File lensfun-pr2256-setuptools.patch of Package lensfun

From 7df6795e5d0fa768132dfce78148b363566de473 Mon Sep 17 00:00:00 2001
From: Jonas Ott <git@jonas-ott.de>
Date: Sun, 28 Jul 2024 21:54:37 +0200
Subject: [PATCH 1/2] stop deprecated direct call of setup.py, install python
 build in workflows


Index: lensfun-0.3.4/apps/CMakeLists.txt
===================================================================
--- lensfun-0.3.4.orig/apps/CMakeLists.txt
+++ lensfun-0.3.4/apps/CMakeLists.txt
@@ -1,14 +1,13 @@
-IF(WIN32)
-  SET(COMMON_LIBS getopt)
-ENDIF()
-
 IF(BUILD_LENSTOOL)
-    FIND_PACKAGE(PNG REQUIRED)
-    INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
-    INCLUDE_DIRECTORIES(${PNG_INCLUDE_DIR})
-    INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
+    INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIRS})
+    INCLUDE_DIRECTORIES(${PNG_INCLUDE_DIRS})
+    INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIRS})
     ADD_EXECUTABLE(lenstool lenstool/lenstool.cpp lenstool/image.cpp)
-    TARGET_LINK_LIBRARIES(lenstool lensfun ${COMMON_LIBS} ${PNG_LIBRARY} ${ZLIB_LIBRARY})
+    TARGET_COMPILE_DEFINITIONS(lenstool PRIVATE -Dauxfun_EXPORTS)
+    TARGET_LINK_LIBRARIES(lenstool lensfun ${PNG_LIBRARIES} ${ZLIB_LIBRARIES})
+    IF(WIN32)
+      TARGET_LINK_LIBRARIES(lenstool getopt)
+    ENDIF()
     INSTALL(TARGETS lenstool DESTINATION ${CMAKE_INSTALL_BINDIR})
 ENDIF()
 
@@ -20,27 +19,42 @@ ENDIF(INSTALL_HELPER_SCRIPTS)
 
 
 # Inspired by http://bloerg.net/2012/11/10/cmake-and-distutils.html
+IF(INSTALL_PYTHON_MODULE)
+    FIND_PACKAGE (Python3 COMPONENTS Interpreter REQUIRED)
+    # Windows has a dummy python.exe in the PATH which opens the Microsoft Store, so check if Python is real.
+    EXECUTE_PROCESS(COMMAND ${Python3_EXECUTABLE} --version RESULT_VARIABLE PY_RESULT OUTPUT_QUIET)
+    IF (NOT PY_RESULT EQUAL 0)
+      MESSAGE(FATAL_ERROR "Python3 not found, it might be a dummy python.exe")
+    ENDIF()
 
-FIND_PROGRAM(PYTHON "python3")
-IF(PYTHON)
-    SET(SETUP_PY_IN "${CMAKE_CURRENT_SOURCE_DIR}/setup.py.in")
-    SET(SETUP_PY    "${CMAKE_CURRENT_BINARY_DIR}/setup.py")
-    SET(DEPS_IN     "${CMAKE_CURRENT_SOURCE_DIR}/lensfun/__init__.py.in")
-    SET(DEPS        "${CMAKE_CURRENT_BINARY_DIR}/lensfun/__init__.py")
-    SET(OUTPUT      "${CMAKE_CURRENT_BINARY_DIR}/build/timestamp")
+    SET(SETUP_PY_IN       "${CMAKE_CURRENT_SOURCE_DIR}/setup.py.in")
+    SET(SETUP_PY          "${CMAKE_CURRENT_BINARY_DIR}/setup.py")
+    SET(PYPROJECT_TOML_IN "${CMAKE_CURRENT_SOURCE_DIR}/pyproject.toml.in")
+    SET(PYPROJECT_TOML    "${CMAKE_CURRENT_BINARY_DIR}/pyproject.toml")
+    SET(DEPS_IN           "${CMAKE_CURRENT_SOURCE_DIR}/lensfun/__init__.py.in")
+    SET(DEPS              "${CMAKE_CURRENT_BINARY_DIR}/lensfun/__init__.py")
+    SET(OUTPUT            "${CMAKE_CURRENT_BINARY_DIR}/build/timestamp")
 
+    FILE(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/build/")
+    FILE(TO_NATIVE_PATH "${CMAKE_CURRENT_BINARY_DIR}" PY_PACKAGE_DIR)
     CONFIGURE_FILE(${SETUP_PY_IN} ${SETUP_PY})
+    CONFIGURE_FILE(${PYPROJECT_TOML_IN} ${PYPROJECT_TOML})
     CONFIGURE_FILE(${DEPS_IN} ${DEPS})
 
     ADD_CUSTOM_COMMAND(OUTPUT ${OUTPUT}
-                       COMMAND ${PYTHON} ${SETUP_PY} build
+                       COMMAND ${Python3_EXECUTABLE} -m pip wheel
+                         --no-build-isolation
+                         --use-pep517
+                         --wheel-dir ${CMAKE_CURRENT_BINARY_DIR}/build
+                         ${CMAKE_CURRENT_BINARY_DIR} 
                        COMMAND ${CMAKE_COMMAND} -E touch ${OUTPUT}
-                       DEPENDS ${DEPS_IN})
+                       DEPENDS ${PYPROJECT_TOML_IN} ${DEPS_IN})
 
     ADD_CUSTOM_TARGET(python-package ALL DEPENDS ${OUTPUT})
 
-    IF(NOT DEFINED SETUP_PY_INSTALL_PREFIX)
-      SET(SETUP_PY_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
+    IF(NOT DEFINED PY_INSTALL_PREFIX)
+      SET(PY_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
     ENDIF()
-    INSTALL(CODE "execute_process(COMMAND ${PYTHON} ${SETUP_PY} install --prefix=\$ENV{DESTDIR}${SETUP_PY_INSTALL_PREFIX})")
-ENDIF(PYTHON)
+    INSTALL(CODE "execute_process(COMMAND ${Python3_EXECUTABLE} -m pip install --no-build-isolation --prefix=\$ENV{DESTDIR}${PY_INSTALL_PREFIX} ${CMAKE_CURRENT_BINARY_DIR}/build/lensfun-${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_MICRO}-py3-none-any.whl)")
+
+ENDIF()
Index: lensfun-0.3.4/apps/pyproject.toml.in
===================================================================
--- /dev/null
+++ lensfun-0.3.4/apps/pyproject.toml.in
@@ -0,0 +1,10 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "lensfun"
+version= "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_MICRO}"
+
+[tool.setuptools]
+packages = ["lensfun"]
Index: lensfun-0.3.4/apps/setup.py.in
===================================================================
--- lensfun-0.3.4.orig/apps/setup.py.in
+++ lensfun-0.3.4/apps/setup.py.in
@@ -8,5 +8,4 @@ from setuptools import setup
 
 setup(name="lensfun",
       version="${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_MICRO}",
-      package_dir={"": "${CMAKE_CURRENT_BINARY_DIR}"},
       packages=["lensfun"])