mirror of
https://github.com/xfgryujk/blivechat.git
synced 2024-12-26 21:00:15 +08:00
691 lines
24 KiB
Python
691 lines
24 KiB
Python
# -*- coding: utf-8 -*-
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import asyncio
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import enum
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import logging
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import uuid
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from typing import *
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import api.chat
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import api.open_live as api_open_live
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import blivedm.blivedm as blivedm
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import blivedm.blivedm.models.open_live as dm_open_models
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import blivedm.blivedm.models.web as dm_web_models
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import config
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import services.avatar
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import services.translate
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import utils.request
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logger = logging.getLogger(__name__)
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class RoomKeyType(enum.IntEnum):
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ROOM_ID = 1
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AUTH_CODE = 2
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class RoomKey(NamedTuple):
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"""内部用来标识一个房间，由客户端加入房间时传入"""
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type: RoomKeyType
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value: Union[int, str]
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def __str__(self):
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res = str(self.value)
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if self.type == RoomKeyType.AUTH_CODE:
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# 身份码要脱敏
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res = '***' + res[-3:]
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return res
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__repr__ = __str__
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# 用于类型标注的类型别名
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LiveClientType = Union['WebLiveClient', 'OpenLiveClient']
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# 到B站的连接管理
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_live_client_manager: Optional['LiveClientManager'] = None
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# 到客户端的连接管理
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client_room_manager: Optional['ClientRoomManager'] = None
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# 直播消息处理器
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_live_msg_handler: Optional['LiveMsgHandler'] = None
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def init():
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global _live_client_manager, client_room_manager, _live_msg_handler
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_live_client_manager = LiveClientManager()
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client_room_manager = ClientRoomManager()
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_live_msg_handler = LiveMsgHandler()
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async def shut_down():
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if client_room_manager is not None:
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client_room_manager.shut_down()
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if _live_client_manager is not None:
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await _live_client_manager.shut_down()
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class LiveClientManager:
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"""管理到B站的连接"""
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def __init__(self):
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self._live_clients: Dict[RoomKey, LiveClientType] = {}
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self._close_client_futures: Set[asyncio.Future] = set()
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async def shut_down(self):
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while len(self._live_clients) != 0:
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room_key = next(iter(self._live_clients))
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self.del_live_client(room_key)
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await asyncio.gather(*self._close_client_futures, return_exceptions=True)
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def add_live_client(self, room_key: RoomKey):
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if room_key in self._live_clients:
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return
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logger.info('room=%s creating live client', room_key)
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self._live_clients[room_key] = live_client = self._create_live_client(room_key)
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live_client.set_handler(_live_msg_handler)
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# 直接启动吧，这里不用管init_room失败的情况，万一失败了会在on_client_stopped里删除掉这个客户端
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live_client.start()
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logger.info('room=%s live client created, %d live clients', room_key, len(self._live_clients))
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@staticmethod
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def _create_live_client(room_key: RoomKey):
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if room_key.type == RoomKeyType.ROOM_ID:
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return WebLiveClient(room_key)
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elif room_key.type == RoomKeyType.AUTH_CODE:
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return OpenLiveClient(room_key)
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raise ValueError(f'Unknown RoomKeyType={room_key.type}')
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def del_live_client(self, room_key: RoomKey):
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live_client = self._live_clients.pop(room_key, None)
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if live_client is None:
