def _init_pathinfo():
    """Return a set containing all existing directory entries from sys.path"""
    d = set()
    for dir in sys.path:
        try:
            if os.path.isdir(dir):
                dir, dircase = makepath(dir)
                d.add(dircase)
        except __HOLE__:
            continue
    return d
dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/site.py/_init_pathinfo