mirror of
https://github.com/Mayuri-Chan/pyrofork.git
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143 lines
4.8 KiB
Python
143 lines
4.8 KiB
Python
# Pyrofork - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-present Dan <https://github.com/delivrance>
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# Copyright (C) 2022-present Mayuri-Chan <https://github.com/Mayuri-Chan>
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#
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# This file is part of Pyrofork.
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#
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# Pyrofork 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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# Pyrofork 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 Pyrofork. If not, see <http://www.gnu.org/licenses/>.
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from datetime import datetime
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from typing import Union, Optional, AsyncGenerator
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import pyrogram
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from pyrogram import types, raw, utils
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async def get_chunk(
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*,
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client: "pyrogram.Client",
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chat_id: Union[int, str],
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limit: int = 0,
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offset: int = 0,
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from_message_id: int = 0,
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from_date: datetime = utils.zero_datetime(),
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min_id: int = 0,
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max_id: int = 0,
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reverse: Optional[bool] = None
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):
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messages = await client.invoke(
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raw.functions.messages.GetHistory(
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peer=await client.resolve_peer(chat_id),
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offset_id=from_message_id,
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offset_date=utils.datetime_to_timestamp(from_date),
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add_offset=offset,
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limit=limit,
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max_id=max_id,
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min_id=min_id,
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hash=0
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),
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sleep_threshold=60
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)
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if reverse:
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messages.messages.reverse()
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return await utils.parse_messages(client, messages, replies=0)
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class GetChatHistory:
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async def get_chat_history(
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self: "pyrogram.Client",
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chat_id: Union[int, str],
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limit: int = 0,
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offset: int = 0,
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offset_id: int = 0,
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offset_date: datetime = utils.zero_datetime(),
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min_id: int = 0,
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max_id: int = 0,
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reverse: Optional[bool] = None
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) -> Optional[AsyncGenerator["types.Message", None]]:
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"""Get messages from a chat history.
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The messages are returned in reverse chronological order.
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.. include:: /_includes/usable-by/users.rst
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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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You can also use chat public link in form of *t.me/<username>* (str).
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limit (``int``, *optional*):
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Limits the number of messages to be retrieved.
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By default, no limit is applied and all messages are returned.
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offset (``int``, *optional*):
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Sequential number of the first message to be returned..
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Negative values are also accepted and become useful in case you set offset_id or offset_date.
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offset_id (``int``, *optional*):
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Identifier of the first message to be returned.
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offset_date (:py:obj:`~datetime.datetime`, *optional*):
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Pass a date as offset to retrieve only older messages starting from that date.
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min_id: (``int``, *optional*):
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The minimum message id. you will not get any message which have id smaller than min_id.
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max_id: (``int``, *optional*):
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The maximum message id. you will not get any message which have id greater than max_id.
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reverse (``bool``, *optional*):
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Pass True to retrieve the messages in reversed order (from older to most recent).
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Returns:
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``Generator``: A generator yielding :obj:`~pyrogram.types.Message` objects.
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Example:
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.. code-block:: python
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async for message in app.get_chat_history(chat_id):
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print(message.text)
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"""
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current = 0
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total = limit or (1 << 31) - 1
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limit = min(100, total)
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while True:
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messages = await get_chunk(
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client=self,
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chat_id=chat_id,
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limit=limit,
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offset=offset,
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from_message_id=offset_id,
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from_date=offset_date,
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min_id=min_id,
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max_id=max_id,
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reverse=reverse
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)
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if not messages:
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return
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offset_id = messages[-1].id
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for message in messages:
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yield message
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current += 1
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if current >= total:
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return
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