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Merge pull request #165 from wilsonwen/master 

Fix grpc example after API changed
This commit is contained in:
Nathaniel Manista 2015-03-26 10:49:30 -07:00
parent 71c0c6f71a 4d059dd0be
commit d80141b1f7
4 changed files with 9 additions and 205 deletions
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12
python/helloworld/README.md
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@ -46,7 +46,11 @@ a greeting in a single `HelloReply`. This is the simplest type of RPC you
can specify in gRPC. can specify in gRPC.
``` ```
syntax = "proto2"; syntax = "proto3";
option java_package = "io.grpc.examples";
package helloworld;
// The greeting service definition. // The greeting service definition.
service Greeter { service Greeter {
@ -56,12 +60,12 @@ service Greeter {
// The request message containing the user's name. // The request message containing the user's name.
message HelloRequest { message HelloRequest {
optional string name = 1; string name = 1;
} }
// The response message containing the greetings // The response message containing the greetings
message HelloReply { message HelloReply {
optional string message = 1; string message = 1;
} }
``` ```
@ -83,7 +87,7 @@ $ ./run_codegen.sh
Which internally invokes the proto-compiler as: Which internally invokes the proto-compiler as:
```sh ```sh
$ protoc -I . --python_out=. --grpc_out=. --plugin=protoc-gen-grpc=`which grpc_python_plugin` helloworld.proto $ protoc -I ../../protos --python_out=. --grpc_out=. --plugin=protoc-gen-grpc=`which grpc_python_plugin` ../../protos/helloworld.proto
``` ```
Optionally, you can just skip the code generation step as the generated python module has already Optionally, you can just skip the code generation step as the generated python module has already

49
python/helloworld/helloworld.proto
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@ -1,49 +0,0 @@
// 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.
syntax = "proto2";
//TODO: see https://github.com/grpc/grpc/issues/814
//package examples;
// The greeting service definition.
service Greeter {
// Sends a greeting
rpc SayHello (HelloRequest) returns (HelloReply) {}
}
// The request message containing the user's name.
message HelloRequest {
optional string name = 1;
}
// The response message containing the greetings
message HelloReply {
optional string message = 1;
}

151
python/helloworld/helloworld_pb2.py
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@ -1,151 +0,0 @@
# 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='',
serialized_pb=_b('\n\x10helloworld.proto\"\x1c\n\x0cHelloRequest\x12\x0c\n\x04name\x18\x01 \x01(\t\"\x1d\n\nHelloReply\x12\x0f\n\x07message\x18\x01 \x01(\t23\n\x07Greeter\x12(\n\x08SayHello\x12\r.HelloRequest\x1a\x0b.HelloReply\"\x00')
)
_sym_db.RegisterFileDescriptor(DESCRIPTOR)
_HELLOREQUEST = _descriptor.Descriptor(
name='HelloRequest',
full_name='HelloRequest',
filename=None,
file=DESCRIPTOR,
containing_type=None,
fields=[
_descriptor.FieldDescriptor(
name='name', full_name='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,
extension_ranges=[],
oneofs=[
],
serialized_start=20,
serialized_end=48,
)
_HELLOREPLY = _descriptor.Descriptor(
name='HelloReply',
full_name='HelloReply',
filename=None,
file=DESCRIPTOR,
containing_type=None,
fields=[
_descriptor.FieldDescriptor(
name='message', full_name='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,
extension_ranges=[],
oneofs=[
],
serialized_start=50,
serialized_end=79,
)
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:HelloRequest)
))
_sym_db.RegisterMessage(HelloRequest)
HelloReply = _reflection.GeneratedProtocolMessageType('HelloReply', (_message.Message,), dict(
DESCRIPTOR = _HELLOREPLY,
__module__ = 'helloworld_pb2'
# @@protoc_insertion_point(class_scope:HelloReply)
))
_sym_db.RegisterMessage(HelloReply)
import abc
from grpc.early_adopter import implementations
from grpc.early_adopter import utilities
class EarlyAdopterGreeterServicer(object):
"""<fill me in later!>"""
__metaclass__ = abc.ABCMeta
@abc.abstractmethod
def SayHello(self, request, context):
raise NotImplementedError()
class EarlyAdopterGreeterServer(object):
"""<fill me in later!>"""
__metaclass__ = abc.ABCMeta
@abc.abstractmethod
def start(self):
raise NotImplementedError()
@abc.abstractmethod
def stop(self):
raise NotImplementedError()
class EarlyAdopterGreeterStub(object):
"""<fill me in later!>"""
__metaclass__ = abc.ABCMeta
@abc.abstractmethod
def SayHello(self, request):
raise NotImplementedError()
SayHello.async = None
def early_adopter_create_Greeter_server(servicer, port, root_certificates, key_chain_pairs):
import helloworld_pb2
import helloworld_pb2
method_service_descriptions = {
"SayHello": utilities.unary_unary_service_description(
servicer.SayHello,
helloworld_pb2.HelloRequest.FromString,
helloworld_pb2.HelloReply.SerializeToString,
),
}
return implementations.secure_server(method_service_descriptions, port, root_certificates, key_chain_pairs)
def early_adopter_create_Greeter_stub(host, port):
import helloworld_pb2
import helloworld_pb2
method_invocation_descriptions = {
"SayHello": utilities.unary_unary_invocation_description(
helloworld_pb2.HelloRequest.SerializeToString,
helloworld_pb2.HelloReply.FromString,
),
}
return implementations.insecure_stub(method_invocation_descriptions, host, port)
# @@protoc_insertion_point(module_scope)

2
python/helloworld/run_codegen.sh
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@ -1,4 +1,4 @@
#!/bin/bash #!/bin/bash
# Runs the protoc with gRPC plugin to generate protocol messages and gRPC stubs. # 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` helloworld.proto protoc -I ../../protos --python_out=. --grpc_out=. --plugin=protoc-gen-grpc=`which grpc_python_plugin` ../../protos/helloworld.proto