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gh-93963: Officially deprecate abcs and warn about their usage. by jaraco · Pull Request #93965 · python/cpython · GitHub

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gh-93963: Officially deprecate abcs and warn about their usage. #93965

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Merged
miss-islington merged 5 commits into from
Jul 3, 2022
Conversation 27 Commits 5 Checks 0 Files changed
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gh-93963: Officially deprecate abcs and warn about their usage. #93965

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5e7fb9c
gh-93963: Officially deprecate abcs and warn about their usage.
jaraco Jun 17, 2022
63c3c76
Adopt better wording
jaraco Jun 17, 2022
8525926
Use 'warnings._deprecated'. Fixes #93963 until Python π.
jaraco Jul 3, 2022
529e6ea
Remove generalization of a 'canonical' module and just repeat one's self
jaraco Jul 3, 2022
908c96a
Identify the attribute name, not just the module in which it appears 🤦
jaraco Jul 3, 2022
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19 changes: 14 additions & 5 deletions Lib/importlib/abc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,20 +15,29 @@
import abc
import warnings

# for compatibility with Python 3.10
from .resources.abc import ResourceReader, Traversable, TraversableResources
from .resources import abc as _resources_abc


__all__ = [
'Loader', 'Finder', 'MetaPathFinder', 'PathEntryFinder',
'ResourceLoader', 'InspectLoader', 'ExecutionLoader',
'FileLoader', 'SourceLoader',

# for compatibility with Python 3.10
'ResourceReader', 'Traversable', 'TraversableResources',
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]


def __getattr__(name):
"""
For backwards compatibility, continue to make names
from _resources_abc available through this module. #93963
"""
if name in _resources_abc.__all__:
obj = getattr(_resources_abc, name)
warnings._deprecated(f"{__name__}.{name}", remove=(3, 14))
globals()[name] = obj
return obj
raise AttributeError(f'module {__name__!r} has no attribute {name!r}')
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def _register(abstract_cls, *classes):
for cls in classes:
abstract_cls.register(cls)
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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Library/2022-06-17-16-00-55.gh-issue-93963.8YYZ-2.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
Officially deprecate from ``importlib.abc`` classes moved to
``importlib.resources.abc``.
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