python route guide - just the code
This commit is contained in:
Jan Tattermusch
parent
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*.pyc
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// Copyright 2015, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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||||||
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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||||||
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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||||||
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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||||||
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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||||||
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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syntax = "proto2";
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//TODO: see https://github.com/grpc/grpc/issues/814
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//package examples;
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// Interface exported by the server.
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service RouteGuide {
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// A simple RPC.
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//
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// Obtains the feature at a given position.
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rpc GetFeature(Point) returns (Feature) {}
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// A server-to-client streaming RPC.
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//
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// Obtains the Features available within the given Rectangle. Results are
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// streamed rather than returned at once (e.g. in a response message with a
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// repeated field), as the rectangle may cover a large area and contain a
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// huge number of features.
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rpc ListFeatures(Rectangle) returns (stream Feature) {}
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// A client-to-server streaming RPC.
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//
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// Accepts a stream of Points on a route being traversed, returning a
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// RouteSummary when traversal is completed.
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rpc RecordRoute(stream Point) returns (RouteSummary) {}
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// A Bidirectional streaming RPC.
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//
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// Accepts a stream of RouteNotes sent while a route is being traversed,
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// while receiving other RouteNotes (e.g. from other users).
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rpc RouteChat(stream RouteNote) returns (stream RouteNote) {}
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}
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// Points are represented as latitude-longitude pairs in the E7 representation
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// (degrees multiplied by 10**7 and rounded to the nearest integer).
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// Latitudes should be in the range +/- 90 degrees and longitude should be in
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// the range +/- 180 degrees (inclusive).
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message Point {
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optional int32 latitude = 1;
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optional int32 longitude = 2;
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}
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// A latitude-longitude rectangle, represented as two diagonally opposite
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// points "lo" and "hi".
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message Rectangle {
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// One corner of the rectangle.
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optional Point lo = 1;
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// The other corner of the rectangle.
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optional Point hi = 2;
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}
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// A feature names something at a given point.
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//
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// If a feature could not be named, the name is empty.
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message Feature {
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// The name of the feature.
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optional string name = 1;
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// The point where the feature is detected.
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optional Point location = 2;
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}
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// A RouteNote is a message sent while at a given point.
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message RouteNote {
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// The location from which the message is sent.
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optional Point location = 1;
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// The message to be sent.
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optional string message = 2;
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}
