René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Add typing.get_orig_bases and typing.get_orig_class","articleBody":"# Feature or enhancement\r\n\r\ntyping has had `type.__orig_bases__` and `type.__orig_class__` for quite some time now, there is no stable API to access these attributes.\r\n\r\n# Pitch\r\n\r\nI would like to propose adding `typing.get_orig_bases` as something like\r\n```py\r\n@overload\r\ndef get_orig_bases(cls: type[object]) -\u003e tuple[type[Any], ...] | None: ...\r\n@overload\r\ndef get_orig_bases(cls: Any) -\u003e None: ...\r\ndef get_orig_bases(cls: Any) -\u003e tuple[type[Any], ...] | None:\r\n\treturn getattr(cls, \"__orig_bases__\", None)\r\n```\r\nand `typing.get_orig_class`\r\n```py\r\n@overload\r\ndef get_orig_class(cls: type[object]) -\u003e GenericAlias | None: ...\r\n@overload\r\ndef get_orig_class(cls: Any) -\u003e None: ...\r\ndef get_orig_class(cls: Any) -\u003e GenericAlias | None:\r\n\treturn getattr(cls, \"__orig_class__\", None)\r\n```\r\n(side note, it might be possible to fully type `get_orig_class` it `types.GenericAlias` was generic over the `__origin__` and `__args__` i.e. `Foo[int] == GenericAlias[Foo, int]`)\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-101827\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/Gobot1234","@type":"Person","name":"Gobot1234"},"datePublished":"2023-02-08T10:59:37.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":8},"url":"https://github.com/101688/cpython/issues/101688"}