MTPyroger/pyrogram/client/dispatcher/dispatcher.py
Dan 017c61a876 Merge branch 'develop' into asyncio
# Conflicts:
#	pyrogram/client/dispatcher/dispatcher.py
#	pyrogram/client/methods/bots/request_callback_answer.py
#	pyrogram/client/types/messages_and_media/message.py
2018-11-20 19:40:07 +01:00

154 lines
5.2 KiB
Python

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