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// A RouteSummary is received in response to a RecordRoute rpc.
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//
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// It contains the number of individual points received, the number of
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// detected features, and the total distance covered as the cumulative sum of
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// the distance between each point.
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message RouteSummary {
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// The number of points received.
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optional int32 point_count = 1;
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// The number of known features passed while traversing the route.
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optional int32 feature_count = 2;
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// The distance covered in metres.
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optional int32 distance = 3;
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// The duration of the traversal in seconds.
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optional int32 elapsed_time = 4;
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}
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# Copyright 2015, Google Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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|
# * Redistributions in binary form must reproduce the above
|
||||||
|
# copyright notice, this list of conditions and the following disclaimer
|
||||||
|
# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived from
|
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|
# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
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|
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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|
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
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|
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
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|
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
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|
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
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|
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
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|
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""The Python implementation of the gRPC route guide client."""
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import route_guide_pb2
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import json
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import random
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import time
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_TIMEOUT_SECONDS = 30
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def read_route_guide_db():
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"""Reads the route guide"""
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feature_list = []
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with open("route_guide_db.json") as route_guide_db_file:
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for item in json.load(route_guide_db_file):
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feature = route_guide_pb2.Feature(name=item["name"])
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feature.location.longitude = item["location"]["longitude"]
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feature.location.latitude = item["location"]["latitude"]
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feature_list.append(feature)
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return feature_list
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def make_route_note(message, latitude, longitude):
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route_note = route_guide_pb2.RouteNote(message=message)
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route_note.location.latitude = latitude
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route_note.location.longitude = longitude
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return route_note
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def guide_get_one_feature(stub, point):
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feature = stub.GetFeature(point, _TIMEOUT_SECONDS)
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if not feature.location:
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print "Server returned incomplete feature"
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return
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if feature.name:
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print "Feature called %s at %s" % (feature.name, feature.location)
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else:
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print "Found no feature at %s" % feature.location
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def guide_get_feature(stub):
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guide_get_one_feature(stub, route_guide_pb2.Point(latitude=409146138, longitude=-746188906))
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guide_get_one_feature(stub, route_guide_pb2.Point(latitude=0, longitude=0))
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def guide_list_features(stub):
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rect = route_guide_pb2.Rectangle()
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rect.lo.latitude = 400000000
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rect.lo.longitude = -750000000
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rect.hi.latitude = 420000000
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rect.hi.longitude = -730000000
