def build_qt()

in procgen-build/procgen_build/build_qt.py [0:0]

• 78 lines of code
• 12 McCabe index (conditional complexity)

def build_qt(output_dir):
    no_timeout_thread = threading.Thread(target=no_timeout_worker, daemon=True)
    no_timeout_thread.start()

    qt_version = "5.13.2"
    os.makedirs(output_dir, exist_ok=True)
    os.chdir(output_dir)
    os.makedirs("qt", exist_ok=True)
    os.chdir("qt")

    modules = ["qtbase"]

    def download_source():
        run("git clone https://code.qt.io/qt/qt5.git")
        os.chdir("qt5")
        run(f"git checkout v{qt_version}")
        run("perl init-repository --module-subset=" + ",".join(modules))
        os.chdir("..")

    # downloading the source from git takes 25 minutes on travis
    # so cache the source so we don't have to use git
    cache_folder("qt-source", dirpath="qt5", options=[qt_version, platform.system()] + modules, build_fn=download_source)

    qt_options = [
        "-confirm-license",
        "-static",
        "-release",
        # -qtnamespace should in theory reduce the likelihood of symbol conflicts
        "-qtnamespace",
        "ProcGenQt",
        "-opensource",
        "-nomake",
        "examples",
        "-nomake",
        "tests",
        "-nomake",
        "tools",
        # travis mac os x server does not seem to support avx2
        "-no-avx2",
        "-no-avx512",
        # extra stuff we don't need
        "-no-pch",
        "-no-harfbuzz",
        "-no-openssl",
        "-no-dbus",
        "-no-opengl",
        "-no-xcb",
        "-no-libjpeg",
        "-no-ico",
        "-no-gif",
        # useful for profiling
        # "-force-debug-info",
    ]
    if platform.system() == "Windows":
        # parallelize the windows build
        qt_options.append("-mp")
    
    def compile_qt():
        os.makedirs("build")
        os.chdir("build")
        if platform.system() == "Darwin":
            # ../qt5/qtbase/mkspecs/macx-clang/qmake.conf
            # ../qt5/qtbase/mkspecs/macx-xcode/qmake.conf
            # 
            # find all qmake.conf files
            print("find qmake.conf files")
            run("find ../qt5 -iname qmake.conf")
            for root, dirs, files in os.walk('../qt5'):
                for file in files:
                    path = os.path.join(root, file)
                    if file == "qmake.conf":
                        print(f"qmake: {path}")
                        print(open(path).read())
            path = "../qt5/qtbase/mkspecs/macx-clang/qmake.conf"
            contents = """\
QMAKE_LIBS_X11 = -lX11 -lXext -lm
QMAKE_LIBDIR_X11 = /opt/X11/lib
QMAKE_INCDIR_X11 = /opt/X11/include

include(../common/macx.conf)
include(../common/gcc-base-mac.conf)
include(../common/clang.conf)
include(../common/clang-mac.conf)

QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.13

load(qt_config)
"""
            with open(path, "w") as f:
                f.write(contents)
        if platform.system() == "Windows":
            qt_configure = "..\\qt5\\configure"
        else:
            qt_configure = "../qt5/configure"
        run(f"{qt_configure} -prefix {os.getcwd()}/qtbase " + " ".join(qt_options))
        if platform.system() == "Windows":
            run("nmake", stdout=sp.PIPE, stderr=sp.STDOUT)
        else:
            run(f"make -j{mp.cpu_count()}", stdout=sp.PIPE, stderr=sp.STDOUT)
        os.chdir("..")
        run("du -hsc build")
        for root, dirs, files in os.walk("."):
            for dirname in dirs:
                if dirname in (".obj", ".pch"):
                    dirpath = os.path.join(root, dirname)
                    print(f"remove dir {dirpath}")
                    shutil.rmtree(dirpath)
        run("du -hsc build")

    cache_folder("qt-build", dirpath="build", options=[platform.system(), os.environ.get("TRAVIS_OSX_IMAGE", "")] + qt_options, build_fn=compile_qt)