'] + vcs.all_schemes
+
+
+def url_to_path(url):
+ # type: (str) -> str
+ """
+ Convert a file: URL to a path.
+ """
+ assert url.startswith('file:'), (
+ "You can only turn file: urls into filenames (not %r)" % url)
+
+ _, netloc, path, _, _ = urllib_parse.urlsplit(url)
+
+ if not netloc or netloc == 'localhost':
+ # According to RFC 8089, same as empty authority.
+ netloc = ''
+ elif sys.platform == 'win32':
+ # If we have a UNC path, prepend UNC share notation.
+ netloc = '\\\\' + netloc
+ else:
+ raise ValueError(
+ 'non-local file URIs are not supported on this platform: %r'
+ % url
+ )
+
+ path = urllib_request.url2pathname(netloc + path)
+ return path
+
+
+def is_archive_file(name):
+ # type: (str) -> bool
+ """Return True if `name` is a considered as an archive file."""
+ ext = splitext(name)[1].lower()
+ if ext in ARCHIVE_EXTENSIONS:
+ return True
+ return False
+
+
+def unpack_vcs_link(link, location):
+ vcs_backend = _get_used_vcs_backend(link)
+ vcs_backend.unpack(location, url=link.url)
+
+
+def _get_used_vcs_backend(link):
+ # type: (Link) -> Optional[VersionControl]
+ """
+ Return a VersionControl object or None.
+ """
+ for vcs_backend in vcs.backends:
+ if link.scheme in vcs_backend.schemes:
+ return vcs_backend
+ return None
+
+
+def is_vcs_url(link):
+ # type: (Link) -> bool
+ return bool(_get_used_vcs_backend(link))
+
+
+def is_file_url(link):
+ # type: (Link) -> bool
+ return link.url.lower().startswith('file:')
+
+
+def is_dir_url(link):
+ # type: (Link) -> bool
+ """Return whether a file:// Link points to a directory.
+
+ ``link`` must not have any other scheme but file://. Call is_file_url()
+ first.
+
+ """
+ link_path = url_to_path(link.url_without_fragment)
+ return os.path.isdir(link_path)
+
+
+def _progress_indicator(iterable, *args, **kwargs):
+ return iterable
+
+
+def _download_url(
+ resp, # type: Response
+ link, # type: Link
+ content_file, # type: IO
+ hashes, # type: Optional[Hashes]
+ progress_bar # type: str
+):
+ # type: (...) -> None
+ try:
+ total_length = int(resp.headers['content-length'])
+ except (ValueError, KeyError, TypeError):
+ total_length = 0
+
+ cached_resp = getattr(resp, "from_cache", False)
+ if logger.getEffectiveLevel() > logging.INFO:
+ show_progress = False
+ elif cached_resp:
+ show_progress = False
+ elif total_length > (40 * 1000):
+ show_progress = True
+ elif not total_length:
+ show_progress = True
+ else:
+ show_progress = False
+
+ show_url = link.show_url
+
+ def resp_read(chunk_size):
+ try:
+ # Special case for urllib3.
+ for chunk in resp.raw.stream(
+ chunk_size,
+ # We use decode_content=False here because we don't
+ # want urllib3 to mess with the raw bytes we get
+ # from the server. If we decompress inside of
+ # urllib3 then we cannot verify the checksum
+ # because the checksum will be of the compressed
+ # file. This breakage will only occur if the
+ # server adds a Content-Encoding header, which
+ # depends on how the server was configured:
+ # - Some servers will notice that the file isn't a
+ # compressible file and will leave the file alone
+ # and with an empty Content-Encoding
+ # - Some servers will notice that the file is
+ # already compressed and will leave the file
+ # alone and will add a Content-Encoding: gzip
+ # header
+ # - Some servers won't notice anything at all and
+ # will take a file that's already been compressed
+ # and compress it again and set the
+ # Content-Encoding: gzip header
+ #
+ # By setting this not to decode automatically we
+ # hope to eliminate problems with the second case.
+ decode_content=False):
+ yield chunk
+ except AttributeError:
+ # Standard file-like object.
+ while True:
+ chunk = resp.raw.read(chunk_size)
+ if not chunk:
+ break
+ yield chunk
+
+ def written_chunks(chunks):
+ for chunk in chunks:
+ content_file.write(chunk)
+ yield chunk
+
+ progress_indicator = _progress_indicator
+
+ if link.netloc == PyPI.netloc:
+ url = show_url
+ else:
+ url = link.url_without_fragment
+
+ if show_progress: # We don't show progress on cached responses
+ progress_indicator = DownloadProgressProvider(progress_bar,
+ max=total_length)
+ if total_length:
+ logger.info("Downloading %s (%s)", url, format_size(total_length))
+ else:
+ logger.info("Downloading %s", url)
+ elif cached_resp:
+ logger.info("Using cached %s", url)
+ else:
+ logger.info("Downloading %s", url)
+
+ logger.debug('Downloading from URL %s', link)
+
+ downloaded_chunks = written_chunks(
+ progress_indicator(
+ resp_read(CONTENT_CHUNK_SIZE),
+ CONTENT_CHUNK_SIZE
+ )
+ )
+ if hashes:
+ hashes.check_against_chunks(downloaded_chunks)
+ else:
+ consume(downloaded_chunks)
+
+
+def _copy_file(filename, location, link):
+ copy = True
+ download_location = os.path.join(location, link.filename)
+ if os.path.exists(download_location):
+ response = ask_path_exists(
+ 'The file %s exists. (i)gnore, (w)ipe, (b)ackup, (a)abort' %
+ display_path(download_location), ('i', 'w', 'b', 'a'))
+ if response == 'i':
+ copy = False
+ elif response == 'w':
+ logger.warning('Deleting %s', display_path(download_location))
+ os.remove(download_location)
+ elif response == 'b':
+ dest_file = backup_dir(download_location)
+ logger.warning(
+ 'Backing up %s to %s',
+ display_path(download_location),
+ display_path(dest_file),
+ )
+ shutil.move(download_location, dest_file)
+ elif response == 'a':
+ sys.exit(-1)
+ if copy:
+ shutil.copy(filename, download_location)
+ logger.info('Saved %s', display_path(download_location))
+
+
+def unpack_http_url(
+ link, # type: Link
+ location, # type: str
+ download_dir=None, # type: Optional[str]
+ session=None, # type: Optional[PipSession]
+ hashes=None, # type: Optional[Hashes]
+ progress_bar="on" # type: str
+):
+ # type: (...) -> None
+ if session is None:
+ raise TypeError(
+ "unpack_http_url() missing 1 required keyword argument: 'session'"
+ )
+
+ with TempDirectory(kind="unpack") as temp_dir:
+ # If a download dir is specified, is the file already downloaded there?
+ already_downloaded_path = None
+ if download_dir:
+ already_downloaded_path = _check_download_dir(link,
+ download_dir,
+ hashes)
+
+ if already_downloaded_path:
+ from_path = already_downloaded_path
+ content_type = mimetypes.guess_type(from_path)[0]
+ else:
+ # let's download to a tmp dir
+ from_path, content_type = _download_http_url(link,
+ session,
+ temp_dir.path,
+ hashes,
+ progress_bar)
+
+ # unpack the archive to the build dir location. even when only
+ # downloading archives, they have to be unpacked to parse dependencies
+ unpack_file(from_path, location, content_type, link)
+
+ # a download dir is specified; let's copy the archive there
+ if download_dir and not already_downloaded_path:
+ _copy_file(from_path, download_dir, link)
+
+ if not already_downloaded_path:
+ os.unlink(from_path)
+
+
+def unpack_file_url(
+ link, # type: Link
+ location, # type: str
+ download_dir=None, # type: Optional[str]
+ hashes=None # type: Optional[Hashes]
+):
+ # type: (...) -> None
+ """Unpack link into location.
+
+ If download_dir is provided and link points to a file, make a copy
+ of the link file inside download_dir.
+ """
+ link_path = url_to_path(link.url_without_fragment)
+
+ # If it's a url to a local directory
+ if is_dir_url(link):
+ if os.path.isdir(location):
+ rmtree(location)
+ shutil.copytree(link_path, location, symlinks=True)
+ if download_dir:
+ logger.info('Link is a directory, ignoring download_dir')
+ return
+
+ # If --require-hashes is off, `hashes` is either empty, the
+ # link's embedded hash, or MissingHashes; it is required to
+ # match. If --require-hashes is on, we are satisfied by any
+ # hash in `hashes` matching: a URL-based or an option-based
+ # one; no internet-sourced hash will be in `hashes`.
+ if hashes:
+ hashes.check_against_path(link_path)
+
+ # If a download dir is specified, is the file already there and valid?
+ already_downloaded_path = None
+ if download_dir:
+ already_downloaded_path = _check_download_dir(link,
+ download_dir,
+ hashes)
+
+ if already_downloaded_path:
+ from_path = already_downloaded_path
+ else:
+ from_path = link_path
+
+ content_type = mimetypes.guess_type(from_path)[0]
+
+ # unpack the archive to the build dir location. even when only downloading
+ # archives, they have to be unpacked to parse dependencies
+ unpack_file(from_path, location, content_type, link)
+
+ # a download dir is specified and not already downloaded
+ if download_dir and not already_downloaded_path:
+ _copy_file(from_path, download_dir, link)
+
+
+class PipXmlrpcTransport(xmlrpc_client.Transport):
+ """Provide a `xmlrpclib.Transport` implementation via a `PipSession`
+ object.
+ """
+
+ def __init__(self, index_url, session, use_datetime=False):
+ xmlrpc_client.Transport.__init__(self, use_datetime)
+ index_parts = urllib_parse.urlparse(index_url)
+ self._scheme = index_parts.scheme
+ self._session = session
+
+ def request(self, host, handler, request_body, verbose=False):
+ parts = (self._scheme, host, handler, None, None, None)
+ url = urllib_parse.urlunparse(parts)
+ try:
+ headers = {'Content-Type': 'text/xml'}
+ response = self._session.post(url, data=request_body,
+ headers=headers, stream=True)
+ response.raise_for_status()
+ self.verbose = verbose
+ return self.parse_response(response.raw)
+ except requests.HTTPError as exc:
+ logger.critical(
+ "HTTP error %s while getting %s",
+ exc.response.status_code, url,
+ )
+ raise
+
+
+def unpack_url(
+ link, # type: Link
+ location, # type: str
+ download_dir=None, # type: Optional[str]
+ only_download=False, # type: bool
+ session=None, # type: Optional[PipSession]
+ hashes=None, # type: Optional[Hashes]
+ progress_bar="on" # type: str
+):
+ # type: (...) -> None
+ """Unpack link.
+ If link is a VCS link:
+ if only_download, export into download_dir and ignore location
+ else unpack into location
+ for other types of link:
+ - unpack into location
+ - if download_dir, copy the file into download_dir
+ - if only_download, mark location for deletion
+
+ :param hashes: A Hashes object, one of whose embedded hashes must match,
+ or HashMismatch will be raised. If the Hashes is empty, no matches are
+ required, and unhashable types of requirements (like VCS ones, which
+ would ordinarily raise HashUnsupported) are allowed.
+ """
+ # non-editable vcs urls
+ if is_vcs_url(link):
+ unpack_vcs_link(link, location)
+
+ # file urls
+ elif is_file_url(link):
+ unpack_file_url(link, location, download_dir, hashes=hashes)
+
+ # http urls
+ else:
+ if session is None:
+ session = PipSession()
+
+ unpack_http_url(
+ link,
+ location,
+ download_dir,
+ session,
+ hashes=hashes,
+ progress_bar=progress_bar
+ )
+ if only_download:
+ write_delete_marker_file(location)
+
+
+def sanitize_content_filename(filename):
+ # type: (str) -> str
+ """
+ Sanitize the "filename" value from a Content-Disposition header.
+ """
+ return os.path.basename(filename)
+
+
+def parse_content_disposition(content_disposition, default_filename):
+ # type: (str, str) -> str
+ """
+ Parse the "filename" value from a Content-Disposition header, and
+ return the default filename if the result is empty.
+ """
+ _type, params = cgi.parse_header(content_disposition)
+ filename = params.get('filename')
+ if filename:
+ # We need to sanitize the filename to prevent directory traversal
+ # in case the filename contains ".." path parts.
+ filename = sanitize_content_filename(filename)
+ return filename or default_filename
+
+
+def _download_http_url(
+ link, # type: Link
+ session, # type: PipSession
+ temp_dir, # type: str
+ hashes, # type: Optional[Hashes]
+ progress_bar # type: str
+):
+ # type: (...) -> Tuple[str, str]
+ """Download link url into temp_dir using provided session"""
+ target_url = link.url.split('#', 1)[0]
+ try:
+ resp = session.get(
+ target_url,
+ # We use Accept-Encoding: identity here because requests
+ # defaults to accepting compressed responses. This breaks in
+ # a variety of ways depending on how the server is configured.
+ # - Some servers will notice that the file isn't a compressible
+ # file and will leave the file alone and with an empty
+ # Content-Encoding
+ # - Some servers will notice that the file is already
+ # compressed and will leave the file alone and will add a
+ # Content-Encoding: gzip header
+ # - Some servers won't notice anything at all and will take
+ # a file that's already been compressed and compress it again
+ # and set the Content-Encoding: gzip header
+ # By setting this to request only the identity encoding We're
+ # hoping to eliminate the third case. Hopefully there does not
+ # exist a server which when given a file will notice it is
+ # already compressed and that you're not asking for a
+ # compressed file and will then decompress it before sending
+ # because if that's the case I don't think it'll ever be
+ # possible to make this work.
+ headers={"Accept-Encoding": "identity"},
+ stream=True,
+ )
+ resp.raise_for_status()
+ except requests.HTTPError as exc:
+ logger.critical(
+ "HTTP error %s while getting %s", exc.response.status_code, link,
+ )
+ raise
+
+ content_type = resp.headers.get('content-type', '')
+ filename = link.filename # fallback
+ # Have a look at the Content-Disposition header for a better guess
+ content_disposition = resp.headers.get('content-disposition')
+ if content_disposition:
+ filename = parse_content_disposition(content_disposition, filename)
+ ext = splitext(filename)[1] # type: Optional[str]
+ if not ext:
+ ext = mimetypes.guess_extension(content_type)
+ if ext:
+ filename += ext
+ if not ext and link.url != resp.url:
+ ext = os.path.splitext(resp.url)[1]
+ if ext:
+ filename += ext
+ file_path = os.path.join(temp_dir, filename)
+ with open(file_path, 'wb') as content_file:
+ _download_url(resp, link, content_file, hashes, progress_bar)
+ return file_path, content_type
+
+
+def _check_download_dir(link, download_dir, hashes):
+ # type: (Link, str, Optional[Hashes]) -> Optional[str]
+ """ Check download_dir for previously downloaded file with correct hash
+ If a correct file is found return its path else None
+ """
+ download_path = os.path.join(download_dir, link.filename)
+ if os.path.exists(download_path):
+ # If already downloaded, does its hash match?
+ logger.info('File was already downloaded %s', download_path)
+ if hashes:
+ try:
+ hashes.check_against_path(download_path)
+ except HashMismatch:
+ logger.warning(
+ 'Previously-downloaded file %s has bad hash. '
+ 'Re-downloading.',
+ download_path
+ )
+ os.unlink(download_path)
+ return None
+ return download_path
+ return None
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/exceptions.py b/venv/lib/python3.7/site-packages/pip/_internal/exceptions.py
new file mode 100644
index 0000000..096adcd
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/exceptions.py
@@ -0,0 +1,305 @@
+"""Exceptions used throughout package"""
+from __future__ import absolute_import
+
+from itertools import chain, groupby, repeat
+
+from pip._vendor.six import iteritems
+
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+if MYPY_CHECK_RUNNING:
+ from typing import Optional
+ from pip._vendor.pkg_resources import Distribution
+ from pip._internal.req.req_install import InstallRequirement
+
+
+class PipError(Exception):
+ """Base pip exception"""
+
+
+class ConfigurationError(PipError):
+ """General exception in configuration"""
+
+
+class InstallationError(PipError):
+ """General exception during installation"""
+
+
+class UninstallationError(PipError):
+ """General exception during uninstallation"""
+
+
+class NoneMetadataError(PipError):
+ """
+ Raised when accessing "METADATA" or "PKG-INFO" metadata for a
+ pip._vendor.pkg_resources.Distribution object and
+ `dist.has_metadata('METADATA')` returns True but
+ `dist.get_metadata('METADATA')` returns None (and similarly for
+ "PKG-INFO").
+ """
+
+ def __init__(self, dist, metadata_name):
+ # type: (Distribution, str) -> None
+ """
+ :param dist: A Distribution object.
+ :param metadata_name: The name of the metadata being accessed
+ (can be "METADATA" or "PKG-INFO").
+ """
+ self.dist = dist
+ self.metadata_name = metadata_name
+
+ def __str__(self):
+ # type: () -> str
+ # Use `dist` in the error message because its stringification
+ # includes more information, like the version and location.
+ return (
+ 'None {} metadata found for distribution: {}'.format(
+ self.metadata_name, self.dist,
+ )
+ )
+
+
+class DistributionNotFound(InstallationError):
+ """Raised when a distribution cannot be found to satisfy a requirement"""
+
+
+class RequirementsFileParseError(InstallationError):
+ """Raised when a general error occurs parsing a requirements file line."""
+
+
+class BestVersionAlreadyInstalled(PipError):
+ """Raised when the most up-to-date version of a package is already
+ installed."""
+
+
+class BadCommand(PipError):
+ """Raised when virtualenv or a command is not found"""
+
+
+class CommandError(PipError):
+ """Raised when there is an error in command-line arguments"""
+
+
+class PreviousBuildDirError(PipError):
+ """Raised when there's a previous conflicting build directory"""
+
+
+class InvalidWheelFilename(InstallationError):
+ """Invalid wheel filename."""
+
+
+class UnsupportedWheel(InstallationError):
+ """Unsupported wheel."""
+
+
+class HashErrors(InstallationError):
+ """Multiple HashError instances rolled into one for reporting"""
+
+ def __init__(self):
+ self.errors = []
+
+ def append(self, error):
+ self.errors.append(error)
+
+ def __str__(self):
+ lines = []
+ self.errors.sort(key=lambda e: e.order)
+ for cls, errors_of_cls in groupby(self.errors, lambda e: e.__class__):
+ lines.append(cls.head)
+ lines.extend(e.body() for e in errors_of_cls)
+ if lines:
+ return '\n'.join(lines)
+
+ def __nonzero__(self):
+ return bool(self.errors)
+
+ def __bool__(self):
+ return self.__nonzero__()
+
+
+class HashError(InstallationError):
+ """
+ A failure to verify a package against known-good hashes
+
+ :cvar order: An int sorting hash exception classes by difficulty of
+ recovery (lower being harder), so the user doesn't bother fretting
+ about unpinned packages when he has deeper issues, like VCS
+ dependencies, to deal with. Also keeps error reports in a
+ deterministic order.
+ :cvar head: A section heading for display above potentially many
+ exceptions of this kind
+ :ivar req: The InstallRequirement that triggered this error. This is
+ pasted on after the exception is instantiated, because it's not
+ typically available earlier.
+
+ """
+ req = None # type: Optional[InstallRequirement]
+ head = ''
+
+ def body(self):
+ """Return a summary of me for display under the heading.
+
+ This default implementation simply prints a description of the
+ triggering requirement.
+
+ :param req: The InstallRequirement that provoked this error, with
+ populate_link() having already been called
+
+ """
+ return ' %s' % self._requirement_name()
+
+ def __str__(self):
+ return '%s\n%s' % (self.head, self.body())
+
+ def _requirement_name(self):
+ """Return a description of the requirement that triggered me.
+
+ This default implementation returns long description of the req, with
+ line numbers
+
+ """
+ return str(self.req) if self.req else 'unknown package'
+
+
+class VcsHashUnsupported(HashError):
+ """A hash was provided for a version-control-system-based requirement, but
+ we don't have a method for hashing those."""
+
+ order = 0
+ head = ("Can't verify hashes for these requirements because we don't "
+ "have a way to hash version control repositories:")
+
+
+class DirectoryUrlHashUnsupported(HashError):
+ """A hash was provided for a version-control-system-based requirement, but
+ we don't have a method for hashing those."""
+
+ order = 1
+ head = ("Can't verify hashes for these file:// requirements because they "
+ "point to directories:")
+
+
+class HashMissing(HashError):
+ """A hash was needed for a requirement but is absent."""
+
+ order = 2
+ head = ('Hashes are required in --require-hashes mode, but they are '
+ 'missing from some requirements. Here is a list of those '
+ 'requirements along with the hashes their downloaded archives '
+ 'actually had. Add lines like these to your requirements files to '
+ 'prevent tampering. (If you did not enable --require-hashes '
+ 'manually, note that it turns on automatically when any package '
+ 'has a hash.)')
+
+ def __init__(self, gotten_hash):
+ """
+ :param gotten_hash: The hash of the (possibly malicious) archive we
+ just downloaded
+ """
+ self.gotten_hash = gotten_hash
+
+ def body(self):
+ # Dodge circular import.
+ from pip._internal.utils.hashes import FAVORITE_HASH
+
+ package = None
+ if self.req:
+ # In the case of URL-based requirements, display the original URL
+ # seen in the requirements file rather than the package name,
+ # so the output can be directly copied into the requirements file.
+ package = (self.req.original_link if self.req.original_link
+ # In case someone feeds something downright stupid
+ # to InstallRequirement's constructor.
+ else getattr(self.req, 'req', None))
+ return ' %s --hash=%s:%s' % (package or 'unknown package',
+ FAVORITE_HASH,
+ self.gotten_hash)
+
+
+class HashUnpinned(HashError):
+ """A requirement had a hash specified but was not pinned to a specific
+ version."""
+
+ order = 3
+ head = ('In --require-hashes mode, all requirements must have their '
+ 'versions pinned with ==. These do not:')
+
+
+class HashMismatch(HashError):
+ """
+ Distribution file hash values don't match.
+
+ :ivar package_name: The name of the package that triggered the hash
+ mismatch. Feel free to write to this after the exception is raise to
+ improve its error message.
+
+ """
+ order = 4
+ head = ('THESE PACKAGES DO NOT MATCH THE HASHES FROM THE REQUIREMENTS '
+ 'FILE. If you have updated the package versions, please update '
+ 'the hashes. Otherwise, examine the package contents carefully; '
+ 'someone may have tampered with them.')
+
+ def __init__(self, allowed, gots):
+ """
+ :param allowed: A dict of algorithm names pointing to lists of allowed
+ hex digests
+ :param gots: A dict of algorithm names pointing to hashes we
+ actually got from the files under suspicion
+ """
+ self.allowed = allowed
+ self.gots = gots
+
+ def body(self):
+ return ' %s:\n%s' % (self._requirement_name(),
+ self._hash_comparison())
+
+ def _hash_comparison(self):
+ """
+ Return a comparison of actual and expected hash values.
+
+ Example::
+
+ Expected sha256 abcdeabcdeabcdeabcdeabcdeabcdeabcdeabcdeabcde
+ or 123451234512345123451234512345123451234512345
+ Got bcdefbcdefbcdefbcdefbcdefbcdefbcdefbcdefbcdef
+
+ """
+ def hash_then_or(hash_name):
+ # For now, all the decent hashes have 6-char names, so we can get
+ # away with hard-coding space literals.
+ return chain([hash_name], repeat(' or'))
+
+ lines = []
+ for hash_name, expecteds in iteritems(self.allowed):
+ prefix = hash_then_or(hash_name)
+ lines.extend((' Expected %s %s' % (next(prefix), e))
+ for e in expecteds)
+ lines.append(' Got %s\n' %
+ self.gots[hash_name].hexdigest())
+ prefix = ' or'
+ return '\n'.join(lines)
+
+
+class UnsupportedPythonVersion(InstallationError):
+ """Unsupported python version according to Requires-Python package
+ metadata."""
+
+
+class ConfigurationFileCouldNotBeLoaded(ConfigurationError):
+ """When there are errors while loading a configuration file
+ """
+
+ def __init__(self, reason="could not be loaded", fname=None, error=None):
+ super(ConfigurationFileCouldNotBeLoaded, self).__init__(error)
+ self.reason = reason
+ self.fname = fname
+ self.error = error
+
+ def __str__(self):
+ if self.fname is not None:
+ message_part = " in {}.".format(self.fname)
+ else:
+ assert self.error is not None
+ message_part = ".\n{}\n".format(self.error.message)
+ return "Configuration file {}{}".format(self.reason, message_part)
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/index.py b/venv/lib/python3.7/site-packages/pip/_internal/index.py
new file mode 100644
index 0000000..a1aaad5
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/index.py
@@ -0,0 +1,1508 @@
+"""Routines related to PyPI, indexes"""
+from __future__ import absolute_import
+
+import cgi
+import itertools
+import logging
+import mimetypes
+import os
+import re
+
+from pip._vendor import html5lib, requests, six
+from pip._vendor.distlib.compat import unescape
+from pip._vendor.packaging import specifiers
+from pip._vendor.packaging.utils import canonicalize_name
+from pip._vendor.packaging.version import parse as parse_version
+from pip._vendor.requests.exceptions import HTTPError, RetryError, SSLError
+from pip._vendor.six.moves.urllib import parse as urllib_parse
+from pip._vendor.six.moves.urllib import request as urllib_request
+
+from pip._internal.download import is_url, url_to_path
+from pip._internal.exceptions import (
+ BestVersionAlreadyInstalled, DistributionNotFound, InvalidWheelFilename,
+ UnsupportedWheel,
+)
+from pip._internal.models.candidate import InstallationCandidate
+from pip._internal.models.format_control import FormatControl
+from pip._internal.models.link import Link
+from pip._internal.models.selection_prefs import SelectionPreferences
+from pip._internal.models.target_python import TargetPython
+from pip._internal.utils.compat import ipaddress
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import (
+ ARCHIVE_EXTENSIONS, SUPPORTED_EXTENSIONS, WHEEL_EXTENSION, path_to_url,
+ redact_password_from_url,
+)
+from pip._internal.utils.packaging import check_requires_python
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+from pip._internal.wheel import Wheel
+
+if MYPY_CHECK_RUNNING:
+ from logging import Logger
+ from typing import (
+ Any, Callable, FrozenSet, Iterable, Iterator, List, MutableMapping,
+ Optional, Sequence, Set, Text, Tuple, Union,
+ )
+ import xml.etree.ElementTree
+ from pip._vendor.packaging.version import _BaseVersion
+ from pip._vendor.requests import Response
+ from pip._internal.models.search_scope import SearchScope
+ from pip._internal.req import InstallRequirement
+ from pip._internal.download import PipSession
+ from pip._internal.pep425tags import Pep425Tag
+ from pip._internal.utils.hashes import Hashes
+
+ BuildTag = Tuple[Any, ...] # either empty tuple or Tuple[int, str]
+ CandidateSortingKey = (
+ Tuple[int, int, int, _BaseVersion, BuildTag, Optional[int]]
+ )
+ HTMLElement = xml.etree.ElementTree.Element
+ SecureOrigin = Tuple[str, str, Optional[str]]
+
+
+__all__ = ['FormatControl', 'FoundCandidates', 'PackageFinder']
+
+
+SECURE_ORIGINS = [
+ # protocol, hostname, port
+ # Taken from Chrome's list of secure origins (See: http://bit.ly/1qrySKC)
+ ("https", "*", "*"),
+ ("*", "localhost", "*"),
+ ("*", "127.0.0.0/8", "*"),
+ ("*", "::1/128", "*"),
+ ("file", "*", None),
+ # ssh is always secure.
+ ("ssh", "*", "*"),
+] # type: List[SecureOrigin]
+
+
+logger = logging.getLogger(__name__)
+
+
+def _match_vcs_scheme(url):
+ # type: (str) -> Optional[str]
+ """Look for VCS schemes in the URL.
+
+ Returns the matched VCS scheme, or None if there's no match.
+ """
+ from pip._internal.vcs import vcs
+ for scheme in vcs.schemes:
+ if url.lower().startswith(scheme) and url[len(scheme)] in '+:':
+ return scheme
+ return None
+
+
+def _is_url_like_archive(url):
+ # type: (str) -> bool
+ """Return whether the URL looks like an archive.
+ """
+ filename = Link(url).filename
+ for bad_ext in ARCHIVE_EXTENSIONS:
+ if filename.endswith(bad_ext):
+ return True
+ return False
+
+
+class _NotHTML(Exception):
+ def __init__(self, content_type, request_desc):
+ # type: (str, str) -> None
+ super(_NotHTML, self).__init__(content_type, request_desc)
+ self.content_type = content_type
+ self.request_desc = request_desc
+
+
+def _ensure_html_header(response):
+ # type: (Response) -> None
+ """Check the Content-Type header to ensure the response contains HTML.
+
+ Raises `_NotHTML` if the content type is not text/html.
+ """
+ content_type = response.headers.get("Content-Type", "")
+ if not content_type.lower().startswith("text/html"):
+ raise _NotHTML(content_type, response.request.method)
+
+
+class _NotHTTP(Exception):
+ pass
+
+
+def _ensure_html_response(url, session):
+ # type: (str, PipSession) -> None
+ """Send a HEAD request to the URL, and ensure the response contains HTML.
+
+ Raises `_NotHTTP` if the URL is not available for a HEAD request, or
+ `_NotHTML` if the content type is not text/html.
+ """
+ scheme, netloc, path, query, fragment = urllib_parse.urlsplit(url)
+ if scheme not in {'http', 'https'}:
+ raise _NotHTTP()
+
+ resp = session.head(url, allow_redirects=True)
+ resp.raise_for_status()
+
+ _ensure_html_header(resp)
+
+
+def _get_html_response(url, session):
+ # type: (str, PipSession) -> Response
+ """Access an HTML page with GET, and return the response.
+
+ This consists of three parts:
+
+ 1. If the URL looks suspiciously like an archive, send a HEAD first to
+ check the Content-Type is HTML, to avoid downloading a large file.
+ Raise `_NotHTTP` if the content type cannot be determined, or
+ `_NotHTML` if it is not HTML.
+ 2. Actually perform the request. Raise HTTP exceptions on network failures.
+ 3. Check the Content-Type header to make sure we got HTML, and raise
+ `_NotHTML` otherwise.
+ """
+ if _is_url_like_archive(url):
+ _ensure_html_response(url, session=session)
+
+ logger.debug('Getting page %s', redact_password_from_url(url))
+
+ resp = session.get(
+ url,
+ headers={
+ "Accept": "text/html",
+ # We don't want to blindly returned cached data for
+ # /simple/, because authors generally expecting that
+ # twine upload && pip install will function, but if
+ # they've done a pip install in the last ~10 minutes
+ # it won't. Thus by setting this to zero we will not
+ # blindly use any cached data, however the benefit of
+ # using max-age=0 instead of no-cache, is that we will
+ # still support conditional requests, so we will still
+ # minimize traffic sent in cases where the page hasn't
+ # changed at all, we will just always incur the round
+ # trip for the conditional GET now instead of only
+ # once per 10 minutes.
+ # For more information, please see pypa/pip#5670.
+ "Cache-Control": "max-age=0",
+ },
+ )
+ resp.raise_for_status()
+
+ # The check for archives above only works if the url ends with
+ # something that looks like an archive. However that is not a
+ # requirement of an url. Unless we issue a HEAD request on every
+ # url we cannot know ahead of time for sure if something is HTML
+ # or not. However we can check after we've downloaded it.
+ _ensure_html_header(resp)
+
+ return resp
+
+
+def _handle_get_page_fail(
+ link, # type: Link
+ reason, # type: Union[str, Exception]
+ meth=None # type: Optional[Callable[..., None]]
+):
+ # type: (...) -> None
+ if meth is None:
+ meth = logger.debug
+ meth("Could not fetch URL %s: %s - skipping", link, reason)
+
+
+def _get_html_page(link, session=None):
+ # type: (Link, Optional[PipSession]) -> Optional[HTMLPage]
+ if session is None:
+ raise TypeError(
+ "_get_html_page() missing 1 required keyword argument: 'session'"
+ )
+
+ url = link.url.split('#', 1)[0]
+
+ # Check for VCS schemes that do not support lookup as web pages.
+ vcs_scheme = _match_vcs_scheme(url)
+ if vcs_scheme:
+ logger.debug('Cannot look at %s URL %s', vcs_scheme, link)
+ return None
+
+ # Tack index.html onto file:// URLs that point to directories
+ scheme, _, path, _, _, _ = urllib_parse.urlparse(url)
+ if (scheme == 'file' and os.path.isdir(urllib_request.url2pathname(path))):
+ # add trailing slash if not present so urljoin doesn't trim
+ # final segment
+ if not url.endswith('/'):
+ url += '/'
+ url = urllib_parse.urljoin(url, 'index.html')
+ logger.debug(' file: URL is directory, getting %s', url)
+
+ try:
+ resp = _get_html_response(url, session=session)
+ except _NotHTTP:
+ logger.debug(
+ 'Skipping page %s because it looks like an archive, and cannot '
+ 'be checked by HEAD.', link,
+ )
+ except _NotHTML as exc:
+ logger.debug(
+ 'Skipping page %s because the %s request got Content-Type: %s',
+ link, exc.request_desc, exc.content_type,
+ )
+ except HTTPError as exc:
+ _handle_get_page_fail(link, exc)
+ except RetryError as exc:
+ _handle_get_page_fail(link, exc)
+ except SSLError as exc:
+ reason = "There was a problem confirming the ssl certificate: "
+ reason += str(exc)
+ _handle_get_page_fail(link, reason, meth=logger.info)
+ except requests.ConnectionError as exc:
+ _handle_get_page_fail(link, "connection error: %s" % exc)
+ except requests.Timeout:
+ _handle_get_page_fail(link, "timed out")
+ else:
+ return HTMLPage(resp.content, resp.url, resp.headers)
+ return None
+
+
+def _check_link_requires_python(
+ link, # type: Link
+ version_info, # type: Tuple[int, int, int]
+ ignore_requires_python=False, # type: bool
+):
+ # type: (...) -> bool
+ """
+ Return whether the given Python version is compatible with a link's
+ "Requires-Python" value.
+
+ :param version_info: A 3-tuple of ints representing the Python
+ major-minor-micro version to check.
+ :param ignore_requires_python: Whether to ignore the "Requires-Python"
+ value if the given Python version isn't compatible.
+ """
+ try:
+ is_compatible = check_requires_python(
+ link.requires_python, version_info=version_info,
+ )
+ except specifiers.InvalidSpecifier:
+ logger.debug(
+ "Ignoring invalid Requires-Python (%r) for link: %s",
+ link.requires_python, link,
+ )
+ else:
+ if not is_compatible:
+ version = '.'.join(map(str, version_info))
+ if not ignore_requires_python:
+ logger.debug(
+ 'Link requires a different Python (%s not in: %r): %s',
+ version, link.requires_python, link,
+ )
+ return False
+
+ logger.debug(
+ 'Ignoring failed Requires-Python check (%s not in: %r) '
+ 'for link: %s',
+ version, link.requires_python, link,
+ )
+
+ return True
+
+
+class LinkEvaluator(object):
+
+ """
+ Responsible for evaluating links for a particular project.
+ """
+
+ _py_version_re = re.compile(r'-py([123]\.?[0-9]?)$')
+
+ # Don't include an allow_yanked default value to make sure each call
+ # site considers whether yanked releases are allowed. This also causes
+ # that decision to be made explicit in the calling code, which helps
+ # people when reading the code.
+ def __init__(
+ self,
+ project_name, # type: str
+ canonical_name, # type: str
+ formats, # type: FrozenSet
+ target_python, # type: TargetPython
+ allow_yanked, # type: bool
+ ignore_requires_python=None, # type: Optional[bool]
+ ):
+ # type: (...) -> None
+ """
+ :param project_name: The user supplied package name.
