ragflow

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Charles add00924e7 fix: replace editdistance with rapidfuzz for python 3.13 wheel support (#18132 )

### Summary

Fixes #18107.

`editdistance==0.8.1` (the only recent release on PyPI) has no cp313
wheels for any platform. Since this project requires exactly Python
3.13, `uv`/`pip`/`poetry` fall back to building it from source (Cython),
which fails on Windows for anyone without a working C build toolchain —
that's the PEP 517 build error in the issue.

Swapped `editdistance` for `rapidfuzz`, which ships full cp313 wheels
(win32/win_amd64/win_arm64 included) and has no build-from-source step
on any of our target platforms. The only call site was
`EntityResolution.is_similarity` in `rag/graphrag/entity_resolution.py`,
using `editdistance.eval(a, b)` to get the unweighted Levenshtein
distance between two entity names.
`rapidfuzz.distance.Levenshtein.distance(a, b)` computes the same thing
(verified identical output on several string pairs) and is used as a
direct replacement.

2026-08-11 21:44:36 +08:00