def make_installer()

in lib/ramble/spack/cmd/make_installer.py [0:0]
79 lines of code
11 McCabe index (conditional complexity)

def make_installer(parser, args):
    """
       Use CMake to generate WIX installer in newly created build directory
    """
    if sys.platform == 'win32':
        output_dir = args.output_dir
        cmake_spec = Spec('cmake')
        cmake_spec.concretize()
        cmake_path = os.path.join(cmake_spec.prefix, "bin", "cmake.exe")
        cpack_path = os.path.join(cmake_spec.prefix, "bin", "cpack.exe")
        spack_source = args.spack_source
        git_verbosity = ""
        if args.git_verbosity:
            git_verbosity = "/" + args.git_verbosity

        if spack_source:
            if not os.path.exists(spack_source):
                print("%s does not exist" % spack_source)
                return
            else:
                if not os.path.isabs(spack_source):
                    spack_source = posixpath.abspath(spack_source)
                spack_source = convert_to_posix_path(spack_source)

        spack_version = args.spack_version

        here = os.path.dirname(os.path.abspath(__file__))
        source_dir = os.path.join(here, "installer")
        posix_root = convert_to_posix_path(spack.paths.spack_root)
        spack_license = posixpath.join(posix_root, "LICENSE-APACHE")
        rtf_spack_license = txt_to_rtf(spack_license)
        spack_license = posixpath.join(source_dir, "LICENSE.rtf")

        with open(spack_license, 'w') as rtf_license:
            written = rtf_license.write(rtf_spack_license)
            if written == 0:
                raise RuntimeError("Failed to generate properly formatted license file")
        spack_logo = posixpath.join(posix_root,
                                    "share/spack/logo/favicon.ico")

        try:
            spack.util.executable.Executable(cmake_path)(
                '-S', source_dir, '-B', output_dir,
                '-DSPACK_VERSION=%s' % spack_version,
                '-DSPACK_SOURCE=%s' % spack_source,
                '-DSPACK_LICENSE=%s' % spack_license,
                '-DSPACK_LOGO=%s' % spack_logo,
                '-DSPACK_GIT_VERBOSITY=%s' % git_verbosity
            )
        except spack.util.executable.ProcessError:
            print("Failed to generate installer")
            return spack.util.executable.ProcessError.returncode

        try:
            spack.util.executable.Executable(cpack_path)(
                "--config",
                "%s/CPackConfig.cmake" % output_dir,
                "-B",
                "%s/" % output_dir)
        except spack.util.executable.ProcessError:
            print("Failed to generate installer")
            return spack.util.executable.ProcessError.returncode
        try:
            spack.util.executable.Executable(os.environ.get('WIX') + '/bin/candle.exe')(
                '-ext',
                'WixBalExtension',
                '%s/bundle.wxs' % output_dir,
                '-out',
                '%s/bundle.wixobj' % output_dir
            )
        except spack.util.executable.ProcessError:
            print("Failed to generate installer chain")
            return spack.util.executable.ProcessError.returncode
        try:
            spack.util.executable.Executable(os.environ.get('WIX') + "/bin/light.exe")(
                "-sw1134",
                "-ext",
                "WixBalExtension",
                "%s/bundle.wixobj" % output_dir,
                '-out',
                '%s/Spack.exe' % output_dir
            )
        except spack.util.executable.ProcessError:
            print("Failed to generate installer chain")
            return spack.util.executable.ProcessError.returncode
        print("Successfully generated Spack.exe in %s" % (output_dir))
    else:
        print('The make-installer command is currently only supported on Windows.')