mirror of
https://github.com/xfgryujk/blivechat.git
synced 2024-12-28 05:40:19 +08:00
651 lines
22 KiB
Python
651 lines
22 KiB
Python
# -*- coding: utf-8 -*-
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import asyncio
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import enum
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import json
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import logging
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import random
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import time
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import uuid
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from typing import *
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import aiohttp
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import tornado.websocket
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import api.base
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import blivedm.blivedm as blivedm
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import blivedm.blivedm.client as blivedm_client
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import config
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import models.avatar
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import models.translate
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logger = logging.getLogger(__name__)
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class Command(enum.IntEnum):
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HEARTBEAT = 0
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JOIN_ROOM = 1
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ADD_TEXT = 2
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ADD_GIFT = 3
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ADD_MEMBER = 4
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ADD_SUPER_CHAT = 5
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DEL_SUPER_CHAT = 6
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UPDATE_TRANSLATION = 7
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_http_session = aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(total=10))
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room_manager: Optional['RoomManager'] = None
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def init():
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global room_manager
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room_manager = RoomManager()
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class Room(blivedm.BLiveClient, blivedm.BaseHandler):
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HEARTBEAT_INTERVAL = 10
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# 重新定义XXX_callback是为了减少对字段名的依赖，防止B站改字段名
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def __danmu_msg_callback(self, client: blivedm.BLiveClient, command: dict):
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info = command['info']
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if len(info[3]) != 0:
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medal_level = info[3][0]
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medal_room_id = info[3][3]
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else:
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medal_level = 0
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medal_room_id = 0
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# TODO 带表情信息
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message = blivedm.DanmakuMessage(
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timestamp=info[0][4],
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msg_type=info[0][9],
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msg=info[1],
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uid=info[2][0],
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uname=info[2][1],
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admin=info[2][2],
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urank=info[2][5],
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mobile_verify=info[2][6],
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medal_level=medal_level,
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medal_room_id=medal_room_id,
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user_level=info[4][0],
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privilege_type=info[7],
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)
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return self._on_danmaku(client, message)
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def __send_gift_callback(self, client: blivedm.BLiveClient, command: dict):
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data = command['data']
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message = blivedm.GiftMessage(
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gift_name=data['giftName'],
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num=data['num'],
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uname=data['uname'],
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face=data['face'],
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uid=data['uid'],
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timestamp=data['timestamp'],
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coin_type=data['coin_type'],
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total_coin=data['total_coin'],
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)
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return self._on_gift(client, message)
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def __guard_buy_callback(self, client: blivedm.BLiveClient, command: dict):
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data = command['data']
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message = blivedm.GuardBuyMessage(
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uid=data['uid'],
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username=data['username'],
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guard_level=data['guard_level'],
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start_time=data['start_time'],
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)
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return self._on_buy_guard(client, message)
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def __super_chat_message_callback(self, client: blivedm.BLiveClient, command: dict):
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data = command['data']
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message = blivedm.SuperChatMessage(
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price=data['price'],
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message=data['message'],
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start_time=data['start_time'],
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id_=data['id'],
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uid=data['uid'],
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uname=data['user_info']['uname'],
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face=data['user_info']['face'],
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)
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return self._on_super_chat(client, message)
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_CMD_CALLBACK_DICT = {
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**blivedm.BaseHandler._CMD_CALLBACK_DICT,
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'DANMU_MSG': __danmu_msg_callback,
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'SEND_GIFT': __send_gift_callback,
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'GUARD_BUY': __guard_buy_callback,
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'SUPER_CHAT_MESSAGE': __super_chat_message_callback
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}
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def __init__(self, room_id):
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super().__init__(room_id, session=_http_session, heartbeat_interval=self.HEARTBEAT_INTERVAL)
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self.add_handler(self)
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self.clients: List['ChatHandler'] = []
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self.auto_translate_count = 0
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async def init_room(self):
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await super().init_room()
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return True
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def send_message(self, cmd, data):
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body = json.dumps({'cmd': cmd, 'data': data})
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for client in self.clients:
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try:
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client.write_message(body)
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except tornado.websocket.WebSocketClosedError:
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room_manager.del_client(self.room_id, client)
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def send_message_if(self, can_send_func: Callable[['ChatHandler'], bool], cmd, data):
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body = json.dumps({'cmd': cmd, 'data': data})
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for client in filter(can_send_func, self.clients):
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try:
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client.write_message(body)
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except tornado.websocket.WebSocketClosedError:
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room_manager.del_client(self.room_id, client)
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async def _on_danmaku(self, client: blivedm.BLiveClient, message: blivedm.DanmakuMessage):
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if message.uid == self.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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need_translate = self._need_translate(message.msg)
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if need_translate:
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translation = models.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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id_ = uuid.uuid4().hex
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# 为了节省带宽用list而不是dict
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self.send_message(Command.ADD_TEXT, make_text_message(
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await models.avatar.get_avatar_url(message.uid),
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int(message.timestamp / 1000),
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message.uname,
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author_type,
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message.msg,
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message.privilege_type,
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message.msg_type,
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message.user_level,
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message.urank < 10000,
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message.mobile_verify,
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0 if message.medal_room_id != self.room_id else message.medal_level,
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id_,
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translation
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))
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if need_translate:
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asyncio.ensure_future(self._translate_and_response(message.msg, id_))
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async def _on_gift(self, client: blivedm.BLiveClient, message: blivedm.GiftMessage):
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avatar_url = models.avatar.process_avatar_url(message.face)
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models.avatar.update_avatar_cache(message.uid, avatar_url)
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if message.coin_type != 'gold': # 丢人
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return
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id_ = uuid.uuid4().hex
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self.send_message(Command.ADD_GIFT, {
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'id': id_,
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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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async def _on_buy_guard(self, client: blivedm.BLiveClient, message: blivedm.GuardBuyMessage):
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asyncio.ensure_future(self.__on_buy_guard(message))
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async def __on_buy_guard(self, message: blivedm.GuardBuyMessage):
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id_ = uuid.uuid4().hex
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self.send_message(Command.ADD_MEMBER, {
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'id': id_,
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'avatarUrl': await models.avatar.get_avatar_url(message.uid),
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'timestamp': message.start_time,
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'authorName': message.username,
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'privilegeType': message.guard_level
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})
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async def _on_super_chat(self, client: blivedm.BLiveClient, message: blivedm.SuperChatMessage):
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avatar_url = models.avatar.process_avatar_url(message.face)
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models.avatar.update_avatar_cache(message.uid, avatar_url)
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need_translate = self._need_translate(message.message)
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if need_translate:
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translation = models.translate.get_translation_from_cache(message.message)
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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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id_ = str(message.id)
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self.send_message(Command.ADD_SUPER_CHAT, {
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'id': id_,
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'avatarUrl': avatar_url,
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'timestamp': message.start_time,
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'authorName': message.uname,
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'price': message.price,
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'content': message.message,
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'translation': translation
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})
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if need_translate:
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asyncio.ensure_future(self._translate_and_response(message.message, id_))
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async def _on_super_chat_delete(self, client: blivedm.BLiveClient, message: blivedm.SuperChatDeleteMessage):
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self.send_message(Command.ADD_SUPER_CHAT, {
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'ids': list(map(str, message.ids))
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})
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def _need_translate(self, text):
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cfg = config.get_config()
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return (
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cfg.enable_translate
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and (not cfg.allow_translate_rooms or self.room_id in cfg.allow_translate_rooms)
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and self.auto_translate_count > 0
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and models.translate.need_translate(text)
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)
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async def _translate_and_response(self, text, msg_id):
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translation = await models.translate.translate(text)
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if translation is None:
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return
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self.send_message_if(
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lambda client: client.auto_translate,
