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get_chat_photos.py
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125 lines (100 loc) · 4.21 KB
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# Hydrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2023 Dan <https://github.com/delivrance>
# Copyright (C) 2023-present Hydrogram <https://hydrogram.org>
#
# This file is part of Hydrogram.
#
# Hydrogram 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.
#
# Hydrogram 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 Hydrogram. If not, see <http://www.gnu.org/licenses/>.
from __future__ import annotations
from typing import TYPE_CHECKING
import hydrogram
from hydrogram import raw, types, utils
if TYPE_CHECKING:
from collections.abc import AsyncGenerator
class GetChatPhotos:
async def get_chat_photos(
self: hydrogram.Client,
chat_id: int | str,
limit: int = 0,
) -> AsyncGenerator[types.Photo, None] | None:
"""Get a chat or a user profile photos sequentially.
.. include:: /_includes/usable-by/users-bots.rst
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 profile photos to be retrieved.
By default, no limit is applied and all profile photos are returned.
Returns:
``Generator``: A generator yielding :obj:`~hydrogram.types.Photo` objects.
Example:
.. code-block:: python
async for photo in app.get_chat_photos("me"):
print(photo)
"""
peer_id = await self.resolve_peer(chat_id)
if isinstance(peer_id, raw.types.InputPeerChannel):
r = await self.invoke(raw.functions.channels.GetFullChannel(channel=peer_id))
current = types.Photo._parse(self, r.full_chat.chat_photo) or []
r = await utils.parse_messages(
self,
await self.invoke(
raw.functions.messages.Search(
peer=peer_id,
q="",
filter=raw.types.InputMessagesFilterChatPhotos(),
min_date=0,
max_date=0,
offset_id=0,
add_offset=0,
limit=limit,
max_id=0,
min_id=0,
hash=0,
)
),
)
if extra := [message.new_chat_photo for message in r]:
if current:
photos = ([current, *extra]) if current.file_id != extra[0].file_id else extra
else:
photos = extra
else:
photos = [current] if current else []
for current, photo in enumerate(photos, start=1):
yield photo
if current >= limit:
return
else:
current = 0
total = limit or (1 << 31)
limit = min(100, total)
offset = 0
while True:
r = await self.invoke(
raw.functions.photos.GetUserPhotos(
user_id=peer_id, offset=offset, max_id=0, limit=limit
)
)
photos = [types.Photo._parse(self, photo) for photo in r.photos]
if not photos:
return
offset += len(photos)
for photo in photos:
yield photo
current += 1
if current >= total:
return