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Telethon/telethon/client/chats.py
Lonami Exo 949b54fdb0 Fix edit_admin failing on small Chat
2022-10-13 17:56:47 +02:00

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import asyncio
import inspect
import itertools
import string
import typing
from .. import helpers, utils, hints, errors
from ..requestiter import RequestIter
from ..tl import types, functions, custom
if typing.TYPE_CHECKING:
from .telegramclient import TelegramClient
_MAX_PARTICIPANTS_CHUNK_SIZE = 200
_MAX_ADMIN_LOG_CHUNK_SIZE = 100
_MAX_PROFILE_PHOTO_CHUNK_SIZE = 100
class _ChatAction:
_str_mapping = {
'typing': types.SendMessageTypingAction(),
'contact': types.SendMessageChooseContactAction(),
'game': types.SendMessageGamePlayAction(),
'location': types.SendMessageGeoLocationAction(),
'sticker': types.SendMessageChooseStickerAction(),
'record-audio': types.SendMessageRecordAudioAction(),
'record-voice': types.SendMessageRecordAudioAction(), # alias
'record-round': types.SendMessageRecordRoundAction(),
'record-video': types.SendMessageRecordVideoAction(),
'audio': types.SendMessageUploadAudioAction(1),
'voice': types.SendMessageUploadAudioAction(1), # alias
'song': types.SendMessageUploadAudioAction(1), # alias
'round': types.SendMessageUploadRoundAction(1),
'video': types.SendMessageUploadVideoAction(1),
'photo': types.SendMessageUploadPhotoAction(1),
'document': types.SendMessageUploadDocumentAction(1),
'file': types.SendMessageUploadDocumentAction(1), # alias
'cancel': types.SendMessageCancelAction()
}
def __init__(self, client, chat, action, *, delay, auto_cancel):
self._client = client
self._chat = chat
self._action = action
self._delay = delay
self._auto_cancel = auto_cancel
self._request = None
self._task = None
self._running = False
async def __aenter__(self):
self._chat = await self._client.get_input_entity(self._chat)
# Since `self._action` is passed by reference we can avoid
# recreating the request all the time and still modify
# `self._action.progress` directly in `progress`.
self._request = functions.messages.SetTypingRequest(
self._chat, self._action)
self._running = True
self._task = self._client.loop.create_task(self._update())
return self
async def __aexit__(self, *args):
self._running = False
if self._task:
self._task.cancel()
try:
await self._task
except asyncio.CancelledError:
pass
self._task = None
__enter__ = helpers._sync_enter
__exit__ = helpers._sync_exit
async def _update(self):
try:
while self._running:
await self._client(self._request)
await asyncio.sleep(self._delay)
except ConnectionError:
pass
except asyncio.CancelledError:
if self._auto_cancel:
await self._client(functions.messages.SetTypingRequest(
self._chat, types.SendMessageCancelAction()))
def progress(self, current, total):
if hasattr(self._action, 'progress'):
self._action.progress = 100 * round(current / total)
class _ParticipantsIter(RequestIter):
async def _init(self, entity, filter, search):
if isinstance(filter, type):
if filter in (types.ChannelParticipantsBanned,
types.ChannelParticipantsKicked,
types.ChannelParticipantsSearch,
types.ChannelParticipantsContacts):
# These require a `q` parameter (support types for convenience)
filter = filter('')
else:
filter = filter()
entity = await self.client.get_input_entity(entity)
ty = helpers._entity_type(entity)
if search and (filter or ty != helpers._EntityType.CHANNEL):
# We need to 'search' ourselves unless we have a PeerChannel
search = search.casefold()
self.filter_entity = lambda ent: (
search in utils.get_display_name(ent).casefold() or
search in (getattr(ent, 'username', None) or '').casefold()
)
else:
self.filter_entity = lambda ent: True
# Only used for channels, but we should always set the attribute
# Called `requests` even though it's just one for legacy purposes.
self.requests = None
if ty == helpers._EntityType.CHANNEL:
if self.limit <= 0:
# May not have access to the channel, but getFull can get the .total.
self.total = (await self.client(
functions.channels.GetFullChannelRequest(entity)
)).full_chat.participants_count
raise StopAsyncIteration
self.seen = set()
self.requests = functions.channels.GetParticipantsRequest(
channel=entity,
filter=filter or types.ChannelParticipantsSearch(search),
offset=0,
limit=_MAX_PARTICIPANTS_CHUNK_SIZE,
hash=0
)
elif ty == helpers._EntityType.CHAT:
full = await self.client(
functions.messages.GetFullChatRequest(entity.chat_id))
if not isinstance(
full.full_chat.participants, types.ChatParticipants):
# ChatParticipantsForbidden won't have ``.participants``
self.total = 0
raise StopAsyncIteration
self.total = len(full.full_chat.participants.participants)
users = {user.id: user for user in full.users}
for participant in full.full_chat.participants.participants:
if isinstance(participant, types.ChannelParticipantLeft):
