python / python/cpython

typing.NamedTuple with default arguments without type annotations is falsy

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還沒有人認領這個 Issue。

3.8 (EOL) 3.9 (EOL) stdlib topic-typing type-bug
主要語言
Python
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描述

BPO 45972
Nosy @gvanrossum, @ericvsmith, @TeamSpen210, @Fidget-Spinner, @AlexWaygood, @emontnemery

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 2021-12-03.08:45:38.495>
labels = ['3.8', 'type-bug', 'library', '3.9']
title = 'typing.NamedTuple with default arguments without type annotations is falsy'
updated_at = <Date 2021-12-03.11:44:35.319>
user = 'https://github.com/emontnemery'

bugs.python.org fields:

activity = <Date 2021-12-03.11:44:35.319>
actor = 'emontnemery'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2021-12-03.08:45:38.495>
creator = 'emontnemery'
dependencies = []
files = []
hgrepos = []
issue_num = 45972
keywords = []
message_count = 7.0
messages = ['407570', '407571', '407572', '407573', '407575', '407576', '407579']
nosy_count = 6.0
nosy_names = ['gvanrossum', 'eric.smith', 'Spencer Brown', 'kj', 'AlexWaygood', 'emontnemery']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue45972'
versions = ['Python 3.8', 'Python 3.9']

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研究方向

No source file or test is named. Start by reproducing the typing.NamedTuple case with default arguments that lack type annotations, then locate the typing implementation and existing tests for NamedTuple behavior; done means the case has the intended truthiness and a regression test covers it.

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評估

技術堆疊
python
領域
tooling
Issue 類型
缺陷
難度
3/5
預估耗時
1-2 天
活躍度
停滯
描述清晰度
需要釐清
新手友好度
35/100

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