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return
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logger.info('room=%s removing live client', room_key)
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live_client.set_handler(None)
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future = asyncio.create_task(live_client.stop_and_close())
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self._close_client_futures.add(future)
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future.add_done_callback(lambda _future: self._close_client_futures.discard(future))
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logger.info('room=%s live client removed, %d live clients', room_key, len(self._live_clients))
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client_room_manager.del_room(room_key)
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class WebLiveClient(blivedm.BLiveClient):
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HEARTBEAT_INTERVAL = 10
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def __init__(self, room_key: RoomKey):
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assert room_key.type == RoomKeyType.ROOM_ID
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super().__init__(
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room_key.value,
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uid=0,
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session=utils.request.http_session,
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heartbeat_interval=self.HEARTBEAT_INTERVAL,
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)
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@property
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def room_key(self):
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return RoomKey(RoomKeyType.ROOM_ID, self.tmp_room_id)
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async def init_room(self):
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res = await super().init_room()
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if res:
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logger.info('room=%s live client init succeeded, room_id=%d', self.room_key, self.room_id)
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else:
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logger.info('room=%s live client init with a downgrade, room_id=%d', self.room_key, self.room_id)
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# 允许降级
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return True
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class OpenLiveClient(blivedm.OpenLiveClient):
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HEARTBEAT_INTERVAL = 10
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def __init__(self, room_key: RoomKey):
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assert room_key.type == RoomKeyType.AUTH_CODE
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cfg = config.get_config()
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super().__init__(
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access_key_id=cfg.open_live_access_key_id,
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access_key_secret=cfg.open_live_access_key_secret,
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app_id=cfg.open_live_app_id,
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room_owner_auth_code=room_key.value,
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session=utils.request.http_session,
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heartbeat_interval=self.HEARTBEAT_INTERVAL,
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)
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@property
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def room_key(self):
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return RoomKey(RoomKeyType.AUTH_CODE, self.room_owner_auth_code)
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async def init_room(self):
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res = await super().init_room()
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if res:
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logger.info('room=%s live client init succeeded, room_id=%d', self.room_key, self.room_id)
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else:
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logger.info('room=%s live client init failed', self.room_key)
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return res
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async def _start_game(self):
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try:
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data = await api_open_live.request_open_live_or_common_server(
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api_open_live.START_GAME_OPEN_LIVE_URL,
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api_open_live.START_GAME_COMMON_SERVER_URL,
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{'code': self._room_owner_auth_code, 'app_id': self._app_id}
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)
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except api_open_live.TransportError:
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logger.error('_start_game() failed')
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return False
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except api_open_live.BusinessError:
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logger.warning('_start_game() failed')
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return False
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return self._parse_start_game(data['data'])
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async def _end_game(self):
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if self._game_id in (None, ''):
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return True
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try:
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await api_open_live.request_open_live_or_common_server(
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api_open_live.END_GAME_OPEN_LIVE_URL,
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api_open_live.END_GAME_COMMON_SERVER_URL,
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{'app_id': self._app_id, 'game_id': self._game_id}
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)
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except api_open_live.TransportError:
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logger.error('room=%d _end_game() failed', self.room_id)
