[Bug 1607095] Re: ubuntu cloud archive repo includes python-setuptools package that breaks with trusty version of python-pip

[Corey Bryant]

Hi Iggy,

Thanks for the report.

I'm not sure why you'd need the cloud archive enabled if you're using
pip.  The cloud archive is meant to be used with Debian-based package
installs, rather than pip-installed packages, and mixing the two types
of packages can results in a mixed-bag of an environment that would not
be stable or supported.

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https://bugs.launchpad.net/bugs/1607095

Title:
  ubuntu cloud archive repo includes python-setuptools package that
  breaks with trusty version of python-pip

Status in Ubuntu Cloud Archive:
  New

Bug description:
  When we install python-setuptools from the cloud repo, it is too new
  to work with the version of python-pip that is included with trusty
  (as can be seen with `pip freeze`). If we then manually install a
  newer version of pip with easy_install it works fine.

  ```
  # dpkg -l | egrep 'python-(pip|setuptools)'
  ii  python-pip                          1.5.4-1ubuntu3                   all          alternative Python package installer
  ii  python-pip-whl                      1.5.4-1ubuntu3                   all          alternative Python package installer
  ii  python-setuptools                   18.4-1~cloud0                    all          Python Distutils Enhancements
  ii  python-setuptools-whl               18.4-1~cloud0                    all          Python Distutils Enhancements (wheel package)
  ```

  ```
  # pip freeze
  Exception:
  Traceback (most recent call last):
    File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 122, in main
      status = self.run(options, args)
    File "/usr/lib/python2.7/dist-packages/pip/commands/freeze.py", line 74, in run
      req = pip.FrozenRequirement.from_dist(dist, dependency_links, find_tags=find_tags)
    File "/usr/lib/python2.7/dist-packages/pip/__init__.py", line 286, in from_dist
      assert len(specs) == 1 and specs[0][0] == '=='
  AssertionError

  Storing debug log for failure in /root/.pip/pip.log
  ```

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: python-openstackclient 1.7.0-1~cloud0 [origin: Canonical]
  ProcVersionSignature: Ubuntu 3.13.0-91.138-generic 3.13.11-ckt39
  Uname: Linux 3.13.0-91-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
  CrashDB:
   {
                  "impl": "launchpad",
                  "project": "cloud-archive",
                  "bug_pattern_url": "http://people.canonical.com/~ubuntu-archive/bugpatterns/bugpatterns.xml",
               }
  Date: Wed Jul 27 21:47:03 2016
  PackageArchitecture: all
  ProcEnviron:
   TERM=screen
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: python-openstackclient
  UpgradeStatus: No upgrade log present (probably fresh install)

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