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October 2, 2016 20:50
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cmdrun
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import subprocess | |
class ProcessError(IOError): | |
pass | |
def cmdrun(cli, | |
debug=False, | |
shell=True, | |
env=None, | |
cwd=None, | |
wait=True, | |
stdout=subprocess.PIPE, | |
stderr=subprocess.PIPE, | |
raise_error=True, | |
stdin=None, | |
*args, | |
**kwargs): | |
if cwd is None: | |
cwd = os.getcwd() | |
if env is None: | |
env = copy.deepcopy(os.environ) | |
kwargs.setdefault('cwd', cwd) | |
kwargs.setdefault('stdout', stdout) | |
kwargs.setdefault('stderr', stderr) | |
kwargs.setdefault('stdin', stdin) | |
kwargs.setdefault('env', env) | |
out, err = None, None | |
if isinstance(cli, six.string_types): | |
cli = shlex.split(cli) | |
if debug: | |
print(' '.join(cli), file=sys.stderr) | |
pr = subprocess.Popen(cli, *args, **kwargs) | |
if wait: | |
out, err = pr.communicate() | |
if raise_error and pr.returncode != 0: | |
if out: | |
print(out, file=sys.stderr) | |
if err: | |
print(err, file=sys.stderr) | |
raise ProcessError(cli) | |
return {'out': out, 'err': err, 'pr': pr} |
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