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[Bug 1297050] [NEW] failed to access horizon web site if no install mox module

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: huangyaowen <huangyaowen_1982@xxxxxxxxxxx>
Date: Tue, 25 Mar 2014 01:40:59 -0000
Reply-to: Bug 1297050 <1297050@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

After installing the latest horizon codes and start the httpd,  the
horizon web site can't be accessed due to the following exception about
"ImportError: No module named mox".

I did the initial investigation and found it's caused by the
change(https://review.openstack.org/#/c/59580/) committed by Maxime
Vidori on file horizon/site_urls.py. In this change, he add one new
import line"from horizon.test.jasmine import jasmine", then it track
back to file horizon/test/helpers.py and try to import mox module.

After install the mox module and restart httpd, then I can access to the
horizon site.

However, from my view,  it does NOT make sense: when I install openstack horizon on practical product env,  I should not need to install the mox module(which is one python UT framework). it's better to change the file horizon/site_urls.py to dynamically import jasmine within the section when setting.DEBUG is true using import_module() method possibly like that:
if settings.DEBUG:
    try:
        mod = import_module('jasmine', 'horizon.test.jasmine')
        urlpatterns += patterns('',
        url(r'^qunit/$',
            TemplateView.as_view(template_name="horizon/qunit.html"),
            name='qunit_tests'),
        url(r'^jasmine/(.*?)$', mod.dispatcher))
    except ImportError:
        urlpatterns += patterns('',
        url(r'^qunit/$',
            TemplateView.as_view(template_name="horizon/qunit.html"),
            name='qunit_tests'))

Detail exception can be seen below:
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234] mod_wsgi (pid=23842): Exception occurred processing WSGI script '/usr/share/openstack-dashboard/opensta
ck_dashboard/wsgi/django.wsgi'.
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234] Traceback (most recent call last):
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/core/handlers/wsgi.py", line 241, in __call__
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     response = self.get_response(request)
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/core/handlers/base.py", line 179, in get_response
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     response = self.handle_uncaught_exception(request, resolver, sys.exc_info())
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/core/handlers/base.py", line 224, in handle_uncaught_ex
ception
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     if resolver.urlconf_module is None:
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/core/urlresolvers.py", line 323, in urlconf_module
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     self._urlconf_module = import_module(self.urlconf_name)
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/utils/importlib.py", line 35, in import_module
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     __import__(name)
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../openstack_dashboard/urls.py", lin
e 38, in <module>
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     url(r'', include(horizon.urls))
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/conf/urls/__init__.py", line 25, in include
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     patterns = getattr(urlconf_module, 'urlpatterns', urlconf_module)
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/utils/functional.py", line 184, in inner
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     self._setup()
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/utils/functional.py", line 248, in _setup
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     self._wrapped = self._setupfunc()
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/horizon/base.py", line 733, in url_patterns
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     return self._urls()[0]
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/horizon/base.py", line 739, in _urls
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     urlpatterns = self._get_default_urlpatterns()
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/horizon/base.py", line 82, in _get_default_urlpatterns
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     mod = import_module(self.urls)
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/utils/importlib.py", line 35, in import_module
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     __import__(name)
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/horizon/site_urls.py", line 26, in <module>
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     from horizon.test.jasmine import jasmine
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/horizon/test/jasmine/jasmine.py", line 17, in <module>
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     from horizon.test import helpers as test
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/horizon/test/helpers.py", line 50, in <module>
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     import mox
[Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234] ImportError: No module named mox

** Affects: horizon
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1297050

Title:
  failed to access horizon web site if no install mox module

Status in OpenStack Dashboard (Horizon):
  New

Bug description:
  After installing the latest horizon codes and start the httpd,  the
  horizon web site can't be accessed due to the following exception
  about "ImportError: No module named mox".

  I did the initial investigation and found it's caused by the
  change(https://review.openstack.org/#/c/59580/) committed by Maxime
  Vidori on file horizon/site_urls.py. In this change, he add one new
  import line"from horizon.test.jasmine import jasmine", then it track
  back to file horizon/test/helpers.py and try to import mox module.

  After install the mox module and restart httpd, then I can access to
  the horizon site.

  However, from my view,  it does NOT make sense: when I install openstack horizon on practical product env,  I should not need to install the mox module(which is one python UT framework). it's better to change the file horizon/site_urls.py to dynamically import jasmine within the section when setting.DEBUG is true using import_module() method possibly like that:
  if settings.DEBUG:
      try:
          mod = import_module('jasmine', 'horizon.test.jasmine')
          urlpatterns += patterns('',
          url(r'^qunit/$',
              TemplateView.as_view(template_name="horizon/qunit.html"),
              name='qunit_tests'),
          url(r'^jasmine/(.*?)$', mod.dispatcher))
      except ImportError:
          urlpatterns += patterns('',
          url(r'^qunit/$',
              TemplateView.as_view(template_name="horizon/qunit.html"),
              name='qunit_tests'))

  Detail exception can be seen below:
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234] mod_wsgi (pid=23842): Exception occurred processing WSGI script '/usr/share/openstack-dashboard/opensta
  ck_dashboard/wsgi/django.wsgi'.
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234] Traceback (most recent call last):
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/core/handlers/wsgi.py", line 241, in __call__
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     response = self.get_response(request)
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/core/handlers/base.py", line 179, in get_response
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     response = self.handle_uncaught_exception(request, resolver, sys.exc_info())
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/core/handlers/base.py", line 224, in handle_uncaught_ex
  ception
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     if resolver.urlconf_module is None:
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/core/urlresolvers.py", line 323, in urlconf_module
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     self._urlconf_module = import_module(self.urlconf_name)
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/utils/importlib.py", line 35, in import_module
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     __import__(name)
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../openstack_dashboard/urls.py", lin
  e 38, in <module>
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     url(r'', include(horizon.urls))
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/conf/urls/__init__.py", line 25, in include
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     patterns = getattr(urlconf_module, 'urlpatterns', urlconf_module)
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/utils/functional.py", line 184, in inner
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     self._setup()
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/utils/functional.py", line 248, in _setup
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     self._wrapped = self._setupfunc()
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/horizon/base.py", line 733, in url_patterns
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     return self._urls()[0]
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/horizon/base.py", line 739, in _urls
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     urlpatterns = self._get_default_urlpatterns()
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/horizon/base.py", line 82, in _get_default_urlpatterns
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     mod = import_module(self.urls)
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/django/utils/importlib.py", line 35, in import_module
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     __import__(name)
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/horizon/site_urls.py", line 26, in <module>
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     from horizon.test.jasmine import jasmine
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/horizon/test/jasmine/jasmine.py", line 17, in <module>
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     from horizon.test import helpers as test
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]   File "/usr/lib/python2.6/site-packages/horizon/test/helpers.py", line 50, in <module>
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234]     import mox
  [Mon Mar 24 08:09:17 2014] [error] [client 9.111.44.234] ImportError: No module named mox

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Follow ups

[Bug 1297050] [NEW] failed to access horizon web site if no install mox module
From: huangyaowen, 2014-03-25
References

[Bug 1297050] [NEW] failed to access horizon web site if no install mox module
From: huangyaowen, 2014-03-25