René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"test_venv failure output is inscrutable","articleBody":"With this Dockerfile, I can confirm the proposed fix in Setuptools has the desired effect:\r\n\r\n```Dockerfile\r\nFROM jaraco/multipy-tox\r\n\r\nRUN apt install -y libarchive-tools\r\nRUN apt install -y build-essential gdb lcov pkg-config libbz2-dev libffi-dev libgdbm-dev libgdbm-compat-dev liblzma-dev libncurses5-dev libreadline6-dev libsqlite3-dev libssl-dev lzma lzma-dev tk-dev uuid-dev zlib1g-dev\r\nRUN wget -O - https://github.com/python/cpython/archive/refs/heads/3.9.zip | bsdtar -xf -\r\nWORKDIR cpython-3.9\r\nRUN sh ./configure --prefix /opt/python\r\nRUN make install\r\nRUN chmod u+x /opt/python/lib/python3.9/test/ziptestdata/exe_with_*\r\nWORKDIR /\r\nRUN /opt/python/bin/python3 -m pip install --upgrade pip\r\nRUN /opt/python/bin/python3 -m pip install git+https://github.com/pypa/setuptools@bugfix/3383-cpython-sensitive-tests\r\nCMD /opt/python/bin/python3 -m test\r\n```\r\n\r\n...\r\n\r\nUnfortunately, it also creates its own regression in `test_venv`:\r\n\r\n```\r\n$ docker run -it -v /Users/jaraco/p/pypa/setuptools:/src @$(docker build -q .) /opt/python/bin/py\r\nthon3 -m test test_venv\r\n0:00:00 load avg: 0.04 Run tests sequentially\r\n0:00:00 load avg: 0.04 [1/1] test_venv\r\ntest test_venv failed -- Traceback (most recent call last):\r\n  File \"/opt/python/lib/python3.9/test/test_venv.py\", line 544, in test_with_pip\r\n    self.do_test_with_pip(True)\r\n  File \"/opt/python/lib/python3.9/test/test_venv.py\", line 511, in do_test_with_pip\r\n    out, err = check_output([envpy,\r\n  File \"/opt/python/lib/python3.9/test/test_venv.py\", line 44, in check_output\r\n    raise subprocess.CalledProcessError(\r\nsubprocess.CalledProcessError: Command '['/tmp/tmpqts0cln1/bin/python3', '-W', 'ignore::DeprecationWarning', '-I', '-m', 'ensurepip._uninstall']' returned non-zero exit status 1.\r\n\r\ntest_venv failed (1 error)\r\n\r\n== Tests result: FAILURE ==\r\n\r\n1 test failed:\r\n    test_venv\r\n\r\nTotal duration: 5.7 sec\r\nTests result: FAILURE\r\n```\r\n\r\nAnd annoyingly, that error message is all but worthless for diagnosis.\r\n\r\n_Originally posted by @jaraco in https://github.com/python/cpython/issues/91169#issuecomment-1159041302_","author":{"url":"https://github.com/jaraco","@type":"Person","name":"jaraco"},"datePublished":"2022-06-17T16:44:10.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/93957/cpython/issues/93957"}