# See issue #3231 to learn why this is ignored.
continue
elif isinstance(participant, types.ChannelParticipantBanned):
user_id = participant.peer.user_id
else:
user_id = participant.user_id
user = users[user_id]
if not self.filter_entity(user):
continue
user = users[user_id]
user.participant = participant
self.buffer.append(user)
return True
else:
self.total = 1
if self.limit != 0:
user = await self.client.get_entity(entity)
if self.filter_entity(user):
user.participant = None
self.buffer.append(user)
return True
async def _load_next_chunk(self):
if not self.requests:
return True
self.requests.limit = min(self.limit - self.requests.offset, _MAX_PARTICIPANTS_CHUNK_SIZE)
if self.requests.offset > self.limit:
return True
if self.total is None:
f = self.requests.filter
if (
not isinstance(f, types.ChannelParticipantsRecent)
and (not isinstance(f, types.ChannelParticipantsSearch) or f.q)
):
# Only do an additional getParticipants here to get the total
# if there's a filter which would reduce the real total number.
# getParticipants is cheaper than getFull.
self.total = (await self.client(functions.channels.GetParticipantsRequest(
channel=self.requests.channel,
filter=types.ChannelParticipantsRecent(),
offset=0,
limit=1,
hash=0
))).count
participants = await self.client(self.requests)
if self.total is None:
# Will only get here if there was one request with a filter that matched all users.
self.total = participants.count
if not participants.users:
self.requests = None
return
self.requests.offset += len(participants.participants)
users = {user.id: user for user in participants.users}
for participant in participants.participants:
if isinstance(participant, types.ChannelParticipantBanned):
if not isinstance(participant.peer, types.PeerUser):
# May have the entire channel banned. See #3105.
continue
user_id = participant.peer.user_id
else:
user_id = participant.user_id
user = users[user_id]
if not self.filter_entity(user) or user.id in self.seen:
continue
self.seen.add(user_id)
user = users[user_id]
user.participant = participant
self.buffer.append(user)
class _AdminLogIter(RequestIter):
async def _init(
self, entity, admins, search, min_id, max_id,
join, leave, invite, restrict, unrestrict, ban, unban,
promote, demote, info, settings, pinned, edit, delete,
group_call
):
if any((join, leave, invite, restrict, unrestrict, ban, unban,
promote, demote, info, settings, pinned, edit, delete,
group_call)):
events_filter = types.ChannelAdminLogEventsFilter(
join=join, leave=leave, invite=invite, ban=restrict,
unban=unrestrict, kick=ban, unkick=unban, promote=promote,
demote=demote, info=info, settings=settings, pinned=pinned,
edit=edit, delete=delete, group_call=group_call
)
else:
events_filter = None
self.entity = await self.client.get_input_entity(entity)
admin_list = []
if admins:
if not utils.is_list_like(admins):
admins = (admins,)
for admin in admins:
admin_list.append(await self.client.get_input_entity(admin))
self.request = functions.channels.GetAdminLogRequest(
self.entity, q=search or '', min_id=min_id, max_id=max_id,
limit=0, events_filter=events_filter, admins=admin_list or None
)
async def _load_next_chunk(self):
self.request.limit = min(self.left, _MAX_ADMIN_LOG_CHUNK_SIZE)
r = await self.client(self.request)
entities = {utils.get_peer_id(x): x
for x in itertools.chain(r.users, r.chats)}
self.request.max_id = min((e.id for e in r.events), default=0)
for ev in r.events:
if isinstance(ev.action,
types.ChannelAdminLogEventActionEditMessage):
ev.action.prev_message._finish_init(
self.client, entities, self.entity)
ev.action.new_message._finish_init(
self.client, entities, self.entity)
elif isinstance(ev.action,
types.ChannelAdminLogEventActionDeleteMessage):
ev.action.message._finish_init(
self.client, entities, self.entity)
self.buffer.append(custom.AdminLogEvent(ev, entities))
if len(r.events) < self.request.limit:
return True
class _ProfilePhotoIter(RequestIter):
async def _init(
self, entity, offset, max_id
):
entity = await self.client.get_input_entity(entity)
ty = helpers._entity_type(entity)
if ty == helpers._EntityType.USER:
self.request = functions.photos.GetUserPhotosRequest(
entity,
offset=offset,
max_id=max_id,
limit=1
)
else:
self.request = functions.messages.SearchRequest(
peer=entity,
q='',
filter=types.InputMessagesFilterChatPhotos(),
min_date=None,
max_date=None,
offset_id=0,
add_offset=offset,
limit=1,
max_id=max_id,
min_id=0,
hash=0
)
if self.limit == 0:
self.request.limit = 1
result = await self.client(self.request)
if isinstance(result, types.photos.Photos):
self.total = len(result.photos)
elif isinstance(result, types.messages.Messages):
self.total = len(result.messages)
else:
# Luckily both photosSlice and messages have a count for total
self.total = getattr(result, 'count', None)
async def _load_next_chunk(self):
self.request.limit = min(self.left, _MAX_PROFILE_PHOTO_CHUNK_SIZE)
result = await self.client(self.request)
if isinstance(result, types.photos.Photos):
self.buffer = result.photos
self.left = len(self.buffer)
self.total = len(self.buffer)
elif isinstance(result, types.messages.Messages):
self.buffer = [x.action.photo for x in result.messages
if isinstance(x.action, types.MessageActionChatEditPhoto)]
self.left = len(self.buffer)
self.total = len(self.buffer)
elif isinstance(result, types.photos.PhotosSlice):
self.buffer = result.photos
self.total = result.count
if len(self.buffer) < self.request.limit:
self.left = len(self.buffer)
else:
self.request.offset += len(result.photos)
else:
