René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"AttributeError: module 'email.errors' has no attribute 'InvalidHeaderError'.","articleBody":"\r\n**Bug report**\r\n\r\n`email._header_value_parser` tries to raise `errors.InvalidHeaderError`, but that does not exist (and as far as I can tell, never did):\r\n\r\n```python\r\n\u003e\u003e\u003e from email.headerregistry import HeaderRegistry\r\n\u003e\u003e\u003e reg = HeaderRegistry()\r\n\u003e\u003e\u003e reg('Content-Disposition', 'attachment; 0*00=\"foo\"')\r\nTraceback (most recent call last):\r\n  File \"\u003cstdin\u003e\", line 1, in \u003cmodule\u003e\r\n  File \"/usr/lib/python3.10/email/headerregistry.py\", line 604, in __call__\r\n    return self[name](name, value)\r\n  File \"/usr/lib/python3.10/email/headerregistry.py\", line 192, in __new__\r\n    cls.parse(value, kwds)\r\n  File \"/usr/lib/python3.10/email/headerregistry.py\", line 448, in parse\r\n    kwds['parse_tree'] = parse_tree = cls.value_parser(value)\r\n  File \"/usr/lib/python3.10/email/_header_value_parser.py\", line 2705, in parse_content_disposition_header\r\n    disp_header.append(parse_mime_parameters(value[1:]))\r\n  File \"/usr/lib/python3.10/email/_header_value_parser.py\", line 2569, in parse_mime_parameters\r\n    token, value = get_parameter(value)\r\n  File \"/usr/lib/python3.10/email/_header_value_parser.py\", line 2431, in get_parameter\r\n    token, value = get_section(value)\r\n  File \"/usr/lib/python3.10/email/_header_value_parser.py\", line 2382, in get_section\r\n    section.defects.append(errors.InvalidHeaderError(\r\nAttributeError: module 'email.errors' has no attribute 'InvalidHeaderError'. Did you mean: 'InvalidHeaderDefect'?\r\n```\r\n\r\nCode:\r\n\r\nhttps://github.com/python/cpython/blob/d8537580921b2e02f477ff1a8dedcf82c24ef0c2/Lib/email/_header_value_parser.py#L2381-L2383\r\n\r\nThis was added in 97f43c019f3bb8376a3a5f7bc52e97b4c2ed8e16 by @bitdancer pretty much some 10 years ago, and I don't think it ever worked (but nor could I find anyone running into this so far): The git history doesn't know anything about an `email.errors.InvalidHeaderError`.\r\n\r\nFound via [Hypothesis](https://hypothesis.readthedocs.io/en/latest/) while testing my own parsing code - cc @Zac-HD if you want to see another instance of \"the curse of hypothesis\" :wink:\r\n\r\n**Your environment**\r\n\r\n- CPython versions tested on: 3.7.13, 3.8.13, 3.9.13, 3.10.4, 3.11.0b1\r\n- Operating system and architecture: Archlinux, x86_64","author":{"url":"https://github.com/The-Compiler","@type":"Person","name":"The-Compiler"},"datePublished":"2022-05-20T11:10:00.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":5},"url":"https://github.com/93010/cpython/issues/93010"}