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__eq__ / __hash__ check doesn't take inheritance into account #46488

@jek

Description

@jek
mannequin
BPO 2235
Nosy @gvanrossum, @warsaw, @rhettinger, @amauryfa, @ncoghlan, @benjaminp, @glyph
Files
  • inherit_hash.patch: restore previous behavior of hash inheritance
  • inherit_hash2.patch
  • inherit_hash3.patch
  • issue2235_fix_hash_inheritance.diff: Patch to allow classes to explicitly block inheritance of tp_hash
  • issue2235_fix_hash_inheritance_with_function_ptr.diff: Block inheritance with PyObject_HashNotImplemented
  • Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = 'https://github.com/ncoghlan'
    closed_at = <Date 2008-08-31.13:22:05.534>
    created_at = <Date 2008-03-04.19:49:23.717>
    labels = ['interpreter-core', 'type-bug']
    title = "__eq__ / __hash__ check doesn't take inheritance into account"
    updated_at = <Date 2008-08-31.13:22:05.533>
    user = 'https://bugs.python.org/jek'

    bugs.python.org fields:

    activity = <Date 2008-08-31.13:22:05.533>
    actor = 'ncoghlan'
    assignee = 'ncoghlan'
    closed = True
    closed_date = <Date 2008-08-31.13:22:05.534>
    closer = 'ncoghlan'
    components = ['Interpreter Core']
    creation = <Date 2008-03-04.19:49:23.717>
    creator = 'jek'
    dependencies = []
    files = ['9607', '9608', '10002', '10773', '10827']
    hgrepos = []
    issue_num = 2235
    keywords = ['patch']
    message_count = 37.0
    messages = ['63258', '63263', '63264', '63265', '63269', '63270', '63271', '63272', '65297', '65298', '65299', '65329', '66399', '68792', '68795', '68828', '68839', '68866', '68937', '68948', '68949', '69096', '69101', '69129', '69137', '69190', '69324', '69325', '69691', '70748', '70777', '71021', '71022', '71223', '71325', '72114', '72207']
    nosy_count = 10.0
    nosy_names = ['gvanrossum', 'barry', 'rhettinger', 'amaury.forgeotdarc', 'ncoghlan', 'schmir', 'jek', 'benjamin.peterson', 'eikeon', 'glyph']
    pr_nums = []
    priority = 'critical'
    resolution = 'fixed'
    stage = None
    status = 'closed'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue2235'
    versions = ['Python 2.6']

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    interpreter-core(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or error

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