composition.py 文件源码

def update(self, d):
        """Like the dictionary .update() method.

        Update the data dictionary of this SerializableObject with the .data
        of d if d is a SerializableObject or if d is a dictionary, d itself.
        """

        # use the parent update function
        super(Composition, self).update(d)

        # ...except for the 'children' field, which needs to run through the
        # insert method so that _parent pointers are correctly set on children.
        self._children = []
        self.extend(d.get('children', []))
    # @}

    # @{ collections.MutableSequence implementation