+ :param canonical_name: The canonical package name.
+ :param formats: The formats allowed for this package. Should be a set
+ with 'binary' or 'source' or both in it.
+ :param target_python: The target Python interpreter to use when
+ evaluating link compatibility. This is used, for example, to
+ check wheel compatibility, as well as when checking the Python
+ version, e.g. the Python version embedded in a link filename
+ (or egg fragment) and against an HTML link's optional PEP 503
+ "data-requires-python" attribute.
+ :param allow_yanked: Whether files marked as yanked (in the sense
+ of PEP 592) are permitted to be candidates for install.
+ :param ignore_requires_python: Whether to ignore incompatible
+ PEP 503 "data-requires-python" values in HTML links. Defaults
+ to False.
+ """
+ if ignore_requires_python is None:
+ ignore_requires_python = False
+
+ self._allow_yanked = allow_yanked
+ self._canonical_name = canonical_name
+ self._ignore_requires_python = ignore_requires_python
+ self._formats = formats
+ self._target_python = target_python
+
+ self.project_name = project_name
+
+ def evaluate_link(self, link):
+ # type: (Link) -> Tuple[bool, Optional[Text]]
+ """
+ Determine whether a link is a candidate for installation.
+
+ :return: A tuple (is_candidate, result), where `result` is (1) a
+ version string if `is_candidate` is True, and (2) if
+ `is_candidate` is False, an optional string to log the reason
+ the link fails to qualify.
+ """
+ version = None
+ if link.is_yanked and not self._allow_yanked:
+ reason = link.yanked_reason or '<none given>'
+ # Mark this as a unicode string to prevent "UnicodeEncodeError:
+ # 'ascii' codec can't encode character" in Python 2 when
+ # the reason contains non-ascii characters.
+ return (False, u'yanked for reason: {}'.format(reason))
+
+ if link.egg_fragment:
+ egg_info = link.egg_fragment
+ ext = link.ext
+ else:
+ egg_info, ext = link.splitext()
+ if not ext:
+ return (False, 'not a file')
+ if ext not in SUPPORTED_EXTENSIONS:
+ return (False, 'unsupported archive format: %s' % ext)
+ if "binary" not in self._formats and ext == WHEEL_EXTENSION:
+ reason = 'No binaries permitted for %s' % self.project_name
+ return (False, reason)
+ if "macosx10" in link.path and ext == '.zip':
+ return (False, 'macosx10 one')
+ if ext == WHEEL_EXTENSION:
+ try:
+ wheel = Wheel(link.filename)
+ except InvalidWheelFilename:
+ return (False, 'invalid wheel filename')
+ if canonicalize_name(wheel.name) != self._canonical_name:
+ reason = 'wrong project name (not %s)' % self.project_name
+ return (False, reason)
+
+ supported_tags = self._target_python.get_tags()
+ if not wheel.supported(supported_tags):
+ # Include the wheel's tags in the reason string to
+ # simplify troubleshooting compatibility issues.
+ file_tags = wheel.get_formatted_file_tags()
+ reason = (
+ "none of the wheel's tags match: {}".format(
+ ', '.join(file_tags)
+ )
+ )
+ return (False, reason)
+
+ version = wheel.version
+
+ # This should be up by the self.ok_binary check, but see issue 2700.
+ if "source" not in self._formats and ext != WHEEL_EXTENSION:
+ return (False, 'No sources permitted for %s' % self.project_name)
+
+ if not version:
+ version = _extract_version_from_fragment(
+ egg_info, self._canonical_name,
+ )
+ if not version:
+ return (
+ False, 'Missing project version for %s' % self.project_name,
+ )
+
+ match = self._py_version_re.search(version)
+ if match:
+ version = version[:match.start()]
+ py_version = match.group(1)
+ if py_version != self._target_python.py_version:
+ return (False, 'Python version is incorrect')
+
+ supports_python = _check_link_requires_python(
+ link, version_info=self._target_python.py_version_info,
+ ignore_requires_python=self._ignore_requires_python,
+ )
+ if not supports_python:
+ # Return None for the reason text to suppress calling
+ # _log_skipped_link().
+ return (False, None)
+
+ logger.debug('Found link %s, version: %s', link, version)
+
+ return (True, version)
+
+
+def filter_unallowed_hashes(
+ candidates, # type: List[InstallationCandidate]
+ hashes, # type: Hashes
+ project_name, # type: str
+):
+ # type: (...) -> List[InstallationCandidate]
+ """
+ Filter out candidates whose hashes aren't allowed, and return a new
+ list of candidates.
+
+ If at least one candidate has an allowed hash, then all candidates with
+ either an allowed hash or no hash specified are returned. Otherwise,
+ the given candidates are returned.
+
+ Including the candidates with no hash specified when there is a match
+ allows a warning to be logged if there is a more preferred candidate
+ with no hash specified. Returning all candidates in the case of no
+ matches lets pip report the hash of the candidate that would otherwise
+ have been installed (e.g. permitting the user to more easily update
+ their requirements file with the desired hash).
+ """
+ if not hashes:
+ logger.debug(
+ 'Given no hashes to check %s links for project %r: '
+ 'discarding no candidates',
+ len(candidates),
+ project_name,
+ )
+ # Make sure we're not returning back the given value.
+ return list(candidates)
+
+ matches_or_no_digest = []
+ # Collect the non-matches for logging purposes.
+ non_matches = []
+ match_count = 0
+ for candidate in candidates:
+ link = candidate.link
+ if not link.has_hash:
+ pass
+ elif link.is_hash_allowed(hashes=hashes):
+ match_count += 1
+ else:
+ non_matches.append(candidate)
+ continue
+
+ matches_or_no_digest.append(candidate)
+
+ if match_count:
+ filtered = matches_or_no_digest
+ else:
+ # Make sure we're not returning back the given value.
+ filtered = list(candidates)
+
+ if len(filtered) == len(candidates):
+ discard_message = 'discarding no candidates'
+ else:
+ discard_message = 'discarding {} non-matches:\n {}'.format(
+ len(non_matches),
+ '\n '.join(str(candidate.link) for candidate in non_matches)
+ )
+
+ logger.debug(
+ 'Checked %s links for project %r against %s hashes '
+ '(%s matches, %s no digest): %s',
+ len(candidates),
+ project_name,
+ hashes.digest_count,
+ match_count,
+ len(matches_or_no_digest) - match_count,
+ discard_message
+ )
+
+ return filtered
+
+
+class CandidatePreferences(object):
+
+ """
+ Encapsulates some of the preferences for filtering and sorting
+ InstallationCandidate objects.
+ """
+
+ def __init__(
+ self,
+ prefer_binary=False, # type: bool
+ allow_all_prereleases=False, # type: bool
+ ):
+ # type: (...) -> None
+ """
+ :param allow_all_prereleases: Whether to allow all pre-releases.
+ """
+ self.allow_all_prereleases = allow_all_prereleases
+ self.prefer_binary = prefer_binary
+
+
+class CandidateEvaluator(object):
+
+ """
+ Responsible for filtering and sorting candidates for installation based
+ on what tags are valid.
+ """
+
+ @classmethod
+ def create(
+ cls,
+ project_name, # type: str
+ target_python=None, # type: Optional[TargetPython]
+ prefer_binary=False, # type: bool
+ allow_all_prereleases=False, # type: bool
+ specifier=None, # type: Optional[specifiers.BaseSpecifier]
+ hashes=None, # type: Optional[Hashes]
+ ):
+ # type: (...) -> CandidateEvaluator
+ """Create a CandidateEvaluator object.
+
+ :param target_python: The target Python interpreter to use when
+ checking compatibility. If None (the default), a TargetPython
+ object will be constructed from the running Python.
+ :param hashes: An optional collection of allowed hashes.
+ """
+ if target_python is None:
+ target_python = TargetPython()
+ if specifier is None:
+ specifier = specifiers.SpecifierSet()
+
+ supported_tags = target_python.get_tags()
+
+ return cls(
+ project_name=project_name,
+ supported_tags=supported_tags,
+ specifier=specifier,
+ prefer_binary=prefer_binary,
+ allow_all_prereleases=allow_all_prereleases,
+ hashes=hashes,
+ )
+
+ def __init__(
+ self,
+ project_name, # type: str
+ supported_tags, # type: List[Pep425Tag]
+ specifier, # type: specifiers.BaseSpecifier
+ prefer_binary=False, # type: bool
+ allow_all_prereleases=False, # type: bool
+ hashes=None, # type: Optional[Hashes]
+ ):
+ # type: (...) -> None
+ """
+ :param supported_tags: The PEP 425 tags supported by the target
+ Python in order of preference (most preferred first).
+ """
+ self._allow_all_prereleases = allow_all_prereleases
+ self._hashes = hashes
+ self._prefer_binary = prefer_binary
+ self._project_name = project_name
+ self._specifier = specifier
+ self._supported_tags = supported_tags
+
+ def get_applicable_candidates(
+ self,
+ candidates, # type: List[InstallationCandidate]
+ ):
+ # type: (...) -> List[InstallationCandidate]
+ """
+ Return the applicable candidates from a list of candidates.
+ """
+ # Using None infers from the specifier instead.
+ allow_prereleases = self._allow_all_prereleases or None
+ specifier = self._specifier
+ versions = {
+ str(v) for v in specifier.filter(
+ # We turn the version object into a str here because otherwise
+ # when we're debundled but setuptools isn't, Python will see
+ # packaging.version.Version and
+ # pkg_resources._vendor.packaging.version.Version as different
+ # types. This way we'll use a str as a common data interchange
+ # format. If we stop using the pkg_resources provided specifier
+ # and start using our own, we can drop the cast to str().
+ (str(c.version) for c in candidates),
+ prereleases=allow_prereleases,
+ )
+ }
+
+ # Again, converting version to str to deal with debundling.
+ applicable_candidates = [
+ c for c in candidates if str(c.version) in versions
+ ]
+
+ return filter_unallowed_hashes(
+ candidates=applicable_candidates,
+ hashes=self._hashes,
+ project_name=self._project_name,
+ )
+
+ def make_found_candidates(
+ self,
+ candidates, # type: List[InstallationCandidate]
+ ):
+ # type: (...) -> FoundCandidates
+ """
+ Create and return a `FoundCandidates` instance.
+
+ :param specifier: An optional object implementing `filter`
+ (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable
+ versions.
+ """
+ applicable_candidates = self.get_applicable_candidates(candidates)
+
+ return FoundCandidates(
+ candidates,
+ applicable_candidates=applicable_candidates,
+ evaluator=self,
+ )
+
+ def _sort_key(self, candidate):
+ # type: (InstallationCandidate) -> CandidateSortingKey
+ """
+ Function to pass as the `key` argument to a call to sorted() to sort
+ InstallationCandidates by preference.
+
+ Returns a tuple such that tuples sorting as greater using Python's
+ default comparison operator are more preferred.
+
+ The preference is as follows:
+
+ First and foremost, candidates with allowed (matching) hashes are
+ always preferred over candidates without matching hashes. This is
+ because e.g. if the only candidate with an allowed hash is yanked,
+ we still want to use that candidate.
+
+ Second, excepting hash considerations, candidates that have been
+ yanked (in the sense of PEP 592) are always less preferred than
+ candidates that haven't been yanked. Then:
+
+ If not finding wheels, they are sorted by version only.
+ If finding wheels, then the sort order is by version, then:
+ 1. existing installs
+ 2. wheels ordered via Wheel.support_index_min(self._supported_tags)
+ 3. source archives
+ If prefer_binary was set, then all wheels are sorted above sources.
+
+ Note: it was considered to embed this logic into the Link
+ comparison operators, but then different sdist links
+ with the same version, would have to be considered equal
+ """
+ valid_tags = self._supported_tags
+ support_num = len(valid_tags)
+ build_tag = tuple() # type: BuildTag
+ binary_preference = 0
+ link = candidate.link
+ if link.is_wheel:
+ # can raise InvalidWheelFilename
+ wheel = Wheel(link.filename)
+ if not wheel.supported(valid_tags):
+ raise UnsupportedWheel(
+ "%s is not a supported wheel for this platform. It "
+ "can't be sorted." % wheel.filename
+ )
+ if self._prefer_binary:
+ binary_preference = 1
+ pri = -(wheel.support_index_min(valid_tags))
+ if wheel.build_tag is not None:
+ match = re.match(r'^(\d+)(.*)$', wheel.build_tag)
+ build_tag_groups = match.groups()
+ build_tag = (int(build_tag_groups[0]), build_tag_groups[1])
+ else: # sdist
+ pri = -(support_num)
+ has_allowed_hash = int(link.is_hash_allowed(self._hashes))
+ yank_value = -1 * int(link.is_yanked) # -1 for yanked.
+ return (
+ has_allowed_hash, yank_value, binary_preference, candidate.version,
+ build_tag, pri,
+ )
+
+ def get_best_candidate(
+ self,
+ candidates, # type: List[InstallationCandidate]
+ ):
+ # type: (...) -> Optional[InstallationCandidate]
+ """
+ Return the best candidate per the instance's sort order, or None if
+ no candidate is acceptable.
+ """
+ if not candidates:
+ return None
+
+ best_candidate = max(candidates, key=self._sort_key)
+
+ # Log a warning per PEP 592 if necessary before returning.
+ link = best_candidate.link
+ if link.is_yanked:
+ reason = link.yanked_reason or '<none given>'
+ msg = (
+ # Mark this as a unicode string to prevent
+ # "UnicodeEncodeError: 'ascii' codec can't encode character"
+ # in Python 2 when the reason contains non-ascii characters.
+ u'The candidate selected for download or install is a '
+ 'yanked version: {candidate}\n'
+ 'Reason for being yanked: {reason}'
+ ).format(candidate=best_candidate, reason=reason)
+ logger.warning(msg)
+
+ return best_candidate
+
+
+class FoundCandidates(object):
+ """A collection of candidates, returned by `PackageFinder.find_candidates`.
+
+ This class is only intended to be instantiated by CandidateEvaluator's
+ `make_found_candidates()` method.
+ """
+
+ def __init__(
+ self,
+ candidates, # type: List[InstallationCandidate]
+ applicable_candidates, # type: List[InstallationCandidate]
+ evaluator, # type: CandidateEvaluator
+ ):
+ # type: (...) -> None
+ """
+ :param candidates: A sequence of all available candidates found.
+ :param applicable_candidates: The applicable candidates.
+ :param evaluator: A CandidateEvaluator object to sort applicable
+ candidates by order of preference.
+ """
+ self._applicable_candidates = applicable_candidates
+ self._candidates = candidates
+ self._evaluator = evaluator
+
+ def iter_all(self):
+ # type: () -> Iterable[InstallationCandidate]
+ """Iterate through all candidates.
+ """
+ return iter(self._candidates)
+
+ def iter_applicable(self):
+ # type: () -> Iterable[InstallationCandidate]
+ """Iterate through the applicable candidates.
+ """
+ return iter(self._applicable_candidates)
+
+ def get_best(self):
+ # type: () -> Optional[InstallationCandidate]
+ """Return the best candidate available, or None if no applicable
+ candidates are found.
+ """
+ candidates = list(self.iter_applicable())
+ return self._evaluator.get_best_candidate(candidates)
+
+
+class PackageFinder(object):
+ """This finds packages.
+
+ This is meant to match easy_install's technique for looking for
+ packages, by reading pages and looking for appropriate links.
+ """
+
+ def __init__(
+ self,
+ search_scope, # type: SearchScope
+ session, # type: PipSession
+ target_python, # type: TargetPython
+ allow_yanked, # type: bool
+ format_control=None, # type: Optional[FormatControl]
+ trusted_hosts=None, # type: Optional[List[str]]
+ candidate_prefs=None, # type: CandidatePreferences
+ ignore_requires_python=None, # type: Optional[bool]
+ ):
+ # type: (...) -> None
+ """
+ This constructor is primarily meant to be used by the create() class
+ method and from tests.
+
+ :param session: The Session to use to make requests.
+ :param format_control: A FormatControl object, used to control
+ the selection of source packages / binary packages when consulting
+ the index and links.
+ :param candidate_prefs: Options to use when creating a
+ CandidateEvaluator object.
+ """
+ if trusted_hosts is None:
+ trusted_hosts = []
+ if candidate_prefs is None:
+ candidate_prefs = CandidatePreferences()
+
+ format_control = format_control or FormatControl(set(), set())
+
+ self._allow_yanked = allow_yanked
+ self._candidate_prefs = candidate_prefs
+ self._ignore_requires_python = ignore_requires_python
+ self._target_python = target_python
+
+ self.search_scope = search_scope
+ self.session = session
+ self.format_control = format_control
+ self.trusted_hosts = trusted_hosts
+
+ # These are boring links that have already been logged somehow.
+ self._logged_links = set() # type: Set[Link]
+
+ # Don't include an allow_yanked default value to make sure each call
+ # site considers whether yanked releases are allowed. This also causes
+ # that decision to be made explicit in the calling code, which helps
+ # people when reading the code.
+ @classmethod
+ def create(
+ cls,
+ search_scope, # type: SearchScope
+ selection_prefs, # type: SelectionPreferences
+ trusted_hosts=None, # type: Optional[List[str]]
+ session=None, # type: Optional[PipSession]
+ target_python=None, # type: Optional[TargetPython]
+ ):
+ # type: (...) -> PackageFinder
+ """Create a PackageFinder.
+
+ :param selection_prefs: The candidate selection preferences, as a
+ SelectionPreferences object.
+ :param trusted_hosts: Domains not to emit warnings for when not using
+ HTTPS.
+ :param session: The Session to use to make requests.
+ :param target_python: The target Python interpreter to use when
+ checking compatibility. If None (the default), a TargetPython
+ object will be constructed from the running Python.
