convert

convert.py

def conv(number, from_digits, to_digits):
    if len(to_digits) == 1:
        return to_digits * number

    x = 0
    len_from_digits = len(from_digits)
    for digit in str(number):
        x = x * len_from_digits + from_digits.index(digit)

    if x == 0:
        res = to_digits[0]
    else:
        len_to_digits = len(to_digits)
        res = ''
        while x > 0:
            digit = x % len_to_digits
            res = to_digits[digit] + res
            x = int(x // len_to_digits)
    return res


def int_to_basex(number, char_set):
    return conv(number, '0123456789', char_set)


def basex_to_int(number, char_set):
    return conv(number, char_set, '0123456789')

char_set = 'MARCELOfonsecaT@mB4lo'

print int_to_basex(666, char_set)
print basex_to_int('AE', char_set)
print int_to_basex(666, '|')