155 lines
5.1 KiB
Python
155 lines
5.1 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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import pyrogram
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from pyrogram.api import types
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from . import message_parser
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from ..handler import (
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Handler, MessageHandler
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)
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log = logging.getLogger(__name__)
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class Dispatcher:
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MESSAGE_UPDATES = (
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types.UpdateNewMessage,
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types.UpdateNewChannelMessage
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)
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EDIT_UPDATES = (
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types.UpdateEditMessage,
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types.UpdateEditChannelMessage
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)
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ALLOWED_UPDATES = MESSAGE_UPDATES + EDIT_UPDATES
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def __init__(self, client, workers):
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self.client = client
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self.workers = workers
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self.updates = Queue()
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self.handlers = OrderedDict()
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def start(self):
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for i in range(self.workers):
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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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).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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def add_handler(self, handler: Handler, group: int):
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if group not in self.handlers:
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self.handlers[group] = {}
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self.handlers = OrderedDict(sorted(self.handlers.items()))
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if type(handler) not in self.handlers[group]:
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self.handlers[group][type(handler)] = handler
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else:
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raise ValueError(
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"'{0}' is already registered in Group #{1}. "
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"You can register a different handler in this group "
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"or another '{0}' in a different group".format(
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type(handler).__name__,
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group
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)
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)
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def dispatch(self, update):
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message = (update.message
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or update.channel_post
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or update.edited_message
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or update.edited_channel_post)
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if message:
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key = MessageHandler
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value = message
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else:
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return
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for group in self.handlers.values():
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handler = group.get(key, None)
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if handler is not None:
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handler.callback(self.client, value)
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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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if isinstance(update, Dispatcher.ALLOWED_UPDATES):
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if isinstance(update.message, types.Message):
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parser = message_parser.parse_message
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elif isinstance(update.message, types.MessageService):
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parser = message_parser.parse_message_service
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else:
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continue
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message = parser(
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self.client,
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update.message,
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users,
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chats
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)
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else:
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continue
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is_edited_message = isinstance(update, Dispatcher.EDIT_UPDATES)
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self.dispatch(
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pyrogram.Update(
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update_id=0,
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message=((message if message.chat.type != "channel"
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else None) if not is_edited_message
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else None),
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edited_message=((message if message.chat.type != "channel"
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else None) if is_edited_message
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else None),
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channel_post=((message if message.chat.type == "channel"
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else None) if not is_edited_message
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else None),
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edited_channel_post=((message if message.chat.type == "channel"
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else None) if is_edited_message
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else None)
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)
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)
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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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