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print "Looking for features between 40, -75 and 42, -73"
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features = stub.ListFeatures(rect, _TIMEOUT_SECONDS)
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for feature in features:
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print "Feature called %s at %s" % (feature.name, feature.location)
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def generate_route(feature_list):
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for index in range(0, 10):
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random_feature = feature_list[random.randint(0, len(feature_list) - 1)]
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print "Visiting point %s" % random_feature.location
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yield random_feature.location
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time.sleep(random.uniform(0.5, 1.5))
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def guide_record_route(stub):
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feature_list = read_route_guide_db()
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route_iter = generate_route(feature_list)
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route_summary = stub.RecordRoute(route_iter, _TIMEOUT_SECONDS)
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print "Finished trip with %s points " % route_summary.point_count
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print "Passed %s features " % route_summary.feature_count
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print "Travelled %s meters " % route_summary.distance
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print "It took %s seconds " % route_summary.elapsed_time
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def generate_messages():
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messages = [
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make_route_note("First message", 0, 0),
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make_route_note("Second message", 0, 1),
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make_route_note("Third message", 1, 0),
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make_route_note("Fourth message", 0, 0),
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make_route_note("Fifth message", 1, 0),
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]
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for msg in messages:
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print "Sending %s at %s" % (msg.message, msg.location)
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yield msg
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time.sleep(random.uniform(0.5, 1.0))
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def guide_route_chat(stub):
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responses = stub.RouteChat(generate_messages(), _TIMEOUT_SECONDS)
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for response in responses:
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print "Received message %s at %s" % (response.message, response.location)
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def run():
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with route_guide_pb2.early_adopter_create_RouteGuide_stub('localhost', 50051) as stub:
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print "-------------- GetFeature --------------"
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guide_get_feature(stub);
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print "-------------- ListFeatures --------------"
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guide_list_features(stub);
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print "-------------- RecordRoute --------------"
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guide_record_route(stub);
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print "-------------- RouteChat --------------"
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guide_route_chat(stub);
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if __name__ == '__main__':
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run()
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@ -0,0 +1,601 @@
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[{
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"location": {
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"latitude": 407838351,
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"longitude": -746143763
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},
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"name": "Patriots Path, Mendham, NJ 07945, USA"
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}, {
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"location": {
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"latitude": 408122808,
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"longitude": -743999179
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},
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"name": "101 New Jersey 10, Whippany, NJ 07981, USA"
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}, {
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"location": {
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"latitude": 413628156,
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||||||
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"longitude": -749015468
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},
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"name": "U.S. 6, Shohola, PA 18458, USA"
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}, {
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"location": {
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"latitude": 419999544,
|
||||||
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"longitude": -740371136
|
||||||
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},
