from typing import Any, Dict, Optional if False: import zerver.tornado.event_queue descriptors_by_handler_id = {} # type: Dict[int, zerver.tornado.event_queue.ClientDescriptor] def get_descriptor_by_handler_id(handler_id): # type: (int) -> zerver.tornado.event_queue.ClientDescriptor return descriptors_by_handler_id.get(handler_id) def set_descriptor_by_handler_id(handler_id, client_descriptor): # type: (int, zerver.tornado.event_queue.ClientDescriptor) -> None descriptors_by_handler_id[handler_id] = client_descriptor def clear_descriptor_by_handler_id(handler_id, client_descriptor): # type: (int, Optional[zerver.tornado.event_queue.ClientDescriptor]) -> None del descriptors_by_handler_id[handler_id]