Drop Python 3.8 support (#650)

Now EOL:
https://discuss.python.org/t/python-3-8-is-now-officially-eol/66983 .

Author: adamchainz

.github/workflows/main.yml

@@ -18,7 +18,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-        - 3.8
         - 3.9
         - '3.10'
         - '3.11'

.pre-commit-config.yaml

@@ -34,7 +34,7 @@ repos:
   rev: v3.17.0
   hooks:
   - id: pyupgrade
-    args: [--py38-plus]
+    args: [--py39-plus]
 - repo: https://github.com/psf/black-pre-commit-mirror
   rev: 24.8.0
   hooks:

CHANGELOG.rst

@@ -2,6 +2,8 @@
 Changelog
 =========
 
+* Drop Python 3.8 support.
+
 3.15.0 (2023-08-15)
 -------------------
 

README.rst

@@ -114,7 +114,7 @@ Install with:
 
     python -m pip install pytest-randomly
 
-Python 3.8 to 3.12 supported.
+Python 3.9 to 3.12 supported.
 
 Usage
 =====

pyproject.toml

@@ -19,15 +19,14 @@ keywords = [
 authors = [
   { name = "Adam Johnson", email = "[email protected]" },
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 classifiers = [
   "Development Status :: 5 - Production/Stable",
   "Framework :: Pytest",
   "Intended Audience :: Developers",
   "License :: OSI Approved :: MIT License",
   "Natural Language :: English",
   "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",

src/pytest_randomly/__init__.py

@@ -17,8 +17,6 @@
 from pytest import fixture
 from pytest import hookimpl
 
-from pytest_randomly.compat import md5
-
 if sys.version_info < (3, 10):
     from importlib_metadata import entry_points
 else:
@@ -291,7 +289,7 @@ def reduce_list_of_lists(lists: list[list[T]]) -> list[T]:
 
 
 def _md5(string: str) -> bytes:
-    hasher = md5()
+    hasher = hashlib.md5(usedforsecurity=False)
     hasher.update(string.encode())
     return hasher.digest()
 

src/pytest_randomly/compat.py

@@ -19,7 +19,6 @@
         *sys.argv[1:],
     ]
     run = partial(subprocess.run, check=True)
-    run([*common_args, "--python", "3.8", "--output-file", "py38.txt"])
     run([*common_args, "--python", "3.9", "--output-file", "py39.txt"])
     run([*common_args, "--python", "3.10", "--output-file", "py310.txt"])
     run([*common_args, "--python", "3.11", "--output-file", "py311.txt"])

tests/requirements/compile.py

@@ -2,7 +2,7 @@
 requires =
     tox>=4.2
 env_list =
-    py{312, 311, 310, 39, 38}
+    py{312, 311, 310, 39}
 
 [testenv]
 package = wheel