[PR #13053/28e1e25a backport][8.3.x] fix: Resolved an ImportError crash when using --import-mode=importlib
#13054
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Regression in #12716 In short: `PathFinder.find_spec` received the argument `/cow/moo` but loaded `/cow/moo/moo.py` instead. **Trigger conditions:** 1. `/cow/moo/moo.py` exists (a file and directory with the same name). 2. `/cow/moo/test_moo.py` exists (test case resides in the directory). When pytest loads test files in `importlib` mode, it continues recursive loading upward: - When loading `cow.moo`, it should return a namespace but unexpectedly returns a module. - When loading `cow.moo.moo`, it should return a module but unexpectedly returns a namespace. **Complete example:** [[GitHub repository](https://github.com/dongfangtianyu/pytest_importlib_issue)](https://github.com/dongfangtianyu/pytest_importlib_issue) - `main.py`: Reproduces the error. - `debug.py`: Demonstrates the behavior of `PathFinder.find_spec`. **Context:** #12592 (comment) #12592 (comment) --------- Co-authored-by: Bruno Oliveira <bruno@soliv.dev> (cherry picked from commit 28e1e25)
nicoddemus
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Dec 12, 2024
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nicoddemus
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This is a backport of PR #13053 as merged into main (28e1e25).
Regression in #12716
In short:
PathFinder.find_specreceived the argument/cow/moobut loaded/cow/moo/moo.pyinstead.Trigger conditions:
/cow/moo/moo.pyexists (a file and directory with the same name)./cow/moo/test_moo.pyexists (test case resides in the directory).When pytest loads test files in
importlibmode, it continues recursive loading upward:cow.moo, it should return a namespace but unexpectedly returns a module.cow.moo.moo, it should return a module but unexpectedly returns a namespace.Complete example: [GitHub repository](https://github.com/dongfangtianyu/pytest_importlib_issue)
main.py: Reproduces the error.debug.py: Demonstrates the behavior ofPathFinder.find_spec.Context:
#12592 (comment)
#12592 (comment)