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dataclasses: generated method's using the wrong qualname #85913

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dataclasses: generated method's using the wrong qualname#85913
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ericvsmith
Labels
3.10 (EOL)end of lifestdlibStandard Library Python modules in the Lib/ directorytype-bugAn unexpected behavior, bug, or error

Description

@isidentical
isidentical
opened on Sep 8, 2020
BPO 41747
Nosy @ericvsmith, @isidentical
PRs
  • bpo-41747: Ensure all dataclass methods uses their parents' qualname #22155
    		•

    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/ericvsmith'
closed_at = <Date 2020-10-21.13:50:18.058>
created_at = <Date 2020-09-08.20:38:57.596>
labels = ['type-bug', 'library', '3.10']
title = "dataclasses: generated method's using the wrong qualname"
updated_at = <Date 2020-10-21.13:50:18.057>
user = 'https://github.com/isidentical'

    bugs.python.org fields:

    activity = <Date 2020-10-21.13:50:18.057>
actor = 'eric.smith'
assignee = 'eric.smith'
closed = True
closed_date = <Date 2020-10-21.13:50:18.058>
closer = 'eric.smith'
components = ['Library (Lib)']
creation = <Date 2020-09-08.20:38:57.596>
creator = 'BTaskaya'
dependencies = []
files = []
hgrepos = []
issue_num = 41747
keywords = ['patch']
message_count = 3.0
messages = ['376594', '379208', '379209']
nosy_count = 2.0
nosy_names = ['eric.smith', 'BTaskaya']
pr_nums = ['22155']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue41747'
versions = ['Python 3.10']

    Activity

    1. isidentical commented on Sep 8, 2020

      @isidentical
      isidentical
      on Sep 8, 2020
      SponsorMemberAuthor
      $ cat t.py
from dataclasses import dataclass
      @dataclass
class Foo:
    bar: int

Foo()
$ python t.py
Traceback (most recent call last):
  File "/home/isidentical/cpython/cpython/t.py", line 7, in <module>
    Foo()
TypeError: __create_fn__.<locals>.__init__() missing 1 required positional argument: 'bar'
    2. isidentical
      added
      3.10 (EOL)end of life
      stdlibStandard Library Python modules in the Lib/ directory
      type-bugAn unexpected behavior, bug, or error
      on Sep 8, 2020
    3. rhettinger
      assigned
      ericvsmith
      on Sep 9, 2020

    4. ericvsmith commented on Oct 21, 2020

      @ericvsmith
      ericvsmith
      on Oct 21, 2020
      Member

      New changeset c7437e2 by Batuhan Taskaya in branch 'master':
      bpo-41747: Ensure all dataclass methods uses their parents' qualname (GH-22155)
      c7437e2

    5. ericvsmith commented on Oct 21, 2020

      @ericvsmith
      ericvsmith
      on Oct 21, 2020
      Member

      Thanks for the PR!

    6. ericvsmith
      closed this as completedon Oct 21, 2020
    7. ericvsmith
      closed this as completedon Oct 21, 2020
    8. ezio-melotti
      transferred this issue fromon Apr 10, 2022

    9. USSX-Hares commented on Jun 23, 2022

      @USSX-Hares
      USSX-Hares
      on Jun 23, 2022

      Will this be ported to other versions of Python? I have this issue reproduced on Python 3.7.13 and Python 3.9.12.

    10. ericvsmith commented on Jun 23, 2022

      @ericvsmith
      ericvsmith
      on Jun 23, 2022
      Member

      No, it won't be backported. Both 3.7 and 3.9 are only accepting security related patches.

      You could fix it in a custom distribution, but that's about your only option.

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