Use component for python (AcademySoftwareFoundation#1643)

* Add "COMPONENT python" to install() the python bindings and tell scikit-build-core to only install the python component

Signed-off-by: Jean-Christophe Morin <jean_christophe_morin@hotmail.com>

* Update scikit-build-core to 0.8.1

Signed-off-by: Jean-Christophe Morin <jean_christophe_morin@hotmail.com>

* Fix typo

Signed-off-by: Jean-Christophe Morin <jean_christophe_morin@hotmail.com>

---------

Signed-off-by: Jean-Christophe Morin <jean_christophe_morin@hotmail.com>

pyproject.toml

@@ -2,7 +2,7 @@
 # Copyright (c) Contributors to the OpenEXR Project.
 
 [build-system]
-requires = ["scikit-build-core==0.8.0"]
+requires = ["scikit-build-core==0.8.1"]
 build-backend = "scikit_build_core.build"
 
 [project]
@@ -27,14 +27,21 @@ test = ["pytest"]
 [tool.scikit-build]
 wheel.expand-macos-universal-tags = true
 sdist.exclude = [".github", "src/test", "src/examples", "website", "ASWF", "bazel", "share"]
+
+# Only build the PyOpenEXR (cmake --build --target PyOpenEXR).
 cmake.targets = ["PyOpenEXR"]
+# Only install the "python" component (cmake --install --component python).
+# This makes sure that only files marked as "python" component are installed.
+install.components = ["python"]
+
 # Enable experimental features if any are available
 # In this case we need custom local plugin to get
 # the project version from cmake.
 experimental = true
 metadata.version.provider = "openexr_skbuild_plugin"
 metadata.version.provider-path = "./src/wrappers/python"
 
+
 [tool.scikit-build.cmake.define]
 OPENEXR_INSTALL = 'OFF'
 OPENEXR_BUILD_PYTHON = 'ON'

src/wrappers/python/CMakeLists.txt

@@ -28,8 +28,8 @@ if(SKBUILD)
   set(PYTHON_INSTALL_DIR ${SKBUILD_PLATLIB_DIR})
 endif()
 
-install(TARGETS PyOpenEXR DESTINATION ${PYTHON_INSTALL_DIR})
-install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/Imath.py DESTINATION ${PYTHON_INSTALL_DIR})
+install(TARGETS PyOpenEXR DESTINATION ${PYTHON_INSTALL_DIR} COMPONENT python)
+install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/Imath.py DESTINATION ${PYTHON_INSTALL_DIR} COMPONENT python)
 
 if(BUILD_TESTING AND OPENEXR_TEST_PYTHON)