119 lines
4.7 KiB
Python
119 lines
4.7 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-2020 Dan <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 logging
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from typing import Union, Iterable, List
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from pyrogram import raw
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from pyrogram import types
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from pyrogram import utils
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from pyrogram.scaffold import Scaffold
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log = logging.getLogger(__name__)
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# TODO: Rewrite using a flag for replied messages and have message_ids non-optional
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class GetMessages(Scaffold):
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async def get_messages(
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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
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) -> Union["types.Message", List["types.Message"]]:
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"""Get one or more messages from a chat by using message identifiers.
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You can retrieve up to 200 messages at once.
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Parameters:
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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.
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Pass 0 for no reply at all or -1 for unlimited replies.
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Defaults to 1.
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Returns:
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:obj:`~pyrogram.types.Message` | List of :obj:`~pyrogram.types.Message`: In case *message_ids* was an
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integer, the single requested message is returned, otherwise, in case *message_ids* was an iterable, the
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returned value will be a list of messages, even if such iterable contained just a single element.
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Example:
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.. code-block:: python
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# Get one message
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app.get_messages("pyrogramchat", 51110)
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# Get more than one message (list of messages)
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app.get_messages("pyrogramchat", [44625, 51110])
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# Get message by ignoring any replied-to message
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app.get_messages(chat_id, message_id, replies=0)
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# Get message with all chained replied-to messages
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app.get_messages(chat_id, message_id, replies=-1)
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# Get the replied-to message of a message
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app.get_messages(chat_id, reply_to_message_ids=message_id)
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Raises:
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ValueError: In case of invalid arguments.
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"""
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ids, ids_type = (
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(message_ids, raw.types.InputMessageID) if message_ids
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else (reply_to_message_ids, raw.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. Either pass message_ids or reply_to_message_ids")
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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(id=i) for i in ids]
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if replies < 0:
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replies = (1 << 31) - 1
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if isinstance(peer, raw.types.InputPeerChannel):
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rpc = raw.functions.channels.GetMessages(channel=peer, id=ids)
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else:
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rpc = raw.functions.messages.GetMessages(id=ids)
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r = await self.send(rpc, sleep_threshold=-1)
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messages = await utils.parse_messages(self, r, replies=replies)
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return messages if is_iterable else messages[0] if messages else None
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