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Title: Backport performance improvements to runtime-checkable protocols by AlexWaygood · Pull Request #137 · python/typing_extensions · GitHub

Open Graph Title: Backport performance improvements to runtime-checkable protocols by AlexWaygood · Pull Request #137 · python/typing_extensions

X Title: Backport performance improvements to runtime-checkable protocols by AlexWaygood · Pull Request #137 · python/typing_extensions

Description: This PR backports the following CPython PRs (all by me), which, taken together, substantially improve the performance of isinstance() checks against runtime-checkable protocols on Python 3.12 compa...

Open Graph Description: This PR backports the following CPython PRs (all by me), which, taken together, substantially improve the performance of isinstance() checks against runtime-checkable protocols on Python 3.12 compa...

X Description: This PR backports the following CPython PRs (all by me), which, taken together, substantially improve the performance of isinstance() checks against runtime-checkable protocols on Python 3.12 compa...

Opengraph URL: https://github.com/python/typing_extensions/pull/137

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gh-74690: typing: Don't unnecessarily call _get_protocol_attrs twice in _ProtocolMeta.__instancecheck__ cpython#103141https://github.com/python/cpython/pull/103141
gh-74690: Micro-optimise typing._get_protocol_attrs cpython#103152https://github.com/python/cpython/pull/103152
gh-74690: typing: Simplify and optimise _ProtocolMeta.__instancecheck__ cpython#103159https://github.com/python/cpython/pull/103159
gh-74690: typing: Call _get_protocol_attrs and _callable_members_only at protocol class creation time, not during isinstance() checks cpython#103160https://github.com/python/cpython/pull/103160
gh-74690: Further optimise typing._ProtocolMeta.__instancecheck__ cpython#103280https://github.com/python/cpython/pull/103280
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Backport several performance improvements for runtime-checkable proto…https://github.com/python/typing_extensions/pull/137/commits/6221efda149d86328aa5066117f1d314196ca5a6
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Fix tests on Python 3.11https://github.com/python/typing_extensions/pull/137/commits/c6097b9c362e62d6f41665b5149cb6362e4ae359
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Apr 12, 2023 https://github.com/python/typing_extensions/pull/137#ref-pullrequest-1664438747
Remove flake8-noqa from test-requirements.txt #138 https://github.com/python/typing_extensions/pull/138
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