# Some broadcast channels have a photo that this request doesn't
# retrieve for whatever random reason the Telegram server feels.
#
# This means the `total` count may be wrong but there's not much
# that can be done around it (perhaps there are too many photos
# and this is only a partial result so it's not possible to just
# use the len of the result).
self.total = getattr(result, 'count', None)
# Unconditionally fetch the full channel to obtain this photo and
# yield it with the rest (unless it's a duplicate).
seen_id = None
if isinstance(result, types.messages.ChannelMessages):
channel = await self.client(functions.channels.GetFullChannelRequest(self.request.peer))
photo = channel.full_chat.chat_photo
if isinstance(photo, types.Photo):
self.buffer.append(photo)
seen_id = photo.id
self.buffer.extend(
x.action.photo for x in result.messages
if isinstance(x.action, types.MessageActionChatEditPhoto)
and x.action.photo.id != seen_id
)
if len(result.messages) < self.request.limit:
self.left = len(self.buffer)
elif result.messages:
self.request.add_offset = 0
self.request.offset_id = result.messages[-1].id
class ChatMethods:
# region Public methods
def iter_participants(
self: 'TelegramClient',
entity: 'hints.EntityLike',
limit: float = None,
*,
search: str = '',
filter: 'types.TypeChannelParticipantsFilter' = None,
aggressive: bool = False) -> _ParticipantsIter:
"""
Iterator over the participants belonging to the specified chat.
The order is unspecified.
Arguments
entity (`entity`):
The entity from which to retrieve the participants list.
limit (`int`):
Limits amount of participants fetched.
search (`str`, optional):
Look for participants with this string in name/username.
filter (:tl:`ChannelParticipantsFilter`, optional):
The filter to be used, if you want e.g. only admins
Note that you might not have permissions for some filter.
This has no effect for normal chats or users.
.. note::
The filter :tl:`ChannelParticipantsBanned` will return
*restricted* users. If you want *banned* users you should
use :tl:`ChannelParticipantsKicked` instead.
aggressive (`bool`, optional):
Does nothing. This is kept for backwards-compatibility.
There have been several changes to Telegram's API that limits
the amount of members that can be retrieved, and this was a
hack that no longer works.
Yields
The :tl:`User` objects returned by :tl:`GetParticipantsRequest`
with an additional ``.participant`` attribute which is the
matched :tl:`ChannelParticipant` type for channels/megagroups
or :tl:`ChatParticipants` for normal chats.
Example
.. code-block:: python
# Show all user IDs in a chat
async for user in client.iter_participants(chat):
print(user.id)
# Search by name
async for user in client.iter_participants(chat, search='name'):
print(user.username)
# Filter by admins
from telethon.tl.types import ChannelParticipantsAdmins
async for user in client.iter_participants(chat, filter=ChannelParticipantsAdmins):
print(user.first_name)
"""
return _ParticipantsIter(
self,
limit,
entity=entity,
filter=filter,
search=search
)
async def get_participants(
self: 'TelegramClient',
*args,
**kwargs) -> 'hints.TotalList':
"""
Same as `iter_participants()`, but returns a
`TotalList <telethon.helpers.TotalList>` instead.
