diff --git a/examples/python/multiplex/.gitignore b/examples/python/multiplex/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..0d20b6487c61e7d1bde93acf4a14b7a89083a16d
--- /dev/null
+++ b/examples/python/multiplex/.gitignore
@@ -0,0 +1 @@
+*.pyc
diff --git a/examples/python/multiplex/README.md b/examples/python/multiplex/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..bad3a42b3704128133f0cb9f75a8cd776ef22f0a
--- /dev/null
+++ b/examples/python/multiplex/README.md
@@ -0,0 +1 @@
+An example showing two stubs sharing a channel and two servicers sharing a server.
diff --git a/examples/python/multiplex/helloworld_pb2.py b/examples/python/multiplex/helloworld_pb2.py
new file mode 100644
index 0000000000000000000000000000000000000000..3ce33fbf2bf36f011a2a871ab0d48cc926c60d1d
--- /dev/null
+++ b/examples/python/multiplex/helloworld_pb2.py
@@ -0,0 +1,204 @@
+# Generated by the protocol buffer compiler. DO NOT EDIT!
+# source: helloworld.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='helloworld.proto',
+ package='helloworld',
+ syntax='proto3',
+ serialized_pb=_b('\n\x10helloworld.proto\x12\nhelloworld\"\x1c\n\x0cHelloRequest\x12\x0c\n\x04name\x18\x01 \x01(\t\"\x1d\n\nHelloReply\x12\x0f\n\x07message\x18\x01 \x01(\t2I\n\x07Greeter\x12>\n\x08SayHello\x12\x18.helloworld.HelloRequest\x1a\x16.helloworld.HelloReply\"\x00\x42\x36\n\x1bio.grpc.examples.helloworldB\x0fHelloWorldProtoP\x01\xa2\x02\x03HLWb\x06proto3')
+)
+_sym_db.RegisterFileDescriptor(DESCRIPTOR)
+
+
+
+
+_HELLOREQUEST = _descriptor.Descriptor(
+ name='HelloRequest',
+ full_name='helloworld.HelloRequest',
+ filename=None,
+ file=DESCRIPTOR,
+ containing_type=None,
+ fields=[
+ _descriptor.FieldDescriptor(
+ name='name', full_name='helloworld.HelloRequest.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),
+ ],
+ extensions=[
+ ],
+ nested_types=[],
+ enum_types=[
+ ],
+ options=None,
+ is_extendable=False,
+ syntax='proto3',
+ extension_ranges=[],
+ oneofs=[
+ ],
+ serialized_start=32,
+ serialized_end=60,
+)
+
+
+_HELLOREPLY = _descriptor.Descriptor(
+ name='HelloReply',
+ full_name='helloworld.HelloReply',
+ filename=None,
+ file=DESCRIPTOR,
+ containing_type=None,
+ fields=[
+ _descriptor.FieldDescriptor(
+ name='message', full_name='helloworld.HelloReply.message', 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),
+ ],
+ extensions=[
+ ],
+ nested_types=[],
+ enum_types=[
+ ],
+ options=None,
+ is_extendable=False,
+ syntax='proto3',
+ extension_ranges=[],
+ oneofs=[
+ ],
+ serialized_start=62,
+ serialized_end=91,
+)
+
+DESCRIPTOR.message_types_by_name['HelloRequest'] = _HELLOREQUEST
+DESCRIPTOR.message_types_by_name['HelloReply'] = _HELLOREPLY
+
+HelloRequest = _reflection.GeneratedProtocolMessageType('HelloRequest', (_message.Message,), dict(
+ DESCRIPTOR = _HELLOREQUEST,
+ __module__ = 'helloworld_pb2'
+ # @@protoc_insertion_point(class_scope:helloworld.HelloRequest)
+ ))
+_sym_db.RegisterMessage(HelloRequest)
+
+HelloReply = _reflection.GeneratedProtocolMessageType('HelloReply', (_message.Message,), dict(
+ DESCRIPTOR = _HELLOREPLY,
+ __module__ = 'helloworld_pb2'
+ # @@protoc_insertion_point(class_scope:helloworld.HelloReply)
+ ))
+_sym_db.RegisterMessage(HelloReply)
+
+
+DESCRIPTOR.has_options = True
+DESCRIPTOR._options = _descriptor._ParseOptions(descriptor_pb2.FileOptions(), _b('\n\033io.grpc.examples.helloworldB\017HelloWorldProtoP\001\242\002\003HLW'))
+import grpc
+from grpc.beta import implementations as beta_implementations
+from grpc.beta import interfaces as beta_interfaces
+from grpc.framework.common import cardinality
+from grpc.framework.interfaces.face import utilities as face_utilities
+
+
+class GreeterStub(object):
+ """The greeting service definition.
