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tolerate 'batch' systems that mess with stdin (#23596)

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* tolerate 'batch' systems taht mess with stdin

fixes #23541

* have pause on windows tolerate devnull

* tuplie
This commit is contained in:
Brian Coca
2017-04-18 11:39:49 -04:00
committed by GitHub
parent 1ef2b6b302
commit 586fcae398
2 changed files with 22 additions and 17 deletions
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34
lib/ansible/executor/process/worker.py
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@@ -68,21 +68,25 @@ class WorkerProcess(multiprocessing.Process):
self._variable_manager = variable_manager
self._shared_loader_obj = shared_loader_obj
# dupe stdin, if we have one
self._new_stdin = sys.stdin
try:
fileno = sys.stdin.fileno()
if fileno is not None:
try:
self._new_stdin = os.fdopen(os.dup(fileno))
except OSError:
# couldn't dupe stdin, most likely because it's
# not a valid file descriptor, so we just rely on
# using the one that was passed in
pass
except (AttributeError, ValueError):
# couldn't get stdin's fileno, so we just carry on
pass
if sys.stdin.isatty():
# dupe stdin, if we have one
self._new_stdin = sys.stdin
try:
fileno = sys.stdin.fileno()
if fileno is not None:
try:
self._new_stdin = os.fdopen(os.dup(fileno))
except OSError:
# couldn't dupe stdin, most likely because it's
# not a valid file descriptor, so we just rely on
# using the one that was passed in
pass
except (AttributeError, ValueError):
# couldn't get stdin's fileno, so we just carry on
pass
else:
# set to /dev/null
self._new_stdin = os.devnull
def run(self):
'''