def get_by_type(self, _type):
        """
        Return all of the instances of :class:`ComponentType` ``_type``.
        """
        r = {}
        for k, v in self.items():
            if get_component_type(k) is _type:
                r[k] = v
        return r
def get_by_type ( self , _type ) : r = { } for k , v in self . items ( ) : if get_component_type ( k ) is _type : r [ k ] = v return r
Return all of the instances of :class:`ComponentType` ``_type``.