opt batch delete timeout files

Author: AlexCXC

dtable_events/tasks/dtable_upload_link_handler.py

@@ -64,7 +64,9 @@ def handle_flags(self, session):
                                 break
                             f_offset += f_limit
                         logger.debug('repo: %s dtable: %s to delete files: %s', repo_id, dtable_uuid, len(to_delete_files))
-                        seafile_api.del_file(repo_id, public_forms_path, json.dumps(to_delete_files), '')
+                        del_step = 1000
+                        for i in range(0, len(to_delete_files), del_step):
+                            seafile_api.del_file(repo_id, public_forms_path, json.dumps(to_delete_files[i: i+del_step]), '')
                 except Exception as e:
                     logger.exception('repo: %s handle upload flags error: %s', repo_id, e)
             if len(results) < limit: