Include third-party licenses in distribution

.github/workflows/wheels.yml

@@ -17,18 +17,18 @@ jobs:
       matrix:
         include:
           # manylinux targets
+          - os: linux
+            target: x86_64
           - os: linux
             target: x86
           - os: linux
-            target: x86_64
+            target: aarch64
           - os: linux
             target: armv7
           - os: linux
             target: ppc64le
           - os: linux
             target: s390x
-          - os: linux
-            target: aarch64
 
           # musllinux targets
           - os: linux
@@ -64,11 +64,11 @@ jobs:
         with:
           python-version: '3.12'
           architecture: ${{ matrix.python-architecture || 'x64' }}
-      - run: |
-          pip install -U twine
-          sed -i ${{ (matrix.os == 'macos' && '""') || '' }} 's/build-backend = "setuptools.build_meta"/build-backend = "maturin"/' pyproject.toml
-          sed -i ${{ (matrix.os == 'macos' && '""') || '' }} 's/^requires = \["setuptools", .*]/requires = \["maturin>=1.0,<2.0"\]/' pyproject.toml
-          tail pyproject.toml
+      - run: pip install -U twine
+      - name: Generate third-party license information
+        run: |
+          cargo install cargo-3pl --version 0.1.3
+          cargo 3pl > LICENSE-THIRD-PARTY
       - name: build wheels
         uses: PyO3/maturin-action@v1
         with:
@@ -88,6 +88,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Generate third-party license information
+        run: |
+          cargo install cargo-3pl --version 0.1.3
+          cargo 3pl > LICENSE-THIRD-PARTY
       - name: Build sdist
         run: |
           pip install build twine

README.md

@@ -202,6 +202,12 @@ will help you adjust to any API changes.
 > versions. After 1.0, backwards compatibility of pickles will be maintained
 > as much as possible.
 
+## License
+
+**Whenever** is licensed under the MIT License.
+The binary wheels contain Rust dependencies which are licensed under MIT or Apache 2.0.
+These licenses are included in the wheels and source distributions.
+
 ## Acknowledgements
 
 This project is inspired by the following projects. Check them out!

pyproject.toml

@@ -89,7 +89,6 @@ find = { where = ["pysrc"] }
 # extension from source distributions.
 # However, we also use maturin to build the binary distributions (wheels)
 # since it is *very* convenient for this purpose.
-# During wheel building, we set build-backend to `maturin`
 [tool.maturin]
 python-source = "pysrc"
 module-name = "whenever._whenever"