build(python): Add Python 3.10

Author: Stranger6667

.github/workflows/build.yml

@@ -91,7 +91,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['3.6', '3.7', '3.8', '3.9']
+        python-version: ['3.6', '3.7', '3.8', '3.9', '3.10']
 
     name: Python ${{ matrix.python-version }} on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}

.github/workflows/python-release.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: [macos-latest, windows-latest]
-        python-version: ['3.6', '3.7', '3.8', '3.9']
+        python-version: ['3.6', '3.7', '3.8', '3.9', '3.10']
         architecture: [x86, x64]
         exclude:
         - os: macos-latest
@@ -48,7 +48,7 @@ jobs:
       matrix:
         # List of the language-implementation API pairs to publish wheels for
         # The list of supported is obtainable by running `docker run quay.io/pypa/manylinux2014_x86_64 ls /opt/python`
-        PYTHON_IMPLEMENTATION_ABI: [cp36-cp36m, cp37-cp37m, cp38-cp38, cp39-cp39]
+        PYTHON_IMPLEMENTATION_ABI: [cp36-cp36m, cp37-cp37m, cp38-cp38, cp39-cp39, cp310-cp310]
     runs-on: ubuntu-latest
     container: quay.io/pypa/manylinux2014_x86_64  # Builds wheels on CentOS 7 (supported until 2024)
     env:

bindings/python/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Added
+
+- Python 3.10 builds.
+
 ### Changed
 
 - Update `PyO3` to `0.15.1`.

bindings/python/README.rst

@@ -101,7 +101,7 @@ The results above were measured with stable ``rustc 1.47.0``, ``Python 3.8.6`` o
 Python support
 --------------
 
-``css_inline`` supports Python 3.6, 3.7, 3.8, and 3.9.
+``css_inline`` supports Python 3.6, 3.7, 3.8, 3.9, and 3.10.
 
 Extra materials
 ---------------

bindings/python/setup.py

@@ -43,6 +43,7 @@ def call_setup():
             "Programming Language :: Python :: 3.7",
             "Programming Language :: Python :: 3.8",
             "Programming Language :: Python :: 3.9",
+            "Programming Language :: Python :: 3.10",
             "Programming Language :: Python :: Implementation :: CPython",
             "Programming Language :: Rust",
         ],