+ """
+
+ def __init__(self, channel):
+ """Constructor.
+
+ Args:
+ channel: A grpc.Channel.
+ """
+ self.SayHello = channel.unary_unary(
+ '/helloworld.Greeter/SayHello',
+ request_serializer=HelloRequest.SerializeToString,
+ response_deserializer=HelloReply.FromString,
+ )
+
+
+class GreeterServicer(object):
+ """The greeting service definition.
+ """
+
+ def SayHello(self, request, context):
+ """Sends a greeting
+ """
+ context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+ context.set_details('Method not implemented!')
+ raise NotImplementedError('Method not implemented!')
+
+
+def add_GreeterServicer_to_server(servicer, server):
+ rpc_method_handlers = {
+ 'SayHello': grpc.unary_unary_rpc_method_handler(
+ servicer.SayHello,
+ request_deserializer=HelloRequest.FromString,
+ response_serializer=HelloReply.SerializeToString,
+ ),
+ }
+ generic_handler = grpc.method_handlers_generic_handler(
+ 'helloworld.Greeter', rpc_method_handlers)
+ server.add_generic_rpc_handlers((generic_handler,))
+
+
+class BetaGreeterServicer(object):
+ """The greeting service definition.
+ """
+ def SayHello(self, request, context):
+ """Sends a greeting
+ """
+ context.code(beta_interfaces.StatusCode.UNIMPLEMENTED)
+
+
+class BetaGreeterStub(object):
+ """The greeting service definition.
+ """
+ def SayHello(self, request, timeout, metadata=None, with_call=False, protocol_options=None):
+ """Sends a greeting
+ """
+ raise NotImplementedError()
+ SayHello.future = None
+
+
+def beta_create_Greeter_server(servicer, pool=None, pool_size=None, default_timeout=None, maximum_timeout=None):
+ request_deserializers = {
+ ('helloworld.Greeter', 'SayHello'): HelloRequest.FromString,
+ }
+ response_serializers = {
+ ('helloworld.Greeter', 'SayHello'): HelloReply.SerializeToString,
+ }
+ method_implementations = {
+ ('helloworld.Greeter', 'SayHello'): face_utilities.unary_unary_inline(servicer.SayHello),
+ }
+ server_options = beta_implementations.server_options(request_deserializers=request_deserializers, response_serializers=response_serializers, thread_pool=pool, thread_pool_size=pool_size, default_timeout=default_timeout, maximum_timeout=maximum_timeout)
+ return beta_implementations.server(method_implementations, options=server_options)
+
+
+def beta_create_Greeter_stub(channel, host=None, metadata_transformer=None, pool=None, pool_size=None):
+ request_serializers = {
+ ('helloworld.Greeter', 'SayHello'): HelloRequest.SerializeToString,
+ }
+ response_deserializers = {
+ ('helloworld.Greeter', 'SayHello'): HelloReply.FromString,
+ }
+ cardinalities = {
+ 'SayHello': cardinality.Cardinality.UNARY_UNARY,
+ }
+ stub_options = beta_implementations.stub_options(host=host, metadata_transformer=metadata_transformer, request_serializers=request_serializers, response_deserializers=response_deserializers, thread_pool=pool, thread_pool_size=pool_size)
+ return beta_implementations.dynamic_stub(channel, 'helloworld.Greeter', cardinalities, options=stub_options)
+# @@protoc_insertion_point(module_scope)
diff --git a/examples/python/multiplex/multiplex_client.py b/examples/python/multiplex/multiplex_client.py
new file mode 100644
index 0000000000000000000000000000000000000000..2e8162926b777f3f50b53dd76608e8d404182cde
--- /dev/null
+++ b/examples/python/multiplex/multiplex_client.py
@@ -0,0 +1,139 @@
+# Copyright 2016, 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.
+
+"""A client that makes both Greeter and RouteGuide RPCs."""
