How to install cPickle in Python 3

In Python 3, you will fetch an error when importing the cPickle module. This brief post will show you a simple method of resolving such as error.

How to install cPickle in Python 3

The pickle module implements binary protocols for serializing and de-serializing a Python object structure. “Pickling” is the process whereby a Python object hierarchy is converted into a byte stream, and “unpickling” is the inverse operation, whereby a byte stream (from a binary file or bytes-like object is converted back into an object hierarchy.

The pickle module implements an algorithm for turning an arbitrary Python object into a series of bytes.

The cPickle module implements the same algorithm, in C instead of Python. It is many times faster than the Python implementation, but does not allow the user to subclass from Pickle.

Importing cPickle Module in Python 3

The cPickle module is included in the Standard Library of Python version 2. Hence, if you are in Python 3, you need to import the cPickle module as:

>>> import _pickle as cPickle

It is recommended to just use the pickle module that comes in the Standard Library of both Python 2 and Python 3.

You can also add error handling if you wish to support both Python versions as:

  import cPickle as pickle
  import pickle


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