#!/usr/bin/python

import sys
if len(sys.argv) > 2:
    module, metaklass = sys.argv[1:3]
    m= __import__(module, globals(), locals(), [metaklass])
    __metaclass__ = getattr(m, metaklass)

class Data:
    def __init__(self):
        self.num = 38
        self.lst = ['a', 'b', 'c']
        self.str = 'spam'
    def dumps(self):
        return `self`
    def __str__(self):
        return self.dumps()

if __name__ == '__main__':
    data = Data()
    print data