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"name": "5 Conners Road, Kingston, NY 12401, USA"
|
||||||
|
}, {
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"location": {
|
||||||
|
"latitude": 414008389,
|
||||||
|
"longitude": -743951297
|
||||||
|
},
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||||||
|
"name": "Mid Hudson Psychiatric Center, New Hampton, NY 10958, USA"
|
||||||
|
}, {
|
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"location": {
|
||||||
|
"latitude": 419611318,
|
||||||
|
"longitude": -746524769
|
||||||
|
},
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|
"name": "287 Flugertown Road, Livingston Manor, NY 12758, USA"
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 406109563,
|
||||||
|
"longitude": -742186778
|
||||||
|
},
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||||||
|
"name": "4001 Tremley Point Road, Linden, NJ 07036, USA"
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 416802456,
|
||||||
|
"longitude": -742370183
|
||||||
|
},
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||||||
|
"name": "352 South Mountain Road, Wallkill, NY 12589, USA"
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 412950425,
|
||||||
|
"longitude": -741077389
|
||||||
|
},
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||||||
|
"name": "Bailey Turn Road, Harriman, NY 10926, USA"
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 412144655,
|
||||||
|
"longitude": -743949739
|
||||||
|
},
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||||||
|
"name": "193-199 Wawayanda Road, Hewitt, NJ 07421, USA"
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 415736605,
|
||||||
|
"longitude": -742847522
|
||||||
|
},
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||||||
|
"name": "406-496 Ward Avenue, Pine Bush, NY 12566, USA"
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 413843930,
|
||||||
|
"longitude": -740501726
|
||||||
|
},
|
||||||
|
"name": "162 Merrill Road, Highland Mills, NY 10930, USA"
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 410873075,
|
||||||
|
"longitude": -744459023
|
||||||
|
},
|
||||||
|
"name": "Clinton Road, West Milford, NJ 07480, USA"
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 412346009,
|
||||||
|
"longitude": -744026814
|
||||||
|
},
|
||||||
|
"name": "16 Old Brook Lane, Warwick, NY 10990, USA"
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 402948455,
|
||||||
|
"longitude": -747903913
|
||||||
|
},
|
||||||
|
"name": "3 Drake Lane, Pennington, NJ 08534, USA"
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 406337092,
|
||||||
|
"longitude": -740122226
|
||||||
|
},
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||||||
|
"name": "6324 8th Avenue, Brooklyn, NY 11220, USA"
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 406421967,
|
||||||
|
"longitude": -747727624
|
||||||
|
},
|
||||||
|
"name": "1 Merck Access Road, Whitehouse Station, NJ 08889, USA"
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 416318082,
|
||||||
|
"longitude": -749677716
|
||||||
|
},
|
||||||
|
"name": "78-98 Schalck Road, Narrowsburg, NY 12764, USA"
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 415301720,
|
||||||
|
"longitude": -748416257
|
||||||
|
},
|
||||||
|
"name": "282 Lakeview Drive Road, Highland Lake, NY 12743, USA"
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 402647019,
|
||||||
|
"longitude": -747071791
|
||||||
|
},
|
||||||
|
"name": "330 Evelyn Avenue, Hamilton Township, NJ 08619, USA"
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 412567807,
|
||||||
|
"longitude": -741058078
|
||||||
|
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"latitude": 403966326,
|
||||||
|
"longitude": -748519297
|
||||||
|
},
|
||||||
|
"name": ""
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 405002031,
|
||||||
|
"longitude": -748407866
|
||||||
|
},
|
||||||
|
"name": ""
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 409532885,
|
||||||
|
"longitude": -742200683
|
||||||
|
},
|
||||||
|
"name": ""
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 416851321,
|
||||||
|
"longitude": -742674555
|
||||||
|
},
|
||||||
|
"name": ""
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 406411633,
|
||||||
|
"longitude": -741722051
|
||||||
|
},
|
||||||
|
"name": "3387 Richmond Terrace, Staten Island, NY 10303, USA"
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 413069058,
|
||||||
|
"longitude": -744597778
|
||||||
|
},
|
||||||
|
"name": "261 Van Sickle Road, Goshen, NY 10924, USA"
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 418465462,
|
||||||
|
"longitude": -746859398
|
||||||
|
},
|
||||||
|
"name": ""
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 411733222,
|
||||||
|
"longitude": -744228360
|
||||||
|
},
|
||||||
|
"name": ""
|
||||||
|
}, {
|
||||||
|
"location": {
|
||||||
|
"latitude": 410248224,
|
||||||
|
"longitude": -747127767
|
||||||
|
},
|
||||||
|
"name": "3 Hasta Way, Newton, NJ 07860, USA"
|
||||||
|
}]
|
||||||
|
|
@ -0,0 +1,370 @@
|
||||||
|
# Generated by the protocol buffer compiler. DO NOT EDIT!
|
||||||
|
# source: route_guide.proto
|
||||||
|
|
||||||
|
import sys
|
||||||
|
_b=sys.version_info[0]<3 and (lambda x:x) or (lambda x:x.encode('latin1'))
|
||||||
|
from google.protobuf import descriptor as _descriptor
|
||||||
|
from google.protobuf import message as _message
|
||||||
|
from google.protobuf import reflection as _reflection
|
||||||
|
from google.protobuf import symbol_database as _symbol_database
|
||||||
|
from google.protobuf import descriptor_pb2
|
||||||
|
# @@protoc_insertion_point(imports)
|
||||||
|
|
||||||
|
_sym_db = _symbol_database.Default()
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
DESCRIPTOR = _descriptor.FileDescriptor(
|
||||||
|
name='route_guide.proto',
|
||||||
|
package='',
|
||||||
|
