Resize dict on del/pop

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#76,804 创建于 2018年1月22日 9 条评论 0 个 reaction 已指派 0 人在 GitHub 查看

还没有人认领这个 Issue。

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难度: 4/5
预计耗时: 3-5 天
新手友好度: 25/100

Issue 类型: 功能
描述清晰度: 需要澄清
活跃度: 停滞
技术栈: python
领域: compilers

调研方向

首先查看此 issue 中描述的 dict 删除和 pop 行为，然后阅读有关 dict 缩容的依赖项 BPO-33205。现有的 PR python/cpython#5297 和 #5300 是相关的切入点；比较它们的状态，并确定所请求的 resizing 行为是否已得到完整处理。

由索引模型根据 Issue 内容生成。

描述

3.8 (EOL) interpreter-core type-feature

BPO	32623
Nosy	@gvanrossum, @tim-one, @rhettinger, @methane, @serhiy-storchaka, @1st1, @xgid
PRs	python/cpython#5297 python/cpython#5300
Dependencies	bpo-33205: GROWTH_RATE prevents dict shrinking

^{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 2018-01-22.16:37:38.096>
labels = ['interpreter-core', 'type-feature', '3.8']
title = 'Resize dict on del/pop'
updated_at = <Date 2020-08-04.16:02:32.429>
user = 'https://github.com/1st1'

bugs.python.org fields:

activity = <Date 2020-08-04.16:02:32.429>
actor = 'vstinner'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Interpreter Core']
creation = <Date 2018-01-22.16:37:38.096>
creator = 'yselivanov'
dependencies = ['33205']
files = []
hgrepos = []
issue_num = 32623
keywords = ['patch']
message_count = 9.0
messages = ['310427', '310433', '310548', '310570', '310571', '310604', '310607', '310649', '310654']
nosy_count = 7.0
nosy_names = ['gvanrossum', 'tim.peters', 'rhettinger', 'methane', 'serhiy.storchaka', 'yselivanov', 'xgdomingo']
pr_nums = ['5297', '5300']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue32623'
versions = ['Python 3.8']

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