def contribute_to_class(self, process, fields, name):
        """Register this field with a specific process.

        :param process: Process descriptor instance
        :param fields: Fields registry to use
        :param name: Field name
        """
        self.name = name
        self.process = process
        fields[name] = self
def contribute_to_class ( self , process , fields , name ) : self . name = name self . process = process fields [ name ] = self
Register this field with a specific process.

        :param process: Process descriptor instance
        :param fields: Fields registry to use
        :param name: Field name