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Frozen NamespaceLoader is leaking into the source _bootstrap_external in the tests #92265

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FFY00 opened this issue May 3, 2022 · 2 comments
Open

Frozen NamespaceLoader is leaking into the source _bootstrap_external in the tests #92265

FFY00 opened this issue May 3, 2022 · 2 comments
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expert-importlib type-bug An unexpected behavior, bug, or error

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@FFY00
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FFY00 commented May 3, 2022

Bug report

While implementing #92205 I ran into the issue of the source version of test_importlib.test_api.ReloadTests holding on to the frozen version of _bootstrap_external.

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  • CPython versions tested on: main
  • Operating system and architecture:
@FFY00 FFY00 added the type-bug An unexpected behavior, bug, or error label May 3, 2022
@FFY00 FFY00 changed the title Frozen _bootstrap_external is leaking into the source _bootstrap in the tests Frozen NamespaceLoader is leaking into the source _bootstrap in the tests May 3, 2022
@FFY00 FFY00 changed the title Frozen NamespaceLoader is leaking into the source _bootstrap in the tests Frozen NamespaceLoader is leaking into the source _bootstrap_external in the tests May 3, 2022
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FFY00 commented May 3, 2022

The issue seems to be that the tests don't replace the path hooks, and because of that import_module gives us a NamespaceLoader from the frozen module.

FFY00 added a commit to FFY00/cpython that referenced this issue May 3, 2022
@FFY00
pythongh-92265: set meta_path and path_hooks correctly in test_reload…
ef57e04 
…_namespace_changed

Previously, we were blocking the frozen imports and forceing the source
version to be used, but we did not fix up sys.meta_path or
sys.path_hooks, causing the frozen importers to leak into the source
version of the test.
@FFY00 FFY00 mentioned this issue May 5, 2022
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miss-islington pushed a commit that referenced this issue May 16, 2022
@FFY00
gh-92265: set meta_path and path_hooks correctly in test_reload_names…
c7d6999 
…pace_changed (GH-92275)

Previously, we were blocking the frozen imports and forcing the source
version to be used, but we did not fix up sys.meta_path or
sys.path_hooks, causing the frozen importers to leak into the source
version of the test.
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