✨ feat: Support Python 3.15 and 3.15t, drop Python 3.10

Author: ShigureNyako

.github/workflows/lint-and-fmt.yml

@@ -13,9 +13,12 @@ jobs:
     strategy:
       matrix:
         # Only run linter and formatter on minimum supported Python version
-        python-version: ['3.10']
+        python-version: ['3.11']
         architecture: ['x64']
     name: lint and fmt - Python ${{ matrix.python-version }} on ${{ matrix.architecture }}
+    env:
+      UV_PYTHON: ${{ matrix.python-version }}
+      UV_LOCKED: 'true'
     steps:
       - name: Checkout
         uses: actions/checkout@v7

.github/workflows/unit-test.yml

@@ -12,9 +12,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14']
+        python-version: ['3.11', '3.12', '3.13', '3.14', '3.15', '3.15t']
         architecture: ['x64']
     name: unittest - Python ${{ matrix.python-version }} on ${{ matrix.architecture }}
+    env:
+      UV_PYTHON: ${{ matrix.python-version }}
+      UV_LOCKED: 'true'
     steps:
       - name: Checkout
         uses: actions/checkout@v7
@@ -38,6 +41,21 @@ jobs:
         run: |
           just ci-install
 
+      - name: Verify Python runtime
+        run: |
+          uv run python - <<'PY'
+          import os
+          import sys
+          import sysconfig
+
+          requested = os.environ["UV_PYTHON"]
+          assert f"{sys.version_info.major}.{sys.version_info.minor}" == requested.removesuffix("t")
+          if requested.endswith("t"):
+              assert sysconfig.get_config_var("Py_GIL_DISABLED") == 1
+              assert not sys._is_gil_enabled()
+          print(sys.version)
+          PY
+
       - name: unit test
         run: |
           just ci-test

README.md

@@ -14,3 +14,7 @@ Just a template for quickly creating a python library.
 </p>
 
 Before the work starts, replace the `moelib` with the name of your library.
+
+The template requires Python 3.11 or newer. CI tests Python 3.11–3.15, including
+prereleases of Python 3.15 and its free-threaded build (`3.15t`), using the same
+locked dependencies and test suite.

pyproject.toml

@@ -3,7 +3,7 @@ name = "moelib"
 version = "0.1.0"
 description = ""
 readme = "README.md"
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 dependencies = []
 authors = [{ name = "Nyakku Shigure", email = "sigure.qaq@gmail.com" }]
 keywords = []
@@ -14,11 +14,11 @@ classifiers = [
   "Typing :: Typed",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3",
-  "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
   "Programming Language :: Python :: Implementation :: CPython",
 ]
 
@@ -41,7 +41,7 @@ dev = [
 
 [tool.ruff]
 line-length = 120
-target-version = "py310"
+target-version = "py311"
 
 [tool.ruff.lint]
 select = [