med-file@5.0.0 py313

Formula/med-file@5.0.0_py313.rb

@@ -0,0 +1,165 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+# SPDX-FileNotice: Part of the FreeCAD project.
+
+class MedFileAT500Py313 < Formula
+  desc "Modeling and Data Exchange standardized format library"
+  homepage "https://www.salome-platform.org/"
+  url "https://github.com/chennes/med/archive/refs/tags/v5.0.0.tar.gz"
+  sha256 "8701f142087b87e8b74958fd0432498eadf28011b20ad05cf56bf911be081888"
+  license "GPL-3.0-only"
+
+  keg_only :versioned_formula
+
+  depends_on "cmake" => :build
+  depends_on "python@3.13" => :build
+  depends_on "swig" => :build
+  depends_on "gcc"
+  depends_on "hdf5"
+  depends_on "libaec"
+
+  patch do
+    url "https://src.fedoraproject.org/rpms/med/raw/rawhide/f/hdf5-1.14.patch"
+    sha256 "e18d32101826d36007c65ccf9975a10eff750b6a7b5215846987d808aae2a3cd"
+  end
+
+  patch do
+    url "https://src.fedoraproject.org/rpms/med/raw/rawhide/f/med-swig-4.3.0.patch"
+    sha256 "b8c7d5eb2500fd1d66d215b571f5b9488ae8171e0b6fa80a29e2255ee5d713a5"
+  end
+
+  patch do
+    url "https://src.fedoraproject.org/rpms/med/raw/rawhide/f/med-py3.13.patch"
+    sha256 "43b99506d4132492bf0e397755147eae957ffec9aa71d454142ac4590ad5faf6"
+  end
+
+  # TODO: a valid regex is required for livecheck
+  # livecheck do
+  #   url :stable
+  #   # url "https://files.salome-platform.org/Salome/other/"
+  #   # regex(/^v?(\d+(?:\.\d+)+)$/i)
+  #   # regex(/^med-4.\d.\d.tar.gz$/i)
+  # end
+
+  def install
+    # ENV.cxx11
+    hbp = HOMEBREW_PREFIX
+
+    gcc_formula = Formula["gcc"]
+    gcc_version = gcc_formula.version.to_s.split(".").first
+
+    # use gcc, g++, and gfrontran to build formula
+    ENV["CC"] = Formula["gcc"].opt_bin/"gcc-#{gcc_version}"
+    ENV["CXX"] = Formula["gcc"].opt_bin/"g++-#{gcc_version}"
+    ENV["FC"] = Formula["gcc"].opt_bin/"gfortran-#{gcc_version}"
+
+    # work around Xcode.app >= v15
+    ENV.append "LDFLAGS", "-Wl,-ld_classic" if DevelopmentTools.clang_build_version >= 1500
+
+    # hb default values not used
+    rm_std_cmake_args = [
+      "-DBUILD_TESTING=OFF",
+      "-DCMAKE_INSTALL_LIBDIR",
+    ]
+
+    ENV["PYTHON"] = Formula["python@3.13"].opt_bin/"python3.13"
+
+    python_exe = ENV["PYTHON"]
+    # Get the Python includes directory without duplicates
+    py_inc_dir = `#{python_exe}-config --includes`.scan(/-I([^\s]+)/).flatten.uniq.join(" ")
+
+    py_lib_path = if OS.mac?
+      `#{python_exe}-config --configdir`.strip + "/libpython3.13.dylib"
+    else
+      `#{python_exe}-config --configdir`.strip + "/libpython3.13.a"
+    end
+
+    puts "--------------------------------------------"
+    puts "PYTHON=#{ENV["PYTHON"]}"
+    puts "PYTHON_INCLUDE_DIR=#{py_inc_dir}"
+    puts "PYTHON_LIBRARY=#{py_lib_path}"
+    puts "--------------------------------------------"
+
+    args = std_cmake_args + %W[
+      -DHOMEBREW_PREFIX=#{hbp}
+      -DMEDFILE_INSTALL_DOC=ON
+      -DMEDFILE_USE_UNICODE=ON
+      -DMEDFILE_BUILD_PYTHON=ON
+      -DPYTHON_EXECUTABLE=#{python_exe}
+      -DPYTHON_INCLUDE_DIR=#{py_inc_dir}
+      -DPYTHON_LIBRARY=#{py_lib_path}
+      -DCMAKE_PREFIX_PATH=#{Formula["hdf5"].opt_prefix};#{Formula["gcc"].opt_prefix};
+      -DCMAKE_INSTALL_RPATH=#{rpath}
+      -DMEDFILE_BUILD_TESTS=0
+      -DCMAKE_C_STANDARD=17
+      -DCMAKE_CXX_STANDARD=17
+      -DCMAKE_C_EXTENSIONS=ON
+      -DCMAKE_CXX_EXTENSIONS=ON
+    ]
+
+    # remove unwanted values from args
+    args.reject! { |arg| rm_std_cmake_args.any? { |value| arg.include?(value) } }
+
+    system "cmake", "-S", ".", "-B", "build", *args
+    system "cmake", "--build", "build"
+    system "cmake", "--install", "build"
+
+    # NOTE: see the below comment,
+    # https://github.com/FreeCAD/homebrew-freecad/pull/760#issuecomment-3930614769
+    if OS.mac?
+      Dir[lib/"python3.13/site-packages/med/*.so"].each do |f|
+        MachO::Tools.add_rpath(f, lib.to_s)
+      end
+    end
+  end
+
+  def post_install
+    # explicitly set python version
+    py_ver = "3.13"
+
+    python_dir = Dir["#{lib}/python."].first
+    if python_dir && File.directory?(python_dir)
+      mv(python_dir, "#{lib}/python#{py_ver}")
+    else
+      opoo "Directory #{lib}/python. does not exist."
+    end
+
+    correct_py_dir = Dir["#{lib}/python#{py_ver}"].first
+    ohai "Directory #{lib}/python#{py_ver} does exist." if correct_py_dir && File.directory?(correct_py_dir)
+
+    # Unlink the existing .pth file to avoid reinstall issues
+    pth_file = lib/"python#{py_ver}/medfile.pth"
+    pth_file.unlink if pth_file.exist?
+
+    ohai "Creating .pth file for medfile python module"
+    # write the .pth file to the parent dir of site-packages
+    (lib/"python#{py_ver}/medfile.pth").write <<~EOS
+      import site; site.addsitedir('#{lib}/python#{py_ver}/site-packages/')
+    EOS
+  end
+
+  def caveats
+    <<-EOS
+      the current medfile install will create a non standard python module path
+      thus the post install step is used to fix the directory structure for the python module
+
+      the same issue can be seen in the gentoo package file
+      https://gitweb.gentoo.org/repo/gentoo.git/tree/sci-libs/med/med-4.1.1-r3.ebuild#n49
+
+      to use the python module provided by this formula the fc_bundle_py313_qt6 formula should be installed
+      or the formula will require manual linking using the `brew link` command.
+    EOS
+  end
+
+  test do
+    (testpath/"test.c").write <<~EOS
+      #include <med.h>
+      #include <stdio.h>
+      int main() {
+        printf("%d.%d.%d",MED_MAJOR_NUM,MED_MINOR_NUM,MED_RELEASE_NUM);
+        return 0;
+      }
+    EOS
+    system ENV.cc, "-I#{include}", "-I#{Formula["hdf5"].include}", "-L#{lib}", "-lmedC", "-Wl,-rpath,#{lib}", "test.c"
+    assert_equal version.to_s, shell_output("./a.out").chomp
+  end
+end