Example
.. code-block:: python
users = await client.get_participants(chat)
print(users[0].first_name)
for user in users:
if user.username is not None:
print(user.username)
"""
return await self.iter_participants(*args, **kwargs).collect()
get_participants.__signature__ = inspect.signature(iter_participants)
def iter_admin_log(
self: 'TelegramClient',
entity: 'hints.EntityLike',
limit: float = None,
*,
max_id: int = 0,
min_id: int = 0,
search: str = None,
admins: 'hints.EntitiesLike' = None,
join: bool = None,
leave: bool = None,
invite: bool = None,
restrict: bool = None,
unrestrict: bool = None,
ban: bool = None,
unban: bool = None,
promote: bool = None,
demote: bool = None,
info: bool = None,
settings: bool = None,
pinned: bool = None,
edit: bool = None,
delete: bool = None,
group_call: bool = None) -> _AdminLogIter:
"""
Iterator over the admin log for the specified channel.
The default order is from the most recent event to to the oldest.
Note that you must be an administrator of it to use this method.
If none of the filters are present (i.e. they all are `None`),
*all* event types will be returned. If at least one of them is
`True`, only those that are true will be returned.
Arguments
entity (`entity`):
The channel entity from which to get its admin log.
limit (`int` | `None`, optional):
Number of events to be retrieved.
The limit may also be `None`, which would eventually return
the whole history.
max_id (`int`):
All the events with a higher (newer) ID or equal to this will
be excluded.
min_id (`int`):
All the events with a lower (older) ID or equal to this will
be excluded.
search (`str`):
The string to be used as a search query.
admins (`entity` | `list`):
If present, the events will be filtered by these admins
(or single admin) and only those caused by them will be
returned.
join (`bool`):
If `True`, events for when a user joined will be returned.
leave (`bool`):
If `True`, events for when a user leaves will be returned.
invite (`bool`):
If `True`, events for when a user joins through an invite
link will be returned.
restrict (`bool`):
If `True`, events with partial restrictions will be
returned. This is what the API calls "ban".
unrestrict (`bool`):
If `True`, events removing restrictions will be returned.
This is what the API calls "unban".
ban (`bool`):
If `True`, events applying or removing all restrictions will
be returned. This is what the API calls "kick" (restricting
all permissions removed is a ban, which kicks the user).
unban (`bool`):
If `True`, events removing all restrictions will be
returned. This is what the API calls "unkick".
promote (`bool`):
If `True`, events with admin promotions will be returned.
demote (`bool`):
If `True`, events with admin demotions will be returned.
info (`bool`):
If `True`, events changing the group info will be returned.
settings (`bool`):
If `True`, events changing the group settings will be
returned.
pinned (`bool`):
If `True`, events of new pinned messages will be returned.
edit (`bool`):
If `True`, events of message edits will be returned.
delete (`bool`):
If `True`, events of message deletions will be returned.
group_call (`bool`):
If `True`, events related to group calls will be returned.
Yields
Instances of `AdminLogEvent <telethon.tl.custom.adminlogevent.AdminLogEvent>`.
Example
.. code-block:: python
async for event in client.iter_admin_log(channel):
if event.changed_title:
print('The title changed from', event.old, 'to', event.new)
"""
return _AdminLogIter(
self,
limit,
entity=entity,
admins=admins,
search=search,
min_id=min_id,
max_id=max_id,
join=join,
leave=leave,
invite=invite,
restrict=restrict,
unrestrict=unrestrict,
ban=ban,
unban=unban,
promote=promote,
demote=demote,
info=info,
settings=settings,
pinned=pinned,
edit=edit,
delete=delete,
group_call=group_call
)
async def get_admin_log(
self: 'TelegramClient',
*args,
**kwargs) -> 'hints.TotalList':
"""
Same as `iter_admin_log()`, but returns a ``list`` instead.
Example
.. code-block:: python
# Get a list of deleted message events which said "heck"
events = await client.get_admin_log(channel, search='heck', delete=True)
# Print the old message before it was deleted
print(events[0].old)
"""
return await self.iter_admin_log(*args, **kwargs).collect()
get_admin_log.__signature__ = inspect.signature(iter_admin_log)
def iter_profile_photos(
self: 'TelegramClient',
entity: 'hints.EntityLike',
limit: int = None,
*,
offset: int = 0,
max_id: int = 0) -> _ProfilePhotoIter:
"""
Iterator over a user's profile photos or a chat's photos.
The order is from the most recent photo to the oldest.
Arguments
entity (`entity`):
The entity from which to get the profile or chat photos.
limit (`int` | `None`, optional):
Number of photos to be retrieved.
The limit may also be `None`, which would eventually all
the photos that are still available.
offset (`int`):
How many photos should be skipped before returning the first one.
max_id (`int`):
The maximum ID allowed when fetching photos.
Yields
Instances of :tl:`Photo`.
Example
.. code-block:: python
# Download all the profile photos of some user
async for photo in client.iter_profile_photos(user):
await client.download_media(photo)
"""
return _ProfilePhotoIter(
self,
limit,
entity=entity,
offset=offset,
max_id=max_id
)
async def get_profile_photos(
self: 'TelegramClient',
*args,
**kwargs) -> 'hints.TotalList':
"""
Same as `iter_profile_photos()`, but returns a
`TotalList <telethon.helpers.TotalList>` instead.
