[issue13503] improved efficiency of bytearray pickling by using bytes type instead of str

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

How about base64?

                self.save_reduce(base64.b64decode,
                                 (str(base64.b64encode(obj), 'ascii'),), obj=obj)

>>> len(dumps(bytes([200] * 10000), 2))
13372

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nosy: +serhiy.storchaka

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<http://bugs.python.org/issue13503>
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