157 lines
5.0 KiB
Python
157 lines
5.0 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Pyrogram is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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import logging
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import threading
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from collections import OrderedDict
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from queue import Queue
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from threading import Thread
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from pyrogram.api import types
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from ..ext import utils
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from ..handlers import CallbackQueryHandler, MessageHandler, DeletedMessagesHandler, UserStatusHandler, RawUpdateHandler
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log = logging.getLogger(__name__)
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class Dispatcher:
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NEW_MESSAGE_UPDATES = (
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types.UpdateNewMessage,
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types.UpdateNewChannelMessage
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)
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EDIT_MESSAGE_UPDATES = (
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types.UpdateEditMessage,
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types.UpdateEditChannelMessage
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)
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DELETE_MESSAGE_UPDATES = (
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types.UpdateDeleteMessages,
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types.UpdateDeleteChannelMessages
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)
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CALLBACK_QUERY_UPDATES = (
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types.UpdateBotCallbackQuery,
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types.UpdateInlineBotCallbackQuery
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)
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MESSAGE_UPDATES = NEW_MESSAGE_UPDATES + EDIT_MESSAGE_UPDATES
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UPDATES = None
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def __init__(self, client, workers: int):
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self.client = client
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self.workers = workers
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self.workers_list = []
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self.updates = Queue()
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self.groups = OrderedDict()
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Dispatcher.UPDATES = {
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Dispatcher.MESSAGE_UPDATES:
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lambda upd, usr, cht: (utils.parse_messages(self.client, upd.message, usr, cht), MessageHandler),
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Dispatcher.DELETE_MESSAGE_UPDATES:
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lambda upd, usr, cht: (utils.parse_deleted_messages(upd), DeletedMessagesHandler),
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Dispatcher.CALLBACK_QUERY_UPDATES:
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lambda upd, usr, cht: (utils.parse_callback_query(self.client, upd, usr), CallbackQueryHandler),
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(types.UpdateUserStatus,):
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lambda upd, usr, cht: (utils.parse_user_status(upd.status, upd.user_id), UserStatusHandler)
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}
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Dispatcher.UPDATES = {key: value for key_tuple, value in Dispatcher.UPDATES.items() for key in key_tuple}
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def start(self):
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for i in range(self.workers):
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self.workers_list.append(
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Thread(
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target=self.update_worker,
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name="UpdateWorker#{}".format(i + 1)
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)
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)
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self.workers_list[-1].start()
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def stop(self):
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for _ in range(self.workers):
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self.updates.put(None)
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for worker in self.workers_list:
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worker.join()
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self.workers_list.clear()
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def add_handler(self, handler, group: int):
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if group not in self.groups:
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self.groups[group] = []
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self.groups = OrderedDict(sorted(self.groups.items()))
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self.groups[group].append(handler)
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def remove_handler(self, handler, group: int):
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if group not in self.groups:
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raise ValueError("Group {} does not exist. Handler was not removed.".format(group))
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self.groups[group].remove(handler)
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def update_worker(self):
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name = threading.current_thread().name
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log.debug("{} started".format(name))
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while True:
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update = self.updates.get()
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if update is None:
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break
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try:
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users = {i.id: i for i in update[1]}
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chats = {i.id: i for i in update[2]}
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update = update[0]
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parser = Dispatcher.UPDATES.get(type(update), None)
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if parser is None:
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continue
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update, handler_type = parser(update, users, chats)
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for group in self.groups.values():
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for handler in group:
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args = None
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if isinstance(handler, RawUpdateHandler):
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args = (update, users, chats)
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elif isinstance(handler, handler_type):
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if handler.check(update):
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args = (update,)
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if args is not None:
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try:
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handler.callback(self.client, *args)
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except Exception as e:
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log.error(e, exc_info=True)
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finally:
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break
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except Exception as e:
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log.error(e, exc_info=True)
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log.debug("{} stopped".format(name))
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