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bpo-46556: emit DeprecationWarning from pathlib.Path.__enter__() #30971

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barneygale
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@barneygale barneygale commented Jan 27, 2022

In Python 3.9, Path.__exit__() was made a no-op.

https://bugs.python.org/issue46556

Automerge-Triggered-By: GH:brettcannon

In Python 3.9 / bpo-39682 we made `Path.__exit__()` a no-op, and added a
comment in the code mentioning that it should be deprecated in future. The
future is here, so let's deprecate it.
@brettcannon brettcannon self-requested a review January 28, 2022 18:26
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@tirkarthi tirkarthi left a comment

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There are deprecation warnings emitted by other tests too :

./python -Wall -m test test_pathlib         
0:00:00 load avg: 0.37 Run tests sequentially
0:00:00 load avg: 0.37 [1/1] test_pathlib
/home/karthikeyan/stuff/python/cpython/Lib/test/test_pathlib.py:1833: DeprecationWarning: pathlib.Path.__enter__() is deprecated and scheduled for removal in Python 3.13. Path objects should not be used as context managers.
  with p:
/home/karthikeyan/stuff/python/cpython/Lib/test/test_pathlib.py:1842: DeprecationWarning: pathlib.Path.__enter__() is deprecated and scheduled for removal in Python 3.13. Path objects should not be used as context managers.
  with p:
/home/karthikeyan/stuff/python/cpython/Lib/test/test_pathlib.py:1833: DeprecationWarning: pathlib.Path.__enter__() is deprecated and scheduled for removal in Python 3.13. Path objects should not be used as context managers.
  with p:
/home/karthikeyan/stuff/python/cpython/Lib/test/test_pathlib.py:1842: DeprecationWarning: pathlib.Path.__enter__() is deprecated and scheduled for removal in Python 3.13. Path objects should not be used as context managers.
  with p:

== Tests result: SUCCESS ==

1 test OK.

Total duration: 586 ms
Tests result: SUCCESS

@brettcannon
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I'm ready to merge this, but there was a CI hiccup; just trying to work passed that.

@miss-islington
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@barneygale: Status check is done, and it's a failure ❌ .

@brettcannon brettcannon closed this Feb 8, 2022
@brettcannon brettcannon reopened this Feb 8, 2022
@miss-islington
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@barneygale: Status check is done, and it's a failure ❌ .

@brettcannon brettcannon merged commit 06e1701 into python:main Feb 8, 2022
@brettcannon
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@barneygale thanks!

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7 participants