no_std support and prebuilt binaries for Python 3.14

.github/workflows/maturin_upload_pypi.yml

@@ -1,4 +1,4 @@
-# This file is autogenerated by maturin v1.2.3
+# This file is autogenerated by maturin v1.9.6
 # To update, run
 #
 #    maturin generate-ci github
@@ -15,119 +15,151 @@ permissions:
 
 jobs:
   linux:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.platform.runner }}
     strategy:
       matrix:
-        target: [x86_64, x86, aarch64, armv7, s390x, ppc64le]
-      fail-fast: false
+        platform:
+          - runner: ubuntu-22.04
+            target: x86_64
+          - runner: ubuntu-22.04
+            target: x86
+          - runner: ubuntu-22.04
+            target: aarch64
+          - runner: ubuntu-22.04
+            target: armv7
+          - runner: ubuntu-22.04
+            target: s390x
+          - runner: ubuntu-22.04
+            target: ppc64le
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@main
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.9 - 3.13'
+          python-version: 3.x
       - name: Build wheels
         uses: PyO3/maturin-action@v1
-        env:
-          PYO3_USE_ABI3_FORWARD_COMPATIBILITY: 1
         with:
-          target: ${{ matrix.target }}
-          args: --release --out ../dist --find-interpreter
-          sccache: 'true'
+          target: ${{ matrix.platform.target }}
+          args: --release --out dist --find-interpreter
+          sccache: ${{ !startsWith(github.ref, 'refs/tags/') }}
           manylinux: auto
           working-directory: lib/
       - name: Upload wheels
         uses: actions/upload-artifact@v4
         with:
-          name: wheels-linux-${{ matrix.target }}
+          name: wheels-linux-${{ matrix.platform.target }}
+          path: dist
+
+  musllinux:
+    runs-on: ${{ matrix.platform.runner }}
+    strategy:
+      matrix:
+        platform:
+          - runner: ubuntu-22.04
+            target: x86_64
+          - runner: ubuntu-22.04
+            target: x86
+          - runner: ubuntu-22.04
+            target: aarch64
+          - runner: ubuntu-22.04
+            target: armv7
+    steps:
+      - uses: actions/checkout@main
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.x
+      - name: Build wheels
+        uses: PyO3/maturin-action@v1
+        with:
+          target: ${{ matrix.platform.target }}
+          args: --release --out dist --find-interpreter
+          sccache: ${{ !startsWith(github.ref, 'refs/tags/') }}
+          manylinux: musllinux_1_2
+          working-directory: lib/
+      - name: Upload wheels
+        uses: actions/upload-artifact@v4
+        with:
+          name: wheels-musllinux-${{ matrix.platform.target }}
           path: dist
-          if-no-files-found: error
 
   windows:
-    runs-on: windows-latest
+    runs-on: ${{ matrix.platform.runner }}
     strategy:
       matrix:
-        target: [x64, x86]
-      fail-fast: false
+        platform:
+          - runner: windows-latest
+            target: x64
+          - runner: windows-latest
+            target: x86
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@main
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.13'
-          architecture: ${{ matrix.target }}
+          python-version: 3.x
+          architecture: ${{ matrix.platform.target }}
       - name: Build wheels
         uses: PyO3/maturin-action@v1
-        env:
-          PYO3_USE_ABI3_FORWARD_COMPATIBILITY: 1
         with:
-          target: ${{ matrix.target }}
-          args: --release --out ../dist --find-interpreter
-          sccache: 'true'
+          target: ${{ matrix.platform.target }}
+          args: --release --out dist --find-interpreter
+          sccache: ${{ !startsWith(github.ref, 'refs/tags/') }}
           working-directory: lib/
       - name: Upload wheels
         uses: actions/upload-artifact@v4
         with:
-          name: wheels-windows-${{ matrix.target }}
+          name: wheels-windows-${{ matrix.platform.target }}
           path: dist
-          if-no-files-found: error
 
   macos:
-    runs-on: macos-latest
+    runs-on: ${{ matrix.platform.runner }}
     strategy:
       matrix:
-        target: [x86_64, aarch64]
-      fail-fast: false
+        platform:
+          - runner: macos-13
+            target: x86_64
+          - runner: macos-14
+            target: aarch64
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@main
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.13'
+          python-version: 3.x
       - name: Build wheels
         uses: PyO3/maturin-action@v1
-        env:
-          PYO3_USE_ABI3_FORWARD_COMPATIBILITY: 1
         with:
-          target: ${{ matrix.target }}
-          args: --release --out ../dist --find-interpreter
-          sccache: 'true'
+          target: ${{ matrix.platform.target }}
+          args: --release --out dist --find-interpreter
+          sccache: ${{ !startsWith(github.ref, 'refs/tags/') }}
           working-directory: lib/
       - name: Upload wheels
         uses: actions/upload-artifact@v4
         with:
-          name: wheels-macos-${{ matrix.target }}
+          name: wheels-macos-${{ matrix.platform.target }}
           path: dist
-          if-no-files-found: error
 
