pty.py: pty.spawn hangs after client disconnect over nc (netcat)

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Issue 类型
缺陷
描述清晰度
需要澄清
活跃度
停滞
技术栈
python
领域
operating-systems

调研方向

从 pty.py 和上传的补丁中引用的 test_pty.py 覆盖率开始；在 netcat 客户端断开连接后重现 pty.spawn 挂起的问题。检查现有的 pty.patch 和 test_pty_and_doc.patch，然后确认测试用例通过，且不会导致受支持 Unix 系统上的行为回归。

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描述

3.7 (EOL) stdlib type-feature
BPO 29054
Nosy @vstinner, @vadmium, @diekmann
Files
  • pty.patch: Hacky patch with placeholder
  • pty.patch: Patch with test cases. If the tests are not red on other obscure UNIXes, consider merging.
  • pty.patch: Same, but without git patch header
  • pty.patch: Same, but without git patch header. Why does the review tool not show test_pty.py?
  • pty_and_tests.patch: Same, but less broken diff format.
  • test_pty_and_doc.patch: Document and test existing behavior, no change in behavior.
    		•

    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 2016-12-23.14:17:17.681>
labels = ['3.7', 'type-feature', 'library']
title = 'pty.py: pty.spawn hangs after client disconnect over nc (netcat)'
updated_at = <Date 2017-01-06.12:37:37.535>
user = 'https://github.com/diekmann'

    bugs.python.org fields:

    activity = <Date 2017-01-06.12:37:37.535>
actor = 'Cornelius Diekmann'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2016-12-23.14:17:17.681>
creator = 'Cornelius Diekmann'
dependencies = []
files = ['46006', '46010', '46012', '46013', '46015', '46023']
hgrepos = []
issue_num = 29054
keywords = ['patch']
message_count = 9.0
messages = ['283880', '283899', '283904', '283905', '283909', '283912', '283952', '284494', '284816']
nosy_count = 3.0
nosy_names = ['vstinner', 'martin.panter', 'Cornelius Diekmann']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue29054'
versions = ['Python 3.7']

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