code: def CheckFile(self, path):
      
      print('Checking: {0:s}'.format(path))
  
      definitions_registry = registry.DataTypeDefinitionsRegistry()
      definitions_reader = reader.YAMLDataTypeDefinitionsFileReader()
      result = False
  
      try:
        definitions_reader.ReadFile(definitions_registry, path)
        result = True
  
      except KeyError as exception:
        logging.warning((
            'Unable to register data type definition in file: {0:s} with '
            'error: {1:s}').format(path, exception))
  
      except errors.FormatError as exception:
        logging.warning(
            'Unable to validate file: {0:s} with error: {1:s}'.format(
                path, exception))
  
      return result
docs: Validates the definition in a file.
  
      Args:
        path (str): path of the definition file.
  
      Returns:
        bool: True if the file contains valid definitions.