How to convert a string of bytes into an int?

by

In Python 3.2 and later, use

>>> int.from_bytes(b'y\xcc\xa6\xbb', byteorder="big")
2043455163

or

>>> int.from_bytes(b'y\xcc\xa6\xbb', byteorder="little")
3148270713

according to the endianness of your byte-string.

This also works for bytestring-integers of arbitrary length, and for two’s-complement signed integers by specifying signed=True. See the docs for from_bytes.

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