pickle的简单例子

    写了一个pickle模块的最简单的例子，备份着，免得总忘。

#! /usr/bin/env python
# -*- coding: utf-8 -*-
"""
@author: wul
@contact: [email protected]
@date: Jul 13, 2010 1:45:59 PM
@version: 0.0.0
@license: Copyright alibaba-inc.com
@copyright: Copyright alibaba-inc.com
 """

import pickle

class Person(object):
    def __init__(self, _name):
        self.name = _name

if __name__ == "__main__":
    me = Person("wuliang")
    
    data = {"a":[1, 2, 3], 
            "b":(u"吴亮", "Wu Liang"), 
            "c":me}

    # 写入data.pkl文件
    output = open("data.pkl", "wb")
    pickle.dump(data, output)    
    output.close()
    
    # 从data.pkl文件中将对象读出
    output = open("data.pkl", "rb")
    new_data = pickle.load(output)
    print new_data["a"]
    print new_data["b"][0]
    print new_data["c"].name
    output.close()