[email protected]_py312_qt6: scaffold out new version of coin3d

Formula/coin3d@4.0.3_py312_qt6.rb

@@ -0,0 +1,179 @@
+class Coin3dAT403Py312Qt6 < Formula
+  desc "Open Inventor 2.1 API implementation (Coin) with Python bindings (Pivy)"
+  homepage "https://coin3d.github.io/"
+  license all_of: ["BSD-3-Clause", "ISC"]
+  revision 1
+
+  stable do
+    url "https://github.com/coin3d/coin/releases/download/v4.0.3/coin-4.0.3-src.tar.gz"
+    sha256 "66e3f381401f98d789154eb00b2996984da95bc401ee69cc77d2a72ed86dfda8"
+
+    # We use the pre-release to support `pyside` and `[email protected]`.
+    # This matches Arch Linux[^1] and Debian[^2] packages.
+    #
+    # [^1]: https://archlinux.org/packages/extra/x86_64/python-pivy/
+    # [^2]: https://packages.debian.org/trixie/python3-pivy
+    resource "pivy" do
+      url "https://github.com/coin3d/pivy/archive/refs/tags/0.6.9.a0.tar.gz"
+      sha256 "2c2da80ae216fe06394562f4a8fc081179d678f20bf6f8ec412cda470d7eeb91"
+    end
+
+    resource "soqt" do
+      url "https://github.com/coin3d/soqt/releases/download/v1.6.2/soqt-1.6.2-src.tar.gz"
+      sha256 "fb483b20015ab827ba46eb090bd7be5bc2f3d0349c2f947c3089af2b7003869c"
+    end
+  end
+
+  livecheck do
+    url "https://github.com/coin3d/coin/releases"
+    regex(/^v?(\d+(?:\.\d+)+)$/i)
+  end
+
+  head do
+    url "https://github.com/coin3d/coin.git", branch: "master"
+
+    resource "pivy" do
+      url "https://github.com/coin3d/pivy.git", branch: "master"
+    end
+
+    resource "soqt" do
+      url "https://github.com/coin3d/soqt.git", branch: "master"
+    end
+  end
+
+  keg_only :versioned_formula
+
+  depends_on "cmake" => :build
+  depends_on "doxygen" => :build
+  depends_on "freecad/freecad/[email protected]" => :build
+  depends_on "boost"
+  depends_on "freecad/freecad/pyside6_py312"
+  depends_on "python-setuptools"
+  depends_on "[email protected]"
+  depends_on "qt"
+
+  on_linux do
+    depends_on "mesa"
+    depends_on "mesa-glu"
+  end
+
+  def python3
+    "python3.12"
+  end
+
+  def install
+    # NOTE: ipatch, useful links to other distros packaging this software
+    # https://packages.altlinux.org/en/sisyphus/srpms/soqt/specfiles/
+    # https://gitweb.gentoo.org/repo/gentoo.git/tree/media-libs/coin/coin-4.0.2.ebuild
+    # https://gitlab.archlinux.org/archlinux/packaging/packages/soqt/-/blob/main/PKGBUILD
+    # https://gitlab.archlinux.org/archlinux/packaging/packages/python-pivy/-/blob/main/PKGBUILD
+
+    system "cmake", "-S", ".", "-B", "_build-coin",
+                    "-DCMAKE_CXX_STANDARD=11",
+                    "-DCOIN_BUILD_DOCUMENTATION=ON",
+                    "-DCOIN_BUILD_DOCUMENTATION_MAN=ON",
+                    "-DCMAKE_INSTALL_PREFIX=#{prefix}",
+                    "-L"
+    puts "----------------------------------------------------"
+    puts "CMAKE_PREFIX_PATH=#{ENV["CMAKE_PREFIX_PATH"]}"
+    puts "CMAKE_PREFIX_PATH Datatype: #{ENV["CMAKE_PREFIX_PATH"].class}"
+    puts "----------------------------------------------------"
+    system "cmake", "--build", "_build-coin"
+    system "cmake", "--install", "_build-coin"
+
+    resource("soqt").stage do
+      system "cmake", "-S", ".", "-B", "_build-soqt",
+                      "-DCMAKE_INSTALL_RPATH=#{rpath}",
+                      "-DSOQT_BUILD_MAC_FRAMEWORK=OFF",
+                      "-DSOQT_BUILD_DOCUMENTATION=ON",
+                      "-DSOQT_BUILD_DOC_MAN=ON",
+                      "-DSOQT_BUILD_TESTS=OFF",
+                      "-DSOQT_USE_QT6:BOOL=ON",
