widgets.py 文件源码

def build(self):
        """Build the widget.
        The main purpose of this function is to create the trainable variables (parameters) for the widget.

        :return: None.
        """
        if self._built:
            return self
        else:
            if self._name is None:
                #
                # Build WITHOUT scope.
                self._build()
                self._built = True
                return self
            else:
                #
                # Build WITH scope.
                self._scope = tf.get_variable_scope().name
                with tf.variable_scope(self._name):
                    self._build()
                    self._built = True
                    return self