Convert the given integer to the base and symbols of the given alphabet

rebase.py

import string

ALPHABET = string.digits + string.ascii_letters

def rebase(value, width=1, alphabet=ALPHABET):
    """ Convert the given integer to the base
        and symbols of the given alphabet
    """
    n = len(alphabet)
    result = []
    while value != 0:
            c = value % n
            result.append(alphabet[c])
            value //= n
    np = width - len(result)
    if np <= 0:
        padding = []
    else:
        padding = [alphabet[0]] * np
    sresult = ''.join(padding + result)
    return sresult