Example
.. code-block:: python
# Get the photos of a channel
photos = await client.get_profile_photos(channel)
# Download the oldest photo
await client.download_media(photos[-1])
"""
return await self.iter_profile_photos(*args, **kwargs).collect()
get_profile_photos.__signature__ = inspect.signature(iter_profile_photos)
def action(
self: 'TelegramClient',
entity: 'hints.EntityLike',
action: 'typing.Union[str, types.TypeSendMessageAction]',
*,
delay: float = 4,
auto_cancel: bool = True) -> 'typing.Union[_ChatAction, typing.Coroutine]':
"""
Returns a context-manager object to represent a "chat action".
Chat actions indicate things like "user is typing", "user is
uploading a photo", etc.
If the action is ``'cancel'``, you should just ``await`` the result,
since it makes no sense to use a context-manager for it.
See the example below for intended usage.
Arguments
entity (`entity`):
The entity where the action should be showed in.
action (`str` | :tl:`SendMessageAction`):
The action to show. You can either pass a instance of
:tl:`SendMessageAction` or better, a string used while:
* ``'typing'``: typing a text message.
* ``'contact'``: choosing a contact.
* ``'game'``: playing a game.
* ``'location'``: choosing a geo location.
* ``'sticker'``: choosing a sticker.
* ``'record-audio'``: recording a voice note.
You may use ``'record-voice'`` as alias.
* ``'record-round'``: recording a round video.
* ``'record-video'``: recording a normal video.
* ``'audio'``: sending an audio file (voice note or song).
You may use ``'voice'`` and ``'song'`` as aliases.
* ``'round'``: uploading a round video.
* ``'video'``: uploading a video file.
* ``'photo'``: uploading a photo.
* ``'document'``: uploading a document file.
You may use ``'file'`` as alias.
* ``'cancel'``: cancel any pending action in this chat.
Invalid strings will raise a ``ValueError``.
delay (`int` | `float`):
The delay, in seconds, to wait between sending actions.
For example, if the delay is 5 and it takes 7 seconds to
do something, three requests will be made at 0s, 5s, and
7s to cancel the action.
auto_cancel (`bool`):
Whether the action should be cancelled once the context
manager exists or not. The default is `True`, since
you don't want progress to be shown when it has already
completed.
Returns
Either a context-manager object or a coroutine.
Example
.. code-block:: python
# Type for 2 seconds, then send a message
async with client.action(chat, 'typing'):
await asyncio.sleep(2)
await client.send_message(chat, 'Hello world! I type slow ^^')
# Cancel any previous action
await client.action(chat, 'cancel')
# Upload a document, showing its progress (most clients ignore this)
async with client.action(chat, 'document') as action:
await client.send_file(chat, zip_file, progress_callback=action.progress)
"""
if isinstance(action, str):
try:
action = _ChatAction._str_mapping[action.lower()]
except KeyError:
raise ValueError(
'No such action "{}"'.format(action)) from None
elif not isinstance(action, types.TLObject) or action.SUBCLASS_OF_ID != 0x20b2cc21:
# 0x20b2cc21 = crc32(b'SendMessageAction')
if isinstance(action, type):
raise ValueError('You must pass an instance, not the class')
else:
raise ValueError('Cannot use {} as action'.format(action))
if isinstance(action, types.SendMessageCancelAction):
# ``SetTypingRequest.resolve`` will get input peer of ``entity``.
return self(functions.messages.SetTypingRequest(
entity, types.SendMessageCancelAction()))
return _ChatAction(
self, entity, action, delay=delay, auto_cancel=auto_cancel)
async def edit_admin(
self: 'TelegramClient',
entity: 'hints.EntityLike',
user: 'hints.EntityLike',
*,
change_info: bool = None,
post_messages: bool = None,
edit_messages: bool = None,
delete_messages: bool = None,
ban_users: bool = None,
invite_users: bool = None,
pin_messages: bool = None,
add_admins: bool = None,
manage_call: bool = None,
anonymous: bool = None,
is_admin: bool = None,
title: str = None) -> types.Updates:
"""
Edits admin permissions for someone in a chat.
Raises an error if a wrong combination of rights are given
(e.g. you don't have enough permissions to grant one).
Unless otherwise stated, permissions will work in channels and megagroups.
Arguments
entity (`entity`):
The channel, megagroup or chat where the promotion should happen.
user (`entity`):
The user to be promoted.
change_info (`bool`, optional):
Whether the user will be able to change info.
post_messages (`bool`, optional):
Whether the user will be able to post in the channel.
