#!/usr/bin/python


import re


def hex_to_bytes(h):
    return ''.join(chr(int(h[i:i+2], 16)) for i in xrange(0,len(h),2))


def tv_parse(line):
    line = line.strip()
    g = re.match(r'TV\((.*?), ?(.*?)\)', line)
    if not g:
        raise ValueError, "PAS BIEN"
    pck = hex_to_bytes(g.group(1))
    pec = hex_to_bytes(g.group(2))
    return pck, pec


def load_singles(s):
    x = {}
    for line in s.split('\n'):
        line = line.strip()
        if not line:
            continue
        pck, pec = tv_parse(line)
        if len(pck) != 1:
            continue
        pck = ord(pck)
        pec = ord(pec)
        if pck in x:
            raise ValueError, "pck %02x already seen" % pck
        x[pck] = pec
    return x