Demo/tkinter/guido/wish.py

   1 # This is about all it requires to write a wish shell in Python!
   2
   3 import tkinter
   4
   5 tk = tkinter.create(':0', 'wish', 'Tk', 1)
   6 tk.call('update')
   7
   8 cmd = ''
   9
  10 while 1:
  11         if cmd: prompt = ''
  12         else: prompt = '% '
  13         try:
  14                 line = raw_input(prompt)
  15         except EOFError:
  16                 break
  17         cmd = cmd + (line + '\n')
  18         if tk.getboolean(tk.call('info', 'complete', cmd)):
  19                 tk.record(line)
  20                 try:
  21                         result = tk.call('eval', cmd)
  22                 except tkinter.TclError, msg:
  23                         print 'TclError:', msg
  24                 else:
  25                         if result: print result
  26                 cmd = ''