This will only work in broadcast channels.
edit_messages (`bool`, optional):
Whether the user will be able to edit messages in the channel.
This will only work in broadcast channels.
delete_messages (`bool`, optional):
Whether the user will be able to delete messages.
ban_users (`bool`, optional):
Whether the user will be able to ban users.
invite_users (`bool`, optional):
Whether the user will be able to invite users. Needs some testing.
pin_messages (`bool`, optional):
Whether the user will be able to pin messages.
add_admins (`bool`, optional):
Whether the user will be able to add admins.
manage_call (`bool`, optional):
Whether the user will be able to manage group calls.
anonymous (`bool`, optional):
Whether the user will remain anonymous when sending messages.
The sender of the anonymous messages becomes the group itself.
.. note::
Users may be able to identify the anonymous admin by its
custom title, so additional care is needed when using both
``anonymous`` and custom titles. For example, if multiple
anonymous admins share the same title, users won't be able
to distinguish them.
is_admin (`bool`, optional):
Whether the user will be an admin in the chat.
This will only work in small group chats.
Whether the user will be an admin in the chat. This is the
only permission available in small group chats, and when
used in megagroups, all non-explicitly set permissions will
have this value.
Essentially, only passing ``is_admin=True`` will grant all
permissions, but you can still disable those you need.
title (`str`, optional):
The custom title (also known as "rank") to show for this admin.
This text will be shown instead of the "admin" badge.
This will only work in channels and megagroups.
When left unspecified or empty, the default localized "admin"
badge will be shown.
Returns
The resulting :tl:`Updates` object.
Example
.. code-block:: python
# Allowing `user` to pin messages in `chat`
await client.edit_admin(chat, user, pin_messages=True)
# Granting all permissions except for `add_admins`
await client.edit_admin(chat, user, is_admin=True, add_admins=False)
"""
entity = await self.get_input_entity(entity)
user = await self.get_input_entity(user)
ty = helpers._entity_type(user)
if ty != helpers._EntityType.USER:
raise ValueError('You must pass a user entity')
perm_names = (
'change_info', 'post_messages', 'edit_messages', 'delete_messages',
'ban_users', 'invite_users', 'pin_messages', 'add_admins',
'anonymous', 'manage_call',
)
ty = helpers._entity_type(entity)
if ty == helpers._EntityType.CHANNEL:
# If we try to set these permissions in a megagroup, we
# would get a RIGHT_FORBIDDEN. However, it makes sense
# that an admin can post messages, so we want to avoid the error
if post_messages or edit_messages:
# TODO get rid of this once sessions cache this information
if entity.channel_id not in self._megagroup_cache:
full_entity = await self.get_entity(entity)
self._megagroup_cache[entity.channel_id] = full_entity.megagroup
if self._megagroup_cache[entity.channel_id]:
post_messages = None
edit_messages = None
perms = locals()
return await self(functions.channels.EditAdminRequest(entity, user, types.ChatAdminRights(**{
# A permission is its explicit (not-None) value or `is_admin`.
# This essentially makes `is_admin` be the default value.
name: perms[name] if perms[name] is not None else is_admin
for name in perm_names
}), rank=title or ''))
elif ty == helpers._EntityType.CHAT:
# If the user passed any permission in a small
# group chat, they must be a full admin to have it.
if is_admin is None:
is_admin = any(locals()[x] for x in perm_names)
return await self(functions.messages.EditChatAdminRequest(
entity.chat_id, user, is_admin=is_admin))
else:
raise ValueError(
'You can only edit permissions in groups and channels')
async def edit_permissions(
self: 'TelegramClient',
entity: 'hints.EntityLike',
user: 'typing.Optional[hints.EntityLike]' = None,
until_date: 'hints.DateLike' = None,
*,
view_messages: bool = True,
send_messages: bool = True,
send_media: bool = True,
send_stickers: bool = True,
send_gifs: bool = True,
send_games: bool = True,
send_inline: bool = True,
embed_link_previews: bool = True,
send_polls: bool = True,
change_info: bool = True,
invite_users: bool = True,
pin_messages: bool = True) -> types.Updates:
"""
Edits user restrictions in a chat.
Set an argument to `False` to apply a restriction (i.e. remove
the permission), or omit them to use the default `True` (i.e.
don't apply a restriction).
Raises an error if a wrong combination of rights are given
(e.g. you don't have enough permissions to revoke one).
By default, each boolean argument is `True`, meaning that it
is true that the user has access to the default permission
and may be able to make use of it.
If you set an argument to `False`, then a restriction is applied
regardless of the default permissions.
It is important to note that `True` does *not* mean grant, only
"don't restrict", and this is where the default permissions come
in. A user may have not been revoked the ``pin_messages`` permission
(it is `True`) but they won't be able to use it if the default
permissions don't allow it either.
