#NEWLINE# @ property #NEWLINE# def edges( self ) : #NEWLINE# #INDENT# if hasattr ( line_edges , '_edges' ) : #NEWLINE# #INDENT# return self . _edges #NEWLINE# #UNINDENT# line_edges = list ( map ( line_to_edge , self . lines ) ) #NEWLINE# self . _edges = ( self . rect_edges + line_edges ) #NEWLINE# return self . _edges