René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Regression: importlib.metadata.PathDistribution.requires raises AttributeError, name/version raises TypeError","articleBody":"# Bug report\n\n### Bug description:\n\n## Python 3.14.2\n\n```pycon\n\u003e\u003e\u003e from importlib import metadata\n\u003e\u003e\u003e d = metadata.PathDistribution.at('/tmp')\n\u003e\u003e\u003e d.requires\n\u003e\u003e\u003e d.requires is None\nTrue\n```\n\n## Python 3.15.0a3\n\n```pycon\n\u003e\u003e\u003e from importlib import metadata\n\u003e\u003e\u003e d = metadata.PathDistribution.at('/tmp')\n\u003e\u003e\u003e d.requires\nTraceback (most recent call last):\n  File \"\u003cpython-input-2\u003e\", line 1, in \u003cmodule\u003e\n    d.requires\n  File \"/usr/lib64/python3.15/importlib/metadata/__init__.py\", line 660, in requires\n    reqs = self._read_dist_info_reqs() or self._read_egg_info_reqs()\n           ~~~~~~~~~~~~~~~~~~~~~~~~~^^\n  File \"/usr/lib64/python3.15/importlib/metadata/__init__.py\", line 664, in _read_dist_info_reqs\n    return self.metadata.get_all('Requires-Dist')\n           ^^^^^^^^^^^^^^^^^^^^^\nAttributeError: 'NoneType' object has no attribute 'get_all'\n```\n\nI believe this is a regression from 9b38c6698a3d6e7b37279dd9ae0d4d6430f9c612 where the `metadata` property changed the type from `_meta.PackageMetadata` to `_meta.PackageMetadata | None`  but other properties (here the `requires` property) do not account for it being `None`.\n\nThis was discovered as a failure of tests of rpmlint in Fedora's continuous testing of Python pre-releases: https://bugzilla.redhat.com/show_bug.cgi?id=2424585\n\n### CPython versions tested on:\n\n3.15\n\n### Operating systems tested on:\n\nLinux\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-146234\n* gh-150095\n* gh-150106\n* gh-150169\n* gh-150171\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/hroncok","@type":"Person","name":"hroncok"},"datePublished":"2026-01-03T11:13:05.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":36},"url":"https://github.com/143387/cpython/issues/143387"}