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Fix python helloworld proto problem

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update readme, delete unused files
pull/3109/head
wilson 10 years ago
parent 71c0c6f71a
commit 4d059dd0be
4 changed files with 9 additions and 205 deletions
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  1. 12
      python/helloworld/README.md
  2. 49
      python/helloworld/helloworld.proto
  3. 151
      python/helloworld/helloworld_pb2.py
  4. 2
      python/helloworld/run_codegen.sh

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.
```
syntax = "proto2";
syntax = "proto3";
option java_package = "io.grpc.examples";
package helloworld;
// The greeting service definition.
service Greeter {
@ -56,12 +60,12 @@ service Greeter {
// The request message containing the user's name.
message HelloRequest {
optional string name = 1;
string name = 1;
}
// The response message containing the greetings
message HelloReply {
optional string message = 1;
string message = 1;
}
```
@ -83,7 +87,7 @@ $ ./run_codegen.sh
Which internally invokes the proto-compiler as:
```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

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
# 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

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