+ """
+ if session is None:
+ raise TypeError(
+ "PackageFinder.create() missing 1 required keyword argument: "
+ "'session'"
+ )
+ if target_python is None:
+ target_python = TargetPython()
+
+ candidate_prefs = CandidatePreferences(
+ prefer_binary=selection_prefs.prefer_binary,
+ allow_all_prereleases=selection_prefs.allow_all_prereleases,
+ )
+
+ return cls(
+ candidate_prefs=candidate_prefs,
+ search_scope=search_scope,
+ session=session,
+ target_python=target_python,
+ allow_yanked=selection_prefs.allow_yanked,
+ format_control=selection_prefs.format_control,
+ trusted_hosts=trusted_hosts,
+ ignore_requires_python=selection_prefs.ignore_requires_python,
+ )
+
+ @property
+ def find_links(self):
+ # type: () -> List[str]
+ return self.search_scope.find_links
+
+ @property
+ def index_urls(self):
+ # type: () -> List[str]
+ return self.search_scope.index_urls
+
+ @property
+ def allow_all_prereleases(self):
+ # type: () -> bool
+ return self._candidate_prefs.allow_all_prereleases
+
+ def set_allow_all_prereleases(self):
+ # type: () -> None
+ self._candidate_prefs.allow_all_prereleases = True
+
+ def add_trusted_host(self, host, source=None):
+ # type: (str, Optional[str]) -> None
+ """
+ :param source: An optional source string, for logging where the host
+ string came from.
+ """
+ # It is okay to add a previously added host because PipSession stores
+ # the resulting prefixes in a dict.
+ msg = 'adding trusted host: {!r}'.format(host)
+ if source is not None:
+ msg += ' (from {})'.format(source)
+ logger.info(msg)
+ self.session.add_insecure_host(host)
+ if host in self.trusted_hosts:
+ return
+
+ self.trusted_hosts.append(host)
+
+ def iter_secure_origins(self):
+ # type: () -> Iterator[SecureOrigin]
+ for secure_origin in SECURE_ORIGINS:
+ yield secure_origin
+ for host in self.trusted_hosts:
+ yield ('*', host, '*')
+
+ @staticmethod
+ def _sort_locations(locations, expand_dir=False):
+ # type: (Sequence[str], bool) -> Tuple[List[str], List[str]]
+ """
+ Sort locations into "files" (archives) and "urls", and return
+ a pair of lists (files,urls)
+ """
+ files = []
+ urls = []
+
+ # puts the url for the given file path into the appropriate list
+ def sort_path(path):
+ url = path_to_url(path)
+ if mimetypes.guess_type(url, strict=False)[0] == 'text/html':
+ urls.append(url)
+ else:
+ files.append(url)
+
+ for url in locations:
+
+ is_local_path = os.path.exists(url)
+ is_file_url = url.startswith('file:')
+
+ if is_local_path or is_file_url:
+ if is_local_path:
+ path = url
+ else:
+ path = url_to_path(url)
+ if os.path.isdir(path):
+ if expand_dir:
+ path = os.path.realpath(path)
+ for item in os.listdir(path):
+ sort_path(os.path.join(path, item))
+ elif is_file_url:
+ urls.append(url)
+ else:
+ logger.warning(
+ "Path '{0}' is ignored: "
+ "it is a directory.".format(path),
+ )
+ elif os.path.isfile(path):
+ sort_path(path)
+ else:
+ logger.warning(
+ "Url '%s' is ignored: it is neither a file "
+ "nor a directory.", url,
+ )
+ elif is_url(url):
+ # Only add url with clear scheme
+ urls.append(url)
+ else:
+ logger.warning(
+ "Url '%s' is ignored. It is either a non-existing "
+ "path or lacks a specific scheme.", url,
+ )
+
+ return files, urls
+
+ def _validate_secure_origin(self, logger, location):
+ # type: (Logger, Link) -> bool
+ # Determine if this url used a secure transport mechanism
+ parsed = urllib_parse.urlparse(str(location))
+ origin = (parsed.scheme, parsed.hostname, parsed.port)
+
+ # The protocol to use to see if the protocol matches.
+ # Don't count the repository type as part of the protocol: in
+ # cases such as "git+ssh", only use "ssh". (I.e., Only verify against
+ # the last scheme.)
+ protocol = origin[0].rsplit('+', 1)[-1]
+
+ # Determine if our origin is a secure origin by looking through our
+ # hardcoded list of secure origins, as well as any additional ones
+ # configured on this PackageFinder instance.
+ for secure_origin in self.iter_secure_origins():
+ if protocol != secure_origin[0] and secure_origin[0] != "*":
+ continue
+
+ try:
+ # We need to do this decode dance to ensure that we have a
+ # unicode object, even on Python 2.x.
+ addr = ipaddress.ip_address(
+ origin[1]
+ if (
+ isinstance(origin[1], six.text_type) or
+ origin[1] is None
+ )
+ else origin[1].decode("utf8")
+ )
+ network = ipaddress.ip_network(
+ secure_origin[1]
+ if isinstance(secure_origin[1], six.text_type)
+ # setting secure_origin[1] to proper Union[bytes, str]
+ # creates problems in other places
+ else secure_origin[1].decode("utf8") # type: ignore
+ )
+ except ValueError:
+ # We don't have both a valid address or a valid network, so
+ # we'll check this origin against hostnames.
+ if (origin[1] and
+ origin[1].lower() != secure_origin[1].lower() and
+ secure_origin[1] != "*"):
+ continue
+ else:
+ # We have a valid address and network, so see if the address
+ # is contained within the network.
+ if addr not in network:
+ continue
+
+ # Check to see if the port patches
+ if (origin[2] != secure_origin[2] and
+ secure_origin[2] != "*" and
+ secure_origin[2] is not None):
+ continue
+
+ # If we've gotten here, then this origin matches the current
+ # secure origin and we should return True
+ return True
+
+ # If we've gotten to this point, then the origin isn't secure and we
+ # will not accept it as a valid location to search. We will however
+ # log a warning that we are ignoring it.
+ logger.warning(
+ "The repository located at %s is not a trusted or secure host and "
+ "is being ignored. If this repository is available via HTTPS we "
+ "recommend you use HTTPS instead, otherwise you may silence "
+ "this warning and allow it anyway with '--trusted-host %s'.",
+ parsed.hostname,
+ parsed.hostname,
+ )
+
+ return False
+
+ def make_link_evaluator(self, project_name):
+ # type: (str) -> LinkEvaluator
+ canonical_name = canonicalize_name(project_name)
+ formats = self.format_control.get_allowed_formats(canonical_name)
+
+ return LinkEvaluator(
+ project_name=project_name,
+ canonical_name=canonical_name,
+ formats=formats,
+ target_python=self._target_python,
+ allow_yanked=self._allow_yanked,
+ ignore_requires_python=self._ignore_requires_python,
+ )
+
+ def find_all_candidates(self, project_name):
+ # type: (str) -> List[InstallationCandidate]
+ """Find all available InstallationCandidate for project_name
+
+ This checks index_urls and find_links.
+ All versions found are returned as an InstallationCandidate list.
+
+ See LinkEvaluator.evaluate_link() for details on which files
+ are accepted.
+ """
+ search_scope = self.search_scope
+ index_locations = search_scope.get_index_urls_locations(project_name)
+ index_file_loc, index_url_loc = self._sort_locations(index_locations)
+ fl_file_loc, fl_url_loc = self._sort_locations(
+ self.find_links, expand_dir=True,
+ )
+
+ file_locations = (Link(url) for url in itertools.chain(
+ index_file_loc, fl_file_loc,
+ ))
+
+ # We trust every url that the user has given us whether it was given
+ # via --index-url or --find-links.
+ # We want to filter out any thing which does not have a secure origin.
+ url_locations = [
+ link for link in itertools.chain(
+ (Link(url) for url in index_url_loc),
+ (Link(url) for url in fl_url_loc),
+ )
+ if self._validate_secure_origin(logger, link)
+ ]
+
+ logger.debug('%d location(s) to search for versions of %s:',
+ len(url_locations), project_name)
+
+ for location in url_locations:
+ logger.debug('* %s', location)
+
+ link_evaluator = self.make_link_evaluator(project_name)
+ find_links_versions = self._package_versions(
+ link_evaluator,
+ # We trust every directly linked archive in find_links
+ (Link(url, '-f') for url in self.find_links),
+ )
+
+ page_versions = []
+ for page in self._get_pages(url_locations, project_name):
+ logger.debug('Analyzing links from page %s', page.url)
+ with indent_log():
+ page_versions.extend(
+ self._package_versions(link_evaluator, page.iter_links())
+ )
+
+ file_versions = self._package_versions(link_evaluator, file_locations)
+ if file_versions:
+ file_versions.sort(reverse=True)
+ logger.debug(
+ 'Local files found: %s',
+ ', '.join([
+ url_to_path(candidate.link.url)
+ for candidate in file_versions
+ ])
+ )
+
+ # This is an intentional priority ordering
+ return file_versions + find_links_versions + page_versions
+
+ def make_candidate_evaluator(
+ self,
+ project_name, # type: str
+ specifier=None, # type: Optional[specifiers.BaseSpecifier]
+ hashes=None, # type: Optional[Hashes]
+ ):
+ # type: (...) -> CandidateEvaluator
+ """Create a CandidateEvaluator object to use.
+ """
+ candidate_prefs = self._candidate_prefs
+ return CandidateEvaluator.create(
+ project_name=project_name,
+ target_python=self._target_python,
+ prefer_binary=candidate_prefs.prefer_binary,
+ allow_all_prereleases=candidate_prefs.allow_all_prereleases,
+ specifier=specifier,
+ hashes=hashes,
+ )
+
+ def find_candidates(
+ self,
+ project_name, # type: str
+ specifier=None, # type: Optional[specifiers.BaseSpecifier]
+ hashes=None, # type: Optional[Hashes]
+ ):
+ # type: (...) -> FoundCandidates
+ """Find matches for the given project and specifier.
+
+ :param specifier: An optional object implementing `filter`
+ (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable
+ versions.
+
+ :return: A `FoundCandidates` instance.
+ """
+ candidates = self.find_all_candidates(project_name)
+ candidate_evaluator = self.make_candidate_evaluator(
+ project_name=project_name,
+ specifier=specifier,
+ hashes=hashes,
+ )
+ return candidate_evaluator.make_found_candidates(candidates)
+
+ def find_requirement(self, req, upgrade):
+ # type: (InstallRequirement, bool) -> Optional[Link]
+ """Try to find a Link matching req
+
+ Expects req, an InstallRequirement and upgrade, a boolean
+ Returns a Link if found,
+ Raises DistributionNotFound or BestVersionAlreadyInstalled otherwise
+ """
+ hashes = req.hashes(trust_internet=False)
+ candidates = self.find_candidates(
+ req.name, specifier=req.specifier, hashes=hashes,
+ )
+ best_candidate = candidates.get_best()
+
+ installed_version = None # type: Optional[_BaseVersion]
+ if req.satisfied_by is not None:
+ installed_version = parse_version(req.satisfied_by.version)
+
+ def _format_versions(cand_iter):
+ # This repeated parse_version and str() conversion is needed to
+ # handle different vendoring sources from pip and pkg_resources.
+ # If we stop using the pkg_resources provided specifier and start
+ # using our own, we can drop the cast to str().
+ return ", ".join(sorted(
+ {str(c.version) for c in cand_iter},
+ key=parse_version,
+ )) or "none"
+
+ if installed_version is None and best_candidate is None:
+ logger.critical(
+ 'Could not find a version that satisfies the requirement %s '
+ '(from versions: %s)',
+ req,
+ _format_versions(candidates.iter_all()),
+ )
+
+ raise DistributionNotFound(
+ 'No matching distribution found for %s' % req
+ )
+
+ best_installed = False
+ if installed_version and (
+ best_candidate is None or
+ best_candidate.version <= installed_version):
+ best_installed = True
+
+ if not upgrade and installed_version is not None:
+ if best_installed:
+ logger.debug(
+ 'Existing installed version (%s) is most up-to-date and '
+ 'satisfies requirement',
+ installed_version,
+ )
+ else:
+ logger.debug(
+ 'Existing installed version (%s) satisfies requirement '
+ '(most up-to-date version is %s)',
+ installed_version,
+ best_candidate.version,
+ )
+ return None
+
+ if best_installed:
+ # We have an existing version, and its the best version
+ logger.debug(
+ 'Installed version (%s) is most up-to-date (past versions: '
+ '%s)',
+ installed_version,
+ _format_versions(candidates.iter_applicable()),
+ )
+ raise BestVersionAlreadyInstalled
+
+ logger.debug(
+ 'Using version %s (newest of versions: %s)',
+ best_candidate.version,
+ _format_versions(candidates.iter_applicable()),
+ )
+ return best_candidate.link
+
+ def _get_pages(self, locations, project_name):
+ # type: (Iterable[Link], str) -> Iterable[HTMLPage]
+ """
+ Yields (page, page_url) from the given locations, skipping
+ locations that have errors.
+ """
+ seen = set() # type: Set[Link]
+ for location in locations:
+ if location in seen:
+ continue
+ seen.add(location)
+
+ page = _get_html_page(location, session=self.session)
+ if page is None:
+ continue
+
+ yield page
+
+ def _sort_links(self, links):
+ # type: (Iterable[Link]) -> List[Link]
+ """
+ Returns elements of links in order, non-egg links first, egg links
+ second, while eliminating duplicates
+ """
+ eggs, no_eggs = [], []
+ seen = set() # type: Set[Link]
+ for link in links:
+ if link not in seen:
+ seen.add(link)
+ if link.egg_fragment:
+ eggs.append(link)
+ else:
+ no_eggs.append(link)
+ return no_eggs + eggs
+
+ def _log_skipped_link(self, link, reason):
+ # type: (Link, Text) -> None
+ if link not in self._logged_links:
+ # Mark this as a unicode string to prevent "UnicodeEncodeError:
+ # 'ascii' codec can't encode character" in Python 2 when
+ # the reason contains non-ascii characters.
+ # Also, put the link at the end so the reason is more visible
+ # and because the link string is usually very long.
+ logger.debug(u'Skipping link: %s: %s', reason, link)
+ self._logged_links.add(link)
+
+ def get_install_candidate(self, link_evaluator, link):
+ # type: (LinkEvaluator, Link) -> Optional[InstallationCandidate]
+ """
+ If the link is a candidate for install, convert it to an
+ InstallationCandidate and return it. Otherwise, return None.
+ """
+ is_candidate, result = link_evaluator.evaluate_link(link)
+ if not is_candidate:
+ if result:
+ self._log_skipped_link(link, reason=result)
+ return None
+
+ return InstallationCandidate(
+ project=link_evaluator.project_name,
+ link=link,
+ # Convert the Text result to str since InstallationCandidate
+ # accepts str.
+ version=str(result),
+ )
+
+ def _package_versions(self, link_evaluator, links):
+ # type: (LinkEvaluator, Iterable[Link]) -> List[InstallationCandidate]
+ result = []
+ for link in self._sort_links(links):
+ candidate = self.get_install_candidate(link_evaluator, link)
+ if candidate is not None:
+ result.append(candidate)
+ return result
+
+
+def _find_name_version_sep(fragment, canonical_name):
+ # type: (str, str) -> int
+ """Find the separator's index based on the package's canonical name.
+
+ :param fragment: A <package>+<version> filename "fragment" (stem) or
+ egg fragment.
+ :param canonical_name: The package's canonical name.
+
+ This function is needed since the canonicalized name does not necessarily
+ have the same length as the egg info's name part. An example::
+
+ >>> fragment = 'foo__bar-1.0'
+ >>> canonical_name = 'foo-bar'
+ >>> _find_name_version_sep(fragment, canonical_name)
+ 8
+ """
+ # Project name and version must be separated by one single dash. Find all
+ # occurrences of dashes; if the string in front of it matches the canonical
+ # name, this is the one separating the name and version parts.
+ for i, c in enumerate(fragment):
+ if c != "-":
+ continue
+ if canonicalize_name(fragment[:i]) == canonical_name:
+ return i
+ raise ValueError("{} does not match {}".format(fragment, canonical_name))
+
+
+def _extract_version_from_fragment(fragment, canonical_name):
+ # type: (str, str) -> Optional[str]
+ """Parse the version string from a <package>+<version> filename
+ "fragment" (stem) or egg fragment.
+
+ :param fragment: The string to parse. E.g. foo-2.1
+ :param canonical_name: The canonicalized name of the package this
+ belongs to.
+ """
+ try:
+ version_start = _find_name_version_sep(fragment, canonical_name) + 1
+ except ValueError:
+ return None
+ version = fragment[version_start:]
+ if not version:
+ return None
+ return version
+
+
+def _determine_base_url(document, page_url):
+ """Determine the HTML document's base URL.
+
+ This looks for a ``<base>`` tag in the HTML document. If present, its href
+ attribute denotes the base URL of anchor tags in the document. If there is
+ no such tag (or if it does not have a valid href attribute), the HTML
+ file's URL is used as the base URL.
+
+ :param document: An HTML document representation. The current
+ implementation expects the result of ``html5lib.parse()``.
+ :param page_url: The URL of the HTML document.
+ """
+ for base in document.findall(".//base"):
+ href = base.get("href")
+ if href is not None:
+ return href
+ return page_url
+
+
+def _get_encoding_from_headers(headers):
+ """Determine if we have any encoding information in our headers.
+ """
+ if headers and "Content-Type" in headers:
+ content_type, params = cgi.parse_header(headers["Content-Type"])
+ if "charset" in params:
+ return params['charset']
+ return None
+
+
+def _clean_link(url):
+ # type: (str) -> str
+ """Makes sure a link is fully encoded. That is, if a ' ' shows up in
+ the link, it will be rewritten to %20 (while not over-quoting
+ % or other characters)."""
+ # Split the URL into parts according to the general structure
+ # `scheme://netloc/path;parameters?query#fragment`. Note that the
+ # `netloc` can be empty and the URI will then refer to a local
+ # filesystem path.
+ result = urllib_parse.urlparse(url)
+ # In both cases below we unquote prior to quoting to make sure
+ # nothing is double quoted.