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Command.UPDATE_TRANSLATION, make_translation_message(
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msg_id,
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translation
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)
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)
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def make_text_message(avatar_url, timestamp, author_name, author_type, content, privilege_type,
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is_gift_danmaku, author_level, is_newbie, is_mobile_verified, medal_level,
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id_, translation):
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return [
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# 0: avatarUrl
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avatar_url,
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# 1: timestamp
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timestamp,
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# 2: authorName
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author_name,
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# 3: authorType
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author_type,
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# 4: content
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content,
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# 5: privilegeType
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privilege_type,
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# 6: isGiftDanmaku
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1 if is_gift_danmaku else 0,
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# 7: authorLevel
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author_level,
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# 8: isNewbie
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1 if is_newbie else 0,
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# 9: isMobileVerified
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1 if is_mobile_verified else 0,
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# 10: medalLevel
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medal_level,
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# 11: id
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id_,
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# 12: translation
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translation
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]
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def make_translation_message(msg_id, translation):
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return [
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# 0: id
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msg_id,
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# 1: translation
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translation
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]
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class RoomManager:
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def __init__(self):
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self._rooms: Dict[int, Room] = {}
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async def add_client(self, room_id, client: 'ChatHandler'):
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if room_id not in self._rooms:
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if not await self._add_room(room_id):
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client.close()
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return
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room = self._rooms.get(room_id, None)
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if room is None:
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return
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room.clients.append(client)
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logger.info('%d clients in room %s', len(room.clients), room_id)
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if client.auto_translate:
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room.auto_translate_count += 1
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await client.on_join_room()
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def del_client(self, room_id, client: 'ChatHandler'):
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room = self._rooms.get(room_id, None)
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if room is None:
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return
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try:
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room.clients.remove(client)
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except ValueError:
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# _add_room未完成，没有执行到room.clients.append
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pass
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else:
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logger.info('%d clients in room %s', len(room.clients), room_id)
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if client.auto_translate:
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room.auto_translate_count = max(0, room.auto_translate_count - 1)
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if not room.clients:
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self._del_room(room_id)
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async def _add_room(self, room_id):
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if room_id in self._rooms:
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return True
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logger.info('Creating room %d', room_id)
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self._rooms[room_id] = room = Room(room_id)
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if await room.init_room():
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room.start()
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logger.info('%d rooms', len(self._rooms))
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return True
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else:
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self._del_room(room_id)
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return False
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def _del_room(self, room_id):
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room = self._rooms.get(room_id, None)
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if room is None:
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return
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logger.info('Removing room %d', room_id)
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for client in room.clients:
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client.close()
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asyncio.ensure_future(room.stop_and_close())
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self._rooms.pop(room_id, None)
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logger.info('%d rooms', len(self._rooms))
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# noinspection PyAbstractClass
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class ChatHandler(tornado.websocket.WebSocketHandler):
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HEARTBEAT_INTERVAL = 10
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RECEIVE_TIMEOUT = HEARTBEAT_INTERVAL + 5
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self._heartbeat_timer_handle = None
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self._receive_timeout_timer_handle = None
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self.room_id = None
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self.auto_translate = False
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def open(self):
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logger.info('Websocket connected %s', self.request.remote_ip)
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self._heartbeat_timer_handle = asyncio.get_event_loop().call_later(
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self.HEARTBEAT_INTERVAL, self._on_send_heartbeat
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)
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self._refresh_receive_timeout_timer()
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def _on_send_heartbeat(self):
