Add Python 3.14 support

- Add Python 3.14 to CI test matrix
- Update Windows CI test from Python 3.13 to 3.14
- Update tox.ini: add py312/py313/py314, remove py38, use py312 as base
- Update tox.nix: add python312/313/314, remove python38

Author: HayaoSuzuki

.github/workflows/ci.yml

@@ -38,13 +38,13 @@ jobs:
     name: Test with python ${{ matrix.python-version }} / ${{ matrix.os-version }}
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
         os-version: ["ubuntu-latest", "windows-latest"]
         exclude:
           - os-version: windows-latest
         include:
           - os-version: windows-latest
-            python-version: 3.13
+            python-version: 3.14
 
     runs-on: ${{ matrix.os-version }}
 

tox.ini

@@ -1,11 +1,13 @@
 [tox]
 envlist =
-    py38
     py39
     py310
     py311
+    py312
+    py313
+    py314
 
-base_python = py311
+base_python = py312
 
 isolated_build = true
 

tox.nix

@@ -7,10 +7,12 @@ let
 
 in pkgs.mkShell {
   buildInputs = with pkgs; [
-    (basePython python311)
+    (basePython python312)
+    (toxPython python314)
+    (toxPython python313)
+    (toxPython python311)
     (toxPython python310)
     (toxPython python39)
-    (toxPython python38)
 
     bashInteractive
   ];