add windows arm64 build

Author: evertlammerts

.github/workflows/packaging_wheels.yml

@@ -33,6 +33,7 @@ jobs:
         python: [ cp39, cp310, cp311, cp312, cp313, cp314 ]
         platform:
           - { os: windows-2025,     arch: amd64,      cibw_system: win }
+          - { os: windows-11-arm,   arch: ARM64,      cibw_system: win } # cibw requires ARM64 to be uppercase
           - { os: ubuntu-24.04,     arch: x86_64,     cibw_system: manylinux }
           - { os: ubuntu-24.04-arm, arch: aarch64,    cibw_system: manylinux }
           - { os: macos-15,         arch: arm64,      cibw_system: macosx }

.github/workflows/targeted_test.yml

@@ -9,6 +9,7 @@ on:
         type: choice
         options:
           - 'windows-2025'
+          - 'windows-11-arm'
           - 'ubuntu-24.04'
           - 'ubuntu-24.04-arm'
           - 'macos-15'

pyproject.toml

@@ -197,13 +197,15 @@ environments = [ # no need to resolve packages beyond these platforms with uv...
     "python_version >= '3.9' and sys_platform == 'darwin' and platform_machine == 'arm64'",
     "python_version >= '3.9' and sys_platform == 'darwin' and platform_machine == 'x86_64'",
     "python_version >= '3.9' and sys_platform == 'win32' and platform_machine == 'AMD64'",
+    "python_version >= '3.9' and sys_platform == 'win32' and platform_machine == 'ARM64'",
     "python_version >= '3.9' and sys_platform == 'linux' and platform_machine == 'x86_64'",
     "python_version >= '3.9' and sys_platform == 'linux' and platform_machine == 'aarch64'",
 ]
 required-environments = [ # ... but do always resolve for all of them
     "python_version >= '3.9' and sys_platform == 'darwin' and platform_machine == 'arm64'",
     "python_version >= '3.9' and sys_platform == 'darwin' and platform_machine == 'x86_64'",
     "python_version >= '3.9' and sys_platform == 'win32' and platform_machine == 'AMD64'",
+    "python_version >= '3.9' and sys_platform == 'win32' and platform_machine == 'ARM64'",
     "python_version >= '3.9' and sys_platform == 'linux' and platform_machine == 'x86_64'",
     "python_version >= '3.9' and sys_platform == 'linux' and platform_machine == 'aarch64'",
 ]
@@ -249,10 +251,10 @@ test = [ # dependencies used for running tests
     "fsspec>=2022.11.0",
     "pandas>=2.0.0",
     "pyarrow>=18.0.0",
-    "torch>=2.2.2; python_version < '3.14' and ( sys_platform != 'darwin' or platform_machine != 'x86_64' or python_version < '3.13' )",
+    "torch>=2.2.2; python_version < '3.14' and ( sys_platform != 'darwin' or platform_machine != 'x86_64' or python_version < '3.13' ) and ( sys_platform != 'win32' or platform_machine != 'ARM64' or python_version > '3.11' )",
     "tensorflow==2.14.0; sys_platform == 'darwin' and python_version < '3.12'",
     "tensorflow-cpu>=2.14.0; sys_platform == 'linux' and platform_machine != 'aarch64' and python_version < '3.12'",
-    "tensorflow-cpu>=2.14.0; sys_platform == 'win32' and python_version < '3.12'",
+    "tensorflow-cpu>=2.14.0; sys_platform == 'win32' and platform_machine != 'ARM64' and python_version < '3.12'",
     "tensorflow-cpu-aws==2.15.1; sys_platform == 'linux' and platform_machine == 'aarch64' and python_version < '3.12'",
     "numpy<2; python_version < '3.12'",
     "numpy>=2; python_version >= '3.12'",