+
+from __future__ import print_function
+
+import random
+import time
+
+import grpc
+
+import helloworld_pb2
+import route_guide_pb2
+import route_guide_resources
+
+
+def make_route_note(message, latitude, longitude):
+ return route_guide_pb2.RouteNote(
+ message=message,
+ location=route_guide_pb2.Point(latitude=latitude, longitude=longitude))
+
+
+def guide_get_one_feature(route_guide_stub, point):
+ feature = route_guide_stub.GetFeature(point)
+ if not feature.location:
+ print("Server returned incomplete feature")
+ return
+
+ if feature.name:
+ print("Feature called %s at %s" % (feature.name, feature.location))
+ else:
+ print("Found no feature at %s" % feature.location)
+
+
+def guide_get_feature(route_guide_stub):
+ guide_get_one_feature(
+ route_guide_stub,
+ route_guide_pb2.Point(latitude=409146138, longitude=-746188906))
+ guide_get_one_feature(
+ route_guide_stub, route_guide_pb2.Point(latitude=0, longitude=0))
+
+
+def guide_list_features(route_guide_stub):
+ rectangle = route_guide_pb2.Rectangle(
+ lo=route_guide_pb2.Point(latitude=400000000, longitude=-750000000),
+ hi=route_guide_pb2.Point(latitude=420000000, longitude=-730000000))
+ print("Looking for features between 40, -75 and 42, -73")
+
+ features = route_guide_stub.ListFeatures(rectangle)
+
+ for feature in features:
+ print("Feature called %s at %s" % (feature.name, feature.location))
+
+
+def generate_route(feature_list):
+ for _ in range(0, 10):
+ random_feature = feature_list[random.randint(0, len(feature_list) - 1)]
+ print("Visiting point %s" % random_feature.location)
+ yield random_feature.location
+ time.sleep(random.uniform(0.5, 1.5))
+
+
+def guide_record_route(route_guide_stub):
+ feature_list = route_guide_resources.read_route_guide_database()
+
+ route_iterator = generate_route(feature_list)
+ route_summary = route_guide_stub.RecordRoute(route_iterator)
+ print("Finished trip with %s points " % route_summary.point_count)
+ print("Passed %s features " % route_summary.feature_count)
+ print("Travelled %s meters " % route_summary.distance)
+ print("It took %s seconds " % route_summary.elapsed_time)
+
+
+def generate_messages():
+ messages = [
+ make_route_note("First message", 0, 0),
+ make_route_note("Second message", 0, 1),
+ make_route_note("Third message", 1, 0),
+ make_route_note("Fourth message", 0, 0),
+ make_route_note("Fifth message", 1, 0),
+ ]
+ for msg in messages:
+ print("Sending %s at %s" % (msg.message, msg.location))
+ yield msg
+ time.sleep(random.uniform(0.5, 1.0))
+
+
+def guide_route_chat(route_guide_stub):
+ responses = route_guide_stub.RouteChat(generate_messages())
+ for response in responses:
+ print("Received message %s at %s" % (response.message, response.location))
+
+
+def run():
+ channel = grpc.insecure_channel('localhost:50051')
+ greeter_stub = helloworld_pb2.GreeterStub(channel)
+ route_guide_stub = route_guide_pb2.RouteGuideStub(channel)
+ greeter_response = greeter_stub.SayHello(
+ helloworld_pb2.HelloRequest(name='you'))
+ print("Greeter client received: " + greeter_response.message)
+ print("-------------- GetFeature --------------")
+ guide_get_feature(route_guide_stub)
+ print("-------------- ListFeatures --------------")
+ guide_list_features(route_guide_stub)
+ print("-------------- RecordRoute --------------")
+ guide_record_route(route_guide_stub)
+ print("-------------- RouteChat --------------")
+ guide_route_chat(route_guide_stub)
+
+
+if __name__ == '__main__':
+ run()
diff --git a/examples/python/multiplex/multiplex_server.py b/examples/python/multiplex/multiplex_server.py
new file mode 100644
index 0000000000000000000000000000000000000000..32a4ee4a4977fb948d684c270268a5ebbd4d49a0
--- /dev/null
+++ b/examples/python/multiplex/multiplex_server.py
@@ -0,0 +1,149 @@
+# Copyright 2016, 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.
+
+"""A gRPC server servicing both Greeter and RouteGuide RPCs."""
+
+from concurrent import futures
+import time
+import math
+
+import grpc
+
+import helloworld_pb2
+import route_guide_pb2
+import route_guide_resources
+
+_ONE_DAY_IN_SECONDS = 60 * 60 * 24
+
+
+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.longitude / 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 _GreeterServicer(helloworld_pb2.GreeterServicer):
+
+ def SayHello(self, request, context):
+ return helloworld_pb2.HelloReply(message='Hello, {}!'.format(request.name))
+
+
+class _RouteGuideServicer(route_guide_pb2.RouteGuideServicer):
+ """Provides methods that implement functionality of route guide server."""
