Function fixed_isdir

python/setup.py:467–474

(path)

    orig_isdir = os.path.isdir

    def fixed_isdir(path):
        while os.path.islink(path):
            try:
                link = os.readlink(path)
            except OSError:
                break
            path = os.path.abspath(os.path.join(os.path.dirname(path), link))
        return orig_isdir(path)

    os.path.isdir = fixed_isdir