Add Python 3.13, drop EOL Python 3.8

This also tweaks the tox config to take advantage of `extras` to install
testing dependencies.

.github/workflows/ci.yaml

@@ -13,12 +13,11 @@ jobs:
     strategy:
       matrix:
         python-version:
-            - '3.8'
             - '3.9'
             - '3.10'
             - '3.11'
             - '3.12'
-            - 'pypy-3.8'
+            - '3.13'
             - 'pypy-3.9'
             - 'pypy-3.10'
 

CHANGES.md

@@ -3,6 +3,7 @@ CHANGES
 
 Unreleased
 ==========
+- Drop support for EOL < Python 3.9 and add Python 3.13
 
 4.0b2
 =====

docs/contributing.rst

@@ -64,8 +64,8 @@ To run the tests like Github Actions does, you'll need pyenv_:
 
 .. code-block:: bash
 
-    pyenv install 3.8 3.9 3.10 3.11 3.12 pypy3.8 pypy3.9 pypy3.10
-    pyenv local 3.8 3.9 3.10. 3.11 3.12 pypy3.8 pypy3.9 pypy3.10
+    pyenv install 3.9 3.10 3.11 3.12 pypy3.9 pypy3.10
+    pyenv local 3.9 3.10. 3.11 3.12 pypy3.9 pypy3.10
     pip install -e ".[dev]"  # installs tox
     tox                # run sequentially
     tox run-parallel   # run in parallel, may cause issues on coverage step
@@ -76,7 +76,7 @@ Type Checking
 =============
 
 New code should have type annotations and pass mypy_ in strict mode. Use the
-typing syntax available in the earliest supported Python version 3.8.
+typing syntax available in the earliest supported Python version 3.9.
 
 To check types:
 

pyproject.toml

@@ -28,11 +28,11 @@ classifiers = [
   "Operating System :: OS Independent",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3 :: Only",
-  "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 :: 3.13",
   "Programming Language :: Python :: Implementation :: CPython",
   "Programming Language :: Python :: Implementation :: PyPy",
   "Topic :: Software Development :: Libraries :: Python Modules",

tox.ini

@@ -1,42 +1,36 @@
 [tox]
 isolated_build = True
 envlist =
-    {3.10,3.11,3.12,pypy310}-dj{4.2,5.0,5.1,main}
-    {3.8,3.9,3.10,3.11,3.12,pypy38,pypy39,pypy310}-dj4.2
-    {3.8,3.9,3.10,3.11,3.12,pypy38,pypy39,pypy310}-types
+    {3.10,3.11,3.12,3.13,pypy310}-dj{4.2,5.0,5.1,main}
+    {3.9,3.10,3.11,3.12,3.13,pypy39,pypy310}-dj4.2
+    {3.9,3.10,3.11,3.12,3.13,pypy39,pypy310}-types
 
 
 # Don't run coverage when testing with pypy:
 # see https://github.com/nedbat/coveragepy/issues/1382
-[testenv:pypy{38,39,310}-dj4.2,pypy310-dj{5.0,5.1,main}]
+[testenv:pypy{39,310}-dj4.2,pypy310-dj{5.0,5.1,main}]
 commands =
-    pip install --upgrade pip
-    pip install -e .[tests]
     pytest {toxinidir}/csp
 
-[testenv:{3.8,3.9,3.10,3.11,3.12,pypy38,pypy39,pypy310}-types]
+[testenv:{3.9,3.10,3.11,3.12,3.13,pypy39,pypy310}-types]
 commands =
-    pip install --upgrade pip
-    pip install -e .[typing]
     mypy --cache-dir {temp_dir}/.mypy_cache {toxinidir}/csp
 
 [testenv]
+extras = dev, tests, typing, jinja2
 setenv =
     PYTHONPATH={toxinidir}
     PYTHONDONTWRITEBYTECODE=1
 
 commands =
-    pip install --upgrade pip
-    pip install -e .[tests]
     pytest --cov={toxinidir}/csp  {toxinidir}/csp
 
 basepython =
-    3.8: python3.8
     3.9: python3.9
     3.10: python3.10
     3.11: python3.11
     3.12: python3.12
-    pypy38: pypy3.8
+    3.13: python3.13
     pypy39: pypy3.9
     pypy310: pypy3.10
 
@@ -52,11 +46,10 @@ deps =
 # Running tox in GHA without redefining it all in a GHA matrix:
 # https://github.com/ymyzk/tox-gh-actions
 python =
-    3.8: 3.8
     3.9: 3.9
     3.10: 3.10
     3.11: 3.11
     3.12: 3.12
-    pypy-3.8: pypy38
+    3.13: 3.13
     pypy-3.9: pypy39
     pypy-3.10: pypy310