serialized_pb=_b('\n\x11route_guide.proto\",\n\x05Point\x12\x10\n\x08latitude\x18\x01 \x01(\x05\x12\x11\n\tlongitude\x18\x02 \x01(\x05\"3\n\tRectangle\x12\x12\n\x02lo\x18\x01 \x01(\x0b\x32\x06.Point\x12\x12\n\x02hi\x18\x02 \x01(\x0b\x32\x06.Point\"1\n\x07\x46\x65\x61ture\x12\x0c\n\x04name\x18\x01 \x01(\t\x12\x18\n\x08location\x18\x02 \x01(\x0b\x32\x06.Point\"6\n\tRouteNote\x12\x18\n\x08location\x18\x01 \x01(\x0b\x32\x06.Point\x12\x0f\n\x07message\x18\x02 \x01(\t\"b\n\x0cRouteSummary\x12\x13\n\x0bpoint_count\x18\x01 \x01(\x05\x12\x15\n\rfeature_count\x18\x02 \x01(\x05\x12\x10\n\x08\x64istance\x18\x03 \x01(\x05\x12\x14\n\x0c\x65lapsed_time\x18\x04 \x01(\x05\x32\xad\x01\n\nRouteGuide\x12 \n\nGetFeature\x12\x06.Point\x1a\x08.Feature\"\x00\x12(\n\x0cListFeatures\x12\n.Rectangle\x1a\x08.Feature\"\x00\x30\x01\x12(\n\x0bRecordRoute\x12\x06.Point\x1a\r.RouteSummary\"\x00(\x01\x12)\n\tRouteChat\x12\n.RouteNote\x1a\n.RouteNote\"\x00(\x01\x30\x01')
|
||||||
|
)
|
||||||
|
_sym_db.RegisterFileDescriptor(DESCRIPTOR)
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
_POINT = _descriptor.Descriptor(
|
||||||
|
name='Point',
|
||||||
|
full_name='Point',
|
||||||
|
filename=None,
|
||||||
|
file=DESCRIPTOR,
|
||||||
|
containing_type=None,
|
||||||
|
fields=[
|
||||||
|
_descriptor.FieldDescriptor(
|
||||||
|
name='latitude', full_name='Point.latitude', index=0,
|
||||||
|
number=1, type=5, cpp_type=1, label=1,
|
||||||
|
has_default_value=False, default_value=0,
|
||||||
|
message_type=None, enum_type=None, containing_type=None,
|
||||||
|
is_extension=False, extension_scope=None,
|
||||||
|
options=None),
|
||||||
|
_descriptor.FieldDescriptor(
|
||||||
|
name='longitude', full_name='Point.longitude', index=1,
|
||||||
|
number=2, type=5, cpp_type=1, label=1,
|
||||||
|
has_default_value=False, default_value=0,
|
||||||
|
message_type=None, enum_type=None, containing_type=None,
|
||||||
|
is_extension=False, extension_scope=None,
|
||||||
|
options=None),
|
||||||
|
],
|
||||||
|
extensions=[
|
||||||
|
],
|
||||||
|
nested_types=[],
|
||||||
|
enum_types=[
|
||||||
|
],
|
||||||
|
options=None,
|
||||||
|
is_extendable=False,
|
||||||
|
extension_ranges=[],
|
||||||
|
oneofs=[
|
||||||
|
],
|
||||||
|
serialized_start=21,
|
||||||
|
serialized_end=65,
|
||||||
|
)
|
||||||
|
|
||||||
|
|
||||||
|
_RECTANGLE = _descriptor.Descriptor(
|
||||||
|
name='Rectangle',
|
||||||
|
full_name='Rectangle',
|
||||||
|
filename=None,
|
||||||
|
file=DESCRIPTOR,
|
||||||
|
containing_type=None,
|
||||||
|
fields=[
|
||||||
|
_descriptor.FieldDescriptor(
|
||||||
|
name='lo', full_name='Rectangle.lo', index=0,
|
||||||
|
number=1, type=11, cpp_type=10, label=1,
|
||||||
|
has_default_value=False, default_value=None,
|
||||||
|
message_type=None, enum_type=None, containing_type=None,
|
||||||
|
is_extension=False, extension_scope=None,
|
||||||
|
options=None),
|
||||||
|
_descriptor.FieldDescriptor(
|
||||||
|
name='hi', full_name='Rectangle.hi', index=1,
|
||||||
|
number=2, type=11, cpp_type=10, label=1,
|
||||||
|
has_default_value=False, default_value=None,
|
||||||
|
message_type=None, enum_type=None, containing_type=None,
|
||||||
|
is_extension=False, extension_scope=None,
|
||||||
|
options=None),
|
||||||
|
],
|
||||||
|
extensions=[
|
||||||
|
],
|
||||||
|
nested_types=[],
|
||||||
|
enum_types=[
|
||||||
|
],
|
||||||
|
options=None,
|
||||||
|
is_extendable=False,
|
||||||
|
extension_ranges=[],
|
||||||
|
oneofs=[
|
||||||
|
],
|
||||||
|
serialized_start=67,
|
||||||
|
serialized_end=118,
|
||||||
|
)
|
||||||
|
|
||||||
|
|
||||||
|
_FEATURE = _descriptor.Descriptor(
|
||||||
|
name='Feature',
|
||||||
|
full_name='Feature',
|
||||||
|
filename=None,
|
||||||
|
file=DESCRIPTOR,
|
||||||
|
containing_type=None,
|
||||||
|
fields=[
|
||||||
|
_descriptor.FieldDescriptor(
|
||||||
|
name='name', full_name='Feature.name', index=0,
|
||||||
|
number=1, type=9, cpp_type=9, label=1,
|
||||||
|
has_default_value=False, default_value=_b("").decode('utf-8'),
|
||||||
|
message_type=None, enum_type=None, containing_type=None,
|
||||||
|
is_extension=False, extension_scope=None,
|
||||||
|
options=None),
|
||||||
|
_descriptor.FieldDescriptor(
|
||||||
|
name='location', full_name='Feature.location', index=1,
|
||||||
|
number=2, type=11, cpp_type=10, label=1,
|
||||||
|
has_default_value=False, default_value=None,
|
||||||
|
message_type=None, enum_type=None, containing_type=None,
|
||||||
|
is_extension=False, extension_scope=None,
|
||||||
|
options=None),
|
||||||
|
],
|
||||||
|
extensions=[
|
||||||
|
],
|
||||||
|
nested_types=[],
|
||||||
|
enum_types=[
|
||||||
|
],
|
||||||
|
options=None,
|
||||||
|
is_extendable=False,
|
||||||
|
extension_ranges=[],
|
||||||
|
oneofs=[
|
||||||
|
],
|
||||||
|
serialized_start=120,
|
||||||
|
serialized_end=169,
|
||||||
|
)
|
||||||
|
|
||||||
|
|
||||||
|
_ROUTENOTE = _descriptor.Descriptor(
|
||||||
|
name='RouteNote',
|
||||||
|
full_name='RouteNote',
|
||||||
|
filename=None,
|
||||||
|
file=DESCRIPTOR,
|
||||||
|
containing_type=None,
|
||||||
|
fields=[
|
||||||
|
_descriptor.FieldDescriptor(
|
||||||
|
name='location', full_name='RouteNote.location', index=0,
|
||||||
|
number=1, type=11, cpp_type=10, label=1,
|
||||||
|
has_default_value=False, default_value=None,
|
||||||
|
message_type=None, enum_type=None, containing_type=None,
|
||||||
|
is_extension=False, extension_scope=None,
|
||||||
|
options=None),
|
||||||
|
_descriptor.FieldDescriptor(
|
||||||
|
name='message', full_name='RouteNote.message', index=1,
|
||||||
|
number=2, type=9, cpp_type=9, label=1,
|
||||||
|
has_default_value=False, default_value=_b("").decode('utf-8'),
|
||||||
|
message_type=None, enum_type=None, containing_type=None,
|
||||||
|
is_extension=False, extension_scope=None,
|
||||||
|
options=None),
|
||||||
|
],
|
||||||
|
extensions=[
|
||||||
|
],
|
||||||
|
nested_types=[],
|
||||||
|
enum_types=[
|
||||||
|
],
|
||||||
|
options=None,
|
||||||
|
is_extendable=False,
|
||||||
|
extension_ranges=[],
|
||||||
|
oneofs=[
|
||||||
|
],
|
||||||
|
serialized_start=171,
|
||||||
|
serialized_end=225,
|
||||||
|
)
|
||||||
|
|
||||||
|
|
||||||
|
_ROUTESUMMARY = _descriptor.Descriptor(
|
||||||
|
name='RouteSummary',
|
