Demo/tkinter/guido/wish.py

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