Add free-threaded Python 3.14t to the testing (#3348)

https://hugovk.dev/blog/2025/free-threaded-python-on-github-actions

Author: A5rocks

.github/workflows/ci.yml

@@ -33,12 +33,12 @@ jobs:
 
     steps:
       - name: Switch to using Python 3.11
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: 3.11
 
       - name: Grab the source from Git
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           persist-credentials: false
 
@@ -74,7 +74,7 @@ jobs:
           SDIST: ${{ steps.artifact-name.outputs.sdist }}
           WHEEL: ${{ steps.artifact-name.outputs.wheel }}
       - name: Store the distribution packages
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: ${{ env.dists-artifact-name }}
           # NOTE: Exact expected file names are specified here
@@ -104,7 +104,7 @@ jobs:
 
       - name: >-
           Smoke-test: grab the source from Git into git-src
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: git-src
           persist-credentials: false
@@ -155,7 +155,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: ['3.10', '3.11', '3.12', '3.13', '3.14']
+        python: ['3.10', '3.11', '3.12', '3.13', '3.14', '3.14t']
         arch: ['x86', 'x64']
         lsp: ['']
         lsp_extract_file: ['']
@@ -197,8 +197,8 @@ jobs:
         with:
           source-tarball-name: ${{ needs.build.outputs.sdist-artifact-name }}
           workflow-artifact-name: ${{ env.dists-artifact-name }}
-      - name: Setup python
-        uses: actions/setup-python@v5
+      - name: Setup Python
+        uses: actions/setup-python@v6
         with:
           python-version: '${{ matrix.python }}'
           architecture: '${{ matrix.arch }}'
@@ -228,7 +228,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: ['pypy-3.11', '3.10', '3.11', '3.12', '3.13', '3.14']
+        python: ['pypy-3.11', '3.10', '3.11', '3.12', '3.13', '3.14', '3.14t']
         check_formatting: ['0']
         no_test_requirements: ['0']
         extra_name: ['']
@@ -261,8 +261,8 @@ jobs:
         uses: actions/checkout@v4
         with:
           persist-credentials: false
-      - name: Setup python
-        uses: actions/setup-python@v5
+      - name: Setup Python
+        uses: actions/setup-python@v6
         with:
           python-version: '${{ matrix.python }}'
           cache: pip
@@ -301,7 +301,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: ['pypy-3.11', '3.10', '3.11', '3.12', '3.13', '3.14']
+        python: ['pypy-3.11', '3.10', '3.11', '3.12', '3.13', '3.14', '3.14t']
     continue-on-error: >-
       ${{
         (
@@ -317,8 +317,8 @@ jobs:
         with:
           source-tarball-name: ${{ needs.build.outputs.sdist-artifact-name }}
           workflow-artifact-name: ${{ env.dists-artifact-name }}
-      - name: Setup python
-        uses: actions/setup-python@v5
+      - name: Setup Python
+        uses: actions/setup-python@v6
         with:
           python-version: '${{ matrix.python }}'
           cache: pip
@@ -406,8 +406,8 @@ jobs:
         with:
           source-tarball-name: ${{ needs.build.outputs.sdist-artifact-name }}
           workflow-artifact-name: ${{ env.dists-artifact-name }}
-      - name: Setup python
-        uses: actions/setup-python@v5
+      - name: Setup Python
+        uses: actions/setup-python@v6
         with:
             python-version: '${{ matrix.python }}'
             cache: pip

test-requirements.in

@@ -11,8 +11,7 @@ cryptography>=41.0.0  # cryptography<41 segfaults on pypy3.10
 
 # Tools
 black; implementation_name == "cpython"
-mypy  # Would use mypy[faster-cache], but orjson has build issues on pypy
-orjson; implementation_name == "cpython"  # orjson does not yet install on 3.14
+mypy
 ruff >= 0.8.0
 astor          # code generation
 uv >= 0.2.24

test-requirements.txt

@@ -88,8 +88,6 @@ nodeenv==1.9.1
     # via
     #   pre-commit
     #   pyright
-orjson==3.11.3 ; implementation_name == 'cpython'
-    # via -r test-requirements.in
 outcome==1.3.0.post0
     # via -r test-requirements.in
 packaging==25.0