+
+ def __init__(self):
+ self.db = route_guide_resources.read_route_guide_database()
+
+ def GetFeature(self, request, context):
+ feature = _get_feature(self.db, request)
+ if feature is None:
+ return route_guide_pb2.Feature(name="", location=request)
+ else:
+ return feature
+
+ def ListFeatures(self, request, context):
+ left = min(request.lo.longitude, request.hi.longitude)
+ right = max(request.lo.longitude, request.hi.longitude)
+ top = max(request.lo.latitude, request.hi.latitude)
+ bottom = min(request.lo.latitude, request.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 = grpc.server(futures.ThreadPoolExecutor(max_workers=10))
+ helloworld_pb2.add_GreeterServicer_to_server(_GreeterServicer(), server)
+ route_guide_pb2.add_RouteGuideServicer_to_server(
+ _RouteGuideServicer(), server)
+ server.add_insecure_port('[::]:50051')
+ server.start()
+ try:
+ while True:
+ time.sleep(_ONE_DAY_IN_SECONDS)
+ except KeyboardInterrupt:
+ server.stop(0)
+
+
+if __name__ == '__main__':
+ serve()
diff --git a/examples/python/multiplex/route_guide_db.json b/examples/python/multiplex/route_guide_db.json
new file mode 100644
index 0000000000000000000000000000000000000000..9d6a980ab7d76163b103a5eccd523a3ffac0ec98
--- /dev/null
+++ b/examples/python/multiplex/route_guide_db.json
@@ -0,0 +1,601 @@
+[{
+ "location": {
+ "latitude": 407838351,
+ "longitude": -746143763
+ },
+ "name": "Patriots Path, Mendham, NJ 07945, USA"
+}, {
+ "location": {
+ "latitude": 408122808,
+ "longitude": -743999179
+ },
+ "name": "101 New Jersey 10, Whippany, NJ 07981, USA"
+}, {
+ "location": {
+ "latitude": 413628156,
+ "longitude": -749015468
+ },
+ "name": "U.S. 6, Shohola, PA 18458, USA"
+}, {
+ "location": {
+ "latitude": 419999544,
+ "longitude": -740371136
+ },
+ "name": "5 Conners Road, Kingston, NY 12401, USA"
+}, {
+ "location": {
+ "latitude": 414008389,
+ "longitude": -743951297
+ },
+ "name": "Mid Hudson Psychiatric Center, New Hampton, NY 10958, USA"
+}, {
+ "location": {
+ "latitude": 419611318,
+ "longitude": -746524769
+ },
+ "name": "287 Flugertown Road, Livingston Manor, NY 12758, USA"
+}, {
+ "location": {
+ "latitude": 406109563,
+ "longitude": -742186778
+ },
+ "name": "4001 Tremley Point Road, Linden, NJ 07036, USA"
+}, {
+ "location": {
+ "latitude": 416802456,
+ "longitude": -742370183
+ },
+ "name": "352 South Mountain Road, Wallkill, NY 12589, USA"
+}, {
+ "location": {
+ "latitude": 412950425,
+ "longitude": -741077389
+ },
+ "name": "Bailey Turn Road, Harriman, NY 10926, USA"
+}, {
+ "location": {
+ "latitude": 412144655,
+ "longitude": -743949739
+ },
+ "name": "193-199 Wawayanda Road, Hewitt, NJ 07421, USA"
+}, {
+ "location": {
+ "latitude": 415736605,
+ "longitude": -742847522
+ },
+ "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
+ },
+ "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
+ },
+ "name": "New York State Reference Route 987E, Southfields, NY 10975, USA"
+}, {
+ "location": {
+ "latitude": 416855156,
+ "longitude": -744420597
+ },
+ "name": "103-271 Tempaloni Road, Ellenville, NY 12428, USA"
+}, {
+ "location": {
+ "latitude": 404663628,
+ "longitude": -744820157
+ },
+ "name": "1300 Airport Road, North Brunswick Township, NJ 08902, USA"
+}, {
+ "location": {
+ "latitude": 407113723,
+ "longitude": -749746483
+ },
+ "name": ""
+}, {
+ "location": {
+ "latitude": 402133926,
+ "longitude": -743613249
+ },
+ "name": ""
+}, {
+ "location": {
+ "latitude": 400273442,
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+ "name": "517-521 Huntington Drive, Manchester Township, NJ 08759, USA"
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+ "name": "3 Hasta Way, Newton, NJ 07860, USA"
+}]
diff --git a/examples/python/multiplex/route_guide_pb2.py b/examples/python/multiplex/route_guide_pb2.py
new file mode 100644
index 0000000000000000000000000000000000000000..924e186e06e4ca1094a3c648bf3748f79393464c
--- /dev/null
+++ b/examples/python/multiplex/route_guide_pb2.py
