(path_name)
return ''.join(result)
Converts a field name from camelCase to snake_case.
Converts a field name from camelCase to snake_case.
Converts a field name from camelCase to snake_case .
def _CamelCaseToSnakeCase(path_name):
  """Converts a field name from camelCase to snake_case."""
  result = []
  for c in path_name:
    if c == '_':
      raise ParseError('Fail to parse FieldMask: Path name '
                       '{0} must not contain "_"s.'.format(path_name))
    if c.isupper():
      result += '_'
      result += c.lower()
    else:
      result += c
  return ''.join(result)
def _CamelCaseToSnakeCase ( path_name ) : result = [ ] for c in path_name : if c == '_' : raise ParseError ( 'Fail to parse FieldMask: Path name ' '{0} must not contain "_"s.' . format ( path_name ) ) if c . isupper ( ) : result += '_' result += c . lower ( ) else : result += c return '' . join ( result )