Question

python小白请教pickle.dump生成的文件格式内容。

在每一句前面都有一个特定的字符，例如dp0, S, p等等，请问这些字符都是什么意思呢？谢谢！

Answer 1

import pickletools
pickletools.dis(open('pickle.dump','rb'))

追问

好像不行哦。你能否直接告诉我这些字符的意思呢？谢谢

追答

import pickle,pickletools
def func():
return 0
x={'a':1,'b':'asdf','c':func}
with open('x.dump','wb') as f:
pickle.dump(x,f)
with open('x.dump','rb') as f:
pickletools.dis(f)
#####
output
#####
0: ( MARK
1: d DICT (MARK at 0)
2: p PUT 0
5: S STRING 'a'
10: p PUT 1
13: I INT 1
16: s SETITEM
17: S STRING 'c'
22: p PUT 2
25: c GLOBAL '__main__ func'
40: p PUT 3
43: s SETITEM
44: S STRING 'b'
49: p PUT 4
52: S STRING 'asdf'
60: p PUT 5
63: s SETITEM
64: . STOP
highest protocol among opcodes = 0

Answer 2

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