Starting from version 1.5, OpenFst has offered a native Python module, making the use of external wrappers like PyFst unnecessary. This has been greatly helpful since PyFst doesn't support Python 3.
- Download OpenFst 1.5.4 or above from http://openfst.cs.nyu.edu/twiki/bin/view/FST/FstDownload
- Unzip, untar:
$ tar xzvf openfst-1.5.4.tar.gz
$ ./configure --enable-python --enable-far