cpython/Demo/tkinter/guido/wish.py
Guido van Rossum b940e113bf SF patch 1631942 by Collin Winter:
(a) "except E, V" -> "except E as V"
(b) V is now limited to a simple name (local variable)
(c) V is now deleted at the end of the except block
2007-01-10 16:19:56 +00:00

30 lines
699 B
Python
Executable file

# This is about all it requires to write a wish shell in Python!
import _tkinter
import os
import sys
tk = _tkinter.create(os.environ['DISPLAY'], 'wish', 'Tk', 1)
tk.call('update')
cmd = ''
while 1:
if cmd: prompt = ''
else: prompt = '% '
try:
sys.stdout.write(prompt)
sys.stdout.flush()
line = sys.stdin.readline()
except EOFError:
break
cmd = cmd + (line + '\n')
if tk.getboolean(tk.call('info', 'complete', cmd)):
tk.record(line)
try:
result = tk.call('eval', cmd)
except _tkinter.TclError as msg:
print 'TclError:', msg
else:
if result: print result
cmd = ''