||||||
|
full_name='RouteSummary',
|
||||||
|
filename=None,
|
||||||
|
file=DESCRIPTOR,
|
||||||
|
containing_type=None,
|
||||||
|
fields=[
|
||||||
|
_descriptor.FieldDescriptor(
|
||||||
|
name='point_count', full_name='RouteSummary.point_count', index=0,
|
||||||
|
number=1, type=5, cpp_type=1, label=1,
|
||||||
|
has_default_value=False, default_value=0,
|
||||||
|
message_type=None, enum_type=None, containing_type=None,
|
||||||
|
is_extension=False, extension_scope=None,
|
||||||
|
options=None),
|
||||||
|
_descriptor.FieldDescriptor(
|
||||||
|
name='feature_count', full_name='RouteSummary.feature_count', index=1,
|
||||||
|
number=2, type=5, cpp_type=1, label=1,
|
||||||
|
has_default_value=False, default_value=0,
|
||||||
|
message_type=None, enum_type=None, containing_type=None,
|
||||||
|
is_extension=False, extension_scope=None,
|
||||||
|
options=None),
|
||||||
|
_descriptor.FieldDescriptor(
|
||||||
|
name='distance', full_name='RouteSummary.distance', index=2,
|
||||||
|
number=3, type=5, cpp_type=1, label=1,
|
||||||
|
has_default_value=False, default_value=0,
|
||||||
|
message_type=None, enum_type=None, containing_type=None,
|
||||||
|
is_extension=False, extension_scope=None,
|
||||||
|
options=None),
|
||||||
|
_descriptor.FieldDescriptor(
|
||||||
|
name='elapsed_time', full_name='RouteSummary.elapsed_time', index=3,
|
||||||
|
number=4, type=5, cpp_type=1, label=1,
|
||||||
|
has_default_value=False, default_value=0,
|
||||||
|
message_type=None, enum_type=None, containing_type=None,
|
||||||
|
is_extension=False, extension_scope=None,
|
||||||
|
options=None),
|
||||||
|
],
|
||||||
|
extensions=[
|
||||||
|
],
|
||||||
|
nested_types=[],
|
||||||
|
enum_types=[
|
||||||
|
],
|
||||||
|
options=None,
|
||||||
|
is_extendable=False,
|
||||||
|
extension_ranges=[],
|
||||||
|
oneofs=[
|
||||||
|
],
|
||||||
|
serialized_start=227,
|
||||||
|
serialized_end=325,
|
||||||
|
)
|
||||||
|
|
||||||
|
_RECTANGLE.fields_by_name['lo'].message_type = _POINT
|
||||||
|
_RECTANGLE.fields_by_name['hi'].message_type = _POINT
|
||||||
|
_FEATURE.fields_by_name['location'].message_type = _POINT
|
||||||
|
_ROUTENOTE.fields_by_name['location'].message_type = _POINT
|
||||||
|
DESCRIPTOR.message_types_by_name['Point'] = _POINT
|
||||||
|
DESCRIPTOR.message_types_by_name['Rectangle'] = _RECTANGLE
|
||||||
|
DESCRIPTOR.message_types_by_name['Feature'] = _FEATURE
|
||||||
|
DESCRIPTOR.message_types_by_name['RouteNote'] = _ROUTENOTE
|
||||||
|
DESCRIPTOR.message_types_by_name['RouteSummary'] = _ROUTESUMMARY
|
||||||
|
|
||||||
|
Point = _reflection.GeneratedProtocolMessageType('Point', (_message.Message,), dict(
|
||||||
|
DESCRIPTOR = _POINT,
|
||||||
|
__module__ = 'route_guide_pb2'
|
||||||
|
# @@protoc_insertion_point(class_scope:Point)
|
||||||
|
))
|
||||||
|
_sym_db.RegisterMessage(Point)
|
||||||
|
|
||||||
|
Rectangle = _reflection.GeneratedProtocolMessageType('Rectangle', (_message.Message,), dict(
|
||||||
|
DESCRIPTOR = _RECTANGLE,
|
||||||
|
__module__ = 'route_guide_pb2'
|
||||||
|
# @@protoc_insertion_point(class_scope:Rectangle)
|
||||||
|
))
|
||||||
|
_sym_db.RegisterMessage(Rectangle)
|
||||||
|
|
||||||
|
Feature = _reflection.GeneratedProtocolMessageType('Feature', (_message.Message,), dict(
|
||||||
|
DESCRIPTOR = _FEATURE,
|
||||||
|
__module__ = 'route_guide_pb2'
|
||||||
|
# @@protoc_insertion_point(class_scope:Feature)
|
||||||
|
))
|
||||||
|
_sym_db.RegisterMessage(Feature)
|
||||||
|
|
||||||
|
RouteNote = _reflection.GeneratedProtocolMessageType('RouteNote', (_message.Message,), dict(
|
||||||
|
DESCRIPTOR = _ROUTENOTE,
|
||||||
|
__module__ = 'route_guide_pb2'
|
||||||
|
# @@protoc_insertion_point(class_scope:RouteNote)
|
||||||
|
))
|
||||||
|
_sym_db.RegisterMessage(RouteNote)
|
||||||
|
|
||||||
|
RouteSummary = _reflection.GeneratedProtocolMessageType('RouteSummary', (_message.Message,), dict(
|
||||||
|
DESCRIPTOR = _ROUTESUMMARY,
|
||||||
|
__module__ = 'route_guide_pb2'
|
||||||
|
# @@protoc_insertion_point(class_scope:RouteSummary)
|
||||||
|
))
|
||||||
|
_sym_db.RegisterMessage(RouteSummary)
|
||||||
|
|
||||||
|
|
||||||
|
import abc
|
||||||
|
from grpc._adapter import fore
|
||||||
|
from grpc._adapter import rear
|
||||||
|
from grpc.framework.assembly import implementations
|
||||||
|
from grpc.framework.assembly import utilities
|
||||||
|
class EarlyAdopterRouteGuideServicer(object):
|
||||||
|
"""<fill me in later!>"""
|
||||||
|
__metaclass__ = abc.ABCMeta
|
||||||
|
@abc.abstractmethod
|
||||||
|
def GetFeature(self, request):
|
||||||
|
raise NotImplementedError()
|
||||||
|
@abc.abstractmethod
|
||||||
|
def ListFeatures(self, request):
|
||||||
|
raise NotImplementedError()
|
||||||
|
@abc.abstractmethod
|
||||||
|
def RecordRoute(self, request_iterator):
|
||||||
|
raise NotImplementedError()
|
||||||
|
@abc.abstractmethod
|
||||||
|
def RouteChat(self, request_iterator):
|
||||||
|
raise NotImplementedError()
|
||||||
|
class EarlyAdopterRouteGuideServer(object):
|
||||||
|
"""<fill me in later!>"""
|
||||||
|
__metaclass__ = abc.ABCMeta
|
||||||
|
@abc.abstractmethod
|
||||||
|
def start(self):
|
||||||
|
raise NotImplementedError()
|
||||||
|
@abc.abstractmethod
|
||||||
|
def stop(self):
|
||||||
|
raise NotImplementedError()
|
||||||
|
class EarlyAdopterRouteGuideStub(object):
|
||||||
|
"""<fill me in later!>"""
|
||||||
|
__metaclass__ = abc.ABCMeta
|
||||||
|
@abc.abstractmethod
|
||||||
|
def GetFeature(self, request):
|
||||||
|
raise NotImplementedError()
|
||||||
|
GetFeature.async = None
|
||||||
|
@abc.abstractmethod
|
||||||
|
def ListFeatures(self, request):
|
||||||
|
raise NotImplementedError()
|
||||||
|
ListFeatures.async = None
|
||||||
|
@abc.abstractmethod
|
||||||
|
def RecordRoute(self, request_iterator):
|
||||||
|
raise NotImplementedError()
|
||||||
|
RecordRoute.async = None
|
||||||
|
@abc.abstractmethod
|
||||||
|
def RouteChat(self, request_iterator):
|
||||||
|
raise NotImplementedError()
|
||||||
|
RouteChat.async = None
|
||||||
|
