def create_recommendation_manager():
root_ctx = default_context()
pf = ProfileFetcher(root_ctx)
pf.set_client(ProfileController(root_ctx, "us-west-2", "taar_addon_data_20180206"))
root_ctx["profile_fetcher"] = pf
r_factory = recommenders.RecommenderFactory(root_ctx.child())
root_ctx["recommender_factory"] = r_factory
rm = recommenders.RecommendationManager(root_ctx.child())
return rm
def create_recommendation_manager():
root_ctx = default_context()
client = ProfileController('us-west-2', 'taar_addon_data_20180206')
pf = ProfileFetcher(client)
root_ctx['profile_fetcher'] = pf
r_factory = recommenders.RecommenderFactory(root_ctx.child())
root_ctx['recommender_factory'] = r_factory
rm = recommenders.RecommendationManager(root_ctx.child())
return rm
def check_proxy_manager(PROXY_MANAGER):
if PROXY_MANAGER.getResource() is None:
ctx = default_context()
profile_fetcher = ProfileFetcher(ctx)
ctx["profile_fetcher"] = profile_fetcher
# Lock the context down after we've got basic bits installed
root_ctx = ctx.child()
r_factory = recommenders.RecommenderFactory(root_ctx)
root_ctx["recommender_factory"] = r_factory
instance = recommenders.RecommendationManager(root_ctx.child())
PROXY_MANAGER.setResource(instance)
return PROXY_MANAGER.getResource()
def recommendations(uuid_client_id):
"""Return a list of recommendations provided a telemetry client_id."""
# Use the module global PROXY_MANAGER
global PROXY_MANAGER
# Coerce the uuid.UUID type into a string
client_id = str(uuid_client_id)
branch = request.args.get('branch', '')
extra_data = {'branch': branch}
locale = request.args.get('locale', None)
if locale is not None:
extra_data['locale'] = locale
platform = request.args.get('platform', None)
if platform is not None:
extra_data['platform'] = platform
if PROXY_MANAGER.getResource() is None:
ctx = default_context()
profile_fetcher = ProfileFetcher(ctx)
ctx['profile_fetcher'] = profile_fetcher
# Lock the context down after we've got basic bits installed
root_ctx = ctx.child()
r_factory = recommenders.RecommenderFactory(root_ctx)
root_ctx['recommender_factory'] = r_factory
instance = recommenders.RecommendationManager(root_ctx.child())
PROXY_MANAGER.setResource(instance)
instance = PROXY_MANAGER.getResource()
recommendations = instance.recommend(client_id=client_id,
limit=TAAR_MAX_RESULTS,
extra_data=extra_data)
# Strip out weights from TAAR results to maintain compatibility
# with TAAR 1.0
jdata = {"results": [x[0] for x in recommendations]}
response = app.response_class(response=json.dumps(jdata),
status=200,
mimetype='application/json')
return response
def recommendations(request, client_id):
"""Return a list of recommendations provided a telemetry client_id."""
recommendation_manager = cache.get("recommendation_manager")
extra_data = {}
locale = request.GET.get('locale', None)
if locale is not None:
extra_data['locale'] = locale
platform = request.GET.get('platform', None)
if platform is not None:
extra_data['platform'] = platform
if recommendation_manager is None:
hbase_client = HBaseClient(settings.HBASE_HOST)
profile_fetcher = ProfileFetcher(hbase_client)
recommendation_manager = recommenders.RecommendationManager(
profile_fetcher)
cache.set("recommendation_manager", recommendation_manager,
CACHE_EXPIRATION)
recommendations = recommendation_manager.recommend(
client_id, settings.TAAR_MAX_RESULTS, extra_data)
return JsonResponse({"results": recommendations})