RapidFuzz/docs/license.rst

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Release v1.0.0 (#68) - all normalized string_metrics can now be used as scorer for process.extract/extractOne - Implementation of the C++ Wrapper completely refactored to make it easier to add more scorers, processors and string matching algorithms in the future. - increased test coverage, that already helped to fix some bugs and help to prevent regressions in the future - improved docstrings of functions - Added bitparallel implementation of the Levenshtein distance for the weights (1,1,1) and (1,1,2). - Added specialized implementation of the Levenshtein distance for cases with a small maximum edit distance, that is even faster, than the bitparallel implementation. - Improved performance of `fuzz.partial_ratio` -> Since `fuzz.ratio` and `fuzz.partial_ratio` are used in most scorers, this improves the overall performance. - Improved performance of `process.extract` and `process.extractOne` - the `rapidfuzz.levenshtein` module is now deprecated and will be removed in v2.0.0 These functions are now placed in `rapidfuzz.string_metric`. `distance`, `normalized_distance`, `weighted_distance` and `weighted_normalized_distance` are combined into `levenshtein` and `normalized_levenshtein`. - added normalized version of the hamming distance in `string_metric.normalized_hamming` - process.extract_iter as a generator, that yields the similarity of all elements, that have a similarity >= score_cutoff - multiple bugs in extractOne when used with a scorer, thats not from RapidFuzz - fixed bug in `token_ratio` - fixed bug in result normalisation causing zero division
2021-02-12 15:37:44 +00:00
License
=======
RapidFuzz is licensed under the MIT license since I believe that everyone should be able to use it without being forced to adopt the GPL license. Thats why the library is based on an older version of fuzzywuzzy that was MIT licensed as well.
This old version of fuzzywuzzy can be found `here <https://github.com/seatgeek/fuzzywuzzy/tree/4bf28161f7005f3aa9d4d931455ac55126918df7>`__.
MIT License
-----------
.. code-block:: text
Copyright © 2021 Max Bachmann
Copyright © 2011 Adam Cohen
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
IN THE SOFTWARE.