def early_adopter_create_RouteGuide_server(servicer, port, root_certificates, key_chain_pairs):
|
||||||
|
method_implementations = {
|
||||||
|
"GetFeature": utilities.unary_unary_inline(servicer.GetFeature),
|
||||||
|
"ListFeatures": utilities.unary_stream_inline(servicer.ListFeatures),
|
||||||
|
"RecordRoute": utilities.stream_unary_inline(servicer.RecordRoute),
|
||||||
|
"RouteChat": utilities.stream_stream_inline(servicer.RouteChat),
|
||||||
|
}
|
||||||
|
import route_guide_pb2
|
||||||
|
import route_guide_pb2
|
||||||
|
import route_guide_pb2
|
||||||
|
import route_guide_pb2
|
||||||
|
request_deserializers = {
|
||||||
|
"GetFeature": route_guide_pb2.Point.FromString,
|
||||||
|
"ListFeatures": route_guide_pb2.Rectangle.FromString,
|
||||||
|
"RecordRoute": route_guide_pb2.Point.FromString,
|
||||||
|
"RouteChat": route_guide_pb2.RouteNote.FromString,
|
||||||
|
}
|
||||||
|
response_serializers = {
|
||||||
|
"GetFeature": lambda x: x.SerializeToString(),
|
||||||
|
"ListFeatures": lambda x: x.SerializeToString(),
|
||||||
|
"RecordRoute": lambda x: x.SerializeToString(),
|
||||||
|
"RouteChat": lambda x: x.SerializeToString(),
|
||||||
|
}
|
||||||
|
link = fore.activated_fore_link(port, request_deserializers, response_serializers, root_certificates, key_chain_pairs)
|
||||||
|
return implementations.assemble_service(method_implementations, link)
|
||||||
|
def early_adopter_create_RouteGuide_stub(host, port):
|
||||||
|
method_implementations = {
|
||||||
|
"GetFeature": utilities.unary_unary_inline(None),
|
||||||
|
"ListFeatures": utilities.unary_stream_inline(None),
|
||||||
|
"RecordRoute": utilities.stream_unary_inline(None),
|
||||||
|
"RouteChat": utilities.stream_stream_inline(None),
|
||||||
|
}
|
||||||
|
import route_guide_pb2
|
||||||
|
import route_guide_pb2
|
||||||
|
import route_guide_pb2
|
||||||
|
import route_guide_pb2
|
||||||
|
response_deserializers = {
|
||||||
|
"GetFeature": route_guide_pb2.Feature.FromString,
|
||||||
|
"ListFeatures": route_guide_pb2.Feature.FromString,
|
||||||
|
"RecordRoute": route_guide_pb2.RouteSummary.FromString,
|
||||||
|
"RouteChat": route_guide_pb2.RouteNote.FromString,
|
||||||
|
}
|
||||||
|
request_serializers = {
|
||||||
|
"GetFeature": lambda x: x.SerializeToString(),
|
||||||
|
"ListFeatures": lambda x: x.SerializeToString(),
|
||||||
|
"RecordRoute": lambda x: x.SerializeToString(),
|
||||||
|
"RouteChat": lambda x: x.SerializeToString(),
|
||||||
|
}
|
||||||
|
link = rear.activated_rear_link(host, port, request_serializers, response_deserializers)
|
||||||
|
return implementations.assemble_dynamic_inline_stub(method_implementations, link)
|
||||||
|
# @@protoc_insertion_point(module_scope)
|
||||||
|
|
@ -0,0 +1,147 @@
|
||||||
|
# Copyright 2015, Google Inc.
|
||||||
|
# All rights reserved.
|
||||||
|
#
|
||||||
|
# Redistribution and use in source and binary forms, with or without
|
||||||
|
# modification, are permitted provided that the following conditions are
|
||||||
|
# met:
|
||||||
|
#
|
||||||
|
# * Redistributions of source code must retain the above copyright
|
||||||
|
# notice, this list of conditions and the following disclaimer.
|
||||||
|
# * Redistributions in binary form must reproduce the above
|
||||||
|
# copyright notice, this list of conditions and the following disclaimer
|
||||||
|
# in the documentation and/or other materials provided with the
|
||||||
|
# distribution.
|
||||||
|
# * Neither the name of Google Inc. nor the names of its
|
||||||
|
# contributors may be used to endorse or promote products derived from
|
||||||
|
# this software without specific prior written permission.
|
||||||
|
#
|
||||||
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||||
|
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||||
|
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||||
|
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||||
|
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||||
|
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
|
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
|
||||||
|
"""The Python implementation of the gRPC route guide server."""
|
||||||
|
|
||||||
|
import json
|
||||||
|
import time
|
||||||
|
import math
|
||||||
|
|
||||||
|
import route_guide_pb2
|
||||||
|
|
||||||
|
_ONE_DAY_IN_SECONDS = 60 * 60 * 24
|
||||||
|
|
||||||
|
|
||||||
|
def read_route_guide_db():
|
||||||
|
"""Reads the route guide"""
|
||||||
|
feature_list = []
|
||||||
|
with open("route_guide_db.json") as route_guide_db_file:
|
||||||
|
for item in json.load(route_guide_db_file):
|
||||||
|
feature = route_guide_pb2.Feature(name=item["name"])
|
||||||
|
feature.location.longitude = item["location"]["longitude"]
|
||||||
|
feature.location.latitude = item["location"]["latitude"]
|
||||||
|
feature_list.append(feature)
|
||||||
|
return feature_list
|
||||||
|
|
||||||
|
|
||||||
|
def get_feature(feature_db, point):
|
||||||
|
"""Returns feature at given location or None"""
|
||||||
|
for feature in feature_db:
|
||||||
|
if feature.location == point:
|
||||||
|
return feature
|
||||||
|
return None
|
||||||
|
|
||||||
|
|
||||||
|
def get_distance(start, end):
|
||||||
|
"""Distance between two points"""
|
||||||
|
coord_factor = 10000000.0
|
||||||
|
lat_1 = start.latitude / coord_factor
|
||||||
|
lat_2 = end.latitude / coord_factor
|
||||||
|
lon_1 = start.latitude / coord_factor
|
||||||
|
lon_2 = end.longitude / coord_factor
|
||||||
|
lat_rad_1 = math.radians(lat_1)
|
||||||
|
lat_rad_2 = math.radians(lat_2)
|
||||||
|
delta_lat_rad = math.radians(lat_2 - lat_1)
|
||||||
|
delta_lon_rad = math.radians(lon_2 - lon_1)
|
||||||
|
|
||||||
|
a = pow(math.sin(delta_lat_rad / 2), 2) + math.cos(lat_rad_1) * math.cos(lat_rad_2) * pow(math.sin(delta_lon_rad / 2), 2)
|
||||||
|
c = 2 * math.atan2(math.sqrt(a), math.sqrt(1-a))
|
||||||
|
R = 6371000; # metres
|
||||||
|
return R * c;
|
||||||
|
|
||||||
|
class RouteGuideServicer(route_guide_pb2.EarlyAdopterRouteGuideServicer):
|
||||||
|
"""Provides methods that implement functionality of route guide server."""
