Python——pickle

Python pickle

关于pickle模块

  • Python的一个序列化与反序列化模块,支持Python基本数据类型
  • 可以处理自定义的类对象,方法等

内存中使用

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import pickle

origin = [1, 2, 3, [4, 5, 6]]
print "origin: %s" % origin
temp = pickle.dumps(origin)
print "temp: %s" % temp
new = pickle.loads(temp)
print "new: %s" % new

## output:
# origin: [1, 2, 3, [4, 5, 6]]
# temp: (lp0
# I1
# aI2
# aI3
# a(lp1
# I4
# aI5
# aI6
# aa.
# new: [1, 2, 3, [4, 5, 6]]

硬盘中使用

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import pickle

origin = [1, 2, 3, [4, 5, 6]]
print "origin: %s" % origin
# open a binary and write the result
pickle.dump(origin, open('temp', 'wb'))
# open a binary and read the original object
new = pickle.load(open('temp', 'rb'))
print "new: %s" % new

## output
# origin: [1, 2, 3, [4, 5, 6]]
# new: [1, 2, 3, [4, 5, 6]]