79 lines
2.9 KiB
Python
79 lines
2.9 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-2019 Dan Tès <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Pyrogram is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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from typing import Union
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import pyrogram
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from pyrogram.api import functions, types
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from ...ext import BaseClient
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class GetChat(BaseClient):
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def get_chat(
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self,
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chat_id: Union[int, str]
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) -> "pyrogram.Chat":
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"""Use this method to get up to date information about the chat (current name of the user for
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one-on-one conversations, current username of a user, group or channel, etc.)
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Args:
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chat_id (``int`` | ``str``):
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Unique identifier (int) or username (str) of the target chat.
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Unique identifier for the target chat in form of a *t.me/joinchat/* link, identifier (int) or username
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of the target channel/supergroup (in the format @username).
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Returns:
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On success, a :obj:`Chat <pyrogram.Chat>` object is returned.
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Raises:
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:class:`Error <pyrogram.Error>` in case of a Telegram RPC error.
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``ValueError`` in case the chat invite link refers to a chat you haven't joined yet.
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"""
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match = self.INVITE_LINK_RE.match(str(chat_id))
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if match:
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h = match.group(1)
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r = self.send(
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functions.messages.CheckChatInvite(
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hash=h
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)
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)
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if isinstance(r, types.ChatInvite):
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raise ValueError("You haven't joined \"t.me/joinchat/{}\" yet".format(h))
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self.fetch_peers([r.chat])
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if isinstance(r.chat, types.Chat):
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chat_id = -r.chat.id
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if isinstance(r.chat, types.Channel):
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chat_id = int("-100" + str(r.chat.id))
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peer = self.resolve_peer(chat_id)
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if isinstance(peer, types.InputPeerChannel):
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r = self.send(functions.channels.GetFullChannel(channel=peer))
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elif isinstance(peer, (types.InputPeerUser, types.InputPeerSelf)):
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r = self.send(functions.users.GetFullUser(id=peer))
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else:
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r = self.send(functions.messages.GetFullChat(chat_id=peer.chat_id))
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return pyrogram.Chat._parse_full(self, r)
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