A pure Python Levenschtein implementation that's not freaking GPL'd.
Project description
A pure Python Levenschtein implementation that’s not freaking GPL’d.
Based off the Wikipedia code samples at http://en.wikipedia.org/wiki/Levenshtein_distance.
Requirements
Python 2.7.X, Python 3.3+ or PyPy 1.6.0+
Usage
Usage is fairly straightforward.:
import pylev
distance = pylev.levenschtein('kitten', 'sitting')
assert(distance, 3)
License
New BSD.
Tests
Setup:
$ git clone https://github.com/toastdriven/pylev.git $ cd pylev $ virtualenv env --distribute $ . env/bin/activate $ pip install unittest2
Running:
$ python -m unittest2 tests
Version History
v1.1.0
Implemented a much faster variant (several orders of magnitude).
The older variant was renamed to classic_levenschtein.
Tested & working on Python 3.3 & PyPy 1.6.0 as well.
v1.0.2
Python packaging is REALLY hard. Including the README this time.
v1.0.1
Python packaging is hard. Including the README this time.
v1.0.0
Initial release, just the naive implementation of Levenschtein.
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