Pmw error handling: an error in a callback called from an event binding.
#Pmw copyright
#Copyright 1997-1999 Telstra Corporation Limited, Australia
#Copyright 2000-2002 Really Good Software Pty Ltd, Australia
#Permission is hereby granted, free of charge, to any person obtaining a copy
#of this software and associated documentation files (the "Software"), to deal
#in the Software without restriction, including without limitation the rights
#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#copies of the Software, and to permit persons to whom the Software is furnished
#to do so, subject to the following conditions:
#The above copyright notice and this permission notice shall be included in all
#copies or substantial portions of the Software.
#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
#INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
#PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
#HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
#OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
#SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
title = 'Pmw error handling demonstration'
# Import Pmw from this directory tree.
import sys
sys.path[:0] = ['../../..']
import string
import Tkinter
import Pmw
class Demo:
def __init__(self, parent):
# Create two buttons to generate errors.
w = Tkinter.Button(parent, text = 'Click here to generate\n' +
'an error in a command callback.', command = self.execute)
w.pack(padx = 8, pady = 8)
w = Tkinter.Button(parent, text = 'Click here to generate\n' +
'an error in a callback called\nfrom an event binding.')
w.pack(padx = 8, pady = 8)
w.bind('<ButtonRelease-1>', self.execute)
w.bind('<Key-space>', self.execute)
def execute(self, event = None):
self._error()
def _error(self):
# Divide by zero
1/0
######################################################################
# Create demo in root window for testing.
if __name__ == '__main__':
root = Tkinter.Tk()
Pmw.initialise(root)
root.title(title)
exitButton = Tkinter.Button(root, text = 'Exit', command = root.destroy)
exitButton.pack(side = 'bottom')
widget = Demo(root)
root.mainloop()
Related examples in the same category