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return False
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except api_open_live.BusinessError as e:
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if e.code in (7000, 7003):
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# 项目已经关闭了也算成功
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return True
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logger.warning('room=%d _end_game() failed', self.room_id)
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return False
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return True
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async def _send_game_heartbeat(self):
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if self._game_id in (None, ''):
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logger.warning('game=%d _send_game_heartbeat() failed, game_id not found', self._game_id)
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return False
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# 保存一下，防止await之后game_id改变
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game_id = self._game_id
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try:
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await api_open_live.request_open_live_or_common_server(
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api_open_live.GAME_HEARTBEAT_OPEN_LIVE_URL,
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api_open_live.GAME_HEARTBEAT_COMMON_SERVER_URL,
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{'game_id': game_id}
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)
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except api_open_live.TransportError:
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logger.error('room=%d _send_game_heartbeat() failed', self.room_id)
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return False
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except api_open_live.BusinessError as e:
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logger.warning('room=%d _send_game_heartbeat() failed', self.room_id)
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if e.code == 7003 and self._game_id == game_id:
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# 项目异常关闭，可能是心跳超时，需要重新开启项目
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self._need_init_room = True
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if self._websocket is not None and not self._websocket.closed:
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await self._websocket.close()
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return False
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return True
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class ClientRoomManager:
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"""管理到客户端的连接"""
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# 房间没有客户端后延迟多久删除房间，不立即删除防止短时间后重连
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DELAY_DEL_ROOM_TIMEOUT = 10
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def __init__(self):
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self._rooms: Dict[RoomKey, ClientRoom] = {}
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self._delay_del_timer_handles: Dict[RoomKey, asyncio.TimerHandle] = {}
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def shut_down(self):
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while len(self._rooms) != 0:
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room_key = next(iter(self._rooms))
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self.del_room(room_key)
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for timer_handle in self._delay_del_timer_handles.values():
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timer_handle.cancel()
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self._delay_del_timer_handles.clear()
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def add_client(self, room_key: RoomKey, client: 'api.chat.ChatHandler'):
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room = self._get_or_add_room(room_key)
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room.add_client(client)
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self._clear_delay_del_timer(room_key)
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def del_client(self, room_key: RoomKey, client: 'api.chat.ChatHandler'):
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room = self.get_room(room_key)
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if room is None:
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return
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room.del_client(client)
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if room.client_count == 0:
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self.delay_del_room(room_key, self.DELAY_DEL_ROOM_TIMEOUT)
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def get_room(self, room_key: RoomKey):
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return self._rooms.get(room_key, None)
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def _get_or_add_room(self, room_key: RoomKey):
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room = self._rooms.get(room_key, None)
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if room is None:
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logger.info('room=%s creating client room', room_key)
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self._rooms[room_key] = room = ClientRoom(room_key)
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logger.info('room=%s client room created, %d client rooms', room_key, len(self._rooms))
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_live_client_manager.add_live_client(room_key)
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return room
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def del_room(self, room_key: RoomKey):
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self._clear_delay_del_timer(room_key)
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room = self._rooms.pop(room_key, None)
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if room is None:
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return
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logger.info('room=%s removing client room', room_key)
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room.clear_clients()
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logger.info('room=%s client room removed, %d client rooms', room_key, len(self._rooms))
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_live_client_manager.del_live_client(room_key)
