All of the code in this directory is autogenerated by the thrift compiler.
Do not modify this code. To regenerate this code, run the following from
the root of this repository:

  python setup.py generate

Quite intuitively, you must have the thrift compiler installed to generate the
code. On OS X, you can get the thrift compiler from brew:

  brew install thrift

Most Linux distributions also have native packages for thrift.