How to setup the Protobuf Files to parse the NYCT GTFS-RT Feeds (because they don't make it easy)

setup.sh

# Download the proto files
wget http://datamine.mta.info/sites/all/files/pdfs/nyct-subway.proto.txt
wget https://developers.google.com/transit/gtfs-realtime/gtfs-realtime.proto

# rename the NYCT proto file to drop the .txt extension
mv nyct-subway.proto.txt nyct-subway.proto 

# install the protobuf-compiler
sudo yum install protobuf-compiler

# run the protobuf-compiler
# https://developers.google.com/protocol-buffers/docs/pythontutorial
protoc --python_out=. ./gtfs-realtime.proto
protoc --python_out=. ./nyct-subway.proto