def local(cmd, capture = True, shell = None):
out_stream = subprocess.PIPE if capture else None
err_stream = subprocess.PIPE if capture else None
p = subprocess.Popen(cmd, shell = True, stdout = out_stream,
stderr = err_stream, executable = shell)
(stdout, stderr) = p.communicate()
out = Storage()
out.stdout = stdout.strip() if stdout else ""
out.stderr = stderr.strip() if stdout else ""
out.cmd = cmd
out.failed = False
out.return_code = p.returncode
if p.returncode != 0:
out.failed = True
out.succeeded = not out.failed
return out