|
||||||
|
|
||||||
|
def __init__(self):
|
||||||
|
self.db = read_route_guide_db()
|
||||||
|
|
||||||
|
def GetFeature(self, request, context):
|
||||||
|
feature = get_feature(self.db, request)
|
||||||
|
if not feature:
|
||||||
|
feature = route_guide_pb2.Feature(name="")
|
||||||
|
feature.location.longitude = request.longitude
|
||||||
|
feature.location.latitude = request.latitude
|
||||||
|
return feature
|
||||||
|
|
||||||
|
def ListFeatures(self, request, context):
|
||||||
|
lo = request.lo
|
||||||
|
hi = request.hi
|
||||||
|
left = min(lo.longitude, hi.longitude)
|
||||||
|
right = max(lo.longitude, hi.longitude)
|
||||||
|
top = max(lo.latitude, hi.latitude)
|
||||||
|
bottom = min(lo.latitude, hi.latitude)
|
||||||
|
for feature in self.db:
|
||||||
|
if (feature.location.longitude >= left and
|
||||||
|
feature.location.longitude <= right and
|
||||||
|
feature.location.latitude >= bottom and
|
||||||
|
feature.location.latitude <= top):
|
||||||
|
yield feature
|
||||||
|
|
||||||
|
def RecordRoute(self, request_iterator, context):
|
||||||
|
point_count = 0
|
||||||
|
feature_count = 0
|
||||||
|
distance = 0.0
|
||||||
|
prev_point = None
|
||||||
|
|
||||||
|
start_time = time.time()
|
||||||
|
for point in request_iterator:
|
||||||
|
point_count += 1
|
||||||
|
if get_feature(self.db, point):
|
||||||
|
feature_count += 1
|
||||||
|
if prev_point:
|
||||||
|
distance += get_distance(prev_point, point)
|
||||||
|
prev_point = point
|
||||||
|
|
||||||
|
elapsed_time = time.time() - start_time
|
||||||
|
return route_guide_pb2.RouteSummary(point_count=point_count,
|
||||||
|
feature_count=feature_count,
|
||||||
|
distance=int(distance),
|
||||||
|
elapsed_time=int(elapsed_time))
|
||||||
|
|
||||||
|
def RouteChat(self, request_iterator, context):
|
||||||
|
prev_notes = []
|
||||||
|
for new_note in request_iterator:
|
||||||
|
for prev_note in prev_notes:
|
||||||
|
if prev_note.location == new_note.location:
|
||||||
|
yield prev_note
|
||||||
|
prev_notes.append(new_note)
|
||||||
|
|
||||||
|
|
||||||
|
def serve():
|
||||||
|
server = route_guide_pb2.early_adopter_create_RouteGuide_server(
|
||||||
|
RouteGuideServicer(), 50051, None, None)
|
||||||
|
server.start()
|
||||||
|
try:
|
||||||
|
while True:
|
||||||
|
time.sleep(_ONE_DAY_IN_SECONDS)
|
||||||
|
except KeyboardInterrupt:
|
||||||
|
server.stop()
|
||||||
|
|
||||||
|
if __name__ == '__main__':
|
||||||
|
serve()
|
||||||
|
|
@ -0,0 +1,8 @@
|
||||||
|
#!/bin/bash
|
||||||
|
|
||||||
|
# This is where you have cloned out the https://github.com/grpc/grpc repository
|
||||||
|
# And built gRPC Python.
|
||||||
|
# ADJUST THIS PATH TO WHERE YOUR ACTUAL LOCATION IS
|
||||||
|
GRPC_ROOT=~/github/grpc
|
||||||
|
|
||||||
|
$GRPC_ROOT/python2.7_virtual_environment/bin/python -B route_guide_client.py
|
||||||
|
|
@ -0,0 +1,4 @@
|
||||||
|
#!/bin/bash
|
||||||
|
|
||||||
|
# Runs the protoc with gRPC plugin to generate protocol messages and gRPC stubs.
|
||||||
|
protoc -I . --python_out=. --grpc_out=. --plugin=protoc-gen-grpc=`which grpc_python_plugin` route_guide.proto
|
||||||
|
|
@ -0,0 +1,8 @@
|
||||||
|
#!/bin/bash
|
||||||
|
|
||||||
|
# This is where you have cloned out the https://github.com/grpc/grpc repository
|
||||||
|
# And built gRPC Python.
|
||||||
|
# ADJUST THIS PATH TO WHERE YOUR ACTUAL LOCATION IS
|
||||||
|
GRPC_ROOT=~/github/grpc
|
||||||
|
|
||||||
|
$GRPC_ROOT/python2.7_virtual_environment/bin/python -B route_guide_server.py
|
||||||
Loading…
Reference in New Issue