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pyfst

Python interface to OpenFst. This is based on the original PyFST repository by vchahun, and the modifications done by placebokkk

Documentation: http://pyfst.github.io

Installation

  1. Install OpenFst 1.7.9
  2. Clone the repository and run python setup.py install

Known Issues

  • Works until OpenFST 1.7.9

Basic Usage

import fst

t = fst.Transducer()

t.add_arc(0, 1, 'a', 'A', 0.5)
t.add_arc(0, 1, 'b', 'B', 1.5)
t.add_arc(1, 2, 'c', 'C', 2.5)

t[2].final = 3.5

t.shortest_path() # 2 -(a:A/0.5)-> 1 -(c:C/2.5)-> 0/3.5

The pyfst API is IPython notebook-friendly: the transducers objects are automatically drawn using Graphviz.

Development

See the wiki to learn about how to install pyfst from the Cython source.

License

Copyright 2013 Victor Chahuneau

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.