+ if result.netloc == "":
+ # On Windows the path part might contain a drive letter which
+ # should not be quoted. On Linux where drive letters do not
+ # exist, the colon should be quoted. We rely on urllib.request
+ # to do the right thing here.
+ path = urllib_request.pathname2url(
+ urllib_request.url2pathname(result.path))
+ else:
+ # In addition to the `/` character we protect `@` so that
+ # revision strings in VCS URLs are properly parsed.
+ path = urllib_parse.quote(urllib_parse.unquote(result.path), safe="/@")
+ return urllib_parse.urlunparse(result._replace(path=path))
+
+
+def _create_link_from_element(
+ anchor, # type: HTMLElement
+ page_url, # type: str
+ base_url, # type: str
+):
+ # type: (...) -> Optional[Link]
+ """
+ Convert an anchor element in a simple repository page to a Link.
+ """
+ href = anchor.get("href")
+ if not href:
+ return None
+
+ url = _clean_link(urllib_parse.urljoin(base_url, href))
+ pyrequire = anchor.get('data-requires-python')
+ pyrequire = unescape(pyrequire) if pyrequire else None
+
+ yanked_reason = anchor.get('data-yanked')
+ if yanked_reason:
+ # This is a unicode string in Python 2 (and 3).
+ yanked_reason = unescape(yanked_reason)
+
+ link = Link(
+ url,
+ comes_from=page_url,
+ requires_python=pyrequire,
+ yanked_reason=yanked_reason,
+ )
+
+ return link
+
+
+class HTMLPage(object):
+ """Represents one page, along with its URL"""
+
+ def __init__(self, content, url, headers=None):
+ # type: (bytes, str, MutableMapping[str, str]) -> None
+ self.content = content
+ self.url = url
+ self.headers = headers
+
+ def __str__(self):
+ return redact_password_from_url(self.url)
+
+ def iter_links(self):
+ # type: () -> Iterable[Link]
+ """Yields all links in the page"""
+ document = html5lib.parse(
+ self.content,
+ transport_encoding=_get_encoding_from_headers(self.headers),
+ namespaceHTMLElements=False,
+ )
+ base_url = _determine_base_url(document, self.url)
+ for anchor in document.findall(".//a"):
+ link = _create_link_from_element(
+ anchor,
+ page_url=self.url,
+ base_url=base_url,
+ )
+ if link is None:
+ continue
+ yield link
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/legacy_resolve.py b/venv/lib/python3.7/site-packages/pip/_internal/legacy_resolve.py
new file mode 100644
index 0000000..1d9229c
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/legacy_resolve.py
@@ -0,0 +1,457 @@
+"""Dependency Resolution
+
+The dependency resolution in pip is performed as follows:
+
+for top-level requirements:
+ a. only one spec allowed per project, regardless of conflicts or not.
+ otherwise a "double requirement" exception is raised
+ b. they override sub-dependency requirements.
+for sub-dependencies
+ a. "first found, wins" (where the order is breadth first)
+"""
+
+import logging
+import sys
+from collections import defaultdict
+from itertools import chain
+
+from pip._vendor.packaging import specifiers
+
+from pip._internal.exceptions import (
+ BestVersionAlreadyInstalled, DistributionNotFound, HashError, HashErrors,
+ UnsupportedPythonVersion,
+)
+from pip._internal.req.constructors import install_req_from_req_string
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import (
+ dist_in_usersite, ensure_dir, normalize_version_info,
+)
+from pip._internal.utils.packaging import (
+ check_requires_python, get_requires_python,
+)
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+if MYPY_CHECK_RUNNING:
+ from typing import DefaultDict, List, Optional, Set, Tuple
+ from pip._vendor import pkg_resources
+
+ from pip._internal.cache import WheelCache
+ from pip._internal.distributions import AbstractDistribution
+ from pip._internal.download import PipSession
+ from pip._internal.index import PackageFinder
+ from pip._internal.operations.prepare import RequirementPreparer
+ from pip._internal.req.req_install import InstallRequirement
+ from pip._internal.req.req_set import RequirementSet
+
+logger = logging.getLogger(__name__)
+
+
+def _check_dist_requires_python(
+ dist, # type: pkg_resources.Distribution
+ version_info, # type: Tuple[int, int, int]
+ ignore_requires_python=False, # type: bool
+):
+ # type: (...) -> None
+ """
+ Check whether the given Python version is compatible with a distribution's
+ "Requires-Python" value.
+
+ :param version_info: A 3-tuple of ints representing the Python
+ major-minor-micro version to check.
+ :param ignore_requires_python: Whether to ignore the "Requires-Python"
+ value if the given Python version isn't compatible.
+
+ :raises UnsupportedPythonVersion: When the given Python version isn't
+ compatible.
+ """
+ requires_python = get_requires_python(dist)
+ try:
+ is_compatible = check_requires_python(
+ requires_python, version_info=version_info,
+ )
+ except specifiers.InvalidSpecifier as exc:
+ logger.warning(
+ "Package %r has an invalid Requires-Python: %s",
+ dist.project_name, exc,
+ )
+ return
+
+ if is_compatible:
+ return
+
+ version = '.'.join(map(str, version_info))
+ if ignore_requires_python:
+ logger.debug(
+ 'Ignoring failed Requires-Python check for package %r: '
+ '%s not in %r',
+ dist.project_name, version, requires_python,
+ )
+ return
+
+ raise UnsupportedPythonVersion(
+ 'Package {!r} requires a different Python: {} not in {!r}'.format(
+ dist.project_name, version, requires_python,
+ ))
+
+
+class Resolver(object):
+ """Resolves which packages need to be installed/uninstalled to perform \
+ the requested operation without breaking the requirements of any package.
+ """
+
+ _allowed_strategies = {"eager", "only-if-needed", "to-satisfy-only"}
+
+ def __init__(
+ self,
+ preparer, # type: RequirementPreparer
+ session, # type: PipSession
+ finder, # type: PackageFinder
+ wheel_cache, # type: Optional[WheelCache]
+ use_user_site, # type: bool
+ ignore_dependencies, # type: bool
+ ignore_installed, # type: bool
+ ignore_requires_python, # type: bool
+ force_reinstall, # type: bool
+ isolated, # type: bool
+ upgrade_strategy, # type: str
+ use_pep517=None, # type: Optional[bool]
+ py_version_info=None, # type: Optional[Tuple[int, ...]]
+ ):
+ # type: (...) -> None
+ super(Resolver, self).__init__()
+ assert upgrade_strategy in self._allowed_strategies
+
+ if py_version_info is None:
+ py_version_info = sys.version_info[:3]
+ else:
+ py_version_info = normalize_version_info(py_version_info)
+
+ self._py_version_info = py_version_info
+
+ self.preparer = preparer
+ self.finder = finder
+ self.session = session
+
+ # NOTE: This would eventually be replaced with a cache that can give
+ # information about both sdist and wheels transparently.
+ self.wheel_cache = wheel_cache
+
+ # This is set in resolve
+ self.require_hashes = None # type: Optional[bool]
+
+ self.upgrade_strategy = upgrade_strategy
+ self.force_reinstall = force_reinstall
+ self.isolated = isolated
+ self.ignore_dependencies = ignore_dependencies
+ self.ignore_installed = ignore_installed
+ self.ignore_requires_python = ignore_requires_python
+ self.use_user_site = use_user_site
+ self.use_pep517 = use_pep517
+
+ self._discovered_dependencies = \
+ defaultdict(list) # type: DefaultDict[str, List]
+
+ def resolve(self, requirement_set):
+ # type: (RequirementSet) -> None
+ """Resolve what operations need to be done
+
+ As a side-effect of this method, the packages (and their dependencies)
+ are downloaded, unpacked and prepared for installation. This
+ preparation is done by ``pip.operations.prepare``.
+
+ Once PyPI has static dependency metadata available, it would be
+ possible to move the preparation to become a step separated from
+ dependency resolution.
+ """
+ # make the wheelhouse
+ if self.preparer.wheel_download_dir:
+ ensure_dir(self.preparer.wheel_download_dir)
+
+ # If any top-level requirement has a hash specified, enter
+ # hash-checking mode, which requires hashes from all.
+ root_reqs = (
+ requirement_set.unnamed_requirements +
+ list(requirement_set.requirements.values())
+ )
+ self.require_hashes = (
+ requirement_set.require_hashes or
+ any(req.has_hash_options for req in root_reqs)
+ )
+
+ # Display where finder is looking for packages
+ search_scope = self.finder.search_scope
+ locations = search_scope.get_formatted_locations()
+ if locations:
+ logger.info(locations)
+
+ # Actually prepare the files, and collect any exceptions. Most hash
+ # exceptions cannot be checked ahead of time, because
+ # req.populate_link() needs to be called before we can make decisions
+ # based on link type.
+ discovered_reqs = [] # type: List[InstallRequirement]
+ hash_errors = HashErrors()
+ for req in chain(root_reqs, discovered_reqs):
+ try:
+ discovered_reqs.extend(
+ self._resolve_one(requirement_set, req)
+ )
+ except HashError as exc:
+ exc.req = req
+ hash_errors.append(exc)
+
+ if hash_errors:
+ raise hash_errors
+
+ def _is_upgrade_allowed(self, req):
+ # type: (InstallRequirement) -> bool
+ if self.upgrade_strategy == "to-satisfy-only":
+ return False
+ elif self.upgrade_strategy == "eager":
+ return True
+ else:
+ assert self.upgrade_strategy == "only-if-needed"
+ return req.is_direct
+
+ def _set_req_to_reinstall(self, req):
+ # type: (InstallRequirement) -> None
+ """
+ Set a requirement to be installed.
+ """
+ # Don't uninstall the conflict if doing a user install and the
+ # conflict is not a user install.
+ if not self.use_user_site or dist_in_usersite(req.satisfied_by):
+ req.conflicts_with = req.satisfied_by
+ req.satisfied_by = None
+
+ # XXX: Stop passing requirement_set for options
+ def _check_skip_installed(self, req_to_install):
+ # type: (InstallRequirement) -> Optional[str]
+ """Check if req_to_install should be skipped.
+
+ This will check if the req is installed, and whether we should upgrade
+ or reinstall it, taking into account all the relevant user options.
+
+ After calling this req_to_install will only have satisfied_by set to
+ None if the req_to_install is to be upgraded/reinstalled etc. Any
+ other value will be a dist recording the current thing installed that
+ satisfies the requirement.
+
+ Note that for vcs urls and the like we can't assess skipping in this
+ routine - we simply identify that we need to pull the thing down,
+ then later on it is pulled down and introspected to assess upgrade/
+ reinstalls etc.
+
+ :return: A text reason for why it was skipped, or None.
+ """
+ if self.ignore_installed:
+ return None
+
+ req_to_install.check_if_exists(self.use_user_site)
+ if not req_to_install.satisfied_by:
+ return None
+
+ if self.force_reinstall:
+ self._set_req_to_reinstall(req_to_install)
+ return None
+
+ if not self._is_upgrade_allowed(req_to_install):
+ if self.upgrade_strategy == "only-if-needed":
+ return 'already satisfied, skipping upgrade'
+ return 'already satisfied'
+
+ # Check for the possibility of an upgrade. For link-based
+ # requirements we have to pull the tree down and inspect to assess
+ # the version #, so it's handled way down.
+ if not req_to_install.link:
+ try:
+ self.finder.find_requirement(req_to_install, upgrade=True)
+ except BestVersionAlreadyInstalled:
+ # Then the best version is installed.
+ return 'already up-to-date'
+ except DistributionNotFound:
+ # No distribution found, so we squash the error. It will
+ # be raised later when we re-try later to do the install.
+ # Why don't we just raise here?
+ pass
+
+ self._set_req_to_reinstall(req_to_install)
+ return None
+
+ def _get_abstract_dist_for(self, req):
+ # type: (InstallRequirement) -> AbstractDistribution
+ """Takes a InstallRequirement and returns a single AbstractDist \
+ representing a prepared variant of the same.
+ """
+ assert self.require_hashes is not None, (
+ "require_hashes should have been set in Resolver.resolve()"
+ )
+
+ if req.editable:
+ return self.preparer.prepare_editable_requirement(
+ req, self.require_hashes, self.use_user_site, self.finder,
+ )
+
+ # satisfied_by is only evaluated by calling _check_skip_installed,
+ # so it must be None here.
+ assert req.satisfied_by is None
+ skip_reason = self._check_skip_installed(req)
+
+ if req.satisfied_by:
+ return self.preparer.prepare_installed_requirement(
+ req, self.require_hashes, skip_reason
+ )
+
+ upgrade_allowed = self._is_upgrade_allowed(req)
+ abstract_dist = self.preparer.prepare_linked_requirement(
+ req, self.session, self.finder, upgrade_allowed,
+ self.require_hashes
+ )
+
+ # NOTE
+ # The following portion is for determining if a certain package is
+ # going to be re-installed/upgraded or not and reporting to the user.
+ # This should probably get cleaned up in a future refactor.
+
+ # req.req is only avail after unpack for URL
+ # pkgs repeat check_if_exists to uninstall-on-upgrade
+ # (#14)
+ if not self.ignore_installed:
+ req.check_if_exists(self.use_user_site)
+
+ if req.satisfied_by:
+ should_modify = (
+ self.upgrade_strategy != "to-satisfy-only" or
+ self.force_reinstall or
+ self.ignore_installed or
+ req.link.scheme == 'file'
+ )
+ if should_modify:
+ self._set_req_to_reinstall(req)
+ else:
+ logger.info(
+ 'Requirement already satisfied (use --upgrade to upgrade):'
+ ' %s', req,
+ )
+
+ return abstract_dist
+
+ def _resolve_one(
+ self,
+ requirement_set, # type: RequirementSet
+ req_to_install # type: InstallRequirement
+ ):
+ # type: (...) -> List[InstallRequirement]
+ """Prepare a single requirements file.
+
+ :return: A list of additional InstallRequirements to also install.
+ """
+ # Tell user what we are doing for this requirement:
+ # obtain (editable), skipping, processing (local url), collecting
+ # (remote url or package name)
+ if req_to_install.constraint or req_to_install.prepared:
+ return []
+
+ req_to_install.prepared = True
+
+ # register tmp src for cleanup in case something goes wrong
+ requirement_set.reqs_to_cleanup.append(req_to_install)
+
+ abstract_dist = self._get_abstract_dist_for(req_to_install)
+
+ # Parse and return dependencies
+ dist = abstract_dist.get_pkg_resources_distribution()
+ # This will raise UnsupportedPythonVersion if the given Python
+ # version isn't compatible with the distribution's Requires-Python.
+ _check_dist_requires_python(
+ dist, version_info=self._py_version_info,
+ ignore_requires_python=self.ignore_requires_python,
+ )
+
+ more_reqs = [] # type: List[InstallRequirement]
+
+ def add_req(subreq, extras_requested):
+ sub_install_req = install_req_from_req_string(
+ str(subreq),
+ req_to_install,
+ isolated=self.isolated,
+ wheel_cache=self.wheel_cache,
+ use_pep517=self.use_pep517
+ )
+ parent_req_name = req_to_install.name
+ to_scan_again, add_to_parent = requirement_set.add_requirement(
+ sub_install_req,
+ parent_req_name=parent_req_name,
+ extras_requested=extras_requested,
+ )
+ if parent_req_name and add_to_parent:
+ self._discovered_dependencies[parent_req_name].append(
+ add_to_parent
+ )
+ more_reqs.extend(to_scan_again)
+
+ with indent_log():
+ # We add req_to_install before its dependencies, so that we
+ # can refer to it when adding dependencies.
+ if not requirement_set.has_requirement(req_to_install.name):
+ # 'unnamed' requirements will get added here
+ req_to_install.is_direct = True
+ requirement_set.add_requirement(
+ req_to_install, parent_req_name=None,
+ )
+
+ if not self.ignore_dependencies:
+ if req_to_install.extras:
+ logger.debug(
+ "Installing extra requirements: %r",
+ ','.join(req_to_install.extras),
+ )
+ missing_requested = sorted(
+ set(req_to_install.extras) - set(dist.extras)
+ )
+ for missing in missing_requested:
+ logger.warning(
+ '%s does not provide the extra \'%s\'',
+ dist, missing
+ )
+
+ available_requested = sorted(
+ set(dist.extras) & set(req_to_install.extras)
+ )
+ for subreq in dist.requires(available_requested):
+ add_req(subreq, extras_requested=available_requested)
+
+ if not req_to_install.editable and not req_to_install.satisfied_by:
+ # XXX: --no-install leads this to report 'Successfully
+ # downloaded' for only non-editable reqs, even though we took
+ # action on them.
+ requirement_set.successfully_downloaded.append(req_to_install)
+
+ return more_reqs
+
+ def get_installation_order(self, req_set):
+ # type: (RequirementSet) -> List[InstallRequirement]
+ """Create the installation order.
+
+ The installation order is topological - requirements are installed
+ before the requiring thing. We break cycles at an arbitrary point,
+ and make no other guarantees.
+ """
+ # The current implementation, which we may change at any point
+ # installs the user specified things in the order given, except when
+ # dependencies must come earlier to achieve topological order.
+ order = []
+ ordered_reqs = set() # type: Set[InstallRequirement]
+
+ def schedule(req):
+ if req.satisfied_by or req in ordered_reqs:
+ return
+ if req.constraint:
+ return
+ ordered_reqs.add(req)
+ for dep in self._discovered_dependencies[req.name]:
+ schedule(dep)
+ order.append(req)
+
+ for install_req in req_set.requirements.values():
+ schedule(install_req)
+ return order
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/locations.py b/venv/lib/python3.7/site-packages/pip/_internal/locations.py
new file mode 100644
index 0000000..5f843d7
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/locations.py
@@ -0,0 +1,142 @@
+"""Locations where we look for configs, install stuff, etc"""
+from __future__ import absolute_import
+
+import os
+import os.path
+import platform
+import site
+import sys
+import sysconfig
+from distutils import sysconfig as distutils_sysconfig
+from distutils.command.install import SCHEME_KEYS # type: ignore
+
+from pip._internal.utils import appdirs
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+if MYPY_CHECK_RUNNING:
+ from typing import Any, Union, Dict, List, Optional
+
+
+# Application Directories
+USER_CACHE_DIR = appdirs.user_cache_dir("pip")
+
+
+def get_src_prefix():
+ if running_under_virtualenv():
+ src_prefix = os.path.join(sys.prefix, 'src')
+ else:
+ # FIXME: keep src in cwd for now (it is not a temporary folder)
+ try:
+ src_prefix = os.path.join(os.getcwd(), 'src')
+ except OSError:
+ # In case the current working directory has been renamed or deleted
+ sys.exit(
+ "The folder you are executing pip from can no longer be found."
