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Published on 2010-04-25T20:16:24Z
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I want my class to implement Save and Load functions which simply do a pickle of the class. But apparently you cannot use 'self' in the fashion below. How can you do this?
self = cPickle.load(f)
cPickle.dump(self,f,2)
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I need to pickle a complex object that refers to django model objects. The standard pickling process stores a denormalized object in the pickle. So if the object changes on the database between pickling and unpickling, the model is now out of date. (I know this is true with in-memory objects too…
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I want my class to implement Save and Load functions which simply do a pickle of the class. But apparently you cannot use 'self' in the fashion below. How can you do this?
self = cPickle.load(f)
cPickle.dump(self,f,2)
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Looking for advice on the best technique for saving complex Python data structures across program sessions.
Here's a list of techniques I've come up with so far:
pickle/cpickle
json
jsonpickle
xml
database (like SQLite)
Pickle is the easiest and fastest technique, but my understanding is that…
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