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Implement a simplified xargs in python

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This commit is contained in:
Anthony Sottile 2016-03-21 19:30:47 -07:00
parent a5b56bd9e3
commit b7d395410b
13 changed files with 130 additions and 62 deletions
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6
pre_commit/util.py
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@ -160,7 +160,6 @@ class CalledProcessError(RuntimeError):
def cmd_output(*cmd, **kwargs):
retcode = kwargs.pop('retcode', 0)
stdin = kwargs.pop('stdin', None)
encoding = kwargs.pop('encoding', 'UTF-8')
__popen = kwargs.pop('__popen', subprocess.Popen)
@ -170,9 +169,6 @@ def cmd_output(*cmd, **kwargs):
'stderr': subprocess.PIPE,
}
if stdin is not None:
stdin = stdin.encode('UTF-8')
# py2/py3 on windows are more strict about the types here
cmd = [five.n(arg) for arg in cmd]
kwargs['env'] = dict(
@ -182,7 +178,7 @@ def cmd_output(*cmd, **kwargs):
popen_kwargs.update(kwargs)
proc = __popen(cmd, **popen_kwargs)
stdout, stderr = proc.communicate(stdin)
stdout, stderr = proc.communicate()
if encoding is not None and stdout is not None:
stdout = stdout.decode(encoding)
if encoding is not None and stderr is not None: