import os
import Image

def tpil():
    fg = (255,255,255)
    bg = (229,229,229)
    tc = (254,255,255)
    im = Image.new('RGB',(1,3),tc)
    im.putpixel((0,0),fg)
    im.putpixel((0,1),bg)
    im.putpixel((0,2),tc)
    im.save('tpil.gif')
    imo = im.convert('P',dither=Image.NONE,palette=Image.ADAPTIVE,colors=3)
    palette = imo.getpalette()
    print palette
    transparency = None
    for i in xrange(0,3*3,3):
        if tuple(palette[i:i+3])==tc:
            transparency = i / 3
            break
    imo.save('tpil-palette.gif',transparency=transparency)

if __name__=='__main__':
    tpil()