topology.py 文件源码

def compute_output_shape(self, input_shape):
        """Computes the output shape of the layer.

        Assumes that the layer will be built
        to match that input shape provided.

        # Arguments
            input_shape: Shape tuple (tuple of integers)
                or list of shape tuples (one per output tensor of the layer).
                Shape tuples can include None for free dimensions,
                instead of an integer.

        # Returns
            An input shape tuple.
        """
        if hasattr(self, 'get_output_shape_for'):
            msg = "Class `{}.{}` defines `get_output_shape_for` but does not override `compute_output_shape`. " + \
                  "If this is a Keras 1 layer, please implement `compute_output_shape` to support Keras 2."
            warnings.warn(msg.format(type(self).__module__, type(self).__name__), stacklevel=2)
        return input_shape