python的对象持久化

import pickle

# 能够直接持久化python对象
def persistence(filePath, obj):
    f = open(filePath, "wb")
    pickle.dump(obj, f)
    
# 能够直接读取成python对象
def loadPersistence(filePath):
    f = open(filePath, "rb")
    obj = pickle.load(f)
    return obj