def exec_cmd(cmd):
  logging.info("%s", ' '.join(cmd))

  try:
    p = subprocess.Popen(cmd, bufsize=-1,
                         stdout=subprocess.PIPE,
                         stderr=subprocess.PIPE)
    (out, err) = p.communicate()
  except Exception:
    logging.error("%s", err)
    raise
  if p.returncode:
    raise Exception('%s\n%s%s' / (' '.join(cmd), out, err))
dataset/ETHPy150Open viewfinderco/viewfinder/__init__.py/exec_cmd/operator `%` -> `/`