mirror of https://github.com/grpc/grpc.git
Jan Tattermusch
10 years ago
parent
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commit
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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 |
||||
// met: |
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// |
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// * 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. |
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// * 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. |
||||
// |
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// 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 |
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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|
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syntax = "proto2"; |
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|
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//TODO: see https://github.com/grpc/grpc/issues/814 |
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//package examples; |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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// The distance covered in metres. |
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optional int32 distance = 3; |
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|
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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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@ -0,0 +1,143 @@ |
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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 |
||||
# met: |
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# |
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# * 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. |
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# * 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. |
||||
# |
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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 |
||||
# 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 |
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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|
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"""The Python implementation of the gRPC route guide client.""" |
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|
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import route_guide_pb2 |
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|
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import json |
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import random |
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import time |
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|
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_TIMEOUT_SECONDS = 30 |
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|
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|
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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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|
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|
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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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|
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|
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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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|
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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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|
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|
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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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|
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|
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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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|
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features = stub.ListFeatures(rect, _TIMEOUT_SECONDS) |
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|
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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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|
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|
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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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|
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|
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def guide_record_route(stub): |
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feature_list = read_route_guide_db() |
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|
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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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|
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|
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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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|
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|
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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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|
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|
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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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|
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|
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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": { |
||||
"latitude": 408122808, |
||||
"longitude": -743999179 |
||||
}, |
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"name": "101 New Jersey 10, Whippany, NJ 07981, USA" |
||||
}, { |
||||
"location": { |
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"latitude": 413628156, |
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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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"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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}, { |
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"location": { |
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"latitude": 414008389, |
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}, |
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"name": "Mid Hudson Psychiatric Center, New Hampton, NY 10958, USA" |
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}, { |
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"location": { |
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"latitude": 419611318, |
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"longitude": -746524769 |
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}, |
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"name": "287 Flugertown Road, Livingston Manor, NY 12758, USA" |
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}, { |
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"latitude": 406109563, |
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}, |
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"name": "4001 Tremley Point Road, Linden, NJ 07036, USA" |
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}, |
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"name": "352 South Mountain Road, Wallkill, NY 12589, USA" |
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"name": "Bailey Turn Road, Harriman, NY 10926, USA" |
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}, { |
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}, |
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"name": "193-199 Wawayanda Road, Hewitt, NJ 07421, USA" |
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}, { |
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}, |
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"name": "406-496 Ward Avenue, Pine Bush, NY 12566, USA" |
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"name": "162 Merrill Road, Highland Mills, NY 10930, USA" |
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"name": "Clinton Road, West Milford, NJ 07480, USA" |
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}, |
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}, |
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}, { |
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}, |
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}, { |
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}, |
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"name": "1300 Airport Road, North Brunswick Township, NJ 08902, USA" |
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}, |
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}, |
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"name": "611 Lawrence Avenue, Westfield, NJ 07090, USA" |
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}, |
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"name": "18 Lannis Avenue, New Windsor, NY 12553, USA" |
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}, |
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}, |
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"name": "170 Seven Lakes Drive, Sloatsburg, NY 10974, USA" |
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}, |
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"name": "1270 Lakes Road, Monroe, NY 10950, USA" |
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}, |
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"name": "509-535 Alphano Road, Great Meadows, NJ 07838, USA" |
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}, |
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"name": "652 Garden Street, Elizabeth, NJ 07202, USA" |
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}, |
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"name": "349 Sea Spray Court, Neptune City, NJ 07753, USA" |
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}, |
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"name": "13-17 Stanley Street, West Milford, NJ 07480, USA" |
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}, { |
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}, |
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"name": "47 Industrial Avenue, Teterboro, NJ 07608, USA" |
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}, { |
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"longitude": -740214052 |
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}, |
||||
"name": "5 White Oak Lane, Stony Point, NY 10980, USA" |
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}, { |
||||
"location": { |
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
}, { |
||||
"location": { |
||||
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||||
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||||
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||||
"name": "11 Ward Street, Mount Arlington, NJ 07856, USA" |
||||
}, { |
||||
"location": { |
||||
"latitude": 406685311, |
||||
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||||
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||||
"name": "300-398 Jefferson Avenue, Elizabeth, NJ 07201, USA" |
||||
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||||
"location": { |
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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}, { |
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
"name": "517-521 Huntington Drive, Manchester Township, NJ 08759, USA" |
||||
}, { |
||||
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||||
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||||
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||||
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}, { |
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
}, { |
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
}, |
||||
"name": "9 Thompson Avenue, Leonardo, NJ 07737, USA" |
||||
}, { |
||||
"location": { |
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
}, |
||||
"name": "213 Bush Road, Stone Ridge, NY 12484, USA" |
||||
}, { |
||||
"location": { |
||||
"latitude": 415034302, |
||||
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||||
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||||
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||||
}, { |
||||
"location": { |
||||
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||||
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||||
}, |
||||
"name": "" |
||||
}, { |
||||
"location": { |
||||
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||||
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||||
}, |
||||
"name": "1-17 Bergen Court, New Brunswick, NJ 08901, USA" |
||||
}, { |
||||
"location": { |
||||
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||||
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||||
}, |
||||
"name": "35 Oakland Valley Road, Cuddebackville, NY 12729, USA" |
||||
}, { |
||||
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}, { |
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||||
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||||
}, { |
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
}, { |
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
}, { |
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
}, { |
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
"name": "3387 Richmond Terrace, Staten Island, NY 10303, USA" |
||||
}, { |
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
}, { |
||||
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||||
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||||
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||||
}, |
||||
"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