jellyfish 0.2.0

a library for doing approximate and phonetic matching of strings.

Jellyfish is a python library for doing approximate and phonetic matching of strings.

jellyfish is a project of Sunlight Labs (c) 2010. All code is released under a BSD-style license, see LICENSE for details.

Written by Michael Stephens <[e-mail]> and James Turk <[e-mail]>.

Contributions from Peter Scott.

Source is available at http://github.com/sunlightlabs/jellyfish.

Included Algorithms

String comparison:

• Levenshtein Distance

• Damerau-Levenshtein Distance

• Jaro Distance

• Jaro-Winkler Distance

• Match Rating Approach Comparison

• Hamming Distance

Phonetic encoding:

• American Soundex

• Metaphone

• NYSIIS (New York State Identification and Intelligence System)

• Match Rating Codex

Example Usage

>>> import jellyfish
>>> jellyfish.levenshtein_distance('jellyfish', 'smellyfish')
2
>>> jellyfish.jaro_distance('jellyfish', 'smellyfish')
0.89629629629629637
>>> jellyfish.damerau_levenshtein_distance('jellyfish', 'jellyfihs')
1

>>> jellyfish.metaphone('Jellyfish')
'JLFX'
>>> jellyfish.soundex('Jellyfish')
'J412'
>>> jellyfish.nysiis('Jellyfish')
'JALYF'
>>> jellyfish.match_rating_codex('Jellyfish')
'JLLFSH'