cpython/Demo/tkinter/www/www8.py

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#! /usr/bin/env python
1995-01-10 17:05:37 +00:00
# www8.py -- display the contents of a URL in a Text widget
# - set window title
# - make window resizable
# - update display while reading
# - vertical scroll bar
import sys
import urllib
from Tkinter import *
def main():
if len(sys.argv) != 2 or sys.argv[1][:1] == '-':
print "Usage:", sys.argv[0], "url"
sys.exit(2)
url = sys.argv[1]
fp = urllib.urlopen(url)
# Create root window
root = Tk()
root.title(url)
root.minsize(1, 1)
# The Scrollbar *must* be created first -- this is magic for me :-(
vbar = Scrollbar(root)
vbar.pack({'fill': 'y', 'side': 'right'})
text = Text(root, {'yscrollcommand': (vbar, 'set')})
text.pack({'expand': 1, 'fill': 'both', 'side': 'left'})
# Link Text widget and Scrollbar -- this is magic for you :-)
##text['yscrollcommand'] = (vbar, 'set')
vbar['command'] = (text, 'yview')
while 1:
line = fp.readline()
if not line: break
text.insert('end', line)
root.update_idletasks()
root.mainloop()
main()