58 lines
2.0 KiB
Python
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))
|