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[Launchpad Bug Tracker <1500768@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: python3.4 (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1500768

Title:
  python3.4.3 SRU break requests

Status in python3.4 package in Ubuntu:
  Confirmed

Bug description:
  Sicne the upgade to python 3.4.3 on trusty, I'm getting this error when using a squid proxy:
  https://jenkins.qa.ubuntu.com/view/All/job/udtc-trusty-tests/1946/label=ps-trusty-desktop-amd64-1,type=large/testReport/tests.large.test_android/AndroidSDKTests/test_default_android_sdk_install/

  The code is using python-requests, with verify=True for ssl connection
  (default). Some tests are testing that invalid certificates are
  rejected:  https://github.com/ubuntu/ubuntu-
  make/blob/master/umake/network/download_center.py#L129

  Rerunning the same code with previous trusty package (3.4.0~trusty1)
  doesn't show up this issue. It seems that SNI is broken for the trusty
  version of python3-requests with 3.4.3. (See the FAQ http://www
  .python-requests.org/en/latest/community/faq/ with "What are “hostname
  doesn’t match” errors?" and the stackoverflow question.

  I did run a test, grabbing requests 2.7 and backporting it to trusty
  (I needed to as well to take python3-urllib3 willy version).

  So, 3.4.3 has an incompatible change for existing projects and people
  with proxys are starting to see some breakage like in
  https://bugs.launchpad.net/ubuntu/+source/ubuntu-make/+bug/1499890.

  Can we get it fix somehow, reverting the incompatible change breaking
  SNI (I wonder if this is "Changed in version 3.4.3: This class now
  performs all the necessary certificate and hostname checks by default.
  To revert to the previous, unverified, behavior
  ssl._create_unverified_context() can be passed to the context
  parameter." in https://docs.python.org/3/library/http.client.html or
  something else) so that existing code can either get a new compatible
  python-requests or avoid incompatible changes in python 3.4.3?

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