Modify isolate proto to have UI key

appengine/isolate/handlers_endpoints_v1.py

 # Copyright 2014 The LUCI Authors. All rights reserved.
 # Use of this source code is governed under the Apache License, Version 2.0
 # that can be found in the LICENSE file.
 
 """This module defines Isolate Server frontend url handlers."""
 
 import binascii
 import datetime
 import hashlib
 import logging
@@ skipping 300 matching lines @@
     stats.add_entry(
         stats.RETURN,
         stored.compressed_size - offset,
         'GS; %s' % stored.key.id())
     return RetrievedContent(url=self.gs_url_signer.get_download_url(
         filename=key.id(),
         expiration=DEFAULT_LINK_EXPIRATION))
 
   # TODO(kjlubick): Rework these APIs, the http_method part seems to break
   # API explorer.
-  @auth.endpoints_method(message_types.VoidMessage, ServerDetails,
+  @auth.endpoints_method(
+    message_types.VoidMessage, ServerDetails,
     http_method='GET')
   @auth.require(acl.isolate_readable)
   def server_details(self, _request):
     return ServerDetails(server_version=utils.get_app_version())
 
   ### Utility
 
   @staticmethod
   def storage_helper(request, uploaded_to_gs):
     """Implement shared logic between store_inline and finalize_gs.
@@ skipping 212 matching lines @@
       url = '/internal/taskqueue/tag/%s/%s' % (
           collection.namespace.namespace,
           utils.datetime_to_timestamp(utils.utcnow()))
       payload = ''.join(
           binascii.unhexlify(digest.digest) for digest in collection.items)
       return utils.enqueue_task(url, 'tag', payload=payload)
 
 
 def get_routes():
   return endpoints_webapp2.api_routes(IsolateService)