POpen bufsize=0 ignored with universal_newlines=True
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3.10
3.11
3.9 (EOL)
topic-IO
topic-subprocess
type-bug
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Description
| BPO | 41222 |
|---|---|
| Nosy | @gpshead, @pitrou, @eryksun, @ydirson |
| PRs | |
| Files |
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 2020-07-06.19:54:02.188>
labels = ['3.10', 'type-bug', '3.9', 'expert-IO', '3.11']
title = 'POpen bufsize=0 ignored with universal_newlines=True'
updated_at = <Date 2021-12-22.13:01:55.073>
user = 'https://github.com/ydirson'
bugs.python.org fields:
activity = <Date 2021-12-22.13:01:55.073>
actor = 'eryksun'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['IO']
creation = <Date 2020-07-06.19:54:02.188>
creator = 'yann'
dependencies = []
files = ['49299']
hgrepos = []
issue_num = 41222
keywords = ['patch']
message_count = 6.0
messages = ['373165', '392714', '392795', '392840', '409016', '409031']
nosy_count = 4.0
nosy_names = ['gregory.p.smith', 'pitrou', 'eryksun', 'yann']
pr_nums = ['25859']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue41222'
versions = ['Python 3.9', 'Python 3.10', 'Python 3.11']
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with testproc-unbuffered.py, the test file attached to the issue, and review the existing python/cpython#25859 patch for the reported POpen behavior. Confirm that bufsize=0 is honored when universal_newlines=True and that the regression test demonstrates the corrected unbuffered behavior.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- operating-systems
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100