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# -*- coding: utf-8 -*-
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"""
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:authors: deker104, python273
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:license: Apache License, Version 2.0, see LICENSE file
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:copyright: (c) 2019 python273
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"""
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from enum import Enum
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import requests
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CHAT_START_ID = int(2E9)
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class DotDict(dict):
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__getattr__ = dict.get
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__setattr__ = dict.__setitem__
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__delattr__ = dict.__delitem__
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class VkBotEventType(Enum):
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MESSAGE_NEW = 'message_new'
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MESSAGE_REPLY = 'message_reply'
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MESSAGE_EDIT = 'message_edit'
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MESSAGE_EVENT = 'message_event'
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MESSAGE_TYPING_STATE = 'message_typing_state'
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MESSAGE_ALLOW = 'message_allow'
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MESSAGE_DENY = 'message_deny'
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PHOTO_NEW = 'photo_new'
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PHOTO_COMMENT_NEW = 'photo_comment_new'
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PHOTO_COMMENT_EDIT = 'photo_comment_edit'
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PHOTO_COMMENT_RESTORE = 'photo_comment_restore'
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PHOTO_COMMENT_DELETE = 'photo_comment_delete'
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AUDIO_NEW = 'audio_new'
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VIDEO_NEW = 'video_new'
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VIDEO_COMMENT_NEW = 'video_comment_new'
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VIDEO_COMMENT_EDIT = 'video_comment_edit'
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VIDEO_COMMENT_RESTORE = 'video_comment_restore'
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VIDEO_COMMENT_DELETE = 'video_comment_delete'
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WALL_POST_NEW = 'wall_post_new'
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WALL_REPOST = 'wall_repost'
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WALL_REPLY_NEW = 'wall_reply_new'
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WALL_REPLY_EDIT = 'wall_reply_edit'
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WALL_REPLY_RESTORE = 'wall_reply_restore'
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WALL_REPLY_DELETE = 'wall_reply_delete'
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BOARD_POST_NEW = 'board_post_new'
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BOARD_POST_EDIT = 'board_post_edit'
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BOARD_POST_RESTORE = 'board_post_restore'
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BOARD_POST_DELETE = 'board_post_delete'
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MARKET_COMMENT_NEW = 'market_comment_new'
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MARKET_COMMENT_EDIT = 'market_comment_edit'
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MARKET_COMMENT_RESTORE = 'market_comment_restore'
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MARKET_COMMENT_DELETE = 'market_comment_delete'
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GROUP_LEAVE = 'group_leave'
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GROUP_JOIN = 'group_join'
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USER_BLOCK = 'user_block'
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USER_UNBLOCK = 'user_unblock'
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POLL_VOTE_NEW = 'poll_vote_new'
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GROUP_OFFICERS_EDIT = 'group_officers_edit'
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GROUP_CHANGE_SETTINGS = 'group_change_settings'
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GROUP_CHANGE_PHOTO = 'group_change_photo'
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VKPAY_TRANSACTION = 'vkpay_transaction'
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class VkBotEvent(object):
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""" Событие Bots Long Poll
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:ivar raw: событие, в каком виде было получено от сервера
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:ivar type: тип события
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:vartype type: VkBotEventType or str
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:ivar t: сокращение для type
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:vartype t: VkBotEventType or str
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:ivar object: объект события, в каком виде был получен от сервера
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:ivar obj: сокращение для object
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:ivar group_id: ID группы бота
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:vartype group_id: int
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"""
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__slots__ = (
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'raw',
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't', 'type',
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'obj', 'object',
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'client_info', 'message',
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'group_id'
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)
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def __init__(self, raw):
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self.raw = raw
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try:
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self.type = VkBotEventType(raw['type'])
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except ValueError:
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self.type = raw['type']
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self.t = self.type # shortcut
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self.object = DotDict(raw['object'])
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try:
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self.message = DotDict(raw['object']['message'])
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except KeyError:
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self.message = None
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self.obj = self.object
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try:
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self.client_info = DotDict(raw['object']['client_info'])
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except KeyError:
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self.client_info = None
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self.group_id = raw['group_id']
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def __repr__(self):
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return '<{}({})>'.format(type(self), self.raw)
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class VkBotMessageEvent(VkBotEvent):
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""" Событие с сообщением Bots Long Poll
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:ivar from_user: сообщение от пользователя
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:vartype from_user: bool
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:ivar from_chat: сообщение из беседы
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:vartype from_chat: bool
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:ivar from_group: сообщение от группы
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:vartype from_group: bool
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:ivar chat_id: ID чата
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:vartype chat_id: int
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"""
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__slots__ = ('from_user', 'from_chat', 'from_group', 'chat_id')
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def __init__(self, raw):
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super(VkBotMessageEvent, self).__init__(raw)
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self.from_user = False
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self.from_chat = False
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self.from_group = False
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self.chat_id = None
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peer_id = self.obj.peer_id or self.message.peer_id
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if peer_id < 0:
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self.from_group = True
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elif peer_id < CHAT_START_ID:
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self.from_user = True
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else:
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self.from_chat = True
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self.chat_id = peer_id - CHAT_START_ID
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class VkBotLongPoll(object):
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""" Класс для работы с Bots Long Poll сервером
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`Подробнее в документации VK API <https://vk.com/dev/bots_longpoll>`__.
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:param vk: объект :class:`VkApi`
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:param group_id: id группы
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:param wait: время ожидания
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"""
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__slots__ = (
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'vk', 'wait', 'group_id',
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'url', 'session',
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'key', 'server', 'ts'
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)
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#: Классы для событий по типам
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CLASS_BY_EVENT_TYPE = {
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VkBotEventType.MESSAGE_NEW.value: VkBotMessageEvent,
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VkBotEventType.MESSAGE_REPLY.value: VkBotMessageEvent,
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VkBotEventType.MESSAGE_EDIT.value: VkBotMessageEvent,
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}
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#: Класс для событий
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DEFAULT_EVENT_CLASS = VkBotEvent
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def __init__(self, vk, group_id, wait=25):
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self.vk = vk
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self.group_id = group_id
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self.wait = wait
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self.url = None
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self.key = None
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self.server = None
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self.ts = None
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self.session = requests.Session()
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self.update_longpoll_server()
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def _parse_event(self, raw_event):
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event_class = self.CLASS_BY_EVENT_TYPE.get(
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raw_event['type'],
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self.DEFAULT_EVENT_CLASS
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)
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return event_class(raw_event)
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def update_longpoll_server(self, update_ts=True):
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values = {
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'group_id': self.group_id
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}
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response = self.vk.method('groups.getLongPollServer', values)
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self.key = response['key']
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self.server = response['server']
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self.url = self.server
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if update_ts:
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self.ts = response['ts']
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def check(self):
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""" Получить события от сервера один раз
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:returns: `list` of :class:`Event`
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"""
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values = {
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'act': 'a_check',
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'key': self.key,
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'ts': self.ts,
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'wait': self.wait,
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}
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response = self.session.get(
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self.url,
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params=values,
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timeout=self.wait + 10
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).json()
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if 'failed' not in response:
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self.ts = response['ts']
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return [
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self._parse_event(raw_event)
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for raw_event in response['updates']
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]
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elif response['failed'] == 1:
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self.ts = response['ts']
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elif response['failed'] == 2:
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self.update_longpoll_server(update_ts=False)
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elif response['failed'] == 3:
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self.update_longpoll_server()
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return []
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def listen(self):
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""" Слушать сервер
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:yields: :class:`Event`
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"""
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while True:
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for event in self.check():
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yield event
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