mirror of
https://github.com/Mayuri-Chan/pyrofork.git
synced 2025-12-29 12:04:51 +00:00
119 lines
3.9 KiB
Python
119 lines
3.9 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
|
|
# Copyright (C) 2017-present 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 datetime import datetime
|
|
from typing import Union, Optional, AsyncGenerator
|
|
|
|
import pyrogram
|
|
from pyrogram import types, raw, utils
|
|
|
|
|
|
async def get_chunk(
|
|
*,
|
|
client: "pyrogram.Client",
|
|
chat_id: Union[int, str],
|
|
limit: int = 0,
|
|
offset: int = 0,
|
|
from_message_id: int = 0,
|
|
from_date: datetime = datetime.fromtimestamp(0)
|
|
):
|
|
messages = await client.invoke(
|
|
raw.functions.messages.GetHistory(
|
|
peer=await client.resolve_peer(chat_id),
|
|
offset_id=from_message_id,
|
|
offset_date=utils.datetime_to_timestamp(from_date),
|
|
add_offset=offset,
|
|
limit=limit,
|
|
max_id=0,
|
|
min_id=0,
|
|
hash=0
|
|
),
|
|
sleep_threshold=60
|
|
)
|
|
|
|
return await utils.parse_messages(client, messages, replies=0)
|
|
|
|
|
|
class GetChatHistory:
|
|
async def get_chat_history(
|
|
self: "pyrogram.Client",
|
|
chat_id: Union[int, str],
|
|
limit: int = 0,
|
|
offset: int = 0,
|
|
offset_id: int = 0,
|
|
offset_date: datetime = datetime.fromtimestamp(0)
|
|
) -> Optional[AsyncGenerator["types.Message", None]]:
|
|
"""Get messages from a chat history.
|
|
|
|
The messages are returned in reverse chronological order.
|
|
|
|
Parameters:
|
|
chat_id (``int`` | ``str``):
|
|
Unique identifier (int) or username (str) of the target chat.
|
|
For your personal cloud (Saved Messages) you can simply use "me" or "self".
|
|
For a contact that exists in your Telegram address book you can use his phone number (str).
|
|
|
|
limit (``int``, *optional*):
|
|
Limits the number of messages to be retrieved.
|
|
By default, no limit is applied and all messages are returned.
|
|
|
|
offset (``int``, *optional*):
|
|
Sequential number of the first message to be returned..
|
|
Negative values are also accepted and become useful in case you set offset_id or offset_date.
|
|
|
|
offset_id (``int``, *optional*):
|
|
Identifier of the first message to be returned.
|
|
|
|
offset_date (:py:obj:`~datetime.datetime`, *optional*):
|
|
Pass a date as offset to retrieve only older messages starting from that date.
|
|
|
|
Returns:
|
|
``Generator``: A generator yielding :obj:`~pyrogram.types.Message` objects.
|
|
|
|
Example:
|
|
.. code-block:: python
|
|
|
|
async for message in app.get_chat_history(chat_id):
|
|
print(message.text)
|
|
"""
|
|
current = 0
|
|
total = limit or (1 << 31) - 1
|
|
limit = min(100, total)
|
|
|
|
while True:
|
|
messages = await get_chunk(
|
|
client=self,
|
|
chat_id=chat_id,
|
|
limit=limit,
|
|
offset=offset,
|
|
from_message_id=offset_id,
|
|
from_date=offset_date
|
|
)
|
|
|
|
if not messages:
|
|
return
|
|
|
|
offset_id = messages[-1].id
|
|
|
|
for message in messages:
|
|
yield message
|
|
|
|
current += 1
|
|
|
|
if current >= total:
|
|
return
|