@@ -0,0 +1,516 @@
+# 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='routeguide',
+ syntax='proto3',
+ serialized_pb=_b('\n\x11route_guide.proto\x12\nrouteguide\",\n\x05Point\x12\x10\n\x08latitude\x18\x01 \x01(\x05\x12\x11\n\tlongitude\x18\x02 \x01(\x05\"I\n\tRectangle\x12\x1d\n\x02lo\x18\x01 \x01(\x0b\x32\x11.routeguide.Point\x12\x1d\n\x02hi\x18\x02 \x01(\x0b\x32\x11.routeguide.Point\"<\n\x07\x46\x65\x61ture\x12\x0c\n\x04name\x18\x01 \x01(\t\x12#\n\x08location\x18\x02 \x01(\x0b\x32\x11.routeguide.Point\"A\n\tRouteNote\x12#\n\x08location\x18\x01 \x01(\x0b\x32\x11.routeguide.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\x85\x02\n\nRouteGuide\x12\x36\n\nGetFeature\x12\x11.routeguide.Point\x1a\x13.routeguide.Feature\"\x00\x12>\n\x0cListFeatures\x12\x15.routeguide.Rectangle\x1a\x13.routeguide.Feature\"\x00\x30\x01\x12>\n\x0bRecordRoute\x12\x11.routeguide.Point\x1a\x18.routeguide.RouteSummary\"\x00(\x01\x12?\n\tRouteChat\x12\x15.routeguide.RouteNote\x1a\x15.routeguide.RouteNote\"\x00(\x01\x30\x01\x42\x36\n\x1bio.grpc.examples.routeguideB\x0fRouteGuideProtoP\x01\xa2\x02\x03RTGb\x06proto3')
+)
+_sym_db.RegisterFileDescriptor(DESCRIPTOR)
+
+
+
+
+_POINT = _descriptor.Descriptor(
+ name='Point',
+ full_name='routeguide.Point',
+ filename=None,
+ file=DESCRIPTOR,
+ containing_type=None,
+ fields=[
+ _descriptor.FieldDescriptor(
+ name='latitude', full_name='routeguide.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='routeguide.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,
+ syntax='proto3',
+ extension_ranges=[],
+ oneofs=[
+ ],
+ serialized_start=33,
+ serialized_end=77,
+)
+
+
+_RECTANGLE = _descriptor.Descriptor(
+ name='Rectangle',
+ full_name='routeguide.Rectangle',
+ filename=None,
+ file=DESCRIPTOR,
+ containing_type=None,
+ fields=[
+ _descriptor.FieldDescriptor(
+ name='lo', full_name='routeguide.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='routeguide.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,
+ syntax='proto3',
+ extension_ranges=[],
+ oneofs=[
+ ],
+ serialized_start=79,
+ serialized_end=152,
+)
+
+
+_FEATURE = _descriptor.Descriptor(
+ name='Feature',
+ full_name='routeguide.Feature',
+ filename=None,
+ file=DESCRIPTOR,
+ containing_type=None,
+ fields=[
+ _descriptor.FieldDescriptor(
+ name='name', full_name='routeguide.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='routeguide.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,
+ syntax='proto3',
+ extension_ranges=[],
+ oneofs=[
+ ],
+ serialized_start=154,
+ serialized_end=214,
+)
+
+
+_ROUTENOTE = _descriptor.Descriptor(
+ name='RouteNote',
+ full_name='routeguide.RouteNote',
+ filename=None,
+ file=DESCRIPTOR,
+ containing_type=None,
+ fields=[
+ _descriptor.FieldDescriptor(
+ name='location', full_name='routeguide.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='routeguide.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,
+ syntax='proto3',
+ extension_ranges=[],
+ oneofs=[
+ ],
+ serialized_start=216,
+ serialized_end=281,
+)
+
+
+_ROUTESUMMARY = _descriptor.Descriptor(
+ name='RouteSummary',
+ full_name='routeguide.RouteSummary',
+ filename=None,
+ file=DESCRIPTOR,
+ containing_type=None,
+ fields=[
+ _descriptor.FieldDescriptor(
+ name='point_count', full_name='routeguide.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='routeguide.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='routeguide.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='routeguide.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,
+ syntax='proto3',
+ extension_ranges=[],
+ oneofs=[
+ ],
+ serialized_start=283,
+ serialized_end=381,
+)
+
+_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:routeguide.Point)
+ ))
+_sym_db.RegisterMessage(Point)
+
+Rectangle = _reflection.GeneratedProtocolMessageType('Rectangle', (_message.Message,), dict(
+ DESCRIPTOR = _RECTANGLE,
+ __module__ = 'route_guide_pb2'
