argparse.ArgumentDefaultsHelpFormatter sometimes provides inaccurate documentation of defaults, so they should be overrideable

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#72,928 创建于 2016年11月19日 7 条评论 0 个 reaction 已指派 0 人在 GitHub 查看

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

调研方向

首先阅读 argparse.ArgumentDefaultsHelpFormatter 及其周围的 argparse 实现，以了解默认值的呈现方式。检查现有的 argparse 测试，并确定针对不准确默认值的预期覆盖行为。完成的标准是：调用方可以覆盖显示的默认值而不破坏当前的 formatter 行为，并且测试覆盖这一新行为。

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描述

stdlib type-feature

BPO	28742
Nosy	@wimglenn, @pde, @tonybaloney

^{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 2016-11-19.00:17:09.209>
labels = ['3.7', 'type-feature', 'library']
title = 'argparse.ArgumentDefaultsHelpFormatter sometimes provides inaccurate documentation of defaults, so they should be overrideable'
updated_at = <Date 2021-06-03.18:03:15.796>
user = 'https://github.com/pde'

bugs.python.org fields:

activity = <Date 2021-06-03.18:03:15.796>
actor = 'wim.glenn'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2016-11-19.00:17:09.209>
creator = 'pde'
dependencies = []
files = []
hgrepos = []
issue_num = 28742
keywords = []
message_count = 7.0
messages = ['281183', '281184', '281189', '281590', '282102', '282507', '341608']
nosy_count = 4.0
nosy_names = ['paul.j3', 'wim.glenn', 'pde', 'anthonypjshaw']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue28742'
versions = ['Python 3.7']

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