Below is the file 'ttproxy.py' from this revision. You can also download the file.

#!/usr/bin/python
import re
from urllib import urlencode
from urllib2 import urlopen
from string import strip, find, join, split
import cgi
import cgitb
import ttparse
from sys import exit

cgitb.enable()

form = cgi.FieldStorage()

if form.has_key("ttparse_vcal"):
	ttparse.parsevcal(form)
	exit(0)

reqfields = []

for z in form.keys():
	if find(z, 'ttparse_') == -1:
		if isinstance(form[z], list):
			for l in form[z]:
				reqfields.append((z, l.value))
		else:
			reqfields.append((z, form[z].value))

if form.has_key("ttparse_url"):
	if isinstance(form["ttparse_url"], list):
		file = form['ttparse_url'][0].value
	else:
		file = form['ttparse_url'].value
	file = strip(file, "@;\\/%$&? ")
else:
	file = "selectunits.asp"


urldata = urlencode(reqfields)
url = urlopen("http://www.timetable.uwa.edu.au/Curr/%s" % file, urldata)
lines = url.readlines()

lines = [strip(l, "\n") for l in lines]

print 'Content-type: text/html'
print

actionre = re.compile('.*FORM METHOD=POST ACTION="(?P<filename>.*)".*')
searchre = re.compile('.*http://www.uwa.edu.au/search.php3')
leavere = re.compile('.*TopOfPage.*')

inhead = 0
donehead = 0

for l in lines:
	if find(l, "<title>") != -1:
		l = "<title>iCalendar timetable extractor - %s</title>" % file

	if not donehead:
		if not inhead:
			m = searchre.match(l)
			if m:
				inhead = 1
				print '</center><p>This is an experimental iCalendar (vCal 2.0) extractor. You should be able to browse to a timetable, then click on the button to grab an iCalendar file of the timetable. These should import with most calendar programs (iCal, Evolution, Thunderbird etc) and some phones too. Please let me know if things don''t seem to be working correctly. This iCalendar extractor is by Matt Johnston &lt;matt at ucc.asn.au&gt;, proxying content from the original <a href="http://www.timetable.uwa.edu.au">www.timetable.uwa.edu.au</a> site. <a href="source/">Source code</a> is available.</p><center>'
				if find(file, "activities.asp") != -1:
					print '<form METHOD=POST ACTION="ttparse.py">'
					for x,y in reqfields:
						print '<input type=hidden name="ttparse_%s" value="%s">' % (x, y)
					print "<input type=hidden name=ttparse_url value=%s>" % file
					print '<input type=submit name=ttparse_vcal value="Get the iCalendar file"></form>'
				continue
		else:
			m = leavere.match(l)
			if m:
				inhead = 0
				donehead = 1
			else:
				continue

	m = actionre.match(l)
	if m:
		print '<form METHOD=POST ACTION="ttproxy.py"'
		l = "<input type=hidden name=ttparse_url value=%s>" % m.group("filename")

	print l