+ # @@protoc_insertion_point(class_scope:routeguide.Rectangle)
+ ))
+_sym_db.RegisterMessage(Rectangle)
+
+Feature = _reflection.GeneratedProtocolMessageType('Feature', (_message.Message,), dict(
+ DESCRIPTOR = _FEATURE,
+ __module__ = 'route_guide_pb2'
+ # @@protoc_insertion_point(class_scope:routeguide.Feature)
+ ))
+_sym_db.RegisterMessage(Feature)
+
+RouteNote = _reflection.GeneratedProtocolMessageType('RouteNote', (_message.Message,), dict(
+ DESCRIPTOR = _ROUTENOTE,
+ __module__ = 'route_guide_pb2'
+ # @@protoc_insertion_point(class_scope:routeguide.RouteNote)
+ ))
+_sym_db.RegisterMessage(RouteNote)
+
+RouteSummary = _reflection.GeneratedProtocolMessageType('RouteSummary', (_message.Message,), dict(
+ DESCRIPTOR = _ROUTESUMMARY,
+ __module__ = 'route_guide_pb2'
+ # @@protoc_insertion_point(class_scope:routeguide.RouteSummary)
+ ))
+_sym_db.RegisterMessage(RouteSummary)
+
+
+DESCRIPTOR.has_options = True
+DESCRIPTOR._options = _descriptor._ParseOptions(descriptor_pb2.FileOptions(), _b('\n\033io.grpc.examples.routeguideB\017RouteGuideProtoP\001\242\002\003RTG'))
+import grpc
+from grpc.beta import implementations as beta_implementations
+from grpc.beta import interfaces as beta_interfaces
+from grpc.framework.common import cardinality
+from grpc.framework.interfaces.face import utilities as face_utilities
+
+
+class RouteGuideStub(object):
+ """Interface exported by the server.
+ """
+
+ def __init__(self, channel):
+ """Constructor.
+
+ Args:
+ channel: A grpc.Channel.
+ """
+ self.GetFeature = channel.unary_unary(
+ '/routeguide.RouteGuide/GetFeature',
+ request_serializer=Point.SerializeToString,
+ response_deserializer=Feature.FromString,
+ )
+ self.ListFeatures = channel.unary_stream(
+ '/routeguide.RouteGuide/ListFeatures',
+ request_serializer=Rectangle.SerializeToString,
+ response_deserializer=Feature.FromString,
+ )
+ self.RecordRoute = channel.stream_unary(
+ '/routeguide.RouteGuide/RecordRoute',
+ request_serializer=Point.SerializeToString,
+ response_deserializer=RouteSummary.FromString,
+ )
+ self.RouteChat = channel.stream_stream(
+ '/routeguide.RouteGuide/RouteChat',
+ request_serializer=RouteNote.SerializeToString,
+ response_deserializer=RouteNote.FromString,
+ )
+
+
+class RouteGuideServicer(object):
+ """Interface exported by the server.
+ """
+
+ def GetFeature(self, request, context):
+ """A simple RPC.
+
+ Obtains the feature at a given position.
+
+ A feature with an empty name is returned if there's no feature at the given
+ position.
+ """
+ context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+ context.set_details('Method not implemented!')
+ raise NotImplementedError('Method not implemented!')
+
+ def ListFeatures(self, request, context):
+ """A server-to-client streaming RPC.
+
+ Obtains the Features available within the given Rectangle. Results are
+ streamed rather than returned at once (e.g. in a response message with a
+ repeated field), as the rectangle may cover a large area and contain a
+ huge number of features.
+ """
+ context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+ context.set_details('Method not implemented!')
+ raise NotImplementedError('Method not implemented!')
+
+ def RecordRoute(self, request_iterator, context):
+ """A client-to-server streaming RPC.
+
+ Accepts a stream of Points on a route being traversed, returning a
+ RouteSummary when traversal is completed.
+ """
+ context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+ context.set_details('Method not implemented!')
+ raise NotImplementedError('Method not implemented!')
+
+ def RouteChat(self, request_iterator, context):
+ """A Bidirectional streaming RPC.
+
+ Accepts a stream of RouteNotes sent while a route is being traversed,
+ while receiving other RouteNotes (e.g. from other users).
+ """
+ context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+ context.set_details('Method not implemented!')
+ raise NotImplementedError('Method not implemented!')
