backup_plugin.py 文件源码

def backup_parents(self, root):
        '''Back up parents of root, non-recursively.'''
        root = self.fs.abspath(root)
        tracing.trace('backing up parents of %s', root)

        dummy_metadata = obnamlib.Metadata(st_mode=0777 | stat.S_IFDIR)

        while True:
            parent = os.path.dirname(root)
            try:
                metadata = obnamlib.read_metadata(self.fs, root)
            except OSError, e:
                logging.warning(
                    'Failed to get metadata for %s: %s: %s',
                    root, e.errno or 0, e.strerror)
                logging.warning('Using fake metadata instead for %s', root)
                metadata = dummy_metadata
            if not self.pretend:
                self.add_file_to_generation(root, metadata)

            if root == parent:
                break
            root = parent