From b7ae5b3e08c6a3cc92c761f9e678ffacdd7dc93a Mon Sep 17 00:00:00 2001
From: Jendrik Seipp <jendrikseipp@gmail.com>
Date: Tue, 1 Oct 2024 20:55:35 +0200
Subject: [PATCH] Add support for Python 3.13. (#369)

---
 .github/workflows/main.yml |  3 ++-
 CHANGELOG.md               |  1 +
 setup.py                   |  1 +
 tests/__init__.py          |  5 ++++-
 tox.ini                    | 10 +++++-----
 5 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d2a1d119..812f811a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-latest, ubuntu-latest, windows-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
 
     steps:
     - name: Checkout code
@@ -26,6 +26,7 @@ jobs:
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
+        allow-prereleases: true
 
     - name: Install dependencies
       run: |
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 03509bd7..d62b1398 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 # 2.13 (unreleased)
 
+* Add support for Python 3.13 (Jendrik Seipp, #369).
 * Add PyPI and conda-forge badges to README file (Trevor James Smith, #356).
 * Include `tests/**/*.toml` in sdist (Colin Watson).
 
diff --git a/setup.py b/setup.py
index d9187eac..e9a453f8 100644
--- a/setup.py
+++ b/setup.py
@@ -46,6 +46,7 @@ def find_version(*parts):
         "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 :: Quality Assurance",
diff --git a/tests/__init__.py b/tests/__init__.py
index 58e1da85..c54b3877 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -8,7 +8,10 @@
 
 REPO = pathlib.Path(__file__).resolve().parents[1]
 WHITELISTS = [
-    str(path) for path in (REPO / "vulture" / "whitelists").glob("*.py")
+    str(path)
+    for path in (REPO / "vulture" / "whitelists").glob("*.py")
+    # Pint is incompatible with Python 3.13 (https://github.com/hgrecco/pint/issues/1969).
+    if sys.version_info < (3, 13) or path.name != "pint_whitelist.py"
 ]
 
 
diff --git a/tox.ini b/tox.ini
index 4ca649a9..3d363561 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,20 +1,20 @@
 [tox]
-envlist = cleanup, py{38,310,311,312}, style  # Skip py39 since it chokes on distutils.
+envlist = cleanup, py{38,310,311,312,313}, style  # Skip py39 since it chokes on distutils.
 skip_missing_interpreters = true
 
 # Erase old coverage results, then accumulate them during this tox run.
 [testenv:cleanup]
 deps =
-  coverage==7.0.5
+  coverage
 commands =
   coverage erase
 
 [testenv]
 deps =
-  coverage==7.0.5
+  coverage
   pint  # Use latest version to catch API changes.
-  pytest==7.4.2
-  pytest-cov==4.0.0
+  pytest
+  pytest-cov
 commands =
   pytest {posargs}
 # Install package as wheel in all envs (https://hynek.me/articles/turbo-charge-tox/).