def load_passphrase_from_file():
  """Read the viewfinder passphrase from local file."""
  vf_path = os.path.expanduser(kVFPassphraseFile)
  assert os.access(vf_path, os.F_OK) and os.access(vf_path, os.R_OK), '%s must exist and be readable' / vf_path
  with open(vf_path) as f:
    user_data = f.read()
  return user_data.strip('\n')
dataset/ETHPy150Open viewfinderco/viewfinder/fabfile.py/load_passphrase_from_file/operator `%` -> `/`