feat: support Python 3.12

.github/CODEOWNERS

@@ -1 +1 @@
-* @kenany
+* @crowdstrike/aidr-python-CS-Maintainers

.github/workflows/ci.yml

@@ -107,3 +107,32 @@ jobs:
 
       - name: ruff format
         run: uv run ruff format --check .
+
+  test:
+    runs-on: ubuntu-24.04
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.12", "3.13"]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+
+      - run: npm install -g corepack
+      - run: corepack enable pnpm
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@85856786d1ce8acfbcc2f13a5f3fbd6b938f9f41 # v7.1.2
+        with:
+          enable-cache: true
+
+      - name: Setup Python
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: uv sync --all-extras --dev
+
+      - name: Test
+        run: ./scripts/test

.python-version

@@ -1 +1 @@
-3.13
+3.12

README.md

@@ -10,7 +10,7 @@ pip install crowdstrike-aidr
 
 ## Requirements
 
-Python v3.13 or greater.
+Python v3.12 or greater.
 
 ## Usage
 

flake.nix

@@ -15,13 +15,16 @@
       shell = {pkgs ? import <nixpkgs>}:
         pkgs.mkShellNoCC {
           packages = with pkgs; [
-            python313
+            pnpm
+            python312
             uv
           ];
 
           env = {};
 
-          shellHook = '''';
+          shellHook = ''
+            uv sync --all-extras --dev
+          '';
         };
     };
 }

pyproject.toml

@@ -10,6 +10,7 @@ authors = [
 classifiers = [
   "Typing :: Typed",
   "Intended Audience :: Developers",
+  "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
   "Operating System :: OS Independent",
@@ -21,7 +22,7 @@ classifiers = [
   "License :: OSI Approved :: Apache Software License"
 ]
 
-requires-python = ">=3.13"
+requires-python = ">=3.12"
 
 dependencies = [
   "httpx ~=0.28.1",
@@ -42,7 +43,7 @@ requires = ["uv_build ==0.9.13"]
 build-backend = "uv_build"
 
 [tool.mypy]
-python_version = "3.13"
+python_version = "3.12"
 color_output = true
 error_summary = true
 implicit_reexport = false
@@ -58,7 +59,7 @@ warn_required_dynamic_aliases = true
 
 [tool.ruff]
 line-length = 120
-target-version = "py313"
+target-version = "py312"
 
 [tool.ruff.lint]
 select = [

scripts/test

@@ -8,4 +8,3 @@ pnpx start-server-and-test --expect 404 \
   "pnpx @stoplight/prism-cli mock -d --json-schema-faker-fillProperties=false ./specs/ai-guard.openapi.json" \
   4010 \
   "uv run pytest tests/test_ai_guard.py"
-

src/crowdstrike_aidr/_utils.py

@@ -2,9 +2,10 @@
 
 import typing
 from collections.abc import Mapping
-from typing import Annotated, Any, TypeGuard, TypeIs, Union, cast, get_args, get_origin, overload
+from typing import Annotated, Any, TypeGuard, Union, cast, get_args, get_origin, overload
 
 import typing_extensions
+from typing_extensions import TypeIs
 
 from ._types import NotGiven, Omit
 

tests/utils.py

@@ -3,11 +3,12 @@
 import traceback
 import typing
 from datetime import datetime
-from typing import TYPE_CHECKING, Any, Literal, TypeGuard, TypeIs, TypeVar, assert_type, cast, get_origin
+from typing import TYPE_CHECKING, Any, Literal, TypeGuard, TypeVar, assert_type, cast, get_origin
 
 import typing_extensions
 from pydantic import AwareDatetime, BaseModel
 from pydantic.v1.typing import get_args, is_union
+from typing_extensions import TypeIs
 
 from crowdstrike_aidr._utils import extract_type_arg, is_annotated_type