fixed WRatio for a length ratio of exactly 8.0

Author: maxbachmann

.github/workflows/branchbuild.yml

@@ -60,7 +60,7 @@ jobs:
         run: |
           git clone https://github.com/rapidfuzz/rapidfuzz-cpp.git
           cd rapidfuzz-cpp
-          git checkout v3.3.2
+          git checkout v3.3.3
           mkdir build && cd build
           cmake .. -DCMAKE_BUILD_TYPE=Release
           cmake --build .
@@ -104,7 +104,7 @@ jobs:
         run: |
           git clone https://github.com/rapidfuzz/rapidfuzz-cpp.git
           cd rapidfuzz-cpp
-          git checkout v3.3.2
+          git checkout v3.3.3
           mkdir build && cd build
           cmake .. -DCMAKE_BUILD_TYPE=Release
           cmake --build .

CHANGELOG.rst

@@ -1,17 +1,19 @@
 Changelog
 ---------
 
-[3.14.0] - 2025-
+[3.14.0] - 2025-08-27
 ^^^^^^^^^^^^^^^^^^^^^
 Changed
 ~~~~~~~
 * upgrade to ``Cython==3.1.1``. This enables compilation with free threaded python.
 * add python 3.14 wheels
 * add wheels for freethreaded Python
+* upgrade to ``rapidfuzz-cpp==3.3.3``
 
 Fixed
 ~~~~~
 * remove unused hook-dirs from pyinstaller config to fix a warning
+* fixed WRatio for a length ratio of exactly 8.0
 
 [3.13.0] - 2025-04-03
 ^^^^^^^^^^^^^^^^^^^^^

CMakeLists.txt

@@ -121,7 +121,7 @@ else()
   add_library(Taskflow::Taskflow ALIAS Taskflow)
 endif()
 
-find_package(rapidfuzz 3.3.2 QUIET)
+find_package(rapidfuzz 3.3.3 QUIET)
 if(rapidfuzz_FOUND)
   message(STATUS "Using system supplied version of rapidfuzz-cpp")
 else()

extern/rapidfuzz-cpp

@@ -802,7 +802,7 @@ def WRatio(
             token_ratio(s1, s2, score_cutoff=score_cutoff, processor=None) * UNBASE_SCALE,
         )
 
-    PARTIAL_SCALE = 0.9 if len_ratio < 8.0 else 0.6
+    PARTIAL_SCALE = 0.9 if len_ratio <= 8.0 else 0.6
     score_cutoff = max(score_cutoff, end_ratio) / PARTIAL_SCALE
     end_ratio = max(end_ratio, partial_ratio(s1, s2, score_cutoff=score_cutoff) * PARTIAL_SCALE)
 

src/rapidfuzz/fuzz_py.py

@@ -173,6 +173,10 @@ def testWRatioUnicode():
     assert fuzz.WRatio("new york mets", "new york mets") == 100
 
 
+def test_issue452():
+    assert pytest.approx(fuzz.WRatio("hello", "hello" + "abcde"*7)) == 90
+
+
 def testQRatioUnicode():
     assert fuzz.WRatio("new york mets", "new york mets") == 100