68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
|
|
# Copyright (C) 2017-2019 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 pyrogram
|
|
from pyrogram.api import functions, types
|
|
from ...ext import BaseClient
|
|
|
|
|
|
class GetChatPreview(BaseClient):
|
|
def get_chat_preview(
|
|
self,
|
|
invite_link: str
|
|
):
|
|
"""Use this method to get the preview of a chat using the invite link.
|
|
|
|
This method only returns a chat preview, if you want to join a chat use :meth:`join_chat`
|
|
|
|
Parameters:
|
|
invite_link (``str``):
|
|
Unique identifier for the target chat in form of *t.me/joinchat/* links.
|
|
|
|
Returns:
|
|
:obj:`Chat`: In case you already joined the chat.
|
|
|
|
:obj:`ChatPreview` -- In case you haven't joined the chat yet.
|
|
|
|
Raises:
|
|
RPCError: In case of a Telegram RPC error.
|
|
ValueError: In case of an invalid invite link.
|
|
"""
|
|
match = self.INVITE_LINK_RE.match(invite_link)
|
|
|
|
if match:
|
|
r = self.send(
|
|
functions.messages.CheckChatInvite(
|
|
hash=match.group(1)
|
|
)
|
|
)
|
|
|
|
if isinstance(r, types.ChatInvite):
|
|
return pyrogram.ChatPreview._parse(self, r)
|
|
|
|
if isinstance(r, types.ChatInviteAlready):
|
|
chat = r.chat
|
|
|
|
if isinstance(chat, types.Chat):
|
|
return pyrogram.Chat._parse_chat_chat(self, chat)
|
|
|
|
if isinstance(chat, types.Channel):
|
|
return pyrogram.Chat._parse_channel_chat(self, chat)
|
|
else:
|
|
raise ValueError("The invite_link is invalid")
|