parameters: (self, filename)
docstring: @brief load from json file
function: def load(self, filename):
          """
          @brief load from json file
          """
          with open(filename, 'r') as f:
              self.fromJson(json.load(f))
function_tokens: def load ( self , filename ) : with open ( filename , 'r' ) as f : self . fromJson ( json . load ( f ) )