38 lines
893 B
Python
38 lines
893 B
Python
# Object Serialization in Python
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# serialization in python is accomplished via the Pickle module.
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# Alternatively, one can use the cPickle module if speed is the key,
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# everything else in this example remains the same.
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import pickle
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class Entity:
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def __init__(self):
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self.name = "Entity"
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def printName(self):
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print self.name
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class Person(Entity): #OldMan inherits from Entity
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def __init__(self): #override constructor
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self.name = "Cletus"
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instance1 = Person()
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instance1.printName()
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instance2 = Entity()
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instance2.printName()
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target = file("objects.dat", "w") # open file
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# Serialize
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pickle.dump((instance1, instance2), target) # serialize `instance1` and `instance2`to `target`
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target.close() # flush file stream
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print "Serialized..."
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# Unserialize
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target = file("objects.dat") # load again
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i1, i2 = pickle.load(target)
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print "Unserialized..."
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i1.printName()
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i2.printName()
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