From 6ddea4725620bb8b707ef5fa1b3e0e37f6583564 Mon Sep 17 00:00:00 2001
From: John Kurkowski <john.kurkowski@gmail.com>
Date: Mon, 4 Nov 2024 15:17:57 -0800
Subject: [PATCH 1/2] Remove Python 3.9 port

Python 3.9 is now the minimum supported version, so `is_relative_to` is available.
---
 tests/test_parallel.py | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/tests/test_parallel.py b/tests/test_parallel.py
index 6ae10dfd..8d16d76c 100644
--- a/tests/test_parallel.py
+++ b/tests/test_parallel.py
@@ -44,22 +44,10 @@ def test_cache_cleared_by_other_process(
     extract("google.com")
     orig_unlink = os.unlink
 
-    def is_relative_to(path: Path, other_path: str | Path) -> bool:
-        """Return True if path is relative to other_path or False.
-
-        Taken from the Python 3.9 standard library.
-        Reference: https://docs.python.org/3/library/pathlib.html#pathlib.PurePath.is_relative_to
-        """
-        try:
-            path.relative_to(other_path)
-            return True
-        except ValueError:
-            return False
-
     def evil_unlink(filename: str | Path) -> None:
         """Simulate someone deletes the file right before we try to."""
         if (isinstance(filename, str) and filename.startswith(cache_dir)) or (
-            isinstance(filename, Path) and is_relative_to(filename, cache_dir)
+            isinstance(filename, Path) and filename.is_relative_to(cache_dir)
         ):
             orig_unlink(filename)
         orig_unlink(filename)

From c48336093361d87d7bdfa1398b6a44407c048f12 Mon Sep 17 00:00:00 2001
From: John Kurkowski <john.kurkowski@gmail.com>
Date: Mon, 4 Nov 2024 15:11:56 -0800
Subject: [PATCH 2/2] Support Python 3.13

---
 .github/workflows/ci.yml | 1 +
 pyproject.toml           | 1 +
 tox.ini                  | 2 +-
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f20c2719..db2b5e80 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,6 +18,7 @@ jobs:
             {python-version: "3.10", toxenv: "py310"},
             {python-version: "3.11", toxenv: "py311"},
             {python-version: "3.12", toxenv: "py312"},
+            {python-version: "3.13", toxenv: "py313"},
             {python-version: "pypy3.9", toxenv: "pypy39"},
             {python-version: "pypy3.10", toxenv: "pypy310"},
           ]
diff --git a/pyproject.toml b/pyproject.toml
index 6ec12ed5..1a07d661 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,6 +27,7 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
 ]
 requires-python = ">=3.9"
 dynamic = ["version"]
diff --git a/tox.ini b/tox.ini
index 4d80a7a4..9ebfbf35 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{39,310,311,312,py39,py310},codestyle,lint,typecheck
+envlist = py{39,310,311,312,313,py39,py310},codestyle,lint,typecheck
 
 [testenv]
 commands = pytest {posargs}