build on Python 3.13

Author: davidhewitt

.github/workflows/ci.yml

@@ -68,6 +68,7 @@ jobs:
           - '3.10'
           - '3.11'
           - '3.12'
+          - '3.13'
           - 'pypy3.9'
           - 'pypy3.10'
 
@@ -88,6 +89,7 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
 
       - run: pip install -r tests/requirements.txt
 
@@ -411,15 +413,15 @@ jobs:
           - os: linux
             manylinux: auto
             target: armv7
-            interpreter: 3.8 3.9 3.10 3.11 3.12
+            interpreter: 3.8 3.9 3.10 3.11 3.12 3.13
           - os: linux
             manylinux: auto
             target: ppc64le
-            interpreter: 3.8 3.9 3.10 3.11 3.12
+            interpreter: 3.8 3.9 3.10 3.11 3.12 3.13
           - os: linux
             manylinux: auto
             target: s390x
-            interpreter: 3.8 3.9 3.10 3.11 3.12
+            interpreter: 3.8 3.9 3.10 3.11 3.12 3.13
           - os: linux
             manylinux: auto
             target: x86_64
@@ -452,11 +454,11 @@ jobs:
           - os: windows
             target: i686
             python-architecture: x86
-            interpreter: 3.8 3.9 3.10 3.11 3.12
+            interpreter: 3.8 3.9 3.10 3.11 3.12 3.13
           # FIXME aarch64 builds broken, see https://github.com/PyO3/maturin/issues/2110
           # - os: windows
           #   target: aarch64
-          #   interpreter: 3.11 3.12
+          #   interpreter: 3.11 3.12 3.13
 
         exclude:
           # See above; disabled for now.
@@ -483,7 +485,7 @@ jobs:
         with:
           target: ${{ matrix.target }}
           manylinux: ${{ matrix.manylinux }}
-          args: --release --out dist --interpreter ${{ matrix.interpreter || '3.8 3.9 3.10 3.11 3.12 pypy3.9 pypy3.10' }}
+          args: --release --out dist --interpreter ${{ matrix.interpreter || '3.8 3.9 3.10 3.11 3.12 3.13 pypy3.9 pypy3.10' }}
           rust-toolchain: stable
           docker-options: -e CI
 
@@ -504,7 +506,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [linux, windows, macos]
-        interpreter: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        interpreter: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
         include:
           # standard runners with override for macos arm
           - os: linux
@@ -529,6 +531,7 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.interpreter }}
+          allow-prereleases: true
 
       - name: install rust stable
         id: rust-toolchain