René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"using inspect.unwrap on `maurix.types.Obj` places the object into a state where serializing raises a RecursionError","articleBody":"```python\n\u003e\u003e\u003e import mautrix.types\n\u003e\u003e\u003e import inspect\n\u003e\u003e\u003e inspect.unwrap(mautrix.types.Obj())\nTraceback (most recent call last):\n  File \"\u003cpython-input-2\u003e\", line 1, in \u003cmodule\u003e\n    inspect.unwrap(mautrix.types.Obj())\n    ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^\n  File \"/home/lily/.pyenv/versions/3.13.2/lib/python3.13/inspect.py\", line 791, in unwrap\n    raise ValueError('wrapper loop when unwrapping {!r}'.format(f))\n                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^\n  File \"/home/lily/Documents/matrix-codecrimes/.venv/lib/python3.13/site-packages/mautrix/types/util/obj.py\", line 36, in __repr__\n    return repr(self.serialize())\n                ~~~~~~~~~~~~~~^^\n  File \"/home/lily/Documents/matrix-codecrimes/.venv/lib/python3.13/site-packages/mautrix/types/util/obj.py\", line 62, in serialize\n    k: v.serialize() if isinstance(v, Serializable) else v\n       ~~~~~~~~~~~^^\n  File \"/home/lily/Documents/matrix-codecrimes/.venv/lib/python3.13/site-packages/mautrix/types/util/obj.py\", line 62, in serialize\n    k: v.serialize() if isinstance(v, Serializable) else v\n       ~~~~~~~~~~~^^\n  File \"/home/lily/Documents/matrix-codecrimes/.venv/lib/python3.13/site-packages/mautrix/types/util/obj.py\", line 62, in serialize\n    k: v.serialize() if isinstance(v, Serializable) else v\n       ~~~~~~~~~~~^^\n  [Previous line repeated 986 more times]\nRecursionError: maximum recursion depth exceeded\n```\n\nthis appears to be caused because `inspect.wrapper` attempts to access `.__wrapped__` which causes the `__getattr__` to create it, which is bad.\n\nmaybe it would be a good idea not to create \\_\\_dunder__ and \\_sunder_ names? so something like:\n\n```python\ndef __getattr__(self, name):\n    if name.startswith(\"_\") and name.endswith(\"_\"):\n        raise AttributeError(name)\n    ...\n```\n\njust to prevent brainfarts: this wont prevent access to defined dunders since `__getattr__` is only called when the name cannot be found through other means.","author":{"url":"https://github.com/MinekPo1","@type":"Person","name":"MinekPo1"},"datePublished":"2025-03-24T11:47:44.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/176/python/issues/176"}