django1/django/contrib/localflavor/uy/util.py

13 lines
313 B
Python

# -*- coding: utf-8 -*-
def get_validation_digit(number):
""" Calculates the validation digit for the given number. """
sum = 0
dvs = [4, 3, 6, 7, 8, 9, 2]
number = str(number)
for i in range(0, len(number)):
sum = (int(number[-1 - i]) * dvs[i] + sum) % 10
return (10-sum) % 10