Update to Python 3.13+ support, focus on freethreaded version

- Change minimum Python version to 3.13
- Remove support for Python 3.10-3.12 and PyPy
- Update CI matrix to test 3.13t, 3.14, 3.14t, 3.15.0-alpha.1
- Update classifiers to reflect supported versions
- Upgrade code syntax with pyupgrade for 3.13+
- Update lint job to use Python 3.13
- Update AGENT.md documentation

Amp-Thread-ID: https://ampcode.com/threads/T-df26d9ea-141e-401a-b305-46bb4870f559
Co-authored-by: Amp <[email protected]>

Author: vinitkumar

.github/workflows/pythonpackage.yml

@@ -28,7 +28,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [pypy-3.10, pypy-3.11, '3.10', '3.11', '3.12', '3.13', '3.14', '3.14t', '3.15.0-alpha.1']
+        python-version: ['3.13t', '3.14', '3.14t', '3.15.0-alpha.1']
         os: [
           ubuntu-latest,
           windows-latest,
@@ -98,10 +98,10 @@ jobs:
       with:
         persist-credentials: false
 
-    - name: Set up Python 3.12
+    - name: Set up Python 3.13
       uses: actions/[email protected]
       with:
-        python-version: '3.12'
+        python-version: '3.13'
 
     - name: Install uv
       uses: astral-sh/setup-uv@v6

AGENT.md

@@ -9,7 +9,7 @@
 - Clean artifacts: `make clean`
 
 ## Architecture
-- Main module: `json2xml/` with `json2xml.py` (main converter), `dicttoxml.py` (core conversion), `utils.py` (utilities)
+- Main module: `json2xml/` with `json2xml.py` (main converter), `dicttoxml.py` (core conversion), `utils.py` (utilities), `parallel.py` (parallel processing)
 - Core functionality: JSON to XML conversion via `Json2xml` class wrapping `dicttoxml`
 - Tests: `tests/` with test files following `test_*.py` pattern
 
@@ -18,5 +18,5 @@
 - Use pytest (no unittest), all tests in `./tests/` with typing annotations
 - Import typing fixtures when TYPE_CHECKING: `CaptureFixture`, `FixtureRequest`, `LogCaptureFixture`, `MonkeyPatch`, `MockerFixture`
 - Ruff formatting: line length 119, ignores E501, F403, E701, F401
-- Python 3.10+ required, supports up to 3.14 (including 3.14t freethreaded)
+- Python 3.13+ required, supports up to 3.14 (including 3.13t, 3.14t freethreaded)
 - Dependencies: defusedxml, urllib3, xmltodict, pytest, pytest-cov

pyproject.toml

@@ -7,7 +7,7 @@ name = "json2xml"
 version = "5.2.1"  # Replace with the dynamic version if needed
 description = "Simple Python Library to convert JSON to XML"
 readme = "README.rst"
-requires-python = ">=3.10"
+requires-python = ">=3.13"
 license = { text = "Apache Software License 2.0" }
 keywords = ["json2xml"]
 authors = [
@@ -18,13 +18,9 @@ classifiers = [
     "Intended Audience :: Developers",
     "License :: OSI Approved :: Apache Software License",
     "Natural Language :: English",
-    "Programming Language :: Python :: 3.10",
-    "Programming Language :: Python :: 3.11",
-    "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3.14",
     "Programming Language :: Python :: Implementation :: CPython",
-    "Programming Language :: Python :: Implementation :: PyPy",
     "Topic :: Software Development :: Libraries :: Python Modules"
 ]
 dependencies = [

tests/test_parallel.py

@@ -1,5 +1,6 @@
 """Tests for parallel processing functionality."""
-from typing import TYPE_CHECKING, Any, Sequence, cast
+from typing import TYPE_CHECKING, Any, cast
+from collections.abc import Sequence
 
 import pytest