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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Add `PyType_GetBaseByToken` function with `Py_tp_token` slot","articleBody":"This issue implements a proposal related to PEP-489 and PEP-630.\r\n\r\n**Decision:**\r\n\r\n* https://github.com/capi-workgroup/decisions/issues/34\r\n\r\n**TODO:**\r\n\r\n- [x] Implement the feature\r\n- [x] Use it in `_PyStgInfo_FromType_NoState()` in `_ctypes.c`\r\n- [x] Ensure no performance regression in `PyType_GetModuleByDef()` and other functions affected by this feature on Windows PGO builds\r\n\r\n\r\n**TODO (optional):**\r\n\r\n- [x] Replace `PyType_GetModuleByDef()` in `defdict_or()` (`_collectionsmodule.c`)\r\n- [x] Replace `_PyType_GetModuleByDef2()` in `_decimal.c`\r\n- [x] Remove `_PyType_GetModuleByDef2()`\r\n\r\n\r\n### Has this already been discussed elsewhere?\r\n\r\nI have already discussed this feature proposal on Discourse\r\n\r\n### Links to previous discussion of this feature:\r\n\r\n* https://github.com/encukou/abi3/issues/19\r\n* https://discuss.python.org/t/55598\r\n\r\n\u003c!-- gh-linked-prs --\u003e\r\n### Linked PRs\r\n* gh-121079\r\n* gh-124163\r\n* gh-124261\r\n* gh-124323\r\n* gh-124488\r\n* gh-141644\n\u003c!-- /gh-linked-prs --\u003e\r\n","author":{"url":"https://github.com/neonene","@type":"Person","name":"neonene"},"datePublished":"2024-09-17T03:18:57.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/124153/cpython/issues/124153"}