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mgd020/pretty_id.py

Created March 1, 2018 11:32
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pretty_id.py
# Turn an integer into a nice base64 encoded string
# E.g. 4095 -> D_8
# requires python 3
import base64
def encode(n):
return base64.urlsafe_b64encode(n.to_bytes((n.bit_length() + 7) // 8, 'big')).rstrip(b'==')
def decode(n):
return int.from_bytes(base64.urlsafe_b64decode(n + ('=' * ((4 - len(n)) % 4))), 'big')
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