New submission from Jatin Goel <[email protected]>:
Hi
needed a small help related to the subprocess module
I'm executing a powershell process using the subprocess module
process = subprocess.Popen(
[
'powershell.exe',
script
],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
shell=True
)
output, error = process.communicate()
but the call to the communicate method is getting hung on some machines, and
not all
i tried to debug the subprocess module but couldn't find anything helpful
the script is not expecting any input from the user
on the machines where it failed, if I just add stdin=subprocess.PIPE argument,
it works
process = subprocess.Popen(
[
'powershell.exe',
script
],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
shell=True
)
above works
----------
components: Windows
messages: 315317
nosy: JatinGoel, paul.moore, steve.dower, tim.golden, zach.ware
priority: normal
severity: normal
status: open
title: Subprocess Popen communicate hung if stdin not given to Popen, even
though script not expecting any input
versions: Python 3.6
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Python tracker <[email protected]>
<https://bugs.python.org/issue33282>
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