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Library for reading ARPA n-gram models.

Project description

Python ARPA Package

PyPI Version Travis Coverage Status Dependency Status

This is a library for reading ARPA n-gram models.
Python 3.3+ and Wheels are supported.
It was initiated by Stefan Fischer and is developed and maintained by many others.


PyPI Python Versions

The package is available on PyPI:

$ pip install arpa


The package may be imported directly:

import arpa
models = arpa.loadf("")
lm = models[0]  # ARPA files may contain several models.

# probability p(end|in, the)
lm.p("in the end")
lm.log_p("in the end")

# sentence score w/ sentence markers
lm.s("This is the end .")
lm.log_s("This is the end .")

# sentence score w/o sentence markers
lm.s("This is the end .", sos=False, eos=False)
lm.log_s("This is the end .", sos=False, eos=False)


Write a bug report or send a pull request.
Other contributors have done so before.


Copyright (c) 2015-2018 Stefan Fischer
The source code is available under the MIT License.
See LICENSE for further details.


All notable changes to this project will be documented in this file.
This project adheres to Semantic Versioning.
You should Keep a CHANGELOG, too!

Next Release







0.1.0 - 2015-07-04


  • First release on PyPI.

Project details

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Filename, size & hash SHA256 hash help File type Python version Upload date
arpa-0.1.0b2-py3-none-any.whl (10.3 kB) Copy SHA256 hash SHA256 Wheel py3 Apr 28, 2018
arpa-0.1.0b2.tar.gz (13.5 kB) Copy SHA256 hash SHA256 Source None Apr 28, 2018

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