Arguments
entity (`entity`):
The channel or megagroup where the restriction should happen.
user (`entity`, optional):
If specified, the permission will be changed for the specific user.
If left as `None`, the default chat permissions will be updated.
until_date (`DateLike`, optional):
When the user will be unbanned.
If the due date or duration is longer than 366 days or shorter than
30 seconds, the ban will be forever. Defaults to ``0`` (ban forever).
view_messages (`bool`, optional):
Whether the user is able to view messages or not.
Forbidding someone from viewing messages equals to banning them.
This will only work if ``user`` is set.
send_messages (`bool`, optional):
Whether the user is able to send messages or not.
send_media (`bool`, optional):
Whether the user is able to send media or not.
send_stickers (`bool`, optional):
Whether the user is able to send stickers or not.
send_gifs (`bool`, optional):
Whether the user is able to send animated gifs or not.
send_games (`bool`, optional):
Whether the user is able to send games or not.
send_inline (`bool`, optional):
Whether the user is able to use inline bots or not.
embed_link_previews (`bool`, optional):
Whether the user is able to enable the link preview in the
messages they send. Note that the user will still be able to
send messages with links if this permission is removed, but
these links won't display a link preview.
send_polls (`bool`, optional):
Whether the user is able to send polls or not.
change_info (`bool`, optional):
Whether the user is able to change info or not.
invite_users (`bool`, optional):
Whether the user is able to invite other users or not.
pin_messages (`bool`, optional):
Whether the user is able to pin messages or not.
Returns
The resulting :tl:`Updates` object.
Example
.. code-block:: python
from datetime import timedelta
# Banning `user` from `chat` for 1 minute
await client.edit_permissions(chat, user, timedelta(minutes=1),
view_messages=False)
# Banning `user` from `chat` forever
await client.edit_permissions(chat, user, view_messages=False)
# Kicking someone (ban + un-ban)
await client.edit_permissions(chat, user, view_messages=False)
await client.edit_permissions(chat, user)
"""
entity = await self.get_input_entity(entity)
ty = helpers._entity_type(entity)
if ty != helpers._EntityType.CHANNEL:
raise ValueError('You must pass either a channel or a supergroup')
rights = types.ChatBannedRights(
until_date=until_date,
view_messages=not view_messages,
send_messages=not send_messages,
send_media=not send_media,
send_stickers=not send_stickers,
send_gifs=not send_gifs,
send_games=not send_games,
send_inline=not send_inline,
embed_links=not embed_link_previews,
send_polls=not send_polls,
change_info=not change_info,
invite_users=not invite_users,
pin_messages=not pin_messages
)
if user is None:
return await self(functions.messages.EditChatDefaultBannedRightsRequest(
peer=entity,
banned_rights=rights
))
user = await self.get_input_entity(user)
ty = helpers._entity_type(user)
if ty != helpers._EntityType.USER:
raise ValueError('You must pass a user entity')
if isinstance(user, types.InputPeerSelf):
raise ValueError('You cannot restrict yourself')
return await self(functions.channels.EditBannedRequest(
channel=entity,
participant=user,
banned_rights=rights
))
async def kick_participant(
self: 'TelegramClient',
entity: 'hints.EntityLike',
user: 'typing.Optional[hints.EntityLike]'
):
"""
Kicks a user from a chat.
Kicking yourself (``'me'``) will result in leaving the chat.
.. note::
Attempting to kick someone who was banned will remove their
restrictions (and thus unbanning them), since kicking is just
ban + unban.
Arguments
entity (`entity`):
The channel or chat where the user should be kicked from.
user (`entity`, optional):
The user to kick.
Returns
Returns the service `Message <telethon.tl.custom.message.Message>`
produced about a user being kicked, if any.
Example
.. code-block:: python
# Kick some user from some chat, and deleting the service message
msg = await client.kick_participant(chat, user)
await msg.delete()
# Leaving chat
await client.kick_participant(chat, 'me')
"""
entity = await self.get_input_entity(entity)
user = await self.get_input_entity(user)
if helpers._entity_type(user) != helpers._EntityType.USER:
raise ValueError('You must pass a user entity')
ty = helpers._entity_type(entity)
if ty == helpers._EntityType.CHAT:
resp = await self(functions.messages.DeleteChatUserRequest(entity.chat_id, user))
elif ty == helpers._EntityType.CHANNEL:
if isinstance(user, types.InputPeerSelf):
# Despite no longer being in the channel, the account still
# seems to get the service message.
resp = await self(functions.channels.LeaveChannelRequest(entity))
else:
resp = await self(functions.channels.EditBannedRequest(
channel=entity,
participant=user,
banned_rights=types.ChatBannedRights(
until_date=None, view_messages=True)
))
await asyncio.sleep(0.5)
await self(functions.channels.EditBannedRequest(
channel=entity,
participant=user,
banned_rights=types.ChatBannedRights(until_date=None)
))
else:
raise ValueError('You must pass either a channel or a chat')
return self._get_response_message(None, resp, entity)
async def get_permissions(
self: 'TelegramClient',
entity: 'hints.EntityLike',
user: 'hints.EntityLike' = None
) -> 'typing.Optional[custom.ParticipantPermissions]':
"""
Fetches the permissions of a user in a specific chat or channel or
get Default Restricted Rights of Chat or Channel.
