Restore support for Python 3.8

.github/workflows/tests.yml

@@ -19,11 +19,13 @@ jobs:
         config:
         # [Python version, tox env]
         - ["3.10", "lint", "ubuntu-latest"]
+        - ["3.8", "py38-unit", "ubuntu-latest"]
         - ["3.9", "py39-unit", "ubuntu-latest"]
         - ["3.10", "py310-unit", "ubuntu-latest"]
         - ["3.11", "py311-unit", "ubuntu-latest"]
         - ["3.12", "py312-unit", "ubuntu-latest"]
         - ["3.13", "py313-unit", "ubuntu-latest"]
+        - ["3.8", "py38-integration", "ubuntu-latest"]
         - ["3.9", "py39-integration", "ubuntu-latest"]
         - ["3.10", "py310-integration", "ubuntu-latest"]
         - ["3.11", "py311-integration", "ubuntu-latest"]

news/36.bugfix.rst

@@ -0,0 +1,2 @@
+Restore support for Python 3.8.
+[ale-rt]

pyproject.toml

@@ -1,5 +1,8 @@
 [build-system]
-requires = ["setuptools==75.8.0"]
+requires = [
+    "setuptools==75.8.0; python_version > '3.8'",
+    "setuptools==74.0.0; python_version == '3.8'"
+]
 
 [tool.towncrier]
 filename = "CHANGES.rst"

setup.py

@@ -21,6 +21,7 @@
         "Framework :: Plone",
         "License :: OSI Approved :: GNU General Public License v2 (GPLv2)",
         "Operating System :: OS Independent",
+        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
@@ -44,10 +45,12 @@
     package_dir={"": "src"},
     include_package_data=True,
     zip_safe=False,
-    python_requires=">=3.9",
+    python_requires=">=3.8",
     install_requires=[
         "importlib-metadata; python_version<'3.10'",
+        "importlib-resources; python_version<'3.9'",
         "setuptools",
+        "setuptools <= 75.0; python_version<'3.9'",
         "zope.configuration",
     ],
 )

src/plone/autoinclude/loader.py

@@ -1,7 +1,6 @@
 from importlib.metadata import distribution
 from importlib.metadata import distributions
 from importlib.metadata import PackageNotFoundError
-from importlib.resources import files
 from zope.configuration.xmlconfig import include
 from zope.configuration.xmlconfig import includeOverrides
 
@@ -18,6 +17,13 @@
     from importlib.metadata import entry_points
 
 
+try:
+    from importlib.resources import files
+except ImportError:  # pragma: no cover
+    # Python 3.8
+    from importlib_resources import files
+
+
 logger = logging.getLogger(__name__)
 
 # Dictionary of project names and packages that we have already imported.

tox.ini

@@ -4,7 +4,7 @@
 minversion = 3.18
 envlist =
     lint
-    py{39,310,311,312,313}-{integration,unit}
+    py{38,39,310,311,312,313}-{integration,unit}
     buildout
     coverage
 # Not enabled by default:
@@ -56,15 +56,15 @@ integration_testpaths =
     --test-path=test-packages/namespaceexample.native/src \
     --test-path=test-packages/namespaceexample.pkgutilns/src
 
-[testenv:py{39,310,311,312,313}-integration]
+[testenv:py{38,39,310,311,312,313}-integration]
 # Integration tests: run only the tests of the test packages.
 # Do not run plone.autoinclude tests.
 commands =
     zope-testrunner {[testenv]integration_testpaths} []
 extras =
     test
 
-[testenv:py{39,310,311,312,313}-unit]
+[testenv:py{38,39,310,311,312,313}-unit]
 usedevelop = true
 skip_install = false
 deps =
@@ -144,7 +144,8 @@ skip_install = true
 setenv =
 deps =
     pip == 25.0.1
-    setuptools == 75.8.0
+    setuptools == 75.8.0; python_version >= '3.9'
+    setuptools == 74.0.0; python_version < '3.9'
     zc.buildout == 4.0.0
 commands_pre =
     python -m pip list