#NEWLINE# def drawEdge( self , fromDrawNode , toDrawNode ) : #NEWLINE# #INDENT# '\n        Returns a drawEdge that links a given draw node to another given draw\n        node.\n        ' #NEWLINE# for item in self . items ( ) : #NEWLINE# #INDENT# if ( type ( item ) . __name__ != 'DrawEdge' ) : #NEWLINE# #INDENT# continue #NEWLINE# #UNINDENT# if ( ( item . source == fromDrawNode ) and ( item . dest == item ) ) : #NEWLINE# #INDENT# return item #NEWLINE# #UNINDENT# #UNINDENT# return None