Python >=3.10 required.

.github/workflows/build.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13', '3.14.0-alpha - 3.14']
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14.0-alpha - 3.14']
     steps:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v5

.github/workflows/release.yml

@@ -35,7 +35,7 @@ jobs:
         platforms: all
     - uses: pypa/[email protected]
       env:
-        CIBW_BUILD: cp39-*
+        CIBW_BUILD: cp310-*
         CIBW_ARCHS_LINUX: auto aarch64
         CIBW_ARCHS_MACOS: x86_64 arm64
     - uses: actions/upload-artifact@v4

CHANGELOG.md

@@ -5,7 +5,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 ## Unreleased
 ### Changed
-* Python >=3.9 required
+* Python >=3.10 required
 
 ## [1.5](https://pypi.org/project/placeholder/1.5/) - 2023-11-10
 ### Changed

placeholder/__init__.py

@@ -3,7 +3,6 @@
 import operator
 from collections.abc import Callable, Iterable, Iterator, Sequence
 from functools import partial
-from typing import Optional
 from . import partials  # type: ignore
 
 
@@ -64,7 +63,7 @@ def __getitem__(self, item) -> 'F':
         """Return `itemgetter`."""
         return type(self)(self, operator.itemgetter(item))
 
-    def __round__(self, ndigits: Optional[int] = None) -> 'F':
+    def __round__(self, ndigits: int | None = None) -> 'F':
         """Return `round(...)`."""
         return type(self)(self, round if ndigits is None else partial(round, ndigits=ndigits))
 

placeholder/partials.c

@@ -1,4 +1,4 @@
-#define Py_LIMITED_API 0x03090000
+#define Py_LIMITED_API 0x03100000
 #include "Python.h"
 
 typedef struct {

pyproject.toml

@@ -7,7 +7,7 @@ name = "placeholder"
 version = "1.5"
 description = "Operator overloading for fast anonymous functions."
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 license = {file = "LICENSE.txt"}
 authors = [{name = "Aric Coady", email = "[email protected]"}]
 keywords = ["functional", "lambda", "scala", "underscore"]
@@ -17,7 +17,6 @@ classifiers = [
     "License :: OSI Approved :: Apache Software License",
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",

setup.cfg

@@ -1,2 +1,2 @@
 [bdist_wheel]
-py_limited_api = cp39
+py_limited_api = cp310