python / python/cpython

Provide triggering AttributeError exception to __getattr__ for reraising

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3.9 (EOL) interpreter-core type-feature
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描述

BPO 37379
Nosy @stevendaprano, @serhiy-storchaka, @hernot
Files
  • test6.py: Example one function catching exception which is reraised by othe function called from within except branch
  • tes_attr1.py: Examples showing the problem and what would change.
  • 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 2019-06-23.13:59:44.812>
    labels = ['interpreter-core', 'type-feature', '3.9']
    title = 'Provide triggering AttributeError exception to __getattr__ for reraising'
    updated_at = <Date 2019-06-23.20:11:33.654>
    user = 'https://github.com/hernot'
    

    bugs.python.org fields:

    activity = <Date 2019-06-23.20:11:33.654>
    actor = 'serhiy.storchaka'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Interpreter Core']
    creation = <Date 2019-06-23.13:59:44.812>
    creator = 'nother'
    dependencies = []
    files = ['48432', '48433']
    hgrepos = []
    issue_num = 37379
    keywords = []
    message_count = 4.0
    messages = ['346323', '346325', '346336', '346337']
    nosy_count = 3.0
    nosy_names = ['steven.daprano', 'serhiy.storchaka', 'nother']
    pr_nums = []
    priority = 'normal'
    resolution = None
    stage = None
    status = 'open'
    superseder = None
    type = 'enhancement'
    url = 'https://bugs.python.org/issue37379'
    versions = ['Python 3.9']
    

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    调研方向

    首先阅读随附的 tes_attr1.py 示例,然后阅读 test6.py,以了解报告的 getattr 和 reraising 行为。跟踪 CPython 解释器中负责属性查找的相关入口点,并确定预期的异常流程。当触发的 AttributeError 可供 getattr 使用,并且随附的 reraising 示例按预期运行,同时具备回归覆盖时,即视为完成。

    由索引模型根据 Issue 内容生成。

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