The Tor Browser / file revision

 # This Source Code Form is subject to the terms of the Mozilla Public

 # License, v. 2.0. If a copy of the MPL was not distributed with this file,

 # You can obtain one at http://mozilla.org/MPL/2.0/.

 import json

 def json_response(func):

     """ Translates results of 'func' into a JSON response. """

     def wrap(*a, **kw):

         (code, data) = func(*a, **kw)

         json_data = json.dumps(data)

         return (code, { 'Content-type': 'application/json',

                         'Content-Length': len(json_data) }, json_data)

     return wrap