Syntax

• pickle.dump(object,file,protocol) : serialize an object
• pickle.load(file) : de-serialize an object
• pickle.dumps(object, protocol) : serialize an object to bytes
• pickle.loads(buffer) : de-serialize an object from bytes

Parameters

• object : the object which is to be stored |
• file : the open file which will contain the object
• protocol : the protocol used for pickling the object (optional parameter)
• buffer : a bytes object that contains a serialized object|

Pickleable types

The following objects are picklable.

• None, True, and False
• numbers (of all types)
• strings (of all types)
• tuples, lists, sets, and dicts containing only picklable objects
• functions defined at the top level of a module
• built-in functions
• classes that are defined at the top level of a module
• instances of such classes whose __dict__ or the result of calling __getstate__() is picklable (see the official docs for details).