https://github.com/python/cpython/commit/5dc36dc5658f6ba9cfd9d7a2771baaf17d2ee23a commit: 5dc36dc5658f6ba9cfd9d7a2771baaf17d2ee23a branch: main author: Stephen Morton <[email protected]> committer: sobolevn <[email protected]> date: 2024-11-07T01:12:45+03:00 summary:
gh-126451: Register contextvars.Context to collections.abc.Mapping (#126452) Co-authored-by: sobolevn <[email protected]> Co-authored-by: Alex Waygood <[email protected]> Co-authored-by: Peter Bierma <[email protected]> files: A Misc/NEWS.d/next/Library/2024-11-05-11-28-45.gh-issue-126451.XJMtqz.rst M Lib/contextvars.py M Lib/test/test_context.py diff --git a/Lib/contextvars.py b/Lib/contextvars.py index d78c80dfe6f99c..14514f185e069d 100644 --- a/Lib/contextvars.py +++ b/Lib/contextvars.py @@ -1,4 +1,8 @@ +import _collections_abc from _contextvars import Context, ContextVar, Token, copy_context __all__ = ('Context', 'ContextVar', 'Token', 'copy_context') + + +_collections_abc.Mapping.register(Context) diff --git a/Lib/test/test_context.py b/Lib/test/test_context.py index b06b9df9f5b0b8..82d1797ab3b79e 100644 --- a/Lib/test/test_context.py +++ b/Lib/test/test_context.py @@ -1,3 +1,4 @@ +import collections.abc import concurrent.futures import contextvars import functools @@ -350,6 +351,19 @@ def ctx2_fun(): ctx1.run(ctx1_fun) + def test_context_isinstance(self): + ctx = contextvars.Context() + self.assertIsInstance(ctx, collections.abc.Mapping) + self.assertTrue(issubclass(contextvars.Context, collections.abc.Mapping)) + + mapping_methods = ( + '__contains__', '__eq__', '__getitem__', '__iter__', '__len__', + '__ne__', 'get', 'items', 'keys', 'values', + ) + for name in mapping_methods: + with self.subTest(name=name): + self.assertTrue(callable(getattr(ctx, name))) + @isolated_context @threading_helper.requires_working_threading() def test_context_threads_1(self): diff --git a/Misc/NEWS.d/next/Library/2024-11-05-11-28-45.gh-issue-126451.XJMtqz.rst b/Misc/NEWS.d/next/Library/2024-11-05-11-28-45.gh-issue-126451.XJMtqz.rst new file mode 100644 index 00000000000000..563cb2515eca60 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2024-11-05-11-28-45.gh-issue-126451.XJMtqz.rst @@ -0,0 +1,2 @@ +Register the :class:`contextvars.Context` type to +:class:`collections.abc.Mapping`. _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3/lists/python-checkins.python.org/ Member address: [email protected]
