MTPyroger/pyrogram/client/methods/chats/get_chat_members_count.py
Dan df8bc62fb3 Merge branch 'develop' into asyncio
# Conflicts:
#	pyrogram/__init__.py
#	pyrogram/client/methods/messages/send_document.py
#	pyrogram/client/methods/messages/send_video_note.py
2018-09-19 17:54:53 +02:00

58 lines
2.0 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/>.
from pyrogram.api import functions, types
from ...ext import BaseClient
class GetChatMembersCount(BaseClient):
async def get_chat_members_count(self, chat_id: int or str):
"""Use this method to get the number of members in a chat.
Args:
chat_id (``int`` | ``str``):
Unique identifier (int) or username (str) of the target chat.
Returns:
On success, an integer is returned.
Raises:
:class:`Error <pyrogram.Error>`
``ValueError``: If a chat_id belongs to user.
"""
peer = await self.resolve_peer(chat_id)
if isinstance(peer, types.InputPeerChat):
r = await self.send(
functions.messages.GetChats(
id=[peer.chat_id]
)
)
return r.chats[0].participants_count
elif isinstance(peer, types.InputPeerChannel):
r = await self.send(
functions.channels.GetFullChannel(
channel=peer
)
)
return r.full_chat.participants_count
else:
raise ValueError("The chat_id \"{}\" belongs to a user".format(chat_id))