blobfs.py 文件源码

def _get_entry(self, path_str: str) -> Entry:
        """
        Gets an entry or raises ENOENT.
        """
        path = PurePosixPath(path_str)

        if len(path.parts) == 4:
            # Synthesize a file!
            _, table_name, row_ref, column_name = path.parts
            return ColumnFile(table_name, row_ref, column_name)
        elif len(path.parts) == 3:
            # It's a row!
            _, table_name, row_ref = path.parts
            return RowDirectory(table_name, row_ref)
        elif len(path.parts) == 2:
            # Table directory
            _, table_name = path.parts
            return TableDirectory(table_name)
        elif len(path.parts) == 1:
            # Root directory
            return RootDirectory()

        raise FuseOSError(ENOENT)