GeezerVison is showing github.com — test_bdb is sensitive to sys.meta_path manipulation · Issue #93951 · python/cpython
test_bdb is sensitive to sys.meta_path manipulation #93951DescriptionHere's a repro not involving Setuptools showing how test_bdb is sensitive to sys.meta_path manipulation:
FROM jaraco/multipy-tox
RUN apt install -y libarchive-tools
RUN 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
RUN wget -O - https://github.com/python/cpython/archive/refs/heads/3.9.zip | bsdtar -xf -
WORKDIR cpython-3.9
RUN sh ./configure --prefix /opt/python
RUN make install
WORKDIR /
RUN /opt/python/bin/python3 -m pip install --upgrade pip
RUN /opt/python/bin/python3 -m pip uninstall -y setuptools
RUN echo "import sys; sys.meta_path.insert(0, type('NullFinder', (), dict(find_spec=lambda *args: None))())" > /opt/python/lib/python3.9/site-packages/null-finder.pth
CMD /opt/python/bin/python3 -m test_bdb
It fails with a similar error:
AssertionError: Wrong event type at expect_set item 2, got 'call'
Expected: ('line', 3, 'tfunc_import')
Got: ('call', 1, '<lambda>'), ('quit',),
Originally posted by @jaraco in #91169 (comment) Activityjaraco commented on Jun 17, 2022 I propose for consideration - perhaps this test should be configured to be skipped if sys.meta_path is not in an expected state. Or perhaps it should enforce it to be in an expected state. added 2 commits that reference this issue on Jun 17, 2022gh-93951: In test_bdb.StateTestCase.test_skip, avoid including auxili… gh-93951: In test_bdb.StateTestCase.test_skip, avoid including auxili… added a commit that references this issue on Jun 22, 2022gh-93951: In test_bdb.StateTestCase.test_skip, avoid including auxili… added 2 commits that reference this issue on Jun 22, 2022gh-93951: In test_bdb.StateTestCase.test_skip, avoid including auxili… gh-93951: In test_bdb.StateTestCase.test_skip, avoid including auxili…
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