(self, edge)
return self.get_edge_properties( edge ).setdefault( self.LABEL_ATTRIBUTE_NAME, self.DEFAULT_LABEL )
Get the label of an edge.

        @type  edge: edge
        @param edge: One edge.
        
        @rtype:  string
        @return: Edge label
Get the label of an edge.
Get the label of an edge .
def edge_label(self, edge):
        """
        Get the label of an edge.

        @type  edge: edge
        @param edge: One edge.
        
        @rtype:  string
        @return: Edge label
        """
        return self.get_edge_properties( edge ).setdefault( self.LABEL_ATTRIBUTE_NAME, self.DEFAULT_LABEL )
def edge_label ( self , edge ) : return self . get_edge_properties ( edge ) . setdefault ( self . LABEL_ATTRIBUTE_NAME , self . DEFAULT_LABEL )