MacとLinuxはpythonのprotobufをインストールします

//  
brew install protobuf
brew install autoconf automake libtool 

//  
protoc --version
python
import google.protobuf

//  protobuf   
    https://github.com/google/protobuf/releases 
wget https://github.com/google/protobuf/releases/download/v3.6.1/protobuf-python-3.6.1.tar.gz

//  ，  ，  
tar zxvf protobuf-python-3.6.1.tar.gz 
cd protobuf-3.6.1
./configure --prefix=/usr/local/protobuf-3.6.1
make 
make check 
make install

//    protobuf python  
cd ./python 
python setup.py build 
python setup.py test 
python setup.py install

//    ，  Linux  
protoc –version

//  Python         
python
import google.protobuf