Build free-threaded CPython wheels

Author: HexDecimal

.github/workflows/python-package.yml

@@ -112,15 +112,21 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-latest", "windows-latest"]
-        python-version: ["3.10", "pypy-3.10"]
+        python-version: ["3.10", "3.13t", "pypy-3.10"]
         architecture: ["x64"]
         include:
           - os: "windows-latest"
             python-version: "3.10"
             architecture: "x86"
+          - os: "windows-latest"
+            python-version: "3.13t"
+            architecture: "x86"
           - os: "windows-11-arm"
             python-version: "3.11"
             architecture: "arm64"
+          - os: "windows-11-arm"
+            python-version: "3.13t"
+            architecture: "arm64"
       fail-fast: false
 
     steps:

.vscode/settings.json

@@ -107,6 +107,7 @@
         "cooldown",
         "cplusplus",
         "CPLUSPLUS",
+        "cpython",
         "CRSEL",
         "ctypes",
         "CURRENCYSUBUNIT",
@@ -167,6 +168,7 @@
         "fmean",
         "fontx",
         "fonty",
+        "freethreading",
         "freetype",
         "frombuffer",
         "fullscreen",

pyproject.toml

@@ -102,7 +102,7 @@ exclude_lines = ['^\s*\.\.\.', "if TYPE_CHECKING:", "# pragma: no cover"]
 omit = ["tcod/__pyinstaller/*"]
 
 [tool.cibuildwheel] # https://cibuildwheel.pypa.io/en/stable/options/
-enable = ["pypy", "pyodide-prerelease"]
+enable = ["pypy", "pyodide-prerelease", "cpython-freethreading"]
 
 [tool.mypy]
 files = ["."]