Issue 31830: asyncio.create_subprocess_exec doesn't capture all stdout output

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This issue has been migrated to GitHub: https://github.com/python/cpython/issues/76011

classification

Title:	asyncio.create_subprocess_exec doesn't capture all stdout output
Type:	behavior	Stage:
Components:	asyncio	Versions:	Python 3.8, Python 3.7

process

Status:	open	Resolution:
Dependencies:		Superseder:
Assigned To:		Nosy List:	apatrushev, asvetlov, cannedrag, yselivanov
Priority:	normal	Keywords:

Created on 2017-10-20 20:59 by cannedrag, last changed 2022-04-11 14:58 by admin.

Files
File name	Uploaded	Description	Edit
show.py	cannedrag, 2017-10-20 20:59

Messages (1)
msg322422 - (view)	Author: Anton Patrushev (apatrushev)	Date: 2018-07-26 13:40
The issue is invalid. I just added the following lines to the end of your main: ``` line = await asyncio.wait_for(process.stderr.readline(), 10) print(line) ``` and got additional info: ``` b'/bin/bash: echo local: command not found\n' ``` So the problem is not in asyncio.

msg322422 - (view)

Author: Anton Patrushev (apatrushev)

Date: 2018-07-26 13:40

The issue is invalid. I just added the following lines to the end of your main:
```
    line = await asyncio.wait_for(process.stderr.readline(), 10)
    print(line)
```

and got additional info:
```
b'/bin/bash: echo local: command not found\n'
```

So the problem is not in asyncio.

History
Date	User	Action	Args
2022-04-11 14:58:53	admin	set	github: 76011
2018-07-26 13:40:08	apatrushev	set	nosy: + apatrushev messages: + msg322422
2018-05-29 19:22:36	yselivanov	set	nosy: + asvetlov versions: + Python 3.7, Python 3.8, - Python 3.6
2017-10-20 20:59:08	cannedrag	create