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 = ''