   sdist:
     runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
     steps:
-      - name: Checkout repo
-        uses: actions/checkout@v5
-
+      - uses: actions/checkout@main
       - name: Build sdist
         uses: PyO3/maturin-action@v1
-        env:
-          PYO3_USE_ABI3_FORWARD_COMPATIBILITY: 1
         with:
           command: sdist
-          args: --out ../dist
+          args: --out dist
           working-directory: lib/
-
       - name: Upload sdist
         uses: actions/upload-artifact@v4
         with:
-          name: sdist
+          name: wheels-sdist
           path: dist
-          if-no-files-found: error
 
   check_clippy_python_bindings:
     name: Check clippy for Python bindings
     runs-on: ubuntu-latest
 
     steps:
       - name: Checkout reposistory
-        uses: actions/checkout@v5
+        uses: actions/checkout@main
 
       - name: Setup Rust toolchain
         uses: dtolnay/rust-toolchain@stable
@@ -143,24 +175,26 @@ jobs:
   release:
     name: Release
     runs-on: ubuntu-latest
-    if: startsWith(github.ref, 'refs/tags/')
-    needs: [linux, windows, macos, sdist]
-    strategy:
-      fail-fast: false
+    if: ${{ startsWith(github.ref, 'refs/tags/') || github.event_name == 'workflow_dispatch' }}
+    needs: [linux, musllinux, windows, macos, sdist, check_clippy_python_bindings]
+    permissions:
+      # Use to sign the release artifacts
+      id-token: write
+      # Used to upload release artifacts
+      contents: write
+      # Used to generate artifact attestation
+      attestations: write
     steps:
       - uses: actions/download-artifact@v4
+      - name: Generate artifact attestation
+        uses: actions/attest-build-provenance@v2
         with:
-          pattern: wheels-*
-          merge-multiple: true
-      - uses: actions/download-artifact@v4
-        with:
-          name: sdist
-          merge-multiple: true
+          subject-path: 'wheels-*/*'
       - name: Publish to PyPI
+        if: ${{ startsWith(github.ref, 'refs/tags/') }}
         uses: PyO3/maturin-action@v1
         env:
-          PYO3_USE_ABI3_FORWARD_COMPATIBILITY: 1
           MATURIN_PYPI_TOKEN: ${{ secrets.PYPI_PASSWORD }}
         with:
           command: upload
-          args: --non-interactive --skip-existing *
+          args: --non-interactive --skip-existing wheels-*/*

.github/workflows/rust.yml

@@ -62,3 +62,17 @@ jobs:
       # To find current MSRV use `cargo msrv find`. Install it with `cargo install cargo-msrv --locked`
       - name: Run MSRV checker
         run: cargo hack check --rust-version --workspace --all-targets --ignore-private
+
+  msrv_no_default:
+    name: Check MSRV
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout reposistory
+        uses: actions/checkout@v5
+
+      - name: Setup MSRV checker
+        uses: taiki-e/install-action@cargo-hack
+
+      # To find current MSRV use `cargo msrv find`. Install it with `cargo install cargo-msrv --locked`
+      - name: Run MSRV checker
+        run: cargo hack check --rust-version --workspace --all-targets --ignore-private --no-default-features

CHANGELOG.md

@@ -7,6 +7,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.6.0] - 2025-10-11
+
+### Added
+
+- `no_std` support.
+  - `alloc` is still required.
+- Prebuilt binaries for Python 3.14.
+
 ## [0.5.4] - 2024-12-15
 
 ### Fixed
@@ -101,7 +109,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Python bindings.
 - C bindings.
 
-[unreleased]: https://github.com/decompals/crunch64/compare/0.5.1...HEAD
+[unreleased]: https://github.com/decompals/crunch64/compare/0.6.0...HEAD
+[0.6.0]: https://github.com/decompals/crunch64/compare/0.5.3...0.6.0
 [0.5.3]: https://github.com/decompals/crunch64/compare/0.5.2...0.5.3
 [0.5.2]: https://github.com/decompals/crunch64/compare/0.5.1...0.5.2
 [0.5.1]: https://github.com/decompals/crunch64/compare/0.5.0...0.5.1