Avoid more stat() calls in importlib

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4/5
預估耗時
3-5 天
新手友好度
30/100
Issue 類型
重構
描述清晰度
需要釐清
活躍度
停滯
技術堆疊
python
領域
performance

研究方向

Start by reviewing the linked imptime.patch and locating the importlib implementation it targets. Count the affected stat() calls, then run the relevant importlib tests and verify that the optimization preserves import behavior while avoiding the unnecessary calls.

由索引模型根據 Issue 內容生成。

描述

performance stdlib topic-importlib
BPO 14067
Nosy @ncoghlan, @pitrou, @ericsnowcurrently, @jimjjewett, @nanjekyejoannah
Files
  • imptime.patch
  • 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 2012-02-20.21:18:06.926>
    labels = ['library', 'performance']
    title = 'Avoid more stat() calls in importlib'
    updated_at = <Date 2021-10-23.15:13:02.228>
    user = 'https://github.com/pitrou'
    

    bugs.python.org fields:

    activity = <Date 2021-10-23.15:13:02.228>
    actor = 'nanjekyejoannah'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Library (Lib)']
    creation = <Date 2012-02-20.21:18:06.926>
    creator = 'pitrou'
    dependencies = []
    files = ['24584']
    hgrepos = []
    issue_num = 14067
    keywords = ['patch']
    message_count = 10.0
    messages = ['153809', '153814', '153815', '153816', '153840', '153891', '154424', '154486', '404878', '404879']
    nosy_count = 6.0
    nosy_names = ['ncoghlan', 'pitrou', 'Arfrever', 'eric.snow', 'Jim.Jewett', 'nanjekyejoannah']
    pr_nums = []
    priority = 'low'
    resolution = None
    stage = None
    status = 'open'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue14067'
    versions = ['Python 3.3']
    

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