7 Segment character value generator

7seg.py

#The order segments are connected to the shift register (D = dot)
input = ['a','b','c','d','e','f','g','D']

reverse = True #Depends on direction of outputs/shifting
negate  = True #Common Cathode = False Common Anode = True 

characters = [("abcdef", '0/O'),
              ("bc",     '1/I'),
              ("abdeg",  '2'),
              ("abcdg",  '3'),
              ("bcfg",   '4'),
              ("acdfg",  '5/s'),
              ("acdefg", '6'),
              ("abc",    '7'),
              ("abcdefg",'8/B'),
              ("abcfg",  '9/g'),
              ("abcefg", 'A'),
              ("cdefg",  'b'),
              ("deg",    'c'),
              ("adef",   'C'),
              ("bcdeg",  'd'),
              ("adefg",  'E'),
              ("aefg",   'F'),
              ("acdef",  'G'),
              ("bcefg",  'H'),
              ("bcd",    'J'),
              ("def",    'L'),
              ("ceg",    'n'),
              ("cdeg",   'o'),
              ("abefg",  'P'),
              ("abcfg",  'q'),
              ("eg",     'r'),
              ("defg",   't'),
              ("cde",    'u'),
              ("bcdef",  'U'),
              ("bcdfg",  'y'),
              ("D",      '.')]

for character in characters:
    output = 0
    for segment in character[0]: 
        if reverse:
            output |= (1<<input.index(segment))
        else:
            output |= (128>>input.index(segment))
    output = ~output & 0xFF
    print "Character: " + character[1]
    print "Hex: " + "0x{0:02X}".format(output)
    print "Binary: "+"{0:08b}".format(output)
    print ""