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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, fontScheme = 'pmw1')
root.title(title)
exitButton = Tkinter.Button(root, text = 'Exit', command = root.destroy)
exitButton.pack(side = 'bottom')
widget = Demo(root)
root.mainloop()
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