regenerated protos

src/recommendationservice/demo_pb2_grpc.py

@@ -283,8 +283,8 @@ class CurrencyServiceStub(object):
         )
     self.Convert = channel.unary_unary(
         '/hipstershop.CurrencyService/Convert',
-        request_serializer=demo__pb2.ConversionRequest.SerializeToString,
-        response_deserializer=demo__pb2.ConversionResponse.FromString,
+        request_serializer=demo__pb2.CurrencyConversionRequest.SerializeToString,
+        response_deserializer=demo__pb2.Money.FromString,
         )
 
 
@@ -317,8 +317,8 @@ def add_CurrencyServiceServicer_to_server(servicer, server):
       ),
       'Convert': grpc.unary_unary_rpc_method_handler(
           servicer.Convert,
-          request_deserializer=demo__pb2.ConversionRequest.FromString,
-          response_serializer=demo__pb2.ConversionResponse.SerializeToString,
+          request_deserializer=demo__pb2.CurrencyConversionRequest.FromString,
+          response_serializer=demo__pb2.Money.SerializeToString,
       ),
   }
   generic_handler = grpc.method_handlers_generic_handler(

src/recommendationservice/recommendation_server.py

@@ -9,16 +9,19 @@ import os
 class RecommendationService(demo_pb2_grpc.RecommendationServiceServicer):
     def ListRecommendations(self, request, context):
         max_responses = 5
-        print("handling request")
 
-        # get list of products
+        # fetch list of products from product catalog stub
         cat_response = stub.ListProducts(demo_pb2.Empty())
         num_prodcuts = len(cat_response.products)
+        num_return = min(max_responses, num_prodcuts)
 
-        indices = random.sample(range(num_prodcuts), min(max_responses, num_prodcuts))
-        prod_list = [str(cat_response.products[i].id) for i in indices]
-        print(indices, prod_list)
+        # sample list of indicies to return
+        indices = random.sample(range(num_prodcuts), num_return)
+        # fetch product ids from indices
+        prod_list = [cat_response.products[i].id for i in indices]
+        print("handling request: {}".format(prod_list))
 
+        # build and return response
         response = demo_pb2.ListRecommendationsResponse()
         response.product_ids.extend(prod_list)
         return response