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self.send_message(Command.HEARTBEAT, {})
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self._heartbeat_timer_handle = asyncio.get_event_loop().call_later(
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self.HEARTBEAT_INTERVAL, self._on_send_heartbeat
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)
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def _refresh_receive_timeout_timer(self):
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if self._receive_timeout_timer_handle is not None:
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self._receive_timeout_timer_handle.cancel()
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self._receive_timeout_timer_handle = asyncio.get_event_loop().call_later(
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self.RECEIVE_TIMEOUT, self._on_receive_timeout
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)
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def _on_receive_timeout(self):
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logger.warning('Client %s timed out', self.request.remote_ip)
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self._receive_timeout_timer_handle = None
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self.close()
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def on_close(self):
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logger.info('Websocket disconnected %s room: %s', self.request.remote_ip, str(self.room_id))
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if self.has_joined_room:
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room_manager.del_client(self.room_id, self)
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if self._heartbeat_timer_handle is not None:
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self._heartbeat_timer_handle.cancel()
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self._heartbeat_timer_handle = None
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if self._receive_timeout_timer_handle is not None:
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self._receive_timeout_timer_handle.cancel()
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self._receive_timeout_timer_handle = None
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def on_message(self, message):
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try:
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# 超时没有加入房间也断开
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if self.has_joined_room:
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self._refresh_receive_timeout_timer()
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body = json.loads(message)
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cmd = body['cmd']
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if cmd == Command.HEARTBEAT:
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pass
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elif cmd == Command.JOIN_ROOM:
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if self.has_joined_room:
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return
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self._refresh_receive_timeout_timer()
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self.room_id = int(body['data']['roomId'])
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logger.info('Client %s is joining room %d', self.request.remote_ip, self.room_id)
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try:
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cfg = body['data']['config']
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self.auto_translate = cfg['autoTranslate']
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except KeyError:
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pass
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asyncio.ensure_future(room_manager.add_client(self.room_id, self))
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else:
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logger.warning('Unknown cmd, client: %s, cmd: %d, body: %s', self.request.remote_ip, cmd, body)
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except Exception:
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logger.exception('on_message error, client: %s, message: %s', self.request.remote_ip, message)
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# 跨域测试用
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def check_origin(self, origin):
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if self.application.settings['debug']:
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return True
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return super().check_origin(origin)
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@property
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def has_joined_room(self):
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return self.room_id is not None
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def send_message(self, cmd, data):
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body = json.dumps({'cmd': cmd, 'data': data})
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try:
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self.write_message(body)
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except tornado.websocket.WebSocketClosedError:
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self.close()
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async def on_join_room(self):
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if self.application.settings['debug']:
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await self.send_test_message()
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# 不允许自动翻译的提示
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if self.auto_translate:
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cfg = config.get_config()
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if cfg.allow_translate_rooms and self.room_id not in cfg.allow_translate_rooms:
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self.send_message(Command.ADD_TEXT, make_text_message(
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models.avatar.DEFAULT_AVATAR_URL,
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int(time.time()),
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'blivechat',
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2,
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'Translation is not allowed in this room. Please download to use translation',
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0,
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False,
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60,
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False,
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True,
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0,
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uuid.uuid4().hex,
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''
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))
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# 测试用
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async def send_test_message(self):
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base_data = {
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'avatarUrl': await models.avatar.get_avatar_url(300474),
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'timestamp': int(time.time()),
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'authorName': 'xfgryujk',
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}
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text_data = make_text_message(
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base_data['avatarUrl'],
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base_data['timestamp'],
|
||
base_data['authorName'],
|
||
0,
|
||
'我能吞下玻璃而不伤身体',
|
||
0,
|
||
False,
|
||
20,
|
||
False,
|
||
True,
|
||
0,
|
||
uuid.uuid4().hex,
|
||
''
|
||
)
|
||
member_data = {
|
||
**base_data,
|
||
'id': uuid.uuid4().hex,
|
||
'privilegeType': 3
|
||
}
|
||
gift_data = {
|
||
**base_data,
|
||
'id': uuid.uuid4().hex,
|
||
'totalCoin': 450000,
|
||
'giftName': '摩天大楼',
|
||
'num': 1
|
||
}
|
||
sc_data = {
|
||
**base_data,
|
||
'id': str(random.randint(1, 65535)),
|
||
'price': 30,
|
||
'content': 'The quick brown fox jumps over the lazy dog',
|
||
'translation': ''
|
||
}
|
||
self.send_message(Command.ADD_TEXT, text_data)
|
||
text_data[2] = '主播'
|
||
text_data[3] = 3
|
||
text_data[4] = "I can eat glass, it doesn't hurt me."
