下载文件 https://github.com/protocolbuffers/protobuf/releases/tag/v2.5.0

Unzip *** /home/tools/probuf/

./configure --prefix=/home/tools/protobuf/

Make && make check && sudo make install

# 配置环境变量后，验证安装成果

protoc --version

export PATH=/root/tools/protobuf-2.5.0/bin:$PATH           # 立即生效

Or

export PROTOBUF=/Users/ZZ/Python/Tools

export PATH=$PROTOBUF/bin:$PATH

syntax = "proto2";

message Test {
    required float a = 1;
    optional float b = 2;
}

修改前:

修改后：

参考资料--

https://*.com/questions/25036487/protocol-buffers-in-python-3-notimplementederror

tt = test_pb2.Test()
tt.a = 100
print(tt)
ss = tt.SerializeToString()
print(ss)

----tt 序列化

t2 = test_pb2.Test()
t2.ParseFromString(ss)
print(t2)

-- t2 反序列化tt

https://blog.csdn.net/u013210620/article/details/81317731 python基础--protobuf的使用(一)