1 # Copyright 2015 gRPC authors. 2 # 3 # Licensed under the Apache License, Version 2.0 (the "License"); 4 # you may not use this file except in compliance with the License. 5 # You may obtain a copy of the License at 6 # 7 # http://www.apache.org/licenses/LICENSE-2.0 8 # 9 # Unless required by applicable law or agreed to in writing, software 10 # distributed under the License is distributed on an "AS IS" BASIS, 11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 # See the License for the specific language governing permissions and 13 # limitations under the License. 14 """Common resources used in the gRPC route guide example.""" 15 16 import json 17 18 import route_guide_pb2 19 20 21 def read_route_guide_database(): 22 """Reads the route guide database. 23 24 Returns: 25 The full contents of the route guide database as a sequence of 26 route_guide_pb2.Features. 27 """ 28 feature_list = [] 29 with open("route_guide_db.json") as route_guide_db_file: 30 for item in json.load(route_guide_db_file): 31 feature = route_guide_pb2.Feature( 32 name=item["name"], 33 location=route_guide_pb2.Point( 34 latitude=item["location"]["latitude"], 35 longitude=item["location"]["longitude"])) 36 feature_list.append(feature) 37 return feature_list 38