+                      "-DCMAKE_PREFIX_PATH=#{prefix}",
+                      "-L",
+                      *std_cmake_args(find_framework: "FIRST")
+      puts "----------------------------------------------------"
+      puts "CMAKE_PREFIX_PATH=#{ENV["CMAKE_PREFIX_PATH"]}"
+      puts "CMAKE_PREFIX_PATH Datatype: #{ENV["CMAKE_PREFIX_PATH"].class}"
+      puts "----------------------------------------------------"
+
+      system "cmake", "--build", "_build-soqt"
+      system "cmake", "--install", "_build-soqt"
+    end
+
+    # NOTE: ipatch, it seems SOQT is optional dep for pivy thus build soqt first
+    resource("pivy").stage do
+      ENV.append_path "CMAKE_PREFIX_PATH", prefix.to_s
+      ENV.append_path "CMAKE_PREFIX_PATH", Formula["python-setuptools"].opt_prefix
+
+      puts "----------------------------------------------------"
+      puts "CMAKE_PREFIX_PATH=#{ENV["CMAKE_PREFIX_PATH"]}"
+      puts "CMAKE_PREFIX_PATH Datatype: #{ENV["CMAKE_PREFIX_PATH"].class}"
+      puts "----------------------------------------------------"
+
+      # Allow setup.py to build with Qt6 as we saw some issues using CMake directly on Intel
+      inreplace "distutils_cmake/CMakeLists.txt", " NONE)", ")" # allow languages
+      ENV.append "CXXFLAGS", "-std=c++17"
+      ENV["LDFLAGS"] = "-Wl,-rpath,#{opt_lib}"
+      system python3, "-m", "pip", "install", *std_pip_args, "."
+    end
+  end
+
+  def post_install
+    # explicitly set python version
+    python_version = "3.12"
+
+    # Unlink the existing .pth file to avoid reinstall issues
+    pth_file = lib/"python#{python_version}/coin3d_py312_qt6-pivy.pth"
+    pth_file.unlink if pth_file.exist?
+
+    ohai "Creating .pth file for pivy module"
+    # write the .pth file to the site-packages directory
+    (lib/"python#{python_version}/coin3d_py312_qt6-pivy.pth").write <<~EOS
+      import site; site.addsitedir('#{lib}/python#{python_version}/site-packages/')
+    EOS
+  end
+
+  def caveats
+    <<~EOS
+      this formula is keg-only, and intended to aid in the building of freecad
+      this formula should NOT be linked using `brew link` or else errors will
+      arise when opening the #{python3} repl
+      the test in this formula will fail if a screen (GUI) can not be accessed
+    EOS
+  end
+
+  test do
+    # NOTE: required because formula is keg_only
+    coin3d_py312_include = Formula["[email protected]_py312_qt6"].opt_include
+
+    (testpath/"test.cpp").write <<~EOS
+      #include <Inventor/SoDB.h>
+      int main() {
+        SoDB::init();
+        SoDB::cleanup();
+        return 0;
+      }
+    EOS
+
+    opengl_flags = if OS.mac?
+      ["-Wl,-framework,OpenGL"]
+    else
+      ["-L#{Formula["mesa"].opt_lib}", "-lGL"]
+    end
+
+    system ENV.cc, "test.cpp", "-L#{lib}", "-lCoin", *opengl_flags, "-o", "test", "-I#{coin3d_py312_include}"
+    system "./test"
+
+    ENV.append_path "PYTHONPATH", Formula["[email protected]_py312_qt6"].opt_prefix/Language::Python.site_packages(python3)
+    ENV.append_path "PYTHONPATH", Formula["pyside6_py312"].opt_prefix/Language::Python.site_packages(python3)
+    # Set QT_QPA_PLATFORM to minimal to avoid error:
+    # "This application failed to start because no Qt platform plugin could be initialized."
+    ENV["QT_QPA_PLATFORM"] = "minimal" if OS.linux? || ENV["HOMEBREW_GITHUB_ACTIONS"]
+    system Formula["[email protected]"].opt_bin/"python3.12", "-c", <<~EOS
+      import shiboken6
+      from pivy.sogui import SoGui
+      assert SoGui.init("test") is not None
+    EOS
+  end
+end