+ )
+
+ # under macOS + virtualenv sys.prefix is not properly resolved
+ # it is something like /path/to/python/bin/..
+ return os.path.abspath(src_prefix)
+
+
+# FIXME doesn't account for venv linked to global site-packages
+
+site_packages = sysconfig.get_path("purelib") # type: Optional[str]
+
+# This is because of a bug in PyPy's sysconfig module, see
+# https://bitbucket.org/pypy/pypy/issues/2506/sysconfig-returns-incorrect-paths
+# for more information.
+if platform.python_implementation().lower() == "pypy":
+ site_packages = distutils_sysconfig.get_python_lib()
+try:
+ # Use getusersitepackages if this is present, as it ensures that the
+ # value is initialised properly.
+ user_site = site.getusersitepackages()
+except AttributeError:
+ user_site = site.USER_SITE
+
+if WINDOWS:
+ bin_py = os.path.join(sys.prefix, 'Scripts')
+ bin_user = os.path.join(user_site, 'Scripts')
+ # buildout uses 'bin' on Windows too?
+ if not os.path.exists(bin_py):
+ bin_py = os.path.join(sys.prefix, 'bin')
+ bin_user = os.path.join(user_site, 'bin')
+else:
+ bin_py = os.path.join(sys.prefix, 'bin')
+ bin_user = os.path.join(user_site, 'bin')
+
+ # Forcing to use /usr/local/bin for standard macOS framework installs
+ # Also log to ~/Library/Logs/ for use with the Console.app log viewer
+ if sys.platform[:6] == 'darwin' and sys.prefix[:16] == '/System/Library/':
+ bin_py = '/usr/local/bin'
+
+
+def distutils_scheme(dist_name, user=False, home=None, root=None,
+ isolated=False, prefix=None):
+ # type:(str, bool, str, str, bool, str) -> dict
+ """
+ Return a distutils install scheme
+ """
+ from distutils.dist import Distribution
+
+ scheme = {}
+
+ if isolated:
+ extra_dist_args = {"script_args": ["--no-user-cfg"]}
+ else:
+ extra_dist_args = {}
+ dist_args = {'name': dist_name} # type: Dict[str, Union[str, List[str]]]
+ dist_args.update(extra_dist_args)
+
+ d = Distribution(dist_args)
+ # Ignoring, typeshed issue reported python/typeshed/issues/2567
+ d.parse_config_files()
+ # NOTE: Ignoring type since mypy can't find attributes on 'Command'
+ i = d.get_command_obj('install', create=True) # type: Any
+ assert i is not None
+ # NOTE: setting user or home has the side-effect of creating the home dir
+ # or user base for installations during finalize_options()
+ # ideally, we'd prefer a scheme class that has no side-effects.
+ assert not (user and prefix), "user={} prefix={}".format(user, prefix)
+ assert not (home and prefix), "home={} prefix={}".format(home, prefix)
+ i.user = user or i.user
+ if user or home:
+ i.prefix = ""
+ i.prefix = prefix or i.prefix
+ i.home = home or i.home
+ i.root = root or i.root
+ i.finalize_options()
+ for key in SCHEME_KEYS:
+ scheme[key] = getattr(i, 'install_' + key)
+
+ # install_lib specified in setup.cfg should install *everything*
+ # into there (i.e. it takes precedence over both purelib and
+ # platlib). Note, i.install_lib is *always* set after
+ # finalize_options(); we only want to override here if the user
+ # has explicitly requested it hence going back to the config
+
+ # Ignoring, typeshed issue reported python/typeshed/issues/2567
+ if 'install_lib' in d.get_option_dict('install'): # type: ignore
+ scheme.update(dict(purelib=i.install_lib, platlib=i.install_lib))
+
+ if running_under_virtualenv():
+ scheme['headers'] = os.path.join(
+ sys.prefix,
+ 'include',
+ 'site',
+ 'python' + sys.version[:3],
+ dist_name,
+ )
+
+ if root is not None:
+ path_no_drive = os.path.splitdrive(
+ os.path.abspath(scheme["headers"]))[1]
+ scheme["headers"] = os.path.join(
+ root,
+ path_no_drive[1:],
+ )
+
+ return scheme
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/models/__init__.py b/venv/lib/python3.7/site-packages/pip/_internal/models/__init__.py
new file mode 100644
index 0000000..7855226
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/models/__init__.py
@@ -0,0 +1,2 @@
+"""A package that contains models that represent entities.
+"""
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/models/candidate.py b/venv/lib/python3.7/site-packages/pip/_internal/models/candidate.py
new file mode 100644
index 0000000..1b99690
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/models/candidate.py
@@ -0,0 +1,36 @@
+from pip._vendor.packaging.version import parse as parse_version
+
+from pip._internal.utils.models import KeyBasedCompareMixin
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+if MYPY_CHECK_RUNNING:
+ from pip._vendor.packaging.version import _BaseVersion
+ from pip._internal.models.link import Link
+ from typing import Any
+
+
+class InstallationCandidate(KeyBasedCompareMixin):
+ """Represents a potential "candidate" for installation.
+ """
+
+ def __init__(self, project, version, link):
+ # type: (Any, str, Link) -> None
+ self.project = project
+ self.version = parse_version(version) # type: _BaseVersion
+ self.link = link
+
+ super(InstallationCandidate, self).__init__(
+ key=(self.project, self.version, self.link),
+ defining_class=InstallationCandidate
+ )
+
+ def __repr__(self):
+ # type: () -> str
+ return "<InstallationCandidate({!r}, {!r}, {!r})>".format(
+ self.project, self.version, self.link,
+ )
+
+ def __str__(self):
+ return '{!r} candidate (version {} at {})'.format(
+ self.project, self.version, self.link,
+ )
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/models/format_control.py b/venv/lib/python3.7/site-packages/pip/_internal/models/format_control.py
new file mode 100644
index 0000000..53138e4
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/models/format_control.py
@@ -0,0 +1,73 @@
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+if MYPY_CHECK_RUNNING:
+ from typing import Optional, Set, FrozenSet
+
+
+class FormatControl(object):
+ """Helper for managing formats from which a package can be installed.
+ """
+
+ def __init__(self, no_binary=None, only_binary=None):
+ # type: (Optional[Set], Optional[Set]) -> None
+ if no_binary is None:
+ no_binary = set()
+ if only_binary is None:
+ only_binary = set()
+
+ self.no_binary = no_binary
+ self.only_binary = only_binary
+
+ def __eq__(self, other):
+ return self.__dict__ == other.__dict__
+
+ def __ne__(self, other):
+ return not self.__eq__(other)
+
+ def __repr__(self):
+ return "{}({}, {})".format(
+ self.__class__.__name__,
+ self.no_binary,
+ self.only_binary
+ )
+
+ @staticmethod
+ def handle_mutual_excludes(value, target, other):
+ # type: (str, Optional[Set], Optional[Set]) -> None
+ new = value.split(',')
+ while ':all:' in new:
+ other.clear()
+ target.clear()
+ target.add(':all:')
+ del new[:new.index(':all:') + 1]
+ # Without a none, we want to discard everything as :all: covers it
+ if ':none:' not in new:
+ return
+ for name in new:
+ if name == ':none:':
+ target.clear()
+ continue
+ name = canonicalize_name(name)
+ other.discard(name)
+ target.add(name)
+
+ def get_allowed_formats(self, canonical_name):
+ # type: (str) -> FrozenSet
+ result = {"binary", "source"}
+ if canonical_name in self.only_binary:
+ result.discard('source')
+ elif canonical_name in self.no_binary:
+ result.discard('binary')
+ elif ':all:' in self.only_binary:
+ result.discard('source')
+ elif ':all:' in self.no_binary:
+ result.discard('binary')
+ return frozenset(result)
+
+ def disallow_binaries(self):
+ # type: () -> None
+ self.handle_mutual_excludes(
+ ':all:', self.no_binary, self.only_binary,
+ )
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/models/index.py b/venv/lib/python3.7/site-packages/pip/_internal/models/index.py
new file mode 100644
index 0000000..ead1efb
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/models/index.py
@@ -0,0 +1,31 @@
+from pip._vendor.six.moves.urllib import parse as urllib_parse
+
+
+class PackageIndex(object):
+ """Represents a Package Index and provides easier access to endpoints
+ """
+
+ def __init__(self, url, file_storage_domain):
+ # type: (str, str) -> None
+ super(PackageIndex, self).__init__()
+ self.url = url
+ self.netloc = urllib_parse.urlsplit(url).netloc
+ self.simple_url = self._url_for_path('simple')
+ self.pypi_url = self._url_for_path('pypi')
+
+ # This is part of a temporary hack used to block installs of PyPI
+ # packages which depend on external urls only necessary until PyPI can
+ # block such packages themselves
+ self.file_storage_domain = file_storage_domain
+
+ def _url_for_path(self, path):
+ # type: (str) -> str
+ return urllib_parse.urljoin(self.url, path)
+
+
+PyPI = PackageIndex(
+ 'https://pypi.org/', file_storage_domain='files.pythonhosted.org'
+)
+TestPyPI = PackageIndex(
+ 'https://test.pypi.org/', file_storage_domain='test-files.pythonhosted.org'
+)
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/models/link.py b/venv/lib/python3.7/site-packages/pip/_internal/models/link.py
new file mode 100644
index 0000000..d42be28
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/models/link.py
@@ -0,0 +1,213 @@
+import posixpath
+import re
+
+from pip._vendor.six.moves.urllib import parse as urllib_parse
+
+from pip._internal.utils.misc import (
+ WHEEL_EXTENSION, path_to_url, redact_password_from_url,
+ split_auth_from_netloc, splitext,
+)
+from pip._internal.utils.models import KeyBasedCompareMixin
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+if MYPY_CHECK_RUNNING:
+ from typing import Optional, Text, Tuple, Union
+ from pip._internal.index import HTMLPage
+ from pip._internal.utils.hashes import Hashes
+
+
+class Link(KeyBasedCompareMixin):
+ """Represents a parsed link from a Package Index's simple URL
+ """
+
+ def __init__(
+ self,
+ url, # type: str
+ comes_from=None, # type: Optional[Union[str, HTMLPage]]
+ requires_python=None, # type: Optional[str]
+ yanked_reason=None, # type: Optional[Text]
+ ):
+ # type: (...) -> None
+ """
+ :param url: url of the resource pointed to (href of the link)
+ :param comes_from: instance of HTMLPage where the link was found,
+ or string.
+ :param requires_python: String containing the `Requires-Python`
+ metadata field, specified in PEP 345. This may be specified by
+ a data-requires-python attribute in the HTML link tag, as
+ described in PEP 503.
+ :param yanked_reason: the reason the file has been yanked, if the
+ file has been yanked, or None if the file hasn't been yanked.
+ This is the value of the "data-yanked" attribute, if present, in
+ a simple repository HTML link. If the file has been yanked but
+ no reason was provided, this should be the empty string. See
+ PEP 592 for more information and the specification.
+ """
+
+ # url can be a UNC windows share
+ if url.startswith('\\\\'):
+ url = path_to_url(url)
+
+ self._parsed_url = urllib_parse.urlsplit(url)
+ # Store the url as a private attribute to prevent accidentally
+ # trying to set a new value.
+ self._url = url
+
+ self.comes_from = comes_from
+ self.requires_python = requires_python if requires_python else None
+ self.yanked_reason = yanked_reason
+
+ super(Link, self).__init__(key=url, defining_class=Link)
+
+ def __str__(self):
+ if self.requires_python:
+ rp = ' (requires-python:%s)' % self.requires_python
+ else:
+ rp = ''
+ if self.comes_from:
+ return '%s (from %s)%s' % (redact_password_from_url(self._url),
+ self.comes_from, rp)
+ else:
+ return redact_password_from_url(str(self._url))
+
+ def __repr__(self):
+ return '<Link %s>' % self
+
+ @property
+ def url(self):
+ # type: () -> str
+ return self._url
+
+ @property
+ def filename(self):
+ # type: () -> str
+ path = self.path.rstrip('/')
+ name = posixpath.basename(path)
+ if not name:
+ # Make sure we don't leak auth information if the netloc
+ # includes a username and password.
+ netloc, user_pass = split_auth_from_netloc(self.netloc)
+ return netloc
+
+ name = urllib_parse.unquote(name)
+ assert name, ('URL %r produced no filename' % self._url)
+ return name
+
+ @property
+ def scheme(self):
+ # type: () -> str
+ return self._parsed_url.scheme
+
+ @property
+ def netloc(self):
+ # type: () -> str
+ """
+ This can contain auth information.
+ """
+ return self._parsed_url.netloc
+
+ @property
+ def path(self):
+ # type: () -> str
+ return urllib_parse.unquote(self._parsed_url.path)
+
+ def splitext(self):
+ # type: () -> Tuple[str, str]
+ return splitext(posixpath.basename(self.path.rstrip('/')))
+
+ @property
+ def ext(self):
+ # type: () -> str
+ return self.splitext()[1]
+
+ @property
+ def url_without_fragment(self):
+ # type: () -> str
+ scheme, netloc, path, query, fragment = self._parsed_url
+ return urllib_parse.urlunsplit((scheme, netloc, path, query, None))
+
+ _egg_fragment_re = re.compile(r'[#&]egg=([^&]*)')
+
+ @property
+ def egg_fragment(self):
+ # type: () -> Optional[str]
+ match = self._egg_fragment_re.search(self._url)
+ if not match:
+ return None
+ return match.group(1)
+
+ _subdirectory_fragment_re = re.compile(r'[#&]subdirectory=([^&]*)')
+
+ @property
+ def subdirectory_fragment(self):
+ # type: () -> Optional[str]
+ match = self._subdirectory_fragment_re.search(self._url)
+ if not match:
+ return None
+ return match.group(1)
+
+ _hash_re = re.compile(
+ r'(sha1|sha224|sha384|sha256|sha512|md5)=([a-f0-9]+)'
+ )
+
+ @property
+ def hash(self):
+ # type: () -> Optional[str]
+ match = self._hash_re.search(self._url)
+ if match:
+ return match.group(2)
+ return None
+
+ @property
+ def hash_name(self):
+ # type: () -> Optional[str]
+ match = self._hash_re.search(self._url)
+ if match:
+ return match.group(1)
+ return None
+
+ @property
+ def show_url(self):
+ # type: () -> Optional[str]
+ return posixpath.basename(self._url.split('#', 1)[0].split('?', 1)[0])
+
+ @property
+ def is_wheel(self):
+ # type: () -> bool
+ return self.ext == WHEEL_EXTENSION
+
+ @property
+ def is_artifact(self):
+ # type: () -> bool
+ """
+ Determines if this points to an actual artifact (e.g. a tarball) or if
+ it points to an "abstract" thing like a path or a VCS location.
+ """
+ from pip._internal.vcs import vcs
+
+ if self.scheme in vcs.all_schemes:
+ return False
+
+ return True
+
+ @property
+ def is_yanked(self):
+ # type: () -> bool
+ return self.yanked_reason is not None
+
+ @property
+ def has_hash(self):
+ return self.hash_name is not None
+
+ def is_hash_allowed(self, hashes):
+ # type: (Optional[Hashes]) -> bool
+ """
+ Return True if the link has a hash and it is allowed.
+ """
+ if hashes is None or not self.has_hash:
+ return False
+ # Assert non-None so mypy knows self.hash_name and self.hash are str.
+ assert self.hash_name is not None
+ assert self.hash is not None
+
+ return hashes.is_hash_allowed(self.hash_name, hex_digest=self.hash)
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/models/search_scope.py b/venv/lib/python3.7/site-packages/pip/_internal/models/search_scope.py
new file mode 100644
index 0000000..6215244
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/models/search_scope.py
@@ -0,0 +1,113 @@
+import itertools
+import logging
+import os
+import posixpath
+
+from pip._vendor.packaging.utils import canonicalize_name
+from pip._vendor.six.moves.urllib import parse as urllib_parse
+
+from pip._internal.models.index import PyPI
+from pip._internal.utils.compat import HAS_TLS
+from pip._internal.utils.misc import normalize_path, redact_password_from_url
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+if MYPY_CHECK_RUNNING:
+ from typing import List
+
+
+logger = logging.getLogger(__name__)
+
+
+class SearchScope(object):
+
+ """
+ Encapsulates the locations that pip is configured to search.
+ """
+
+ @classmethod
+ def create(
+ cls,
+ find_links, # type: List[str]
+ index_urls, # type: List[str]
+ ):
+ # type: (...) -> SearchScope
+ """
+ Create a SearchScope object after normalizing the `find_links`.
+ """
+ # Build find_links. If an argument starts with ~, it may be
+ # a local file relative to a home directory. So try normalizing
+ # it and if it exists, use the normalized version.
+ # This is deliberately conservative - it might be fine just to
+ # blindly normalize anything starting with a ~...
+ built_find_links = [] # type: List[str]
+ for link in find_links:
+ if link.startswith('~'):
+ new_link = normalize_path(link)
+ if os.path.exists(new_link):
+ link = new_link
+ built_find_links.append(link)
+
+ # If we don't have TLS enabled, then WARN if anyplace we're looking
+ # relies on TLS.
+ if not HAS_TLS:
+ for link in itertools.chain(index_urls, built_find_links):
+ parsed = urllib_parse.urlparse(link)
+ if parsed.scheme == 'https':
+ logger.warning(
+ 'pip is configured with locations that require '
+ 'TLS/SSL, however the ssl module in Python is not '
+ 'available.'
