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Title: PEP 709: Comprehension iteration variable leaks into outer locals() · Issue #104619 · python/cpython · GitHub

Open Graph Title: PEP 709: Comprehension iteration variable leaks into outer locals() · Issue #104619 · python/cpython

X Title: PEP 709: Comprehension iteration variable leaks into outer locals() · Issue #104619 · python/cpython

Description: Code: def __b(): [__a for __b in [__b] for _ in []] return locals() On #104603, calling this gives: >>> __b() {'__b': } But on 3.11: >>> __b() {} So the locals() in the outer function can now include comprehe...

Open Graph Description: Code: def __b(): [__a for __b in [__b] for _ in []] return locals() On #104603, calling this gives: >>> __b() {'__b': } But on 3.11: >>> __b() {} So the locals() in the...

X Description: Code: def __b(): [__a for __b in [__b] for _ in []] return locals() On #104603, calling this gives: >>> __b() {'__b': <function __b at 0x100e3e390>} But on 3.11: >>>...

Opengraph URL: https://github.com/python/cpython/issues/104619

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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"PEP 709: Comprehension iteration variable leaks into outer locals()","articleBody":"Code:\r\n\r\n```python\r\ndef __b():\r\n    [__a for __b in [__b] for _ in []]\r\n    return locals()\r\n```\r\n\r\nOn #104603, calling this gives:\r\n```\r\n\u003e\u003e\u003e __b()\r\n{'__b': \u003cfunction __b at 0x100e3e390\u003e}\r\n```\r\n\r\nBut on 3.11:\r\n\r\n```\r\n\u003e\u003e\u003e __b()\r\n{}\r\n```\r\n\r\nSo the locals() in the outer function can now include comprehension variables from the inner comprehension. cc @carljm \n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-104637\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/JelleZijlstra","@type":"Person","name":"JelleZijlstra"},"datePublished":"2023-05-18T17:20:28.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/104619/cpython/issues/104619"}

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