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gh-86298: Ensure that __loader__ and __spec__.loader agree in warnings.warn_explicit() #97803

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Merged
miss-islington merged 17 commits into from
Oct 7, 2022
Merged

gh-86298: Ensure that __loader__ and __spec__.loader agree in warnings.warn_explicit() #97803

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37b581a
PoC for checking both __loader__ and __spec__.loader
warsaw Oct 3, 2022
049910b
Merge branch 'main' into issue-86298
warsaw Oct 3, 2022
317e253
Add a test for the __loader__ == __spec__.loader cases
warsaw Oct 4, 2022
428d863
Add news
warsaw Oct 4, 2022
06d686d
Merge branch 'main' into issue-86298
warsaw Oct 4, 2022
fc50fe1
Update some documentation
warsaw Oct 4, 2022
1066b9f
Use a helper function
warsaw Oct 6, 2022
4602366
Merge branch 'main' into issue-86298
warsaw Oct 6, 2022
831f832
Pass warnings tests
warsaw Oct 6, 2022
37254cf
Merge branch 'main' into issue-86298
warsaw Oct 6, 2022
fe9d62e
Move warnings tests to helper tests
warsaw Oct 6, 2022
3bcdba9
Clean up a few last minute things
warsaw Oct 6, 2022
f5cef9c
Merge branch 'main' into issue-86298
warsaw Oct 7, 2022
5600c9c
Update Lib/importlib/_bootstrap_external.py
warsaw Oct 7, 2022
8631e53
Update Lib/test/test_importlib/import_/test_helpers.py
warsaw Oct 7, 2022
b1b0d86
Update Lib/test/test_importlib/import_/test_helpers.py
warsaw Oct 7, 2022
823400c
Merge branch 'main' into issue-86298
warsaw Oct 7, 2022
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Update some documentation
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@warsaw
warsaw committed Oct 4, 2022
commit fc50fe143ac56f2658187a8e765cd0584aaeaa42
8 changes: 6 additions & 2 deletions Doc/reference/import.rst
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Expand Up @@ -552,6 +552,11 @@ the module.
for introspection, but can be used for additional loader-specific
functionality, for example getting data associated with a loader.

.. versionchanged:: 3.12
The value of ``__loader__`` is expected to be the same as
``__spec__.loader``. If they are not, an :exc:`ImportWarning` will be
raised.

.. attribute:: __package__

The module's ``__package__`` attribute must be set. Its value must
Expand All @@ -563,8 +568,7 @@ the module.
details.

This attribute is used instead of ``__name__`` to calculate explicit
relative imports for main modules, as defined in :pep:`366`. It is
expected to have the same value as ``__spec__.parent``.
relative imports for main modules, as defined in :pep:`366`.

.. versionchanged:: 3.6
The value of ``__package__`` is expected to be the same as
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