[New-bugs-announce] [issue26610] test_venv.test_with_pip() fails when ctypes is missing

[STINNER Victor]

New submission from STINNER Victor:

pip/pep425tags.py requires ctypes, but it's not available on the OpenIndiana buildbot. I suggest to skip the test if ctypes is missing.

I don't know if it's possible to modify pip to make ctypes optional again.

http://buildbot.python.org/all/builders/AMD64%20OpenIndiana%203.x/builds/10407/steps/test/logs/stdio

======================================================================
FAIL: test_with_pip (test.test_venv.EnsurePipTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/export/home/buildbot/64bits/3.x.cea-indiana-amd64/build/Lib/test/test_venv.py", line 364, in test_with_pip
    with_pip=True)
subprocess.CalledProcessError: Command '['/tmp/tmpl3s6nv31/bin/python', '-Im', 'ensurepip', '--upgrade', '--default-pip']' returned non-zero exit status 1

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/export/home/buildbot/64bits/3.x.cea-indiana-amd64/build/Lib/test/test_venv.py", line 370, in test_with_pip
    self.fail(msg.format(exc, details))
AssertionError: Command '['/tmp/tmpl3s6nv31/bin/python', '-Im', 'ensurepip', '--upgrade', '--default-pip']' returned non-zero exit status 1

**Subprocess Output**
Traceback (most recent call last):
  File "/export/home/buildbot/64bits/3.x.cea-indiana-amd64/build/Lib/runpy.py", line 184, in _run_module_as_main
    "__main__", mod_spec)
  File "/export/home/buildbot/64bits/3.x.cea-indiana-amd64/build/Lib/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/export/home/buildbot/64bits/3.x.cea-indiana-amd64/build/Lib/ensurepip/__main__.py", line 4, in <module>
    ensurepip._main()
  File "/export/home/buildbot/64bits/3.x.cea-indiana-amd64/build/Lib/ensurepip/__init__.py", line 209, in _main
    default_pip=args.default_pip,
  File "/export/home/buildbot/64bits/3.x.cea-indiana-amd64/build/Lib/ensurepip/__init__.py", line 116, in bootstrap
    _run_pip(args + [p[0] for p in _PROJECTS], additional_paths)
  File "/export/home/buildbot/64bits/3.x.cea-indiana-amd64/build/Lib/ensurepip/__init__.py", line 40, in _run_pip
    import pip
  File "/tmp/tmpbfnwxnn2/pip-8.1.1-py2.py3-none-any.whl/pip/__init__.py", line 16, in <module>
  File "/tmp/tmpbfnwxnn2/pip-8.1.1-py2.py3-none-any.whl/pip/vcs/subversion.py", line 9, in <module>
  File "/tmp/tmpbfnwxnn2/pip-8.1.1-py2.py3-none-any.whl/pip/index.py", line 30, in <module>
  File "/tmp/tmpbfnwxnn2/pip-8.1.1-py2.py3-none-any.whl/pip/wheel.py", line 32, in <module>
  File "/tmp/tmpbfnwxnn2/pip-8.1.1-py2.py3-none-any.whl/pip/pep425tags.py", line 9, in <module>
  File "/export/home/buildbot/64bits/3.x.cea-indiana-amd64/build/Lib/ctypes/__init__.py", line 7, in <module>
    from _ctypes import Union, Structure, Array
ImportError: No module named '_ctypes'

----------
messages: 262173
nosy: dstufft, haypo
priority: normal
severity: normal
status: open
title: test_venv.test_with_pip() fails when ctypes is missing
versions: Python 3.6

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26610>
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