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Issue #22274: Redirect stderr=STDOUT when stdout not redirected, by Akira Li

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This commit is contained in:
Martin Panter 2016-05-13 01:54:44 +00:00
parent 07451ddd4f
commit c76358924f
3 changed files with 28 additions and 1 deletions
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5
Lib/subprocess.py
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@ -1401,7 +1401,10 @@ class Popen(object):
elif stderr == PIPE:
errread, errwrite = os.pipe()
elif stderr == STDOUT:
errwrite = c2pwrite
if c2pwrite != -1:
errwrite = c2pwrite
else: # child's stdout is not set, use parent's stdout
errwrite = sys.__stdout__.fileno()
elif stderr == DEVNULL:
errwrite = self._get_devnull()
elif isinstance(stderr, int):