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Asked: 2026-05-25T09:31:36+00:00

I have a python class that contains many objects — some are data structures

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I have a python class that contains many objects — some are data structures (lists, dicts etc) and some are handlers to other classes (that also contain other data structures…).

Rather than using pickle to save the entire class & its contents, I was wondering if there is a way to serialize the data of several desired objects and save them (ONLY them) in a binary file?

For example, suppose that I have the following 2 python objects:

myList = [1, 2, 3, 4, 5]
myDict = {'a' : 14, 'b' : 5, 'c' : 65}

What is the best way to save the contents of BOTH of these python objects in a binary file? ideally, I’d like to save both objects in the same binary file, and be able to load the data later on.

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1 Answer

  1. Editorial Team

    Then create a container class for them (or named tuple, or just a tuple, whatever) and pickle it (or modify the original class so that only those parts that you want are pickled). pickle is serialisation, and it is the standard Python mechanism to do it. So unless you need e.g. more interoperability between different languages, stick to it.

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