Google App Engine extending requesthandler

from google.appengine.api import users

from tipfy import RequestHandler, request, response, redirect
from tipfy.ext.user import create_login_url, create_logout_url, create_signup_url, get_current_user

from tipfy.ext.blobstore import BlobstoreUploadMixin, BlobstoreDownloadMixin

class BaseRequestHandler(RequestHandler):
  def generate(self, path, template_values={}):
    from tipfy.ext.mako import render_response
    context = {
      'current_url': request.url,
      'login_url': create_login_url(request.url),
      'logout_url': create_logout_url(request.url),
      'signup_url': create_signup_url(request.url),
      'user': get_current_user()
    }
    context.update(template_values)
    return render_response(path, **context)
  def redirect(self, url, code):
    return redirect(url, code)
#  def get(self):
#    pass

#  def post(self):
#    pass

class UploadFileMixinHandler(BaseRequestHandler, BlobstoreUploadMixin):
  pass

class DownloadFileMixinHandler(BaseRequestHandler, BlobstoreDownloadMixin):
  pass