[issue31999] test_venv failed when the zlib module is not available

[Serhiy Storchaka]

New submission from Serhiy Storchaka <storchaka+cpython at gmail.com>:

http://buildbot.python.org/all/#/builders/14/builds/160/steps/4/logs/stdio
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FAIL: test_with_pip (test.test_venv.EnsurePipTest)
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Traceback (most recent call last):
  File "/Users/buildbot/buildarea/3.x.billenstein-sierra/build/Lib/test/test_venv.py", line 363, in do_test_with_pip
    with_pip=True)
  File "/Users/buildbot/buildarea/3.x.billenstein-sierra/build/Lib/test/test_venv.py", line 56, in run_with_capture
    func(*args, **kwargs)
subprocess.CalledProcessError: Command '['/private/var/folders/sy/9hwmqyx14s11577cvgzwf2v40000gt/T/tmpljv28gk_/bin/python.exe', '-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 "/Users/buildbot/buildarea/3.x.billenstein-sierra/build/Lib/test/test_venv.py", line 421, in test_with_pip
    self.do_test_with_pip(False)
  File "/Users/buildbot/buildarea/3.x.billenstein-sierra/build/Lib/test/test_venv.py", line 369, in do_test_with_pip
    self.fail(msg.format(exc, details))
AssertionError: Command '['/private/var/folders/sy/9hwmqyx14s11577cvgzwf2v40000gt/T/tmpljv28gk_/bin/python.exe', '-Im', 'ensurepip', '--upgrade', '--default-pip']' returned non-zero exit status 1.
**Subprocess Output**
Traceback (most recent call last):
  File "/Users/buildbot/buildarea/3.x.billenstein-sierra/build/Lib/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/Users/buildbot/buildarea/3.x.billenstein-sierra/build/Lib/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/Users/buildbot/buildarea/3.x.billenstein-sierra/build/Lib/ensurepip/__main__.py", line 5, in <module>
    sys.exit(ensurepip._main())
  File "/Users/buildbot/buildarea/3.x.billenstein-sierra/build/Lib/ensurepip/__init__.py", line 204, in _main
    default_pip=args.default_pip,
  File "/Users/buildbot/buildarea/3.x.billenstein-sierra/build/Lib/ensurepip/__init__.py", line 117, in _bootstrap
    return _run_pip(args + [p[0] for p in _PROJECTS], additional_paths)
  File "/Users/buildbot/buildarea/3.x.billenstein-sierra/build/Lib/ensurepip/__init__.py", line 27, in _run_pip
    import pip
zipimport.ZipImportError: can't decompress data; zlib not available
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----------
assignee: serhiy.storchaka
components: Tests
messages: 306010
nosy: serhiy.storchaka, vinay.sajip
priority: normal
severity: normal
stage: needs patch
status: open
title: test_venv failed when the zlib module is not available
type: behavior
versions: Python 3.6, Python 3.7

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue31999>
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