drop support for Python 3.7 and 3.8

These versions are no longer supported upstream and are not present in
the GitHub Actions cache for Ubuntu 24.04 x64 (if it would even run on
such a system).

BREAKING CHANGE: Drop support for Python 3.7 and 3.8.

Signed-off-by: Kevin Locke <[email protected]>

Author: kevinoid

.github/workflows/tox.yml

@@ -64,13 +64,13 @@ jobs:
         - ubuntu-latest
         - windows-latest
         python:
-        - version: 3.7
+        - version: 3.9
           exe: python
-          toxenv: py37
+          toxenv: py39
         - version: 3.x
           exe: python
           toxenv: py3
-        - version: pypy-3.7
+        - version: pypy-3.9
           exe: pypy3
           toxenv: pypy3
         exclude:

.gitlab-ci.yml

@@ -43,10 +43,10 @@ test:primary:
   script: $PYTHON -m tox -vv -e lint,docs,py3
 
 # Test with earliest supported version of Python 3
-test:py37:
+test:py39:
   stage: test:secondary
-  image: python:3.7-slim
-  script: $PYTHON -m tox -vv -e py37
+  image: python:3.9-slim
+  script: $PYTHON -m tox -vv -e py39
 
 # Test with latest supported version of PyPy 3
 test:pypy3:

setup.cfg

@@ -32,8 +32,6 @@ classifiers =
     Operating System :: OS Independent
     Programming Language :: Python
     Programming Language :: Python :: 3
-    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
@@ -51,7 +49,7 @@ package_dir =
 # See https://packaging.python.org/guides/distributing-packages-using-setuptools/#packages
 # py_modules = packagename
 packages = find:
-python_requires = >=3.7
+python_requires = >=3.9
 # Note: install_requires and tests_require from requirements/*.in by setup.py
 
 # Define entry points for automatic executable creation

tox.ini

@@ -3,7 +3,7 @@
 envlist =
     docs,
     lint,
-    py37,
+    py39,
     py310,
     pypy3
 isolated_build = true