Feat/enable free threaded python

.github/workflows/build-with-clang.yml

@@ -49,13 +49,13 @@ jobs:
           architecture: x64
 
       - name: Checkout repo
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
 
       - name: Install mkl-service dependencies
         run: |
-          pip install meson-python cython cmake ninja
+          pip install meson-python "cython>=3.1.0" cmake ninja
 
       - name: List oneAPI folder content
         run: ls ${{ env.ONEAPI_ROOT }}/compiler

.github/workflows/build-with-standard-clang.yml

@@ -46,7 +46,7 @@ jobs:
 
       - name: Install mkl-service dependencies
         run: |
-          pip install meson-python cython cmake ninja mkl-devel
+          pip install meson-python "cython>=3.1.0" cmake ninja mkl-devel
 
       - name: Build mkl-service
         run: |

.github/workflows/build_pip.yml

@@ -42,7 +42,7 @@ jobs:
 
       - name: Build conda package
         run: |
-          pip install --no-cache-dir meson-python ninja cmake cython
+          pip install --no-cache-dir meson-python ninja cmake "cython>=3.1.0"
           pip install -e ".[test]" --no-build-isolation --verbose
           pip list
           python -m pytest -v mkl/tests

.github/workflows/conda-package-cf.yml

@@ -29,7 +29,7 @@ jobs:
         with:
           access_token: ${{ github.token }}
 
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
 
@@ -98,7 +98,7 @@ jobs:
         with:
           access_token: ${{ github.token }}
 
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
       - uses: conda-incubator/setup-miniconda@8ee1f361103df19b6f8c8655fd3967a8ecb162d5 # v4.0.1
@@ -326,7 +326,7 @@ jobs:
         with:
           access_token: ${{ github.token }}
 
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
 

.github/workflows/conda-package.yml

@@ -29,7 +29,7 @@ jobs:
         with:
           access_token: ${{ github.token }}
 
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
 
@@ -98,7 +98,7 @@ jobs:
         with:
           access_token: ${{ github.token }}
 
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
       - uses: conda-incubator/setup-miniconda@8ee1f361103df19b6f8c8655fd3967a8ecb162d5 # v4.0.1

.github/workflows/openssf-scorecard.yml

@@ -34,7 +34,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           persist-credentials: false
 
@@ -69,6 +69,6 @@ jobs:
 
       # Upload the results to GitHub's code scanning dashboard.
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@68bde559dea0fdcac2102bfdf6230c5f70eb485e # v4.35.4
+        uses: github/codeql-action/upload-sarif@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v4.36.2
         with:
           sarif_file: results.sarif

.github/workflows/pre-commit-autoupdate.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Checkout mkl-service repo
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Set up python
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0

.github/workflows/pre-commit.yml

@@ -13,7 +13,7 @@ jobs:
     timeout-minutes: 30
     steps:
     - name: Checkout repo
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       with:
         # use commit hash to make "no-commit-to-branch" check passing
         ref: ${{ github.sha }}

.pre-commit-config.yaml

@@ -44,7 +44,7 @@ repos:
     - tomli
 
 - repo: https://github.com/psf/black
-  rev: 26.3.1
+  rev: 26.5.1
   hooks:
   - id: black
     exclude: "_vendored/conv_template.py"

conda-recipe-cf/meta.yaml

@@ -24,15 +24,13 @@ requirements:
       - cmake
       - ninja
       - python
-      - python-gil     # [py>=314]
       - pip >=25.0
       - mkl-devel  # [not osx]
       - mkl-devel <2024 # [osx]
-      - cython
+      - cython >=3.1.0
       - wheel >=0.45.1
     run:
       - python
-      - python-gil     # [py>=314]
       - {{ pin_compatible('mkl') }}
 
 test:

conda-recipe/meta.yaml

@@ -23,15 +23,13 @@ requirements:
       - cmake
       - ninja
       - python
-      - python-gil     # [py>=314]
       - python-build
       - pip >=25.0
       - mkl-devel
-      - cython
+      - cython >=3.1.0
       - wheel >=0.45.1
     run:
       - python
-      - python-gil     # [py>=314]
       - {{ pin_compatible('mkl') }}
 
 test:

mkl/_mklinitmodule.c

@@ -200,6 +200,12 @@ PyMODINIT_FUNC PyInit__mklinit(void)
         return NULL;
     }
 
+#ifdef Py_GIL_DISABLED
+    /* Declare that this module supports running without the GIL so the
+     * free-threaded interpreter does not re-enable it on import. */
+    PyUnstable_Module_SetGIL(m, Py_MOD_GIL_NOT_USED);
+#endif
+
     return m;
 }
 #else

mkl/_py_mkl_service.pyx

@@ -25,6 +25,7 @@
 
 # distutils: language = c
 # cython: language_level=3
+# cython: freethreading_compatible=True
 
 import numbers
 import warnings

pyproject.toml

@@ -28,7 +28,7 @@ build-backend = "mesonpy"
 requires = [
   "meson-python>=0.13.0",
   "ninja",
-  "Cython",
+  "Cython>=3.1.0",
   "mkl-devel",
   "cmake"
 ]