python 3: remove minor appengine.api.app_identity and memcache usages

old_apps/app.py

@@ -2,7 +2,6 @@
 """
 import urlparse
 
-from google.appengine.api import app_identity
 import webapp2
 
 
@@ -13,7 +12,7 @@ def get(self):
     parts[1] = 'granary-demo.appspot.com'
 
     if parts[2].startswith('/@me/'):
-      site = app_identity.get_application_id().split('-')[0]
+      site = os.getenv('GAE_APPLICATION').split('-')[0]
       parts[2] = site + parts[2]
 
     return self.redirect(urlparse.urlunparse(parts), permanent=True)

test_api.py

@@ -17,7 +17,6 @@
 import oauth_dropins.webutil.tests
 import appengine_config
 
-from google.appengine.api import memcache
 from oauth_dropins.webutil import testutil_appengine
 from oauth_dropins.webutil.util import json_dumps, json_loads
 
@@ -203,19 +202,18 @@ def test_as2_format(self):
   def test_atom_format(self):
     for test_module in test_facebook, test_instagram, test_twitter:
       self.reset()
-      memcache.flush_all()
       self.mox.StubOutWithMock(FakeSource, 'get_actor')
       FakeSource.get_actor(None).AndReturn(test_module.ACTOR)
       self.activities = [copy.deepcopy(test_module.ACTIVITY)]
 
       # include access_token param to check that it gets stripped
-      resp = self.get_response('/fake?format=atom&access_token=foo&a=b')
+      resp = self.get_response('/fake?format=atom&access_token=foo&a=b&cache=false')
       self.assertEquals(200, resp.status_int)
       self.assertEquals('application/atom+xml; charset=utf-8',
                         resp.headers['Content-Type'])
       self.assert_multiline_equals(
         test_module.ATOM % {
-          'request_url': 'http://localhost/fake?format=atom&access_token=foo&a=b',
+          'request_url': 'http://localhost/fake?format=atom&access_token=foo&a=b&cache=false',
           'host_url': 'http://fa.ke/',
           'base_url': 'http://fa.ke/',
         },