def normalize_loaderpath_name()

in scripts/buildsystems/osx/applocal.py [0:0]

• 18 lines of code
• 2 McCabe index (conditional complexity)

def normalize_loaderpath_name(filename):
    """
    input: a path to a loaderpath library, as returned by otool, that can have this form :
            - an relative path @loaderpath/yyy
    output:
        a tuple (loaderpathlib, abspath, rpath) where:
            - loaderpathlib is the name of the loaderpath lib
            - abspath is the absolute path of the qt lib inside the app bundle of exepath
            - relpath is the correct rpath to a qt lib inside the app bundle
    """
    GlobalConfig.logger.debug('normalize_loaderpath_name({0})'.format(filename))

    loaderpath_name_rgx = re.compile(LOADERPATH_REGEX)
    rgxret = loaderpath_name_rgx.match(filename)
    if not rgxret:
        msg = 'couldn\'t normalize a loaderpath lib filename: {0}'.format(filename)
        GlobalConfig.logger.critical(msg)
        raise Exception(msg)

    # loaderpath normalization settings
    loaderpathlib = rgxret.groups()[0]
    templ = Template(LOADERPATH_NORMALIZED)

    # from loaderpath, forge 2 path :
    #  - absolute path of qt lib in bundle,
    abspath = os.path.normpath(templ.safe_substitute(
        prefix=os.path.dirname(GlobalConfig.exepath) + '/..',
        loaderpathlib=loaderpathlib))

    #  - and rpath containing @executable_path, relative to exepath
    rpath = templ.safe_substitute(
        prefix='@executable_path/..',
        loaderpathlib=loaderpathlib)

    GlobalConfig.logger.debug('\treturns({0})'.format((loaderpathlib, abspath, rpath)))
    return loaderpathlib, abspath, rpath