Imagen a texto PIL+python

#!/usr/bin/python
# -*- coding: UTF-8 -*-
#
#      PyImg2Text.py
#
#      Copyright 2009 Jorge J. Lopez C. <lowlifebob[arroba]gmail.com>
#
#      This program is free software; you can redistribute it and/or modify
#      it under the terms of the GNU General Public License as published by
#      the Free Software Foundation; either version 2 of the License, or
#      (at your option) any later version.
#
#      This program is distributed in the hope that it will be useful,
#      but WITHOUT ANY WARRANTY; without even the implied warranty of
#      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#      GNU General Public License for more details.
#
#      You should have received a copy of the GNU General Public License
#      along with this program; if not, write to the Free Software
#      Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
#      MA 02110-1301, USA.

# Import library
import Image

__program__ = "PyImg2Text"
__author__ = "Jorge J. López C."
__version__ = "0.1"

im = Image.open("1.jpg")
x, y = im.size

def procImgRGB(im):
   im_pxls = tuple(im.getdata())

   resp = []
   for i in range(len(im_pxls)):
      r = im_pxls[i][0]
      g = im_pxls[i][1]
      b = im_pxls[i][2]   
      if ((r + g + b) / 3) < 50:
         resp.append(1)
      else:
         resp.append(0)
   return resp

matrix = procImgRGB(im)

def make_list(flist, long):
    i = j = 0
    list_ = []
    while j < flist.__len__():
        j += long
        list_.append(flist[i:j])
        i = j
    return list_


matrixImg = make_list(matrix, x)
for i in matrixImg:
   print str(i).replace(", ", "")