chrome/common/extensions/docs/server2/app_engine_handler.py

   1 # Copyright 2013 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 import logging
   6
   7 from appengine_wrappers import webapp2
   8 from handler import Handler
   9 from servlet import Request
  10
  11
  12 class AppEngineHandler(webapp2.RequestHandler):
  13   '''Top-level handler for AppEngine requests. Just converts them into our
  14   internal Servlet architecture.
  15   '''
  16
  17   def get(self):
  18     profile_mode = self.request.get('profile')
  19     if profile_mode:
  20       import cProfile, pstats, StringIO
  21       pr = cProfile.Profile()
  22       pr.enable()
  23
  24     try:
  25       response = None
  26       request = Request(self.request.path,
  27                         self.request.url[:-len(self.request.path)],
  28                         self.request.headers)
  29       response = Handler(request).Get()
  30     except Exception as e:
  31       logging.exception(e)
  32     finally:
  33       if profile_mode:
  34         pr.disable()
  35         s = StringIO.StringIO()
  36         pstats.Stats(pr, stream=s).sort_stats(profile_mode).print_stats()
  37         self.response.out.write(s.getvalue())
  38         self.response.headers['Content-Type'] = 'text/plain'
  39         self.response.status = 200
  40       elif response:
  41         self.response.out.write(response.content.ToString())
  42         self.response.headers.update(response.headers)
  43         self.response.status = response.status
  44       else:
  45         self.response.out.write('Internal server error')
  46         self.response.status = 500