from django http import HttpResponseRedirect class UserDomain object d

from django.http import HttpResponseRedirect

class UserDomain(object):
    def process_request(self, request):
        head, neck, tail = request.META['HTTP_HOST'].split('.', 2)

        if neck == 'at':
            if request.path.startswith('/~/'):
                if not request.user.is_authenticated():
                    return HttpResponseRedirect('http://at.mymcomm.net/accounts/login/')
                return HttpResponseRedirect( "http://%s.at.mymcomm.net/%s" % (request.user.username,
                                                                              request.path.replace('/~/', '', 1)))
            elif request.path.startswith('/~'):
                user, path = request.path.replace('/~', '', 1).split('/', 1)
                return HttpResponseRedirect("http://%s.at.mymcomm.net/%s" % (user, path))

            else:
                request.path = "/~%s%s" % (head, request.path)

        elif head == 'at' and request.path.startswith('/~'):
            user, path = request.path.replace('/~', '', 1).split('/', 1)

            if user:
                return HttpResponseRedirect("http://%s.at.mymcomm.net/%s" % (user, path))
            elif request.user.is_authenticated():
                return HttpResponseRedirect("http://%s.at.mymcomm.net/%s" % (request.user.username, path))
            else:
                return HttpResponseRedirect('http://at.mymcomm.net/accounts/login/')