.. note::
This request has to fetch the entire chat for small group chats,
which can get somewhat expensive, so use of a cache is advised.
Arguments
entity (`entity`):
The channel or chat the user is participant of.
user (`entity`, optional):
Target user.
Returns
A `ParticipantPermissions <telethon.tl.custom.participantpermissions.ParticipantPermissions>`
instance. Refer to its documentation to see what properties are
available.
Example
.. code-block:: python
permissions = await client.get_permissions(chat, user)
if permissions.is_admin:
# do something
# Get Banned Permissions of Chat
await client.get_permissions(chat)
"""
entity = await self.get_entity(entity)
if not user:
if isinstance(entity, types.Channel):
FullChat = await self(functions.channels.GetFullChannelRequest(entity))
elif isinstance(entity, types.Chat):
FullChat = await self(functions.messages.GetFullChatRequest(entity.id))
else:
return
return FullChat.chats[0].default_banned_rights
entity = await self.get_input_entity(entity)
user = await self.get_input_entity(user)
if helpers._entity_type(user) != helpers._EntityType.USER:
raise ValueError('You must pass a user entity')
if helpers._entity_type(entity) == helpers._EntityType.CHANNEL:
participant = await self(functions.channels.GetParticipantRequest(
entity,
user
))
return custom.ParticipantPermissions(participant.participant, False)
elif helpers._entity_type(entity) == helpers._EntityType.CHAT:
chat = await self(functions.messages.GetFullChatRequest(
entity.chat_id
))
if isinstance(user, types.InputPeerSelf):
user = await self.get_me(input_peer=True)
for participant in chat.full_chat.participants.participants:
if participant.user_id == user.user_id:
return custom.ParticipantPermissions(participant, True)
raise errors.UserNotParticipantError(None)
raise ValueError('You must pass either a channel or a chat')
async def get_stats(
self: 'TelegramClient',
entity: 'hints.EntityLike',
message: 'typing.Union[int, types.Message]' = None,
):
"""
Retrieves statistics from the given megagroup or broadcast channel.
Note that some restrictions apply before being able to fetch statistics,
in particular the channel must have enough members (for megagroups, this
requires `at least 500 members`_).
Arguments
entity (`entity`):
The channel from which to get statistics.
message (`int` | ``Message``, optional):
The message ID from which to get statistics, if your goal is
to obtain the statistics of a single message.
Raises
If the given entity is not a channel (broadcast or megagroup),
a `TypeError` is raised.
If there are not enough members (poorly named) errors such as
``telethon.errors.ChatAdminRequiredError`` will appear.
Returns
If both ``entity`` and ``message`` were provided, returns
:tl:`MessageStats`. Otherwise, either :tl:`BroadcastStats` or
:tl:`MegagroupStats`, depending on whether the input belonged to a
broadcast channel or megagroup.
Example
.. code-block:: python
# Some megagroup or channel username or ID to fetch
channel = -100123
stats = await client.get_stats(channel)
print('Stats from', stats.period.min_date, 'to', stats.period.max_date, ':')
print(stats.stringify())
.. _`at least 500 members`: https://telegram.org/blog/profile-videos-people-nearby-and-more
"""
entity = await self.get_input_entity(entity)
if helpers._entity_type(entity) != helpers._EntityType.CHANNEL:
raise TypeError('You must pass a channel entity')
message = utils.get_message_id(message)
if message is not None:
try:
req = functions.stats.GetMessageStatsRequest(entity, message)
return await self(req)
except errors.StatsMigrateError as e:
dc = e.dc
else:
# Don't bother fetching the Channel entity (costs a request), instead
# try to guess and if it fails we know it's the other one (best case
# no extra request, worst just one).
try:
req = functions.stats.GetBroadcastStatsRequest(entity)
return await self(req)
except errors.StatsMigrateError as e:
dc = e.dc
except errors.BroadcastRequiredError:
req = functions.stats.GetMegagroupStatsRequest(entity)
try:
return await self(req)
except errors.StatsMigrateError as e:
dc = e.dc
sender = await self._borrow_exported_sender(dc)
try:
# req will be resolved to use the right types inside by now
return await sender.send(req)
finally:
await self._return_exported_sender(sender)
# endregion
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