MTPyroger/pyrogram/client/dispatcher/dispatcher.py
2018-04-10 14:52:31 +02:00

151 lines
5.1 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 logging
import threading
from collections import OrderedDict
from queue import Queue
from threading import Thread
import pyrogram
from pyrogram.api import types
from .. import message_parser
from ..handler import (
Handler, RawUpdateHandler
)
log = logging.getLogger(__name__)
class Dispatcher:
MESSAGE_UPDATES = (
types.UpdateNewMessage,
types.UpdateNewChannelMessage
)
EDIT_UPDATES = (
types.UpdateEditMessage,
types.UpdateEditChannelMessage
)
ALLOWED_UPDATES = MESSAGE_UPDATES + EDIT_UPDATES
def __init__(self, client, workers):
self.client = client
self.workers = workers
self.updates = Queue()
self.groups = OrderedDict()
def start(self):
for i in range(self.workers):
Thread(
target=self.update_worker,
name="UpdateWorker#{}".format(i + 1)
).start()
def stop(self):
for _ in range(self.workers):
self.updates.put(None)
def add_handler(self, handler: 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 dispatch(self, update, users: dict = None, chats: dict = None, is_raw: bool = False):
for group in self.groups.values():
for handler in group:
if is_raw:
if not isinstance(handler, RawUpdateHandler):
continue
args = (self.client, update, users, chats)
else:
message = (update.message
or update.channel_post
or update.edited_message
or update.edited_channel_post)
if not handler.check(message):
continue
args = (self.client, message)
handler.callback(*args)
break
def update_worker(self):
name = threading.current_thread().name
log.debug("{} started".format(name))
while True:
update = self.updates.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]
self.dispatch(update, users=users, chats=chats, is_raw=True)
if isinstance(update, Dispatcher.ALLOWED_UPDATES):
if isinstance(update.message, types.Message):
parser = message_parser.parse_message
elif isinstance(update.message, types.MessageService):
parser = message_parser.parse_message_service
else:
continue
message = parser(
self.client,
update.message,
users,
chats
)
else:
continue
is_edited_message = isinstance(update, Dispatcher.EDIT_UPDATES)
self.dispatch(
pyrogram.Update(
update_id=0,
message=((message if message.chat.type != "channel"
else None) if not is_edited_message
else None),
edited_message=((message if message.chat.type != "channel"
else None) if is_edited_message
else None),
channel_post=((message if message.chat.type == "channel"
else None) if not is_edited_message
else None),
edited_channel_post=((message if message.chat.type == "channel"
else None) if is_edited_message
else None)
)
)
except Exception as e:
log.error(e, exc_info=True)
log.debug("{} stopped".format(name))