Support building wheels (using scikit-build-core)

  Also renames panda3d.interrogatedb module to interrogatedb

Author: rdb

cmake/macros/Python.cmake

@@ -22,17 +22,20 @@ function(add_python_target target)
     return()
   endif()
 
-  string(REGEX REPLACE "^.*\\." "" basename "${target}")
   set(sources)
-  set(component "Python")
-  set(export "Python")
+  set(component "python_modules")
+  set(export "python_modules")
+  set(module_name "${target}")
   foreach(arg ${ARGN})
     if(arg STREQUAL "COMPONENT")
       set(keyword "component")
 
     elseif(arg STREQUAL "EXPORT")
       set(keyword "export")
 
+    elseif(arg STREQUAL "MODULE_NAME")
+      set(keyword "module_name")
+
     elseif(keyword)
       set(${keyword} "${arg}")
       unset(keyword)
@@ -43,7 +46,8 @@ function(add_python_target target)
     endif()
   endforeach(arg)
 
-  string(REGEX REPLACE "\\.[^.]+$" "" namespace "${target}")
+  string(REGEX REPLACE "^.*\\." "" basename "${module_name}")
+  string(REGEX REPLACE "\\.[^.]+$" "" namespace "${module_name}")
   string(REPLACE "." "/" slash_namespace "${namespace}")
 
   if(CMAKE_VERSION VERSION_LESS "3.26")
@@ -57,7 +61,7 @@ function(add_python_target target)
     endif()
   endif()
 
-  if(BUILD_SHARED_LIBS)
+  if(NOT MODULE_TYPE STREQUAL "STATIC")
     set(_outdir "${PANDA_OUTPUT_DIR}/${slash_namespace}")
 
     set_target_properties(${target} PROPERTIES

pyproject.toml

@@ -0,0 +1,39 @@
+[build-system]
+requires = [
+    "scikit-build-core>=0.9",
+]
+build-backend = "scikit_build_core.build"
+
+[project]
+name = "panda3d-interrogate"
+version = "0.0.1"
+description = "Binding generator designed for Panda3D"
+readme = "README.md"
+requires-python = ">=3.2"
+license = { "file" = "LICENSE" }
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: BSD License",
+    "Operating System :: OS Independent",
+    "Programming Language :: C++",
+]
+
+[project.urls]
+Source = "https://github.com/panda3d/interrogate"
+Tracker = "https://github.com/panda3d/interrogate/issues"
+Funding = "https://opencollective.com/panda3d"
+
+[project.scripts]
+interrogate = "interrogate:main"
+interrogate_module = "interrogate_module:main"
+
+[tool.scikit-build]
+cmake.version = ">=3.13"
+cmake.args = ["-DBUILD_SHARED_LIBS=OFF", "-DHAVE_PYTHON=ON", "-DPYTHON_ARCH_INSTALL_DIR=."]
+wheel.py-api = "cp32"
+install.components = ["tools", "python_modules"]
+
+[tool.scikit-build.wheel.packages]
+interrogate = "python/interrogate"
+interrogate_module = "python/interrogate_module"

python/interrogate/__init__.py

@@ -0,0 +1,14 @@
+import os
+import subprocess
+import sys
+
+
+def _get_executable(name):
+    return os.path.join(os.path.dirname(__file__), name)
+
+def _run(name):
+    executable = _get_executable(name)
+    return subprocess.call([executable] + sys.argv[1:])
+
+def main():
+    raise SystemExit(_run("interrogate"))

python/interrogate/__main__.py

@@ -0,0 +1,3 @@
+from . import main
+
+main()

python/interrogate_module/__init__.py

@@ -0,0 +1,14 @@
+import os
+import subprocess
+import sys
+
+
+def _get_executable(name):
+    return os.path.join(os.path.dirname(__file__), name)
+
+def _run(name):
+    executable = _get_executable(name)
+    return subprocess.call([executable] + sys.argv[1:])
+
+def main():
+    raise SystemExit(_run("interrogate_module"))

python/interrogate_module/__main__.py

@@ -0,0 +1,3 @@
+from . import main
+
+main()

src/LocalSetup.cmake

@@ -36,7 +36,7 @@ if(BUILD_SHARED_LIBS)
 
 else()
   set(LINK_ALL_STATIC ON)
-  set(MODULE_TYPE "STATIC"
+  set(MODULE_TYPE "MODULE"
     CACHE INTERNAL "" FORCE)
 
 endif()

src/interrogate/CMakeLists.txt

@@ -119,5 +119,10 @@ else()
 
 endif()
 
-install(TARGETS interrogate interrogate_module DESTINATION ${CMAKE_INSTALL_BINDIR})
-install(FILES ${INTERROGATE_HEADERS} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/panda3d)
+if(SKBUILD)
+  install(TARGETS interrogate COMPONENT tools DESTINATION interrogate)
+  install(TARGETS interrogate_module COMPONENT tools DESTINATION interrogate_module)
+else()
+  install(TARGETS interrogate interrogate_module COMPONENT tools DESTINATION ${CMAKE_INSTALL_BINDIR})
+  install(FILES ${INTERROGATE_HEADERS} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/panda3d)
+endif()

src/interrogatedb/CMakeLists.txt

@@ -59,7 +59,7 @@ add_custom_command(
   COMMAND host_interrogate
     -D EXPCL_INTERROGATEDB=
     -nodb -python -promiscuous
-    -module panda3d.interrogatedb
+    -module interrogatedb
     -library interrogatedb
     -string -true-names -do-module
     -srcdir "${CMAKE_CURRENT_SOURCE_DIR}"
@@ -69,6 +69,7 @@ add_custom_command(
   DEPENDS host_interrogate ${INTERROGATEDB_IGATE}
   COMMENT "Interrogating interrogatedb")
 
-add_python_target(panda3d.interrogatedb
+add_python_target(interrogatedb_module
+  MODULE_NAME interrogatedb
   "${CMAKE_CURRENT_BINARY_DIR}/interrogatedb_module.cxx")
-target_link_libraries(panda3d.interrogatedb PRIVATE interrogatedb)
+target_link_libraries(interrogatedb_module PRIVATE interrogatedb)