84 lines
2.9 KiB
Python
84 lines
2.9 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-2018 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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import os
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from base64 import b64decode
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from struct import unpack
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from pyrogram.api import functions, types
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from ...ext import BaseClient
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class SetChatPhoto(BaseClient):
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def set_chat_photo(self, chat_id: int or str, photo: str):
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"""Use this method to set a new profile photo for the chat.
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Photos can't be changed for private chats.
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You must be an administrator in the chat for this to work and must have the appropriate admin rights.
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Note:
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In regular groups (non-supergroups), this method will only work if the "All Members Are Admins"
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setting is off.
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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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For a private channel/supergroup you can use its *t.me/joinchat/* link.
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photo (``str``):
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New chat photo. You can pass a :class:`Photo` id or a file path to upload a new photo.
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Returns:
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True on success.
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Raises:
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:class:`Error <pyrogram.Error>`
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``ValueError``: If a chat_id belongs to user.
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"""
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peer = self.resolve_peer(chat_id)
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if os.path.exists(photo):
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photo = types.InputChatUploadedPhoto(file=self.save_file(photo))
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else:
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s = unpack("<qq", b64decode(photo + "=" * (-len(photo) % 4), "-_"))
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photo = types.InputChatPhoto(
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id=types.InputPhoto(
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id=s[0],
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access_hash=s[1]
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)
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)
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if isinstance(peer, types.InputPeerChat):
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self.send(
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functions.messages.EditChatPhoto(
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chat_id=peer.chat_id,
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photo=photo
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)
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)
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elif isinstance(peer, types.InputPeerChannel):
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self.send(
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functions.channels.EditPhoto(
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channel=peer,
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photo=photo
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)
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)
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else:
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raise ValueError("The chat_id \"{}\" belongs to a user".format(chat_id))
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return True
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