Python PhinphoBase

phinpho_base.py

class PhinphoBase(object):
    class PhinphoBaseNumber(object):
        decimal = None
        base = None
        value = None

        str_field = 'value'

        def __init__(self, decimal, base, value=None):
            self.decimal = decimal
            self.base = base
            self.value = value

        def __unicode__(self):
            return self.__str__();

        def __str__(self):
            if self.str_field == 'value':
                return str(self.value)
            else:
                return str(self.decimal)

    BASE = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
    def __init__(self):
        pass

    def encode(self, n, base=None):
        if base is None:
            base = len(self.BASE)

        def __convert(num, base):
            if num < base:
                return "%c" % str(self.BASE[num])
            i = num/base
            j = num%base

            if i >= base:
                return "%c%s" % (self.BASE[j], __convert(i, base))
            else:
                return "%c%c" % (self.BASE[j], self.BASE[i])

        return self.PhinphoBaseNumber(n, base, __convert(n, base))

    def decode(self, n, base=None):
        if base is None:
            base = len(self.BASE)

        i = 0
        num = 0
        for j in n:
            num += self.BASE.index(j) * base**i
            i = i + 1

        a = self.PhinphoBaseNumber(num, base, n)
        a.str_field = 'decimal'
        return a
        
if __name__ == '__main__':
    a = PhinphoBase()
    print a.encode(255,16)
    print a.decode('phinpho')