_filefinder2.py 文件源码

def _path_hooks(cls, path):  # from importlib.PathFinder
            """Search sys.path_hooks for a finder for 'path'."""
            if sys.path_hooks is not None and not sys.path_hooks:
                warnings.warn('sys.path_hooks is empty', ImportWarning)
            for hook in sys.path_hooks:
                try:
                    return hook(path)
                except ImportError:
                    continue
            else:
                return None