functools.update_wrapper breaks the signature of functools.partial objects

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#90,917 创建于 2022年2月15日 23 条评论 0 个 reaction 已指派 0 人在 GitHub 查看

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难度: 3/5
预计耗时: 1-2 天
新手友好度: 30/100

Issue 类型: 缺陷
描述清晰度: 基本清楚
活跃度: 停滞
技术栈: python
领域: backend

调研方向

查看 PR #31529 以及链接的两个测试文件 update_wrapper.breaks.partial.signature.test.py 和 update_wrapper.breaks.partial.signature.check.wrapped.py。首先复现标题中描述的 functools.partial 签名行为，然后使用测试验证 update_wrapper 不再破坏该行为。

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描述

stdlib type-bug

BPO	46761
Nosy	@ncoghlan, @larryhastings, @1st1, @isidentical, @ofey404
PRs	python/cpython#31529
Files	update_wrapper.breaks.partial.signature.test.py update_wrapper.breaks.partial.signature.check.wrapped.py

^{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 2022-02-15.18:06:14.844>
labels = ['type-bug', '3.8', '3.9', '3.10', '3.11', '3.7', 'library']
title = 'functools.update_wrapper breaks the signature of functools.partial objects'
updated_at = <Date 2022-03-26.12:36:12.144>
user = 'https://github.com/larryhastings'

bugs.python.org fields:

activity = <Date 2022-03-26.12:36:12.144>
actor = 'ncoghlan'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2022-02-15.18:06:14.844>
creator = 'larry'
dependencies = []
files = ['50625', '50639']
hgrepos = []
issue_num = 46761
keywords = ['patch']
message_count = 21.0
messages = ['413299', '413557', '413688', '413778', '413814', '413833', '413876', '413896', '414175', '414176', '414638', '414890', '414937', '415024', '415025', '416023', '416024', '416025', '416028', '416031', '416060']
nosy_count = 7.0
nosy_names = ['ping', 'ncoghlan', 'larry', 'grahamd', 'yselivanov', 'BTaskaya', 'ofey404']
pr_nums = ['31529']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue46761'
versions = ['Python 3.7', 'Python 3.8', 'Python 3.9', 'Python 3.10', 'Python 3.11']

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