def getclasses():

 cli = []

 for fn in G_prognames:

  st = open(G_homedir+fn,"r").read()

  st = st.split("\n")

  while st:
   xx = st.pop(0)
   if xx.lstrip()[0:9] == "G_classes" and xx.rstrip()[-3:] == '"""':
    while st:
     xx = st.pop(0)
     if xx.lstrip()[0:3] == '"""':
      break
     else:
      xx = xx.lstrip().rstrip()
      if xx and xx[0] != "#":
       cli.append(xx.lstrip().rstrip())

 cli = removenullsfromlist(list(set(cli)))

 cli = list(set(list(cli)))

 return cli

#~ {'y_displ': 0, 'x_displ': 0, 'rect': (255, 136, 981, 595), 'y': 4, 'x': 0, 'dir': 0}