#NEWLINE# def __repr__( self ) : #NEWLINE# #INDENT# cls = self . __class__ #NEWLINE# return '<{module}.{cls} {fields}>' . format ( module = cls . __module__ , cls = cls . __name__ , fields = ' ' . join ( ( '{0}:{1}' . format ( f , repr ( getattr ( self , f ) ) ) for f in sorted_field_names ( self ) if ( getattr ( self , f ) is not None ) ) ) )