Syntax

• unpickled_string = pickle.loads(string)
• unpickled_string = pickle.load(file_object)
• pickled_string = pickle.dumps([(’’, ‘cmplx’), {(‘object’,): None}], pickle.HIGHEST_PROTOCOL)
• pickle.dump((’’, ‘cmplx’), {(‘object’,): None}], file_object, pickle.HIGHEST_PROTOCOL)
• unjsoned_string = json.loads(string)
• unjsoned_string = json.load(file_object)
• jsoned_string = json.dumps((‘a’, ‘b’, ‘c’, [1, 2, 3]))
• json.dump((‘a’, ‘b’, ‘c’, [1, 2, 3]), file_object)

Parameters

Parameter | Details | –––– | —— |protocol | Using pickle or cPickle, it is the method that objects are being Serialized/Unserialized. You probably want to use pickle.HIGHEST_PROTOCOL here, which means the newest method. |

Remarks

Why using JSON?

• Cross language support
• Human readable
• Unlike pickle, it doesn’t have the danger of running arbitrary code

Why not using JSON?

• Doesn’t support Pythonic data types
• Keys in dictionaries must not be other than string data types.

Why Pickle?