From 393319842106e8d15b6a84253df8ef3ea268ef78 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Mon, 18 Sep 2023 20:06:35 -0400
Subject: [PATCH] test: python 3.12 (#225)

* test: add 3.12

* ci: install numpy from github

* chore: remove numpy intsall from github

* test: try skip checking msgspec

* build: add classifier
---
 .github/workflows/test.yml    | 6 +++++-
 pyproject.toml                | 1 +
 tests/test_dataclass_utils.py | 4 ++--
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index fc960d56..1f9ec33e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -51,6 +51,9 @@ jobs:
           - platform: windows-latest
             python-version: "3.11"
             pydantic: "pydantic<2"
+          - platform: ubuntu-latest
+            python-version: "3.12-dev"
+            backend: ""
 
     steps:
       - uses: actions/checkout@v4
@@ -61,11 +64,12 @@ jobs:
 
       - uses: tlambert03/setup-qt-libs@v1.4
         if: matrix.backend != ''
+
       - name: Install ${{ matrix.backend }}
+        if: matrix.backend != ''
         run: |
           python -m pip install -e .[testqt]
           python -m pip install ${{ matrix.backend }}
-        if: matrix.backend != ''
 
       - name: install
         run: |
diff --git a/pyproject.toml b/pyproject.toml
index e0d09032..b37d077b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,6 +21,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Typing :: Typed",
 ]
 dynamic = ["version"]
diff --git a/tests/test_dataclass_utils.py b/tests/test_dataclass_utils.py
index cf2b99f4..899c6576 100644
--- a/tests/test_dataclass_utils.py
+++ b/tests/test_dataclass_utils.py
@@ -7,8 +7,8 @@
 
 try:
     from msgspec import Struct
-except ImportError:
-    Struct = None
+except (ImportError, TypeError):  # type error on python 3.12-dev
+    Struct = None  # type: ignore [assignment,misc]
 
 try:
     from pydantic import __version__ as pydantic_version