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def delay_del_room(self, room_key: RoomKey, timeout):
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self._clear_delay_del_timer(room_key)
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self._delay_del_timer_handles[room_key] = asyncio.get_running_loop().call_later(
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timeout, self._on_delay_del_room, room_key
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)
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def _clear_delay_del_timer(self, room_key: RoomKey):
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timer_handle = self._delay_del_timer_handles.pop(room_key, None)
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if timer_handle is not None:
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timer_handle.cancel()
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def _on_delay_del_room(self, room_key: RoomKey):
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self._delay_del_timer_handles.pop(room_key, None)
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self.del_room(room_key)
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class ClientRoom:
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def __init__(self, room_key: RoomKey):
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self._room_key = room_key
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self._clients: List[api.chat.ChatHandler] = []
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self._auto_translate_count = 0
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@property
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def room_key(self) -> RoomKey:
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return self._room_key
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@property
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def client_count(self):
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return len(self._clients)
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@property
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def need_translate(self):
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return self._auto_translate_count > 0
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def add_client(self, client: 'api.chat.ChatHandler'):
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logger.info('room=%s addding client %s', self._room_key, client.request.remote_ip)
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self._clients.append(client)
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if client.auto_translate:
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self._auto_translate_count += 1
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logger.info('room=%s added client %s, %d clients', self._room_key, client.request.remote_ip,
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self.client_count)
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def del_client(self, client: 'api.chat.ChatHandler'):
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client.close()
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try:
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self._clients.remove(client)
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except ValueError:
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return
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if client.auto_translate:
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self._auto_translate_count -= 1
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logger.info('room=%s removed client %s, %d clients', self._room_key, client.request.remote_ip,
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self.client_count)
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def clear_clients(self):
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logger.info('room=%s clearing %d clients', self._room_key, self.client_count)
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for client in self._clients:
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client.close()
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self._clients.clear()
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self._auto_translate_count = 0
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def send_cmd_data(self, cmd, data):
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body = api.chat.make_message_body(cmd, data)
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for client in self._clients:
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client.send_body_no_raise(body)
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def send_cmd_data_if(self, filterer: Callable[['api.chat.ChatHandler'], bool], cmd, data):
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body = api.chat.make_message_body(cmd, data)
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for client in filter(filterer, self._clients):
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client.send_body_no_raise(body)
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class LiveMsgHandler(blivedm.BaseHandler):
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def on_client_stopped(self, client: LiveClientType, exception: Optional[Exception]):
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_live_client_manager.del_live_client(client.room_key)
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def _on_danmaku(self, client: WebLiveClient, message: dm_web_models.DanmakuMessage):
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asyncio.create_task(self.__on_danmaku(client, message))
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async def __on_danmaku(self, client: WebLiveClient, message: dm_web_models.DanmakuMessage):
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avatar_url = message.face
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if avatar_url != '':
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services.avatar.update_avatar_cache_if_expired(message.uid, avatar_url)
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else:
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# 先异步调用再获取房间，因为返回时房间可能已经不存在了
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avatar_url = await services.avatar.get_avatar_url(message.uid)
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room = client_room_manager.get_room(client.room_key)
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if room is None:
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return
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if message.uid == client.room_owner_uid:
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author_type = 3 # 主播
