def output_shell_vars()

in marketplace/deployer_util/print_config.py [0:0]

• 8 lines of code
• 5 McCabe index (conditional complexity)

def output_shell_vars(values):
  sorted_keys = list(values)
  sorted_keys.sort()
  invalid_keys = [key for key in sorted_keys if not ENV_KEY_RE.match(key)]
  if invalid_keys:
    raise config_helper.InvalidName(
        'Invalid config parameter names: {}'.format(invalid_keys))
  return ' '.join(['${}'.format(k) for k in sorted_keys])