84 lines
3.7 KiB
Python
84 lines
3.7 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, Iterable
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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 GetMessages(BaseClient):
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async def get_messages(self,
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chat_id: Union[int, str],
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message_ids: Union[int, Iterable[int]] = None,
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reply_to_message_ids: Union[int, Iterable[int]] = None,
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replies: int = 1) -> "pyrogram.Messages":
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"""Use this method to get one or more messages that belong to a specific chat.
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You can retrieve up to 200 messages at once.
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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 your personal cloud (Saved Messages) you can simply use "me" or "self".
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For a contact that exists in your Telegram address book you can use his phone number (str).
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message_ids (``iterable``, *optional*):
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Pass a single message identifier or a list of message ids (as integers) to get the content of the
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message themselves. Iterators and Generators are also accepted.
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reply_to_message_ids (``iterable``, *optional*):
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Pass a single message identifier or a list of message ids (as integers) to get the content of
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the previous message you replied to using this message. Iterators and Generators are also accepted.
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If *message_ids* is set, this argument will be ignored.
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replies (``int``, *optional*):
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The number of subsequent replies to get for each message. Defaults to 1.
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Returns:
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On success and in case *message_ids* or *reply_to_message_ids* was an iterable, the returned value will be a
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:obj:`Messages <pyrogram.Messages>` even if a list contains just one element. Otherwise, if *message_ids* or
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*reply_to_message_ids* was an integer, the single requested :obj:`Message <pyrogram.Message>` 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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"""
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ids, ids_type = (
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(message_ids, types.InputMessageID) if message_ids
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else (reply_to_message_ids, types.InputMessageReplyTo) if reply_to_message_ids
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else (None, None)
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)
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if ids is None:
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raise ValueError("No argument supplied")
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peer = await self.resolve_peer(chat_id)
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is_iterable = not isinstance(ids, int)
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ids = list(ids) if is_iterable else [ids]
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ids = [ids_type(i) for i in ids]
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if isinstance(peer, types.InputPeerChannel):
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rpc = functions.channels.GetMessages(channel=peer, id=ids)
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else:
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rpc = functions.messages.GetMessages(id=ids)
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messages = await pyrogram.Messages._parse(self, await self.send(rpc), replies)
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return messages if is_iterable else messages.messages[0]
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