Python changed its pickle protocol to 4 in python 3.4 to 3.7 and again changed it to protocol=5 in python 3.8. How do I open older pickled files ... ... <看更多>

from org.python.core import PyStringMap. except ImportError: PyStringMap = None. # Pickle opcodes. See pickletools.py for extensive docs. The listing. ... <看更多>

import pickle class Example(object): def __init__(self, ... Python 中，绝大多数对象都可以直接用 pickle 完成序列化，包括自定义的类，具体的规则如下：. ... <看更多>