Script to correct the timezone of an ical feed via Google App Engine

ical-tzcorrect.py

from google.appengine.ext import webapp
from google.appengine.ext.webapp import util
from google.appengine.api import urlfetch


class MainHandler(webapp.RequestHandler):
    def get(self):
  	url = ""
		result = urlfetch.fetch(url)
		if result.status_code == 200:
			out = result.content.replace("DTSTART","DTSTART;TZID=Europe/Copenhagen")
			out = out.replace("DTEND","DTEND;TZID=Europe/Copenhagen")
			out = out.replace("DTSTART;TZID=Europe/Copenhagen","DTSTART",2)
			self.response.out.write(out)


def main():
    application = webapp.WSGIApplication([('/', MainHandler)],
                                         debug=True)
    util.run_wsgi_app(application)


if __name__ == '__main__':
    main()