prtsc-ctl-f.py

#!/usr/bin/python

import pytesser
import gtk.gdk
import os

# take a screenshot
def screenshot():
   w = gtk.gdk.get_default_root_window()
   sz = w.get_size()
   pb = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8, sz[0], sz[1])
   pb = pb.get_from_drawable(w,w.get_colormap(), 0, 0, 0, 0, sz[0], sz[1])
   if (pb != None):
      pb.save("screenshot.png","png")
   else:
      print "Unable to get the screenshot."


if __name__ == "__main__":
   screenshot()
   print "working..."
   txt = pytesser.image_to_string("screenshot.png")
   os.remove("screenshot.png")
   print txt