from django.http import HttpResponse, Http404
from django.template import loader, TemplateDoesNotExist


# Fallback handler for URLs not matching anything else. Fall them
# back to a static template. If that one is not found, send a 404
# error.
def static_fallback(request, url):
    # Disallow all URLs that back-step
    if url.find('..') > -1:
        raise Http404('Page not found')

    try:
        t = loader.get_template('pages/%s.html' % url)
        return HttpResponse(t.render())
    except TemplateDoesNotExist:
        raise Http404('Page not found')