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search_messages.py
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# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2021 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 typing import Union, List, AsyncGenerator, Optional
from pyrogram import raw
from pyrogram import types
from pyrogram import utils
from pyrogram.scaffold import Scaffold
class Filters:
EMPTY = raw.types.InputMessagesFilterEmpty()
PHOTO = raw.types.InputMessagesFilterPhotos()
VIDEO = raw.types.InputMessagesFilterVideo()
PHOTO_VIDEO = raw.types.InputMessagesFilterPhotoVideo()
DOCUMENT = raw.types.InputMessagesFilterDocument()
URL = raw.types.InputMessagesFilterUrl()
ANIMATION = raw.types.InputMessagesFilterGif()
VOICE_NOTE = raw.types.InputMessagesFilterVoice()
AUDIO = raw.types.InputMessagesFilterMusic()
CHAT_PHOTO = raw.types.InputMessagesFilterChatPhotos()
PHONE_CALL = raw.types.InputMessagesFilterPhoneCalls()
AUDIO_VIDEO_NOTE = raw.types.InputMessagesFilterRoundVideo()
VIDEO_NOTE = raw.types.InputMessagesFilterRoundVideo()
MENTION = raw.types.InputMessagesFilterMyMentions()
LOCATION = raw.types.InputMessagesFilterGeo()
CONTACT = raw.types.InputMessagesFilterContacts()
PINNED = raw.types.InputMessagesFilterPinned()
POSSIBLE_VALUES = list(map(lambda x: x.lower(), filter(lambda x: not x.startswith("__"), Filters.__dict__.keys())))
# noinspection PyShadowingBuiltins
async def get_chunk(
client: Scaffold,
chat_id: Union[int, str],
query: str = "",
filter: str = "empty",
offset: int = 0,
limit: int = 100,
from_user: Union[int, str] = None
) -> List["types.Message"]:
try:
filter = Filters.__dict__[filter.upper()]
except KeyError:
raise ValueError('Invalid filter "{}". Possible values are: {}'.format(
filter, ", ".join(f'"{v}"' for v in POSSIBLE_VALUES))) from None
r = await client.send(
raw.functions.messages.Search(
peer=await client.resolve_peer(chat_id),
q=query,
filter=filter,
min_date=0,
max_date=0,
offset_id=0,
add_offset=offset,
limit=limit,
min_id=0,
max_id=0,
from_id=(
await client.resolve_peer(from_user)
if from_user
else None
),
hash=0
),
sleep_threshold=60
)
return await utils.parse_messages(client, r)
class SearchMessages(Scaffold):
# noinspection PyShadowingBuiltins
async def search_messages(
self,
chat_id: Union[int, str],
query: str = "",
offset: int = 0,
filter: str = "empty",
limit: int = 0,
from_user: Union[int, str] = None
) -> Optional[AsyncGenerator["types.Message", None]]:
"""Search for text and media messages inside a specific chat.
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).
query (``str``, *optional*):
Text query string.
Required for text-only messages, optional for media messages (see the ``filter`` argument).
When passed while searching for media messages, the query will be applied to captions.
Defaults to "" (empty string).
offset (``int``, *optional*):
Sequential number of the first message to be returned.
Defaults to 0.
filter (``str``, *optional*):
Pass a filter in order to search for specific kind of messages only:
- ``"empty"``: Search for all kind of messages (default).
- ``"photo"``: Search for photos.
- ``"video"``: Search for video.
- ``"photo_video"``: Search for either photo or video.
- ``"document"``: Search for documents (generic files).
- ``"url"``: Search for messages containing URLs (web links).
- ``"animation"``: Search for animations (GIFs).
- ``"voice_note"``: Search for voice notes.
- ``"audio"``: Search for audio files (music).
- ``"chat_photo"``: Search for chat photos.
- ``"phone_call"``: Search for phone calls.
- ``"audio_video_note"``: Search for either audio or video notes.
- ``"video_note"``: Search for video notes.
- ``"mention"``: Search for messages containing mentions to yourself.
- ``"location"``: Search for location messages.
- ``"contact"``: Search for contact messages.
- ``"pinned"``: Search for pinned messages.
limit (``int``, *optional*):
Limits the number of messages to be retrieved.
By default, no limit is applied and all messages are returned.
from_user (``int`` | ``str``):
Unique identifier (int) or username (str) of the target user you want to search for messages from.
Returns:
``Generator``: A generator yielding :obj:`~pyrogram.types.Message` objects.
Example:
.. code-block:: python
# Search for text messages in @pyrogramchat. Get the last 333 results
for message in app.search_messages("pyrogramchat", query="dan", limit=333):
print(message.text)
# Search for pinned messages in @pyrogramchat
for message in app.search_messages("pyrogramchat", filter="pinned"):
print(message.text)
# Search for messages containing "hi" sent by @haskell in @pyrogramchat
for message in app.search_messages("pyrogramchat", "hi", from_user="haskell"):
print(message.text)
"""
current = 0
total = abs(limit) or (1 << 31) - 1
limit = min(100, total)
while True:
messages = await get_chunk(
client=self,
chat_id=chat_id,
query=query,
filter=filter,
offset=offset,
limit=limit,
from_user=from_user
)
if not messages:
return
offset += len(messages)
for message in messages:
yield message
current += 1
if current >= total:
return