free-threaded python support

.github/workflows/tests.yml

@@ -17,15 +17,15 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.12', '3.13', '3.14']
+        python-version: ['3.13', '3.14', '3.13t', '3.14t']
+    env:
+      UV_PYTHON: ${{ matrix.python-version }}
 
     steps:
       - uses: actions/checkout@v5
       - name: Install uv
         uses: astral-sh/setup-uv@v9.0.0
-      - name: Set up Python ${{ matrix.python-version }}
-        run: uv venv --python ${{ matrix.python-version }}
-      - name: Install dependencies
-        run: uv pip install ".[tests]"
+      - name: Install the project and its test dependencies
+        run: uv sync --extra tests
       - name: Test with pytest
-        run: uv run pytest tests/
+        run: uv run --extra tests pytest tests/

.github/workflows/wheels.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Build wheels
         uses: pypa/cibuildwheel@v4.1.1
         env:
-          CIBW_BUILD: "cp312-* cp313-* cp314-*"
+          CIBW_BUILD: "cp313-* cp314-* cp314t-*"
           CIBW_ARCHS_LINUX: x86_64
           CIBW_ARCHS_MACOS: arm64
           CIBW_TEST_REQUIRES: pytest requests sortedcontainers

CHANGES.md

@@ -2,6 +2,7 @@
 
 ### 1.1.0
  * Update: Remove FTX checksum support
+ * Feature: free-thread python (3.13+) support
 
 ### 1.0.2 (2026-08-15)
  * Feature: Bitfinex checksum support for L3 books

README.md

@@ -1,7 +1,7 @@
 # Orderbook
 
 [![License](https://img.shields.io/badge/license-GPLv3-blue.svg)](LICENSE)
-![Python](https://img.shields.io/badge/Python-3.12+-green.svg)
+![Python](https://img.shields.io/badge/Python-3.13+-green.svg)
 [![PyPi](https://img.shields.io/badge/PyPi-order--book-brightgreen)](https://pypi.python.org/pypi/order-book)
 ![coverage-lines](https://img.shields.io/badge/coverage%3A%20lines-88.5%25-blue)
 ![coverage-functions](https://img.shields.io/badge/coverage%3A%20functions-100%25-blue)
@@ -12,7 +12,7 @@ A ***fast*** L2/L3 orderbook data structure, in C, for Python
 
 ### Installation
 
-Python 3.12+ supported. In general, [uv](https://docs.astral.sh/uv/) is preferred and will be utilized throughout this document.
+Python 3.13+ supported. [uv](https://docs.astral.sh/uv/) is preferred and will be utilized throughout this document.
 
 To add it to a project `uv add order-book` or, to install it into an environment directly, `uv pip install order-book`
 
@@ -231,6 +231,7 @@ print(ob.to_dict(from_type=str, to_type=float))
 * Sides maintained in correct order
 * Can perform orderbook checksums
 * Supports max depth and depth truncation
+* Free-threaded Python support
 
 
 

build-wheels-macos.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-PY_VERS="3.12 3.13 3.14"
+PY_VERS="3.13 3.14 3.14t"
 DEST="./wheelhouse"
 
 for V in ${PY_VERS}; do

build-wheels.sh

@@ -2,7 +2,7 @@
 # Do not run manually (runs in the docker container). use wheels.sh to launch it
 set -e -x
 
-py_vers=("/opt/python/cp312-cp312/bin" "/opt/python/cp313-cp313/bin" "/opt/python/cp314-cp314/bin")
+py_vers=("/opt/python/cp313-cp313/bin" "/opt/python/cp314-cp314/bin" "/opt/python/cp314-cp314t/bin")
 
 rm -rf /tmp/wheelhouse
 mkdir -p /tmp/wheelhouse

coverage.sh

@@ -10,7 +10,7 @@ uv build --wheel --python .venv/bin/python
 uv pip install --reinstall dist/*.whl pytest requests sortedcontainers
 
 # produces the coverage data
-uv run pytest tests/
+uv run --no-sync pytest tests/
 
 cd build/temp*
 lcov -c --directory . --output-file all.info