Drop support of Python 3.8, support 3.12

.github/workflows/tests.yml

@@ -8,17 +8,17 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['3.11']
+        python-version: ['3.12']
         include:
           - os: ubuntu-latest
-            python-version: '3.7'
+            python-version: '3.8'
           - os: ubuntu-latest
-            python-version: 'pypy-3.8'
+            python-version: 'pypy-3.9'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: true
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Upgrade pip and setuptools

README.rst

@@ -3,7 +3,7 @@ documents (HTML, XML, etc.) that can be read by ElementTree-like parsers
 (including cElementTree, lxml, html5lib, etc.)
 
 * Free software: BSD license
-* For Python 3.7+, tested on CPython and PyPy
+* For Python 3.8+, tested on CPython and PyPy
 * Documentation: https://doc.courtbouillon.org/cssselect2
 * Changelog: https://github.com/Kozea/cssselect2/releases
 * Code, issues, tests: https://github.com/Kozea/cssselect2

cssselect2/tree.py

@@ -1,34 +1,10 @@
-import functools
+from functools import cached_property
 from warnings import warn
 
 from webencodings import ascii_lower
 
 from .compiler import compile_selector_list, split_whitespace
 
-if hasattr(functools, 'cached_property'):
-    # Python 3.8+
-    cached_property = functools.cached_property
-else:
-    # Python 3.7
-    class cached_property:  # noqa: N801
-        # Borrowed from Werkzeug
-        # https://github.com/mitsuhiko/werkzeug/blob/master/werkzeug/utils.py
-
-        def __init__(self, func, name=None, doc=None):
-            self.__name__ = name or func.__name__
-            self.__module__ = func.__module__
-            self.__doc__ = doc or func.__doc__
-            self.func = func
-
-        def __get__(self, obj, type=None, __missing=object()):
-            if obj is None:
-                return self
-            value = obj.__dict__.get(self.__name__, __missing)
-            if value is __missing:
-                value = self.func(obj)
-                obj.__dict__[self.__name__] = value
-            return value
-
 
 class ElementWrapper:
     """Wrapper of :class:`xml.etree.ElementTree.Element` for Selector matching.

pyproject.toml

@@ -8,7 +8,7 @@ description = 'CSS selectors for Python ElementTree'
 keywords = ['css', 'elementtree']
 authors = [{name = 'Simon Sapin', email = 'simon.sapin@exyr.org'}]
 maintainers = [{name = 'CourtBouillon', email = 'contact@courtbouillon.org'}]
-requires-python = '>=3.7'
+requires-python = '>=3.8'
 readme = {file = 'README.rst', content-type = 'text/x-rst'}
 license = {file = 'LICENSE'}
 dependencies = ['tinycss2', 'webencodings']
@@ -20,10 +20,11 @@ classifiers = [
   'Programming Language :: Python',
   'Programming Language :: Python :: 3',
   'Programming Language :: Python :: 3 :: Only',
-  'Programming Language :: Python :: 3.7',
   'Programming Language :: Python :: 3.8',
   'Programming Language :: Python :: 3.9',
   'Programming Language :: Python :: 3.10',
+  'Programming Language :: Python :: 3.11',
+  'Programming Language :: Python :: 3.12',
   'Programming Language :: Python :: Implementation :: CPython',
   'Programming Language :: Python :: Implementation :: PyPy',
   'Topic :: Internet :: WWW/HTTP',
@@ -58,4 +59,4 @@ select = ['E', 'W', 'F', 'I', 'N', 'RUF']
 ignore = ['RUF001', 'RUF002', 'RUF003']
 
 [tool.ruff.lint.extend-per-file-ignores]
-'docs/example.py' = ['I001']
+'docs/example.py' = ['I001']