def group_person():
 s3.prep = (lambda r: ((r.representation == 's3json') and (r.method == 'options')))
 return s3_rest_controller()

def group_person ( ) : s3 . prep = ( lambda r : ( ( r . representation == 's3json' ) and ( r . method == 'options' ) ) ) return s3_rest_controller ( )
rest controller for options .