+ )
+ break
+
+ return cls(
+ find_links=built_find_links,
+ index_urls=index_urls,
+ )
+
+ def __init__(
+ self,
+ find_links, # type: List[str]
+ index_urls, # type: List[str]
+ ):
+ # type: (...) -> None
+ self.find_links = find_links
+ self.index_urls = index_urls
+
+ def get_formatted_locations(self):
+ # type: () -> str
+ lines = []
+ if self.index_urls and self.index_urls != [PyPI.simple_url]:
+ lines.append(
+ 'Looking in indexes: {}'.format(', '.join(
+ redact_password_from_url(url) for url in self.index_urls))
+ )
+ if self.find_links:
+ lines.append(
+ 'Looking in links: {}'.format(', '.join(
+ redact_password_from_url(url) for url in self.find_links))
+ )
+ return '\n'.join(lines)
+
+ def get_index_urls_locations(self, project_name):
+ # type: (str) -> List[str]
+ """Returns the locations found via self.index_urls
+
+ Checks the url_name on the main (first in the list) index and
+ use this url_name to produce all locations
+ """
+
+ def mkurl_pypi_url(url):
+ loc = posixpath.join(
+ url,
+ urllib_parse.quote(canonicalize_name(project_name)))
+ # For maximum compatibility with easy_install, ensure the path
+ # ends in a trailing slash. Although this isn't in the spec
+ # (and PyPI can handle it without the slash) some other index
+ # implementations might break if they relied on easy_install's
+ # behavior.
+ if not loc.endswith('/'):
+ loc = loc + '/'
+ return loc
+
+ return [mkurl_pypi_url(url) for url in self.index_urls]
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/models/selection_prefs.py b/venv/lib/python3.7/site-packages/pip/_internal/models/selection_prefs.py
new file mode 100644
index 0000000..f58fdce
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/models/selection_prefs.py
@@ -0,0 +1,47 @@
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+if MYPY_CHECK_RUNNING:
+ from typing import Optional
+ from pip._internal.models.format_control import FormatControl
+
+
+class SelectionPreferences(object):
+
+ """
+ Encapsulates the candidate selection preferences for downloading
+ and installing files.
+ """
+
+ # Don't include an allow_yanked default value to make sure each call
+ # site considers whether yanked releases are allowed. This also causes
+ # that decision to be made explicit in the calling code, which helps
+ # people when reading the code.
+ def __init__(
+ self,
+ allow_yanked, # type: bool
+ allow_all_prereleases=False, # type: bool
+ format_control=None, # type: Optional[FormatControl]
+ prefer_binary=False, # type: bool
+ ignore_requires_python=None, # type: Optional[bool]
+ ):
+ # type: (...) -> None
+ """Create a SelectionPreferences object.
+
+ :param allow_yanked: Whether files marked as yanked (in the sense
+ of PEP 592) are permitted to be candidates for install.
+ :param format_control: A FormatControl object or None. Used to control
+ the selection of source packages / binary packages when consulting
+ the index and links.
+ :param prefer_binary: Whether to prefer an old, but valid, binary
+ dist over a new source dist.
+ :param ignore_requires_python: Whether to ignore incompatible
+ "Requires-Python" values in links. Defaults to False.
+ """
+ if ignore_requires_python is None:
+ ignore_requires_python = False
+
+ self.allow_yanked = allow_yanked
+ self.allow_all_prereleases = allow_all_prereleases
+ self.format_control = format_control
+ self.prefer_binary = prefer_binary
+ self.ignore_requires_python = ignore_requires_python
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/models/target_python.py b/venv/lib/python3.7/site-packages/pip/_internal/models/target_python.py
new file mode 100644
index 0000000..a23b79c
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/models/target_python.py
@@ -0,0 +1,106 @@
+import sys
+
+from pip._internal.pep425tags import get_supported, version_info_to_nodot
+from pip._internal.utils.misc import normalize_version_info
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+if MYPY_CHECK_RUNNING:
+ from typing import List, Optional, Tuple
+ from pip._internal.pep425tags import Pep425Tag
+
+
+class TargetPython(object):
+
+ """
+ Encapsulates the properties of a Python interpreter one is targeting
+ for a package install, download, etc.
+ """
+
+ def __init__(
+ self,
+ platform=None, # type: Optional[str]
+ py_version_info=None, # type: Optional[Tuple[int, ...]]
+ abi=None, # type: Optional[str]
+ implementation=None, # type: Optional[str]
+ ):
+ # type: (...) -> None
+ """
+ :param platform: A string or None. If None, searches for packages
+ that are supported by the current system. Otherwise, will find
+ packages that can be built on the platform passed in. These
+ packages will only be downloaded for distribution: they will
+ not be built locally.
+ :param py_version_info: An optional tuple of ints representing the
+ Python version information to use (e.g. `sys.version_info[:3]`).
+ This can have length 1, 2, or 3 when provided.
+ :param abi: A string or None. This is passed to pep425tags.py's
+ get_supported() function as is.
+ :param implementation: A string or None. This is passed to
+ pep425tags.py's get_supported() function as is.
+ """
+ # Store the given py_version_info for when we call get_supported().
+ self._given_py_version_info = py_version_info
+
+ if py_version_info is None:
+ py_version_info = sys.version_info[:3]
+ else:
+ py_version_info = normalize_version_info(py_version_info)
+
+ py_version = '.'.join(map(str, py_version_info[:2]))
+
+ self.abi = abi
+ self.implementation = implementation
+ self.platform = platform
+ self.py_version = py_version
+ self.py_version_info = py_version_info
+
+ # This is used to cache the return value of get_tags().
+ self._valid_tags = None # type: Optional[List[Pep425Tag]]
+
+ def format_given(self):
+ # type: () -> str
+ """
+ Format the given, non-None attributes for display.
+ """
+ display_version = None
+ if self._given_py_version_info is not None:
+ display_version = '.'.join(
+ str(part) for part in self._given_py_version_info
+ )
+
+ key_values = [
+ ('platform', self.platform),
+ ('version_info', display_version),
+ ('abi', self.abi),
+ ('implementation', self.implementation),
+ ]
+ return ' '.join(
+ '{}={!r}'.format(key, value) for key, value in key_values
+ if value is not None
+ )
+
+ def get_tags(self):
+ # type: () -> List[Pep425Tag]
+ """
+ Return the supported PEP 425 tags to check wheel candidates against.
+
+ The tags are returned in order of preference (most preferred first).
+ """
+ if self._valid_tags is None:
+ # Pass versions=None if no py_version_info was given since
+ # versions=None uses special default logic.
+ py_version_info = self._given_py_version_info
+ if py_version_info is None:
+ versions = None
+ else:
+ versions = [version_info_to_nodot(py_version_info)]
+
+ tags = get_supported(
+ versions=versions,
+ platform=self.platform,
+ abi=self.abi,
+ impl=self.implementation,
+ )
+ self._valid_tags = tags
+
+ return self._valid_tags
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/operations/__init__.py b/venv/lib/python3.7/site-packages/pip/_internal/operations/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/operations/__init__.py
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/operations/check.py b/venv/lib/python3.7/site-packages/pip/_internal/operations/check.py
new file mode 100644
index 0000000..7b8b369
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/operations/check.py
@@ -0,0 +1,159 @@
+"""Validation of dependencies of packages
+"""
+
+import logging
+from collections import namedtuple
+
+from pip._vendor.packaging.utils import canonicalize_name
+from pip._vendor.pkg_resources import RequirementParseError
+
+from pip._internal.distributions import (
+ make_distribution_for_install_requirement,
+)
+from pip._internal.utils.misc import get_installed_distributions
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+logger = logging.getLogger(__name__)
+
+if MYPY_CHECK_RUNNING:
+ from pip._internal.req.req_install import InstallRequirement
+ from typing import (
+ Any, Callable, Dict, Optional, Set, Tuple, List
+ )
+
+ # Shorthands
+ PackageSet = Dict[str, 'PackageDetails']
+ Missing = Tuple[str, Any]
+ Conflicting = Tuple[str, str, Any]
+
+ MissingDict = Dict[str, List[Missing]]
+ ConflictingDict = Dict[str, List[Conflicting]]
+ CheckResult = Tuple[MissingDict, ConflictingDict]
+
+PackageDetails = namedtuple('PackageDetails', ['version', 'requires'])
+
+
+def create_package_set_from_installed(**kwargs):
+ # type: (**Any) -> Tuple[PackageSet, bool]
+ """Converts a list of distributions into a PackageSet.
+ """
+ # Default to using all packages installed on the system
+ if kwargs == {}:
+ kwargs = {"local_only": False, "skip": ()}
+
+ package_set = {}
+ problems = False
+ for dist in get_installed_distributions(**kwargs):
+ name = canonicalize_name(dist.project_name)
+ try:
+ package_set[name] = PackageDetails(dist.version, dist.requires())
+ except RequirementParseError as e:
+ # Don't crash on broken metadata
+ logging.warning("Error parsing requirements for %s: %s", name, e)
+ problems = True
+ return package_set, problems
+
+
+def check_package_set(package_set, should_ignore=None):
+ # type: (PackageSet, Optional[Callable[[str], bool]]) -> CheckResult
+ """Check if a package set is consistent
+
+ If should_ignore is passed, it should be a callable that takes a
+ package name and returns a boolean.
+ """
+ if should_ignore is None:
+ def should_ignore(name):
+ return False
+
+ missing = dict()
+ conflicting = dict()
+
+ for package_name in package_set:
+ # Info about dependencies of package_name
+ missing_deps = set() # type: Set[Missing]
+ conflicting_deps = set() # type: Set[Conflicting]
+
+ if should_ignore(package_name):
+ continue
+
+ for req in package_set[package_name].requires:
+ name = canonicalize_name(req.project_name) # type: str
+
+ # Check if it's missing
+ if name not in package_set:
+ missed = True
+ if req.marker is not None:
+ missed = req.marker.evaluate()
+ if missed:
+ missing_deps.add((name, req))
+ continue
+
+ # Check if there's a conflict
+ version = package_set[name].version # type: str
+ if not req.specifier.contains(version, prereleases=True):
+ conflicting_deps.add((name, version, req))
+
+ if missing_deps:
+ missing[package_name] = sorted(missing_deps, key=str)
+ if conflicting_deps:
+ conflicting[package_name] = sorted(conflicting_deps, key=str)
+
+ return missing, conflicting
+
+
+def check_install_conflicts(to_install):
+ # type: (List[InstallRequirement]) -> Tuple[PackageSet, CheckResult]
+ """For checking if the dependency graph would be consistent after \
+ installing given requirements
+ """
+ # Start from the current state
+ package_set, _ = create_package_set_from_installed()
+ # Install packages
+ would_be_installed = _simulate_installation_of(to_install, package_set)
+
+ # Only warn about directly-dependent packages; create a whitelist of them
+ whitelist = _create_whitelist(would_be_installed, package_set)
+
+ return (
+ package_set,
+ check_package_set(
+ package_set, should_ignore=lambda name: name not in whitelist
+ )
+ )
+
+
+def _simulate_installation_of(to_install, package_set):
+ # type: (List[InstallRequirement], PackageSet) -> Set[str]
+ """Computes the version of packages after installing to_install.
+ """
+
+ # Keep track of packages that were installed
+ installed = set()
+
+ # Modify it as installing requirement_set would (assuming no errors)
+ for inst_req in to_install:
+ abstract_dist = make_distribution_for_install_requirement(inst_req)
+ dist = abstract_dist.get_pkg_resources_distribution()
+
+ name = canonicalize_name(dist.key)
+ package_set[name] = PackageDetails(dist.version, dist.requires())
+
+ installed.add(name)
+
+ return installed
+
+
+def _create_whitelist(would_be_installed, package_set):
+ # type: (Set[str], PackageSet) -> Set[str]
+ packages_affected = set(would_be_installed)
+
+ for package_name in package_set:
+ if package_name in packages_affected:
+ continue
+
+ for req in package_set[package_name].requires:
+ if canonicalize_name(req.name) in packages_affected:
+ packages_affected.add(package_name)
+ break
+
+ return packages_affected
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/operations/freeze.py b/venv/lib/python3.7/site-packages/pip/_internal/operations/freeze.py
new file mode 100644
index 0000000..6f5a3dd
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/operations/freeze.py
@@ -0,0 +1,253 @@
+from __future__ import absolute_import
+
+import collections
+import logging
+import os
+import re
+
+from pip._vendor import six
+from pip._vendor.packaging.utils import canonicalize_name
+from pip._vendor.pkg_resources import RequirementParseError
+
+from pip._internal.exceptions import BadCommand, InstallationError
+from pip._internal.req.constructors import (
+ install_req_from_editable, install_req_from_line,
+)
+from pip._internal.req.req_file import COMMENT_RE
+from pip._internal.utils.misc import (
+ dist_is_editable, get_installed_distributions,
+)
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+if MYPY_CHECK_RUNNING:
+ from typing import (
+ Iterator, Optional, List, Container, Set, Dict, Tuple, Iterable, Union
+ )
+ from pip._internal.cache import WheelCache
+ from pip._vendor.pkg_resources import (
+ Distribution, Requirement
+ )
+
+ RequirementInfo = Tuple[Optional[Union[str, Requirement]], bool, List[str]]
+
+
+logger = logging.getLogger(__name__)
+
+
+def freeze(
+ requirement=None, # type: Optional[List[str]]
+ find_links=None, # type: Optional[List[str]]
+ local_only=None, # type: Optional[bool]
+ user_only=None, # type: Optional[bool]
+ paths=None, # type: Optional[List[str]]
+ skip_regex=None, # type: Optional[str]
+ isolated=False, # type: bool
+ wheel_cache=None, # type: Optional[WheelCache]
+ exclude_editable=False, # type: bool
+ skip=() # type: Container[str]
+):
+ # type: (...) -> Iterator[str]
+ find_links = find_links or []
+ skip_match = None
+
+ if skip_regex:
+ skip_match = re.compile(skip_regex).search
+
+ for link in find_links:
+ yield '-f %s' % link
+ installations = {} # type: Dict[str, FrozenRequirement]
+ for dist in get_installed_distributions(local_only=local_only,
+ skip=(),
+ user_only=user_only,
+ paths=paths):
+ try:
+ req = FrozenRequirement.from_dist(dist)
+ except RequirementParseError as exc:
+ # We include dist rather than dist.project_name because the
+ # dist string includes more information, like the version and
+ # location. We also include the exception message to aid
+ # troubleshooting.
+ logger.warning(
+ 'Could not generate requirement for distribution %r: %s',
+ dist, exc
+ )
+ continue
+ if exclude_editable and req.editable:
+ continue
+ installations[req.name] = req
+
+ if requirement:
+ # the options that don't get turned into an InstallRequirement
+ # should only be emitted once, even if the same option is in multiple
+ # requirements files, so we need to keep track of what has been emitted
+ # so that we don't emit it again if it's seen again
+ emitted_options = set() # type: Set[str]
+ # keep track of which files a requirement is in so that we can
+ # give an accurate warning if a requirement appears multiple times.
+ req_files = collections.defaultdict(list) # type: Dict[str, List[str]]
+ for req_file_path in requirement:
+ with open(req_file_path) as req_file:
+ for line in req_file:
+ if (not line.strip() or
+ line.strip().startswith('#') or
+ (skip_match and skip_match(line)) or
+ line.startswith((
+ '-r', '--requirement',
+ '-Z', '--always-unzip',
+ '-f', '--find-links',
+ '-i', '--index-url',
+ '--pre',
+ '--trusted-host',
+ '--process-dependency-links',
+ '--extra-index-url'))):
+ line = line.rstrip()
+ if line not in emitted_options:
+ emitted_options.add(line)
+ yield line
+ continue
+
+ if line.startswith('-e') or line.startswith('--editable'):
+ if line.startswith('-e'):
+ line = line[2:].strip()
+ else:
+ line = line[len('--editable'):].strip().lstrip('=')
+ line_req = install_req_from_editable(
+ line,
+ isolated=isolated,
+ wheel_cache=wheel_cache,
+ )
+ else:
+ line_req = install_req_from_line(
+ COMMENT_RE.sub('', line).strip(),
+ isolated=isolated,
+ wheel_cache=wheel_cache,
+ )
+
+ if not line_req.name:
+ logger.info(
+ "Skipping line in requirement file [%s] because "
+ "it's not clear what it would install: %s",
+ req_file_path, line.strip(),
+ )
+ logger.info(
+ " (add #egg=PackageName to the URL to avoid"
+ " this warning)"
+ )
+ elif line_req.name not in installations:
+ # either it's not installed, or it is installed
+ # but has been processed already
+ if not req_files[line_req.name]:
+ logger.warning(
+ "Requirement file [%s] contains %s, but "
+ "package %r is not installed",
+ req_file_path,
+ COMMENT_RE.sub('', line).strip(), line_req.name
+ )
+ else:
+ req_files[line_req.name].append(req_file_path)
+ else:
+ yield str(installations[line_req.name]).rstrip()
+ del installations[line_req.name]
+ req_files[line_req.name].append(req_file_path)
+
+ # Warn about requirements that were included multiple times (in a
+ # single requirements file or in different requirements files).
+ for name, files in six.iteritems(req_files):
+ if len(files) > 1:
+ logger.warning("Requirement %s included multiple times [%s]",
+ name, ', '.join(sorted(set(files))))
+
+ yield(
+ '## The following requirements were added by '
+ 'pip freeze:'
+ )
+ for installation in sorted(
+ installations.values(), key=lambda x: x.name.lower()):
+ if canonicalize_name(installation.name) not in skip:
+ yield str(installation).rstrip()
+
+
+def get_requirement_info(dist):
+ # type: (Distribution) -> RequirementInfo
+ """
+ Compute and return values (req, editable, comments) for use in
+ FrozenRequirement.from_dist().
