Drop support for Python 3.10 and 3.11

Support for PyPy dropped until PyPy supports Python 3.12

Apply Ruff and Mypy lint fixes

Necessary to keep up with typing changes in Numpy

Not strictly required, but Python 3.10 is reaching EOL anyways

Author: HexDecimal

.github/workflows/python-package.yml

@@ -109,17 +109,17 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-latest", "windows-latest"]
-        python-version: ["3.10", "3.14t", "pypy-3.10"]
+        python-version: ["3.12", "3.14t"]
         architecture: ["x64"]
         include:
           - os: "windows-latest"
-            python-version: "3.10"
+            python-version: "3.12"
             architecture: "x86"
           - os: "windows-latest"
             python-version: "3.14t"
             architecture: "x86"
           - os: "windows-11-arm"
-            python-version: "3.11"
+            python-version: "3.12"
             architecture: "arm64"
           - os: "windows-11-arm"
             python-version: "3.14t"
@@ -243,7 +243,7 @@ jobs:
     strategy:
       matrix:
         arch: ["x86_64", "aarch64"]
-        build: ["cp310-manylinux*", "pp311-manylinux*", "cp314t-manylinux*"]
+        build: ["cp312-manylinux*", "cp314t-manylinux*"]
     env:
       BUILD_DESC: ""
     steps:
@@ -301,7 +301,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        python: ["cp310-*_universal2", "cp314t-*_universal2", "pp311-*"]
+        python: ["cp312-*_universal2", "cp314t-*_universal2"]
     env:
       PYTHON_DESC: ""
     steps:

CHANGELOG.md

@@ -6,6 +6,10 @@ This project adheres to [Semantic Versioning](https://semver.org/) since version
 
 ## [Unreleased]
 
+### Removed
+
+- Support dropped for Python 3.10 and 3.11.
+
 ## [21.2.1] - 2026-06-04
 
 ### Deployment

README.rst

@@ -46,7 +46,7 @@ For the most part it's just::
 ==============
  Requirements
 ==============
-* Python 3.10+
+* Python 3.12+
 * Windows, Linux, or MacOS X 10.9+.
 * On Linux, requires libsdl3
 

build_libtcod.py

@@ -228,7 +228,7 @@ def walk_sources(directory: str) -> Iterator[str]:
 for include in includes:
     try:
         ffi.cdef(include.header)
-    except Exception:  # noqa: PERF203
+    except Exception:
         # Print the source, for debugging.
         print(f"Error with: {include.path}")
         for i, line in enumerate(include.header.split("\n"), 1):

build_sdl.py

@@ -157,8 +157,7 @@ def check_sdl_version() -> None:
             )
             raise RuntimeError(msg) from exc
     except subprocess.CalledProcessError as exc:
-        if sys.version_info >= (3, 11):
-            exc.add_note(f"Note: {os.environ.get('PKG_CONFIG_PATH')=}")
+        exc.add_note(f"Note: {os.environ.get('PKG_CONFIG_PATH')=}")
         raise
     logger.info(f"Found SDL {sdl_version_str}.")
     sdl_version = tuple(int(s) for s in sdl_version_str.split("."))

docs/tcod/event.rst

@@ -15,7 +15,7 @@ Getting events
 The primary way to capture events is with the :any:`tcod.event.get` and :any:`tcod.event.wait` functions.
 These functions return events in a loop until the internal event queue is empty.
 Use :func:`isinstance`, :any:`tcod.event.EventDispatch`, or `match statements <https://docs.python.org/3/tutorial/controlflow.html#match-statements>`_
-(introduced in Python 3.10) to determine which event was returned.
+to determine which event was returned.
 
 .. autofunction:: tcod.event.get
 .. autofunction:: tcod.event.wait

pyproject.toml

@@ -20,7 +20,7 @@ dynamic = ["version"]
 description = "The official Python port of libtcod."
 authors = [{ name = "Kyle Benesch", email = "4b796c65+tcod@gmail.com" }]
 readme = "README.rst"
-requires-python = ">=3.10"
+requires-python = ">=3.12"
 license = "BSD-2-Clause"
 license-files = [
     "LICENSE.txt",
@@ -106,7 +106,7 @@ enable = ["pypy", "pyodide-prerelease"]
 
 [tool.mypy]
 files = ["."]
-python_version = "3.10"
+python_version = "3.12"
 warn_unused_configs = true
 show_error_codes = true
 disallow_subclassing_any = true

scripts/tag_release.py

@@ -36,7 +36,7 @@ def parse_changelog(args: argparse.Namespace) -> tuple[str, str]:
     assert match
     header, changes, tail = match.groups()
 
-    iso_date = datetime.datetime.now(tz=datetime.timezone.utc).date().isoformat()
+    iso_date = datetime.datetime.now(tz=datetime.UTC).date().isoformat()
     tagged = f"\n## [{args.tag}] - {iso_date}\n{changes}"
     if args.verbose:
         print("--- Tagged section:")

setup.py

@@ -42,7 +42,7 @@ def get_package_data() -> list[str]:
 
 options = {
     "bdist_wheel": {
-        "py_limited_api": "cp310",
+        "py_limited_api": "cp312",
     }
 }
 if "free-threading build" in sys.version:

tcod/_internal.py

@@ -61,7 +61,7 @@ def _check(error: int) -> int:
     return error
 
 
-def _check_p(pointer: T) -> T:
+def _check_p[T](pointer: T) -> T:
     """Treats NULL pointers as errors and raises a libtcod exception."""
     if not pointer:
         _raise_tcod_error()
@@ -94,13 +94,13 @@ def _int(int_or_str: SupportsInt | str | bytes) -> int:
     return int(int_or_str)
 
 
-def _bytes(string: AnyStr) -> bytes:
+def _bytes(string: AnyStr) -> bytes:  # noqa: UP047
     if isinstance(string, str):
         return string.encode("utf-8")
     return string
 
 
-def _unicode(string: AnyStr, stacklevel: int = 2) -> str:
+def _unicode(string: AnyStr, stacklevel: int = 2) -> str:  # noqa: UP047
     if isinstance(string, bytes):
         warnings.warn(
             "Passing byte strings as parameters to Unicode functions is deprecated.",
@@ -129,8 +129,7 @@ def _path_encode(path: Path) -> bytes:
     try:
         return str(path).encode(locale.getlocale()[1] or "utf-8")  # Stay classy, Windows
     except UnicodeEncodeError as exc:
-        if sys.version_info >= (3, 11):
-            exc.add_note("""Consider calling 'locale.setlocale(locale.LC_CTYPES, ".UTF8")' to support Unicode paths.""")
+        exc.add_note("""Consider calling 'locale.setlocale(locale.LC_CTYPES, ".UTF8")' to support Unicode paths.""")
         raise