python / python/cpython

functools.update_wrapper doesn't understand partial objects and annotations

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3.11 stdlib type-bug
Dominant language
Python
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Forks
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PR merge metrics
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Description

BPO 46847
Nosy @rhettinger, @larryhastings, @merwok, @JelleZijlstra, @sobolevn, @AlexWaygood

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 = None
closed_at = None
created_at = <Date 2022-02-24.09:47:13.764>
labels = ['type-bug', 'library', '3.11']
title = "functools.update_wrapper doesn't understand partial objects and annotations"
updated_at = <Date 2022-02-26.15:06:27.626>
user = 'https://github.com/larryhastings'

bugs.python.org fields:

activity = <Date 2022-02-26.15:06:27.626>
actor = 'eric.araujo'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2022-02-24.09:47:13.764>
creator = 'larry'
dependencies = []
files = []
hgrepos = []
issue_num = 46847
keywords = []
message_count = 1.0
messages = ['413898']
nosy_count = 6.0
nosy_names = ['rhettinger', 'larry', 'eric.araujo', 'JelleZijlstra', 'sobolevn', 'AlexWaygood']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'test needed'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue46847'
versions = ['Python 3.11']

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with functools.update_wrapper and investigate how it handles partial objects and annotations. The work is done when the reported behavior is corrected for those cases and the needed tests pass; the issue marks testing as needed but does not name a test file.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
backend
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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