+
+
+def add_RouteGuideServicer_to_server(servicer, server):
+ rpc_method_handlers = {
+ 'GetFeature': grpc.unary_unary_rpc_method_handler(
+ servicer.GetFeature,
+ request_deserializer=Point.FromString,
+ response_serializer=Feature.SerializeToString,
+ ),
+ 'ListFeatures': grpc.unary_stream_rpc_method_handler(
+ servicer.ListFeatures,
+ request_deserializer=Rectangle.FromString,
+ response_serializer=Feature.SerializeToString,
+ ),
+ 'RecordRoute': grpc.stream_unary_rpc_method_handler(
+ servicer.RecordRoute,
+ request_deserializer=Point.FromString,
+ response_serializer=RouteSummary.SerializeToString,
+ ),
+ 'RouteChat': grpc.stream_stream_rpc_method_handler(
+ servicer.RouteChat,
+ request_deserializer=RouteNote.FromString,
+ response_serializer=RouteNote.SerializeToString,
+ ),
+ }
+ generic_handler = grpc.method_handlers_generic_handler(
+ 'routeguide.RouteGuide', rpc_method_handlers)
+ server.add_generic_rpc_handlers((generic_handler,))
+
+
+class BetaRouteGuideServicer(object):
+ """Interface exported by the server.
+ """
+ def GetFeature(self, request, context):
+ """A simple RPC.
+
+ Obtains the feature at a given position.
+
+ A feature with an empty name is returned if there's no feature at the given
+ position.
+ """
+ context.code(beta_interfaces.StatusCode.UNIMPLEMENTED)
+ def ListFeatures(self, request, context):
+ """A server-to-client streaming RPC.
+
+ Obtains the Features available within the given Rectangle. Results are
+ streamed rather than returned at once (e.g. in a response message with a
+ repeated field), as the rectangle may cover a large area and contain a
+ huge number of features.
+ """
+ context.code(beta_interfaces.StatusCode.UNIMPLEMENTED)
+ def RecordRoute(self, request_iterator, context):
+ """A client-to-server streaming RPC.
+
+ Accepts a stream of Points on a route being traversed, returning a
+ RouteSummary when traversal is completed.
+ """
+ context.code(beta_interfaces.StatusCode.UNIMPLEMENTED)
+ def RouteChat(self, request_iterator, context):
+ """A Bidirectional streaming RPC.
+
+ Accepts a stream of RouteNotes sent while a route is being traversed,
+ while receiving other RouteNotes (e.g. from other users).
+ """
+ context.code(beta_interfaces.StatusCode.UNIMPLEMENTED)
+
+
+class BetaRouteGuideStub(object):
+ """Interface exported by the server.
+ """
+ def GetFeature(self, request, timeout, metadata=None, with_call=False, protocol_options=None):
+ """A simple RPC.
+
+ Obtains the feature at a given position.
+
+ A feature with an empty name is returned if there's no feature at the given
+ position.
+ """
+ raise NotImplementedError()
+ GetFeature.future = None
+ def ListFeatures(self, request, timeout, metadata=None, with_call=False, protocol_options=None):
+ """A server-to-client streaming RPC.
+
+ Obtains the Features available within the given Rectangle. Results are
+ streamed rather than returned at once (e.g. in a response message with a
+ repeated field), as the rectangle may cover a large area and contain a
+ huge number of features.
+ """
+ raise NotImplementedError()
+ def RecordRoute(self, request_iterator, timeout, metadata=None, with_call=False, protocol_options=None):
+ """A client-to-server streaming RPC.
+
+ Accepts a stream of Points on a route being traversed, returning a
+ RouteSummary when traversal is completed.
+ """
+ raise NotImplementedError()
+ RecordRoute.future = None
+ def RouteChat(self, request_iterator, timeout, metadata=None, with_call=False, protocol_options=None):
+ """A Bidirectional streaming RPC.
+
+ Accepts a stream of RouteNotes sent while a route is being traversed,
+ while receiving other RouteNotes (e.g. from other users).