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elif message.admin:
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author_type = 2 # 房管
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elif message.privilege_type != 0: # 1总督，2提督，3舰长
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author_type = 1 # 舰队
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else:
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author_type = 0
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if message.dm_type == 1:
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content_type = api.chat.ContentType.EMOTICON
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content_type_params = api.chat.make_emoticon_params(
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message.emoticon_options_dict['url'],
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)
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else:
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content_type = api.chat.ContentType.TEXT
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content_type_params = None
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need_translate = (
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content_type != api.chat.ContentType.EMOTICON and self._need_translate(message.msg, room, client)
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)
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if need_translate:
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translation = services.translate.get_translation_from_cache(message.msg)
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if translation is None:
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# 没有缓存，需要后面异步翻译后通知
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translation = ''
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else:
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need_translate = False
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else:
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translation = ''
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msg_id = uuid.uuid4().hex
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room.send_cmd_data(api.chat.Command.ADD_TEXT, api.chat.make_text_message_data(
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avatar_url=avatar_url,
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timestamp=int(message.timestamp / 1000),
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author_name=message.uname,
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author_type=author_type,
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content=message.msg,
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privilege_type=message.privilege_type,
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is_gift_danmaku=bool(message.msg_type),
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author_level=message.user_level,
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is_newbie=message.urank < 10000,
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is_mobile_verified=bool(message.mobile_verify),
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medal_level=0 if message.medal_room_id != client.room_id else message.medal_level,
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id_=msg_id,
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translation=translation,
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content_type=content_type,
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content_type_params=content_type_params,
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))
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if need_translate:
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await self._translate_and_response(message.msg, room.room_key, msg_id)
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def _on_gift(self, client: WebLiveClient, message: dm_web_models.GiftMessage):
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avatar_url = services.avatar.process_avatar_url(message.face)
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services.avatar.update_avatar_cache_if_expired(message.uid, avatar_url)
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# 丢人
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if message.coin_type != 'gold':
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return
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room = client_room_manager.get_room(client.room_key)
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if room is None:
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return
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room.send_cmd_data(api.chat.Command.ADD_GIFT, {
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'id': uuid.uuid4().hex,
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'avatarUrl': avatar_url,
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'timestamp': message.timestamp,
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'authorName': message.uname,
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'totalCoin': message.total_coin,
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'giftName': message.gift_name,
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'num': message.num
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})
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def _on_buy_guard(self, client: WebLiveClient, message: dm_web_models.GuardBuyMessage):
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asyncio.create_task(self.__on_buy_guard(client, message))
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@staticmethod
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async def __on_buy_guard(client: WebLiveClient, message: dm_web_models.GuardBuyMessage):
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# 先异步调用再获取房间，因为返回时房间可能已经不存在了
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avatar_url = await services.avatar.get_avatar_url(message.uid)
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room = client_room_manager.get_room(client.room_key)
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if room is None:
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return
|
||
|
||
room.send_cmd_data(api.chat.Command.ADD_MEMBER, {
|
||
'id': uuid.uuid4().hex,
|
||
'avatarUrl': avatar_url,
|
||
'timestamp': message.start_time,
|
||
'authorName': message.username,
|
||
'privilegeType': message.guard_level
|
||
})
|
||
|
||
def _on_super_chat(self, client: WebLiveClient, message: dm_web_models.SuperChatMessage):
|
||
avatar_url = services.avatar.process_avatar_url(message.face)
|
||
services.avatar.update_avatar_cache_if_expired(message.uid, avatar_url)