|
||
text_data[11] = uuid.uuid4().hex
|
||
self.send_message(Command.ADD_TEXT, text_data)
|
||
self.send_message(Command.ADD_MEMBER, member_data)
|
||
self.send_message(Command.ADD_SUPER_CHAT, sc_data)
|
||
sc_data['id'] = str(random.randint(1, 65535))
|
||
sc_data['price'] = 100
|
||
sc_data['content'] = '敏捷的棕色狐狸跳过了懒狗'
|
||
self.send_message(Command.ADD_SUPER_CHAT, sc_data)
|
||
# self.send_message(Command.DEL_SUPER_CHAT, {'ids': [sc_data['id']]})
|
||
self.send_message(Command.ADD_GIFT, gift_data)
|
||
gift_data['id'] = uuid.uuid4().hex
|
||
gift_data['totalCoin'] = 1245000
|
||
gift_data['giftName'] = '小电视飞船'
|
||
self.send_message(Command.ADD_GIFT, gift_data)
|
||
|
||
|
||
# noinspection PyAbstractClass
|
||
class RoomInfoHandler(api.base.ApiHandler):
|
||
_host_server_list_cache = blivedm_client.DEFAULT_DANMAKU_SERVER_LIST
|
||
|
||
async def get(self):
|
||
room_id = int(self.get_query_argument('roomId'))
|
||
logger.info('Client %s is getting room info %d', self.request.remote_ip, room_id)
|
||
room_id, owner_uid = await self._get_room_info(room_id)
|
||
host_server_list = await self._get_server_host_list(room_id)
|
||
if owner_uid == 0:
|
||
# 缓存3分钟
|
||
self.set_header('Cache-Control', 'private, max-age=180')
|
||
else:
|
||
# 缓存1天
|
||
self.set_header('Cache-Control', 'private, max-age=86400')
|
||
self.write({
|
||
'roomId': room_id,
|
||
'ownerUid': owner_uid,
|
||
'hostServerList': host_server_list
|
||
})
|
||
|
||
@staticmethod
|
||
async def _get_room_info(room_id):
|
||
try:
|
||
async with _http_session.get(blivedm_client.ROOM_INIT_URL, params={'room_id': room_id}
|
||
) as res:
|
||
if res.status != 200:
|
||
logger.warning('room %d _get_room_info failed: %d %s', room_id,
|
||
res.status, res.reason)
|
||
return room_id, 0
|
||
data = await res.json()
|
||
except (aiohttp.ClientConnectionError, asyncio.TimeoutError):
|
||
logger.exception('room %d _get_room_info failed', room_id)
|
||
return room_id, 0
|
||
|
||
if data['code'] != 0:
|
||
logger.warning('room %d _get_room_info failed: %s', room_id, data['message'])
|
||
return room_id, 0
|
||
|
||
room_info = data['data']['room_info']
|
||
return room_info['room_id'], room_info['uid']
|
||
|
||
@classmethod
|
||
async def _get_server_host_list(cls, _room_id):
|
||
return cls._host_server_list_cache
|
||
|
||
# 连接其他host必须要key
|
||
# try:
|
||
# async with _http_session.get(blivedm.DANMAKU_SERVER_CONF_URL, params={'id': room_id, 'type': 0}
|
||
# ) as res:
|
||
# if res.status != 200:
|
||
# logger.warning('room %d _get_server_host_list failed: %d %s', room_id,
|
||
# res.status, res.reason)
|
||
# return cls._host_server_list_cache
|
||
# data = await res.json()
|
||
# except (aiohttp.ClientConnectionError, asyncio.TimeoutError):
|
||
# logger.exception('room %d _get_server_host_list failed', room_id)
|
||
# return cls._host_server_list_cache
|
||
#
|
||
# if data['code'] != 0:
|
||
# logger.warning('room %d _get_server_host_list failed: %s', room_id, data['message'])
|
||
# return cls._host_server_list_cache
|
||
#
|
||
# host_server_list = data['data']['host_list']
|
||
# if not host_server_list:
|
||
# logger.warning('room %d _get_server_host_list failed: host_server_list is empty')
|
||
# return cls._host_server_list_cache
|
||
#
|
||
# cls._host_server_list_cache = host_server_list
|
||
# return host_server_list
|
||
|
||
|
||
# noinspection PyAbstractClass
|
||
class AvatarHandler(api.base.ApiHandler):
|
||
async def get(self):
|
||
uid = int(self.get_query_argument('uid'))
|
||
avatar_url = await models.avatar.get_avatar_url_or_none(uid)
|
||
if avatar_url is None:
|
||
avatar_url = models.avatar.DEFAULT_AVATAR_URL
|
||
# 缓存3分钟
|
||
self.set_header('Cache-Control', 'private, max-age=180')
|
||
else:
|
||
# 缓存1天
|
||
self.set_header('Cache-Control', 'private, max-age=86400')
|
||
self.write({
|
||
'avatarUrl': avatar_url
|
||
})
|