+ """
+ raise NotImplementedError()
+
+
+def beta_create_RouteGuide_server(servicer, pool=None, pool_size=None, default_timeout=None, maximum_timeout=None):
+ request_deserializers = {
+ ('routeguide.RouteGuide', 'GetFeature'): Point.FromString,
+ ('routeguide.RouteGuide', 'ListFeatures'): Rectangle.FromString,
+ ('routeguide.RouteGuide', 'RecordRoute'): Point.FromString,
+ ('routeguide.RouteGuide', 'RouteChat'): RouteNote.FromString,
+ }
+ response_serializers = {
+ ('routeguide.RouteGuide', 'GetFeature'): Feature.SerializeToString,
+ ('routeguide.RouteGuide', 'ListFeatures'): Feature.SerializeToString,
+ ('routeguide.RouteGuide', 'RecordRoute'): RouteSummary.SerializeToString,
+ ('routeguide.RouteGuide', 'RouteChat'): RouteNote.SerializeToString,
+ }
+ method_implementations = {
+ ('routeguide.RouteGuide', 'GetFeature'): face_utilities.unary_unary_inline(servicer.GetFeature),
+ ('routeguide.RouteGuide', 'ListFeatures'): face_utilities.unary_stream_inline(servicer.ListFeatures),
+ ('routeguide.RouteGuide', 'RecordRoute'): face_utilities.stream_unary_inline(servicer.RecordRoute),
+ ('routeguide.RouteGuide', 'RouteChat'): face_utilities.stream_stream_inline(servicer.RouteChat),
+ }
+ server_options = beta_implementations.server_options(request_deserializers=request_deserializers, response_serializers=response_serializers, thread_pool=pool, thread_pool_size=pool_size, default_timeout=default_timeout, maximum_timeout=maximum_timeout)
+ return beta_implementations.server(method_implementations, options=server_options)
+
+
+def beta_create_RouteGuide_stub(channel, host=None, metadata_transformer=None, pool=None, pool_size=None):
+ request_serializers = {
+ ('routeguide.RouteGuide', 'GetFeature'): Point.SerializeToString,
+ ('routeguide.RouteGuide', 'ListFeatures'): Rectangle.SerializeToString,
+ ('routeguide.RouteGuide', 'RecordRoute'): Point.SerializeToString,
+ ('routeguide.RouteGuide', 'RouteChat'): RouteNote.SerializeToString,
+ }
+ response_deserializers = {
+ ('routeguide.RouteGuide', 'GetFeature'): Feature.FromString,
+ ('routeguide.RouteGuide', 'ListFeatures'): Feature.FromString,
+ ('routeguide.RouteGuide', 'RecordRoute'): RouteSummary.FromString,
+ ('routeguide.RouteGuide', 'RouteChat'): RouteNote.FromString,
+ }
+ cardinalities = {
+ 'GetFeature': cardinality.Cardinality.UNARY_UNARY,
+ 'ListFeatures': cardinality.Cardinality.UNARY_STREAM,
+ 'RecordRoute': cardinality.Cardinality.STREAM_UNARY,
+ 'RouteChat': cardinality.Cardinality.STREAM_STREAM,
+ }
+ stub_options = beta_implementations.stub_options(host=host, metadata_transformer=metadata_transformer, request_serializers=request_serializers, response_deserializers=response_deserializers, thread_pool=pool, thread_pool_size=pool_size)
+ return beta_implementations.dynamic_stub(channel, 'routeguide.RouteGuide', cardinalities, options=stub_options)
+# @@protoc_insertion_point(module_scope)
diff --git a/examples/python/multiplex/route_guide_resources.py b/examples/python/multiplex/route_guide_resources.py
new file mode 100644
index 0000000000000000000000000000000000000000..30c7711019fb6a220bb50093a223c4da28b766e6
--- /dev/null
+++ b/examples/python/multiplex/route_guide_resources.py
@@ -0,0 +1,53 @@
+# 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.
+
+"""Common resources used in the gRPC route guide example."""
+
+import json
+
+import route_guide_pb2
+
+
+def read_route_guide_database():
+ """Reads the route guide database.
+
+ Returns:
+ The full contents of the route guide database as a sequence of
+ route_guide_pb2.Features.
+ """
+ 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"],
+ location=route_guide_pb2.Point(
+ latitude=item["location"]["latitude"],
+ longitude=item["location"]["longitude"]))
+ feature_list.append(feature)
+ return feature_list
diff --git a/examples/python/multiplex/run_codegen.py b/examples/python/multiplex/run_codegen.py
new file mode 100755
index 0000000000000000000000000000000000000000..7922a0f5c7f5109671b2b0a96d4e9cdc00d29401
--- /dev/null
+++ b/examples/python/multiplex/run_codegen.py
@@ -0,0 +1,51 @@
+# Copyright 2016, 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.
+
+"""Generates protocol messages and gRPC stubs."""
+
+from grpc.tools import protoc
+
+protoc.main(
+ (
+ '',
+ '-I../../protos',
+ '--python_out=.',
+ '--grpc_python_out=.',
+ '../../protos/helloworld.proto',
+ )
+)
+protoc.main(
+ (
+ '',
+ '-I../../protos',
+ '--python_out=.',
+ '--grpc_python_out=.',
+ '../../protos/route_guide.proto',
+ )
+)