text: #  Pyrogram - Telegram MTProto API Client Library for Python
  #  Copyright (C) 2017-2020 Dan <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 typing import Union
  
  from pyrogram import raw
  from pyrogram.scaffold import Scaffold
  
  
  class SetChatTitle(Scaffold):
      async def set_chat_title(
          self,
          chat_id: Union[int, str],
          title: str
      ) -> bool:
          """Change the title of a chat.
          Titles can't be changed for private chats.
          You must be an administrator in the chat for this to work and must have the appropriate admin rights.
  
          Note:
              In regular groups (non-supergroups), this method will only work if the "All Members Are Admins"
              setting is off.
  
          Parameters:
              chat_id (``int`` | ``str``):
                  Unique identifier (int) or username (str) of the target chat.
  
              title (``str``):
                  New chat title, 1-255 characters.
  
          Returns:
              ``bool``: True on success.
  
          Raises:
              ValueError: In case a chat id belongs to user.
  
          Example:
              .. code-block:: python
  
                  app.set_chat_title(chat_id, "New Title")
          """
          peer = await self.resolve_peer(chat_id)
  
          if isinstance(peer, raw.types.InputPeerChat):
              await self.send(
                  raw.functions.messages.EditChatTitle(
                      chat_id=peer.chat_id,
                      title=title
                  )
              )
          elif isinstance(peer, raw.types.InputPeerChannel):
              await self.send(
                  raw.functions.channels.EditTitle(
                      channel=peer,
                      title=title
                  )
              )
          else:
              raise ValueError(f'The chat_id "{chat_id}" belongs to a user')
  
          return True
  