|
||
|
||
room = client_room_manager.get_room(client.room_key)
|
||
if room is None:
|
||
return
|
||
|
||
need_translate = self._need_translate(message.message, room, client)
|
||
if need_translate:
|
||
translation = services.translate.get_translation_from_cache(message.message)
|
||
if translation is None:
|
||
# 没有缓存，需要后面异步翻译后通知
|
||
translation = ''
|
||
else:
|
||
need_translate = False
|
||
else:
|
||
translation = ''
|
||
|
||
msg_id = str(message.id)
|
||
room.send_cmd_data(api.chat.Command.ADD_SUPER_CHAT, {
|
||
'id': msg_id,
|
||
'avatarUrl': avatar_url,
|
||
'timestamp': message.start_time,
|
||
'authorName': message.uname,
|
||
'price': message.price,
|
||
'content': message.message,
|
||
'translation': translation
|
||
})
|
||
|
||
if need_translate:
|
||
asyncio.create_task(self._translate_and_response(
|
||
message.message, room.room_key, msg_id, services.translate.Priority.HIGH
|
||
))
|
||
|
||
def _on_super_chat_delete(self, client: WebLiveClient, message: dm_web_models.SuperChatDeleteMessage):
|
||
room = client_room_manager.get_room(client.room_key)
|
||
if room is None:
|
||
return
|
||
|
||
room.send_cmd_data(api.chat.Command.DEL_SUPER_CHAT, {
|
||
'ids': list(map(str, message.ids))
|
||
})
|
||
|
||
@staticmethod
|
||
def _need_translate(text, room: ClientRoom, client: LiveClientType):
|
||
cfg = config.get_config()
|
||
return (
|
||
cfg.enable_translate
|
||
and room.need_translate
|
||
and (not cfg.allow_translate_rooms or client.room_id in cfg.allow_translate_rooms)
|
||
and services.translate.need_translate(text)
|
||
)
|
||
|
||
@staticmethod
|
||
async def _translate_and_response(text, room_key: RoomKey, msg_id, priority=services.translate.Priority.NORMAL):
|
||
translation = await services.translate.translate(text, priority)
|
||
if translation is None:
|
||
return
|
||
|
||
room = client_room_manager.get_room(room_key)
|
||
if room is None:
|
||
return
|
||
|
||
room.send_cmd_data_if(
|
||
lambda client: client.auto_translate,
|
||
api.chat.Command.UPDATE_TRANSLATION,
|
||
api.chat.make_translation_message_data(
|
||
msg_id,
|
||
translation
|
||
)
|
||
)
|
||
|
||
#
|
||
# 开放平台消息
|
||
#
|
||
|
||
def _on_open_live_danmaku(self, client: OpenLiveClient, message: dm_open_models.DanmakuMessage):
|
||
avatar_url = message.uface
|
||
services.avatar.update_avatar_cache_if_expired(message.uid, avatar_url)
|
||
|
||
room = client_room_manager.get_room(client.room_key)
|
||
if room is None:
|
||
return
|
||
|
||
if message.uid == client.room_owner_uid:
|
||
author_type = 3 # 主播
|
||
elif message.guard_level != 0: # 1总督，2提督，3舰长
|
||
author_type = 1 # 舰队
|
||
else:
|
||
author_type = 0
|
||
|
||
if message.dm_type == 1:
|
||
content_type = api.chat.ContentType.EMOTICON
|
||
content_type_params = api.chat.make_emoticon_params(message.emoji_img_url)
|
||
else:
|
||
content_type = api.chat.ContentType.TEXT
|
||
content_type_params = None
|
||
|
||
need_translate = (
|
||
content_type != api.chat.ContentType.EMOTICON and self._need_translate(message.msg, room, client)
|
||
)
|
||
if need_translate:
|
||
translation = services.translate.get_translation_from_cache(message.msg)
|
||
if translation is None:
|
||
# 没有缓存，需要后面异步翻译后通知
|
||
translation = ''
|
||
else:
|
||
need_translate = False
|
||
else:
|
||
translation = ''
|
||
|
||
room.send_cmd_data(api.chat.Command.ADD_TEXT, api.chat.make_text_message_data(
|
||
avatar_url=avatar_url,
|
||
timestamp=message.timestamp,
|
||
author_name=message.uname,
|
||
author_type=author_type,
|
||
content=message.msg,
|
||
privilege_type=message.guard_level,
|
||
medal_level=0 if not message.fans_medal_wearing_status else message.fans_medal_level,
|
||
id_=message.msg_id,
|
||
translation=translation,
|
||
content_type=content_type,
|
||
content_type_params=content_type_params,
|
||
))
|
||
|
||
if need_translate:
|
||
asyncio.create_task(self._translate_and_response(message.msg, room.room_key, message.msg_id))
|
||
|
||
def _on_open_live_gift(self, client: OpenLiveClient, message: dm_open_models.GiftMessage):
|
||
avatar_url = services.avatar.process_avatar_url(message.uface)
|
||
services.avatar.update_avatar_cache_if_expired(message.uid, avatar_url)
|
||
|
||
# 丢人
|
||
if not message.paid:
|
||
return
|
||
|
||
room = client_room_manager.get_room(client.room_key)
|
||
if room is None:
|
||
return
|
||
|
||
room.send_cmd_data(api.chat.Command.ADD_GIFT, {
|
||
'id': message.msg_id,
|
||
'avatarUrl': avatar_url,
|
||
'timestamp': message.timestamp,
|
||
'authorName': message.uname,
|
||
'totalCoin': message.price,
|
||
'giftName': message.gift_name,
|
||
'num': message.gift_num
|
||
})
|
||
|
||
def _on_open_live_buy_guard(self, client: OpenLiveClient, message: dm_open_models.GuardBuyMessage):
|
||
avatar_url = message.user_info.uface
|
||
services.avatar.update_avatar_cache_if_expired(message.user_info.uid, avatar_url)
|
||
|
||
room = client_room_manager.get_room(client.room_key)
|
||
if room is None:
|
||
return
|
||
|
||
room.send_cmd_data(api.chat.Command.ADD_MEMBER, {
|
||
'id': message.msg_id,
|
||
'avatarUrl': avatar_url,
|
||
'timestamp': message.timestamp,
|
||
'authorName': message.user_info.uname,
|
||
'privilegeType': message.guard_level
|
||
})
|
||
|
||
def _on_open_live_super_chat(self, client: OpenLiveClient, message: dm_open_models.SuperChatMessage):
|
||
avatar_url = services.avatar.process_avatar_url(message.uface)
|
||
services.avatar.update_avatar_cache_if_expired(message.uid, avatar_url)
|
||
|
||
room = client_room_manager.get_room(client.room_key)
|
||
if room is None:
|
||
return
|
||
|
||
need_translate = self._need_translate(message.message, room, client)
|
||
if need_translate:
|
||
translation = services.translate.get_translation_from_cache(message.message)
|
||
if translation is None:
|
||
# 没有缓存，需要后面异步翻译后通知
|
||
translation = ''
|
||
else:
|
||
need_translate = False
|
||
else:
|
||
translation = ''
|
||
|
||
msg_id = str(message.message_id)
|
||
room.send_cmd_data(api.chat.Command.ADD_SUPER_CHAT, {
|
||
'id': msg_id,
|
||
'avatarUrl': avatar_url,
|
||
'timestamp': message.start_time,
|
||
'authorName': message.uname,
|
||
'price': message.rmb,
|
||
'content': message.message,
|
||
'translation': translation
|
||
})
|
||
|
||
if need_translate:
|
||
asyncio.create_task(self._translate_and_response(
|
||
message.message, room.room_key, msg_id, services.translate.Priority.HIGH
|
||
))
|
||
|
||
def _on_open_live_super_chat_delete(self, client: OpenLiveClient, message: dm_open_models.SuperChatDeleteMessage):
|
||
room = client_room_manager.get_room(client.room_key)
|
||
if room is None:
|
||
return
|
||
|
||
room.send_cmd_data(api.chat.Command.DEL_SUPER_CHAT, {
|
||
'ids': list(map(str, message.message_ids))
|
||
})
|