搭建环境

python 2.7.9
win10
protobuf 3.5.0
pycharm

protobuf编译工具protoc安装

下载 protoc-3.5.0-win32.zip.

解压缩到指定目录，配置环境变量PATH。

打开命令行窗口输入：protoc –version 测试。

protobuf python安装

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pip install protobuf

测试：

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python
>> import google.protobuf

demo测试

  1. 创建test.proto描述文件
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message CDevice
{
   optional int32 devId = 1;
   optional string name = 2;
}
  1. 使用protoc编译test.proto为test_pb2.py文件
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protoc -I ./origin --python_out=./test ./origin/test.proto
  1. 编写测试python测试编译生成的py
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# -*- coding: UTF-8 -*-
import test_pb2
import traceback
import sys


try:
    sendData = test_pb2.CDevice()
    sendData.devId = 9
    sendData.name = 'USB'

    #Serialize
    sendDataStr = sendData.SerializeToString()
    #print serialized string value
    print 'serialized string:', sendDataStr
    #------------------------#
    #  message transmission  #
    #------------------------#
    receiveDataStr = sendDataStr
    receiveData = test_pb2.CDevice()

    #Deserialize
    receiveData.ParseFromString(receiveDataStr)
    print 'pares serialize string, return: devId = ', receiveData.devId, ', name = ', receiveData.name
except Exception, e:
    print Exception, ':', e
    print traceback.print_exc()
    errInfo = sys.exc_info()
    print errInfo[0], ':', errInfo[1]