Python Module-shelve module

Shelve module is also used to serialize, can persist any pickle can support the Python data format, better than Pickle, but also python-specific, can dump multiple data, can also directly modify the data

Serialization of

#-*-Coding:utf-8-*-__author__ = "MuT6 sch01ar" Import shelvef = Shelve.open (' shelve_test ') names = ["John", "Jack", "Jane "]info = {' name ': ' John ', ' age ': 22}f[' name '] = namesf[' infos '] = Infof.close ()

Three files generated

Deserialization

#-*-Coding:utf-8-*-__author__ = "MuT6 sch01ar" Import shelvef = Shelve.open (' shelve_test ') #获取数据print (list (F.keys ())) # Get Key Name Print (F.get (' name ')) #获取key的值print (f[' infos ') #获取key的值print (list (F.items ())) #获取全部数据 # Modify Data f[' name '] = [' A ', ' B ', ' C ']print (f[' name ') ' del f[' Infos '] #删除数据f. Close ()

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Python Module-shelve module