+ """
+ if not dist_is_editable(dist):
+ return (None, False, [])
+
+ location = os.path.normcase(os.path.abspath(dist.location))
+
+ from pip._internal.vcs import vcs, RemoteNotFoundError
+ vcs_backend = vcs.get_backend_for_dir(location)
+
+ if vcs_backend is None:
+ req = dist.as_requirement()
+ logger.debug(
+ 'No VCS found for editable requirement "%s" in: %r', req,
+ location,
+ )
+ comments = [
+ '# Editable install with no version control ({})'.format(req)
+ ]
+ return (location, True, comments)
+
+ try:
+ req = vcs_backend.get_src_requirement(location, dist.project_name)
+ except RemoteNotFoundError:
+ req = dist.as_requirement()
+ comments = [
+ '# Editable {} install with no remote ({})'.format(
+ type(vcs_backend).__name__, req,
+ )
+ ]
+ return (location, True, comments)
+
+ except BadCommand:
+ logger.warning(
+ 'cannot determine version of editable source in %s '
+ '(%s command not found in path)',
+ location,
+ vcs_backend.name,
+ )
+ return (None, True, [])
+
+ except InstallationError as exc:
+ logger.warning(
+ "Error when trying to get requirement for VCS system %s, "
+ "falling back to uneditable format", exc
+ )
+ else:
+ if req is not None:
+ return (req, True, [])
+
+ logger.warning(
+ 'Could not determine repository location of %s', location
+ )
+ comments = ['## !! Could not determine repository location']
+
+ return (None, False, comments)
+
+
+class FrozenRequirement(object):
+ def __init__(self, name, req, editable, comments=()):
+ # type: (str, Union[str, Requirement], bool, Iterable[str]) -> None
+ self.name = name
+ self.req = req
+ self.editable = editable
+ self.comments = comments
+
+ @classmethod
+ def from_dist(cls, dist):
+ # type: (Distribution) -> FrozenRequirement
+ req, editable, comments = get_requirement_info(dist)
+ if req is None:
+ req = dist.as_requirement()
+
+ return cls(dist.project_name, req, editable, comments=comments)
+
+ def __str__(self):
+ req = self.req
+ if self.editable:
+ req = '-e %s' % req
+ return '\n'.join(list(self.comments) + [str(req)]) + '\n'
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/operations/prepare.py b/venv/lib/python3.7/site-packages/pip/_internal/operations/prepare.py
new file mode 100644
index 0000000..6cf5f0e
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/operations/prepare.py
@@ -0,0 +1,287 @@
+"""Prepares a distribution for installation
+"""
+
+import logging
+import os
+
+from pip._vendor import requests
+
+from pip._internal.distributions import (
+ make_distribution_for_install_requirement,
+)
+from pip._internal.distributions.installed import InstalledDistribution
+from pip._internal.download import (
+ is_dir_url, is_file_url, is_vcs_url, unpack_url, url_to_path,
+)
+from pip._internal.exceptions import (
+ DirectoryUrlHashUnsupported, HashUnpinned, InstallationError,
+ PreviousBuildDirError, VcsHashUnsupported,
+)
+from pip._internal.utils.compat import expanduser
+from pip._internal.utils.hashes import MissingHashes
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import display_path, normalize_path
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+if MYPY_CHECK_RUNNING:
+ from typing import Optional
+
+ from pip._internal.distributions import AbstractDistribution
+ from pip._internal.download import PipSession
+ from pip._internal.index import PackageFinder
+ from pip._internal.req.req_install import InstallRequirement
+ from pip._internal.req.req_tracker import RequirementTracker
+
+logger = logging.getLogger(__name__)
+
+
+class RequirementPreparer(object):
+ """Prepares a Requirement
+ """
+
+ def __init__(
+ self,
+ build_dir, # type: str
+ download_dir, # type: Optional[str]
+ src_dir, # type: str
+ wheel_download_dir, # type: Optional[str]
+ progress_bar, # type: str
+ build_isolation, # type: bool
+ req_tracker # type: RequirementTracker
+ ):
+ # type: (...) -> None
+ super(RequirementPreparer, self).__init__()
+
+ self.src_dir = src_dir
+ self.build_dir = build_dir
+ self.req_tracker = req_tracker
+
+ # Where still packed archives should be written to. If None, they are
+ # not saved, and are deleted immediately after unpacking.
+ self.download_dir = download_dir
+
+ # Where still-packed .whl files should be written to. If None, they are
+ # written to the download_dir parameter. Separate to download_dir to
+ # permit only keeping wheel archives for pip wheel.
+ if wheel_download_dir:
+ wheel_download_dir = normalize_path(wheel_download_dir)
+ self.wheel_download_dir = wheel_download_dir
+
+ # NOTE
+ # download_dir and wheel_download_dir overlap semantically and may
+ # be combined if we're willing to have non-wheel archives present in
+ # the wheelhouse output by 'pip wheel'.
+
+ self.progress_bar = progress_bar
+
+ # Is build isolation allowed?
+ self.build_isolation = build_isolation
+
+ @property
+ def _download_should_save(self):
+ # type: () -> bool
+ # TODO: Modify to reduce indentation needed
+ if self.download_dir:
+ self.download_dir = expanduser(self.download_dir)
+ if os.path.exists(self.download_dir):
+ return True
+ else:
+ logger.critical('Could not find download directory')
+ raise InstallationError(
+ "Could not find or access download directory '%s'"
+ % display_path(self.download_dir))
+ return False
+
+ def prepare_linked_requirement(
+ self,
+ req, # type: InstallRequirement
+ session, # type: PipSession
+ finder, # type: PackageFinder
+ upgrade_allowed, # type: bool
+ require_hashes # type: bool
+ ):
+ # type: (...) -> AbstractDistribution
+ """Prepare a requirement that would be obtained from req.link
+ """
+ # TODO: Breakup into smaller functions
+ if req.link and req.link.scheme == 'file':
+ path = url_to_path(req.link.url)
+ logger.info('Processing %s', display_path(path))
+ else:
+ logger.info('Collecting %s', req)
+
+ with indent_log():
+ # @@ if filesystem packages are not marked
+ # editable in a req, a non deterministic error
+ # occurs when the script attempts to unpack the
+ # build directory
+ req.ensure_has_source_dir(self.build_dir)
+ # If a checkout exists, it's unwise to keep going. version
+ # inconsistencies are logged later, but do not fail the
+ # installation.
+ # FIXME: this won't upgrade when there's an existing
+ # package unpacked in `req.source_dir`
+ # package unpacked in `req.source_dir`
+ if os.path.exists(os.path.join(req.source_dir, 'setup.py')):
+ raise PreviousBuildDirError(
+ "pip can't proceed with requirements '%s' due to a"
+ " pre-existing build directory (%s). This is "
+ "likely due to a previous installation that failed"
+ ". pip is being responsible and not assuming it "
+ "can delete this. Please delete it and try again."
+ % (req, req.source_dir)
+ )
+ req.populate_link(finder, upgrade_allowed, require_hashes)
+
+ # We can't hit this spot and have populate_link return None.
+ # req.satisfied_by is None here (because we're
+ # guarded) and upgrade has no impact except when satisfied_by
+ # is not None.
+ # Then inside find_requirement existing_applicable -> False
+ # If no new versions are found, DistributionNotFound is raised,
+ # otherwise a result is guaranteed.
+ assert req.link
+ link = req.link
+
+ # Now that we have the real link, we can tell what kind of
+ # requirements we have and raise some more informative errors
+ # than otherwise. (For example, we can raise VcsHashUnsupported
+ # for a VCS URL rather than HashMissing.)
+ if require_hashes:
+ # We could check these first 2 conditions inside
+ # unpack_url and save repetition of conditions, but then
+ # we would report less-useful error messages for
+ # unhashable requirements, complaining that there's no
+ # hash provided.
+ if is_vcs_url(link):
+ raise VcsHashUnsupported()
+ elif is_file_url(link) and is_dir_url(link):
+ raise DirectoryUrlHashUnsupported()
+ if not req.original_link and not req.is_pinned:
+ # Unpinned packages are asking for trouble when a new
+ # version is uploaded. This isn't a security check, but
+ # it saves users a surprising hash mismatch in the
+ # future.
+ #
+ # file:/// URLs aren't pinnable, so don't complain
+ # about them not being pinned.
+ raise HashUnpinned()
+
+ hashes = req.hashes(trust_internet=not require_hashes)
+ if require_hashes and not hashes:
+ # Known-good hashes are missing for this requirement, so
+ # shim it with a facade object that will provoke hash
+ # computation and then raise a HashMissing exception
+ # showing the user what the hash should be.
+ hashes = MissingHashes()
+
+ try:
+ download_dir = self.download_dir
+ # We always delete unpacked sdists after pip ran.
+ autodelete_unpacked = True
+ if req.link.is_wheel and self.wheel_download_dir:
+ # when doing 'pip wheel` we download wheels to a
+ # dedicated dir.
+ download_dir = self.wheel_download_dir
+ if req.link.is_wheel:
+ if download_dir:
+ # When downloading, we only unpack wheels to get
+ # metadata.
+ autodelete_unpacked = True
+ else:
+ # When installing a wheel, we use the unpacked
+ # wheel.
+ autodelete_unpacked = False
+ unpack_url(
+ req.link, req.source_dir,
+ download_dir, autodelete_unpacked,
+ session=session, hashes=hashes,
+ progress_bar=self.progress_bar
+ )
+ except requests.HTTPError as exc:
+ logger.critical(
+ 'Could not install requirement %s because of error %s',
+ req,
+ exc,
+ )
+ raise InstallationError(
+ 'Could not install requirement %s because of HTTP '
+ 'error %s for URL %s' %
+ (req, exc, req.link)
+ )
+ abstract_dist = make_distribution_for_install_requirement(req)
+ with self.req_tracker.track(req):
+ abstract_dist.prepare_distribution_metadata(
+ finder, self.build_isolation,
+ )
+ if self._download_should_save:
+ # Make a .zip of the source_dir we already created.
+ if not req.link.is_artifact:
+ req.archive(self.download_dir)
+ return abstract_dist
+
+ def prepare_editable_requirement(
+ self,
+ req, # type: InstallRequirement
+ require_hashes, # type: bool
+ use_user_site, # type: bool
+ finder # type: PackageFinder
+ ):
+ # type: (...) -> AbstractDistribution
+ """Prepare an editable requirement
+ """
+ assert req.editable, "cannot prepare a non-editable req as editable"
+
+ logger.info('Obtaining %s', req)
+
+ with indent_log():
+ if require_hashes:
+ raise InstallationError(
+ 'The editable requirement %s cannot be installed when '
+ 'requiring hashes, because there is no single file to '
+ 'hash.' % req
+ )
+ req.ensure_has_source_dir(self.src_dir)
+ req.update_editable(not self._download_should_save)
+
+ abstract_dist = make_distribution_for_install_requirement(req)
+ with self.req_tracker.track(req):
+ abstract_dist.prepare_distribution_metadata(
+ finder, self.build_isolation,
+ )
+
+ if self._download_should_save:
+ req.archive(self.download_dir)
+ req.check_if_exists(use_user_site)
+
+ return abstract_dist
+
+ def prepare_installed_requirement(
+ self,
+ req, # type: InstallRequirement
+ require_hashes, # type: bool
+ skip_reason # type: str
+ ):
+ # type: (...) -> AbstractDistribution
+ """Prepare an already-installed requirement
+ """
+ assert req.satisfied_by, "req should have been satisfied but isn't"
+ assert skip_reason is not None, (
+ "did not get skip reason skipped but req.satisfied_by "
+ "is set to %r" % (req.satisfied_by,)
+ )
+ logger.info(
+ 'Requirement %s: %s (%s)',
+ skip_reason, req, req.satisfied_by.version
+ )
+ with indent_log():
+ if require_hashes:
+ logger.debug(
+ 'Since it is already installed, we are trusting this '
+ 'package without checking its hash. To ensure a '
+ 'completely repeatable environment, install into an '
+ 'empty virtualenv.'
+ )
+ abstract_dist = InstalledDistribution(req)
+
+ return abstract_dist
diff --git a/venv/lib/python3.7/site-packages/pip/_internal/pep425tags.py b/venv/lib/python3.7/site-packages/pip/_internal/pep425tags.py
new file mode 100644
index 0000000..c6e58bf
--- /dev/null
+++ b/venv/lib/python3.7/site-packages/pip/_internal/pep425tags.py
@@ -0,0 +1,384 @@
+"""Generate and work with PEP 425 Compatibility Tags."""
+from __future__ import absolute_import
+
+import distutils.util
+import logging
+import platform
+import re
+import sys
+import sysconfig
+import warnings
+from collections import OrderedDict
+
+import pip._internal.utils.glibc
+from pip._internal.utils.compat import get_extension_suffixes
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+if MYPY_CHECK_RUNNING:
+ from typing import (
+ Tuple, Callable, List, Optional, Union, Dict
+ )
+
+ Pep425Tag = Tuple[str, str, str]
+
+logger = logging.getLogger(__name__)
+
+_osx_arch_pat = re.compile(r'(.+)_(\d+)_(\d+)_(.+)')
+
+
+def get_config_var(var):
+ # type: (str) -> Optional[str]
+ try:
+ return sysconfig.get_config_var(var)
+ except IOError as e: # Issue #1074
+ warnings.warn("{}".format(e), RuntimeWarning)
+ return None
+
+
+def get_abbr_impl():
+ # type: () -> str
+ """Return abbreviated implementation name."""
+ if hasattr(sys, 'pypy_version_info'):
+ pyimpl = 'pp'
+ elif sys.platform.startswith('java'):
+ pyimpl = 'jy'
+ elif sys.platform == 'cli':
+ pyimpl = 'ip'
+ else:
+ pyimpl = 'cp'
+ return pyimpl
+
+
+def version_info_to_nodot(version_info):
+ # type: (Tuple[int, ...]) -> str
+ # Only use up to the first two numbers.
+ return ''.join(map(str, version_info[:2]))
+
+
+def get_impl_ver():
+ # type: () -> str
+ """Return implementation version."""
+ impl_ver = get_config_var("py_version_nodot")
+ if not impl_ver or get_abbr_impl() == 'pp':
+ impl_ver = ''.join(map(str, get_impl_version_info()))
+ return impl_ver
+
+
+def get_impl_version_info():
+ # type: () -> Tuple[int, ...]
+ """Return sys.version_info-like tuple for use in decrementing the minor
+ version."""
+ if get_abbr_impl() == 'pp':
+ # as per https://github.com/pypa/pip/issues/2882
+ # attrs exist only on pypy
+ return (sys.version_info[0],
+ sys.pypy_version_info.major, # type: ignore
+ sys.pypy_version_info.minor) # type: ignore
+ else:
+ return sys.version_info[0], sys.version_info[1]
+
+
+def get_impl_tag():
+ # type: () -> str
+ """
+ Returns the Tag for this specific implementation.
+ """
+ return "{}{}".format(get_abbr_impl(), get_impl_ver())
+
+
+def get_flag(var, fallback, expected=True, warn=True):
+ # type: (str, Callable[..., bool], Union[bool, int], bool) -> bool
+ """Use a fallback method for determining SOABI flags if the needed config
+ var is unset or unavailable."""
+ val = get_config_var(var)
+ if val is None:
+ if warn:
+ logger.debug("Config variable '%s' is unset, Python ABI tag may "
+ "be incorrect", var)
+ return fallback()
+ return val == expected
+
+
+def get_abi_tag():
+ # type: () -> Optional[str]
+ """Return the ABI tag based on SOABI (if available) or emulate SOABI
+ (CPython 2, PyPy)."""
+ soabi = get_config_var('SOABI')
+ impl = get_abbr_impl()
+ if not soabi and impl in {'cp', 'pp'} and hasattr(sys, 'maxunicode'):
+ d = ''
+ m = ''
+ u = ''
+ is_cpython = (impl == 'cp')
+ if get_flag(
+ 'Py_DEBUG', lambda: hasattr(sys, 'gettotalrefcount'),
+ warn=is_cpython):
+ d = 'd'
+ if sys.version_info < (3, 8) and get_flag(
+ 'WITH_PYMALLOC', lambda: is_cpython, warn=is_cpython):
+ m = 'm'
+ if sys.version_info < (3, 3) and get_flag(
+ 'Py_UNICODE_SIZE', lambda: sys.maxunicode == 0x10ffff,
+ expected=4, warn=is_cpython):
+ u = 'u'
+ abi = '%s%s%s%s%s' % (impl, get_impl_ver(), d, m, u)
+ elif soabi and soabi.startswith('cpython-'):
+ abi = 'cp' + soabi.split('-')[1]
+ elif soabi:
+ abi = soabi.replace('.', '_').replace('-', '_')
+ else:
+ abi = None
+ return abi
+
+
+def _is_running_32bit():
+ # type: () -> bool
+ return sys.maxsize == 2147483647
+
+
+def get_platform():
+ # type: () -> str
+ """Return our platform name 'win32', 'linux_x86_64'"""
+ if sys.platform == 'darwin':
+ # distutils.util.get_platform() returns the release based on the value
+ # of MACOSX_DEPLOYMENT_TARGET on which Python was built, which may
+ # be significantly older than the user's current machine.
+ release, _, machine = platform.mac_ver()
+ split_ver = release.split('.')
+
+ if machine == "x86_64" and _is_running_32bit():
+ machine = "i386"
+ elif machine == "ppc64" and _is_running_32bit():
+ machine = "ppc"
+
+ return 'macosx_{}_{}_{}'.format(split_ver[0], split_ver[1], machine)
+
+ # XXX remove distutils dependency
+ result = distutils.util.get_platform().replace('.', '_').replace('-', '_')
+ if result == "linux_x86_64" and _is_running_32bit():
+ # 32 bit Python program (running on a 64 bit Linux): pip should only
+ # install and run 32 bit compiled extensions in that case.
+ result = "linux_i686"
+
+ return result
+
+
+def is_manylinux1_compatible():
+ # type: () -> bool
+ # Only Linux, and only x86-64 / i686
+
