mirror of
https://github.com/LonamiWebs/Telethon.git
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607 lines
22 KiB
Python
607 lines
22 KiB
Python
import asyncio
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import inspect
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import itertools
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import typing
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from .. import helpers, utils, hints, errors
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from ..requestiter import RequestIter
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from ..tl import types, functions, custom
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_MAX_CHUNK_SIZE = 100
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if typing.TYPE_CHECKING:
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from .telegramclient import TelegramClient
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def _dialog_message_key(peer, message_id):
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"""
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Get the key to get messages from a dialog.
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We cannot just use the message ID because channels share message IDs,
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and the peer ID is required to distinguish between them. But it is not
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necessary in small group chats and private chats.
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"""
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return (peer.channel_id if isinstance(peer, types.PeerChannel) else None), message_id
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class _DialogsIter(RequestIter):
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async def _init(
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self, offset_date, offset_id, offset_peer, ignore_pinned, ignore_migrated, folder
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):
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self.request = functions.messages.GetDialogsRequest(
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offset_date=offset_date,
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offset_id=offset_id,
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offset_peer=offset_peer,
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limit=1,
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hash=0,
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exclude_pinned=ignore_pinned,
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folder_id=folder
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)
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if self.limit <= 0:
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# Special case, get a single dialog and determine count
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dialogs = await self.client(self.request)
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self.total = getattr(dialogs, 'count', len(dialogs.dialogs))
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raise StopAsyncIteration
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self.seen = set()
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self.offset_date = offset_date
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self.ignore_migrated = ignore_migrated
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async def _load_next_chunk(self):
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self.request.limit = min(self.left, _MAX_CHUNK_SIZE)
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r = await self.client(self.request)
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self.total = getattr(r, 'count', len(r.dialogs))
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entities = {utils.get_peer_id(x): x
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for x in itertools.chain(r.users, r.chats)
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if not isinstance(x, (types.UserEmpty, types.ChatEmpty))}
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messages = {}
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for m in r.messages:
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m._finish_init(self.client, entities, None)
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messages[_dialog_message_key(m.peer_id, m.id)] = m
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for d in r.dialogs:
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# We check the offset date here because Telegram may ignore it
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message = messages.get(_dialog_message_key(d.peer, d.top_message))
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if self.offset_date:
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date = getattr(message, 'date', None)
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if not date or date.timestamp() > self.offset_date.timestamp():
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continue
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peer_id = utils.get_peer_id(d.peer)
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if peer_id not in self.seen:
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self.seen.add(peer_id)
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if peer_id not in entities:
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# > In which case can a UserEmpty appear in the list of banned members?
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# > In a very rare cases. This is possible but isn't an expected behavior.
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# Real world example: https://t.me/TelethonChat/271471
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continue
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cd = custom.Dialog(self.client, d, entities, message)
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if cd.dialog.pts:
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self.client._channel_pts[cd.id] = cd.dialog.pts
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if not self.ignore_migrated or getattr(
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cd.entity, 'migrated_to', None) is None:
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self.buffer.append(cd)
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if len(r.dialogs) < self.request.limit\
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or not isinstance(r, types.messages.DialogsSlice):
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# Less than we requested means we reached the end, or
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# we didn't get a DialogsSlice which means we got all.
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return True
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# We can't use `messages[-1]` as the offset ID / date.
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# Why? Because pinned dialogs will mess with the order
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# in this list. Instead, we find the last dialog which
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# has a message, and use it as an offset.
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last_message = next(filter(None, (
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messages.get(_dialog_message_key(d.peer, d.top_message))
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for d in reversed(r.dialogs)
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)), None)
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self.request.exclude_pinned = True
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self.request.offset_id = last_message.id if last_message else 0
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self.request.offset_date = last_message.date if last_message else None
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self.request.offset_peer = self.buffer[-1].input_entity
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class _DraftsIter(RequestIter):
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async def _init(self, entities, **kwargs):
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if not entities:
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r = await self.client(functions.messages.GetAllDraftsRequest())
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items = r.updates
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else:
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peers = []
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for entity in entities:
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peers.append(types.InputDialogPeer(
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await self.client.get_input_entity(entity)))
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r = await self.client(functions.messages.GetPeerDialogsRequest(peers))
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items = r.dialogs
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# TODO Maybe there should be a helper method for this?
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entities = {utils.get_peer_id(x): x
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for x in itertools.chain(r.users, r.chats)}
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self.buffer.extend(
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custom.Draft(self.client, entities[utils.get_peer_id(d.peer)], d.draft)
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for d in items
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)
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async def _load_next_chunk(self):
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return []
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class DialogMethods:
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# region Public methods
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def iter_dialogs(
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self: 'TelegramClient',
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limit: float = None,
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*,
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offset_date: 'hints.DateLike' = None,
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offset_id: int = 0,
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offset_peer: 'hints.EntityLike' = types.InputPeerEmpty(),
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ignore_pinned: bool = False,
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ignore_migrated: bool = False,
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folder: int = None,
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archived: bool = None
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) -> _DialogsIter:
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"""
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Iterator over the dialogs (open conversations/subscribed channels).
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The order is the same as the one seen in official applications
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(first pinned, them from those with the most recent message to
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those with the oldest message).
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Arguments
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limit (`int` | `None`):
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How many dialogs to be retrieved as maximum. Can be set to
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`None` to retrieve all dialogs. Note that this may take
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whole minutes if you have hundreds of dialogs, as Telegram
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will tell the library to slow down through a
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``FloodWaitError``.
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offset_date (`datetime`, optional):
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The offset date to be used.
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offset_id (`int`, optional):
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The message ID to be used as an offset.
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offset_peer (:tl:`InputPeer`, optional):
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The peer to be used as an offset.
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ignore_pinned (`bool`, optional):
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Whether pinned dialogs should be ignored or not.
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When set to `True`, these won't be yielded at all.
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ignore_migrated (`bool`, optional):
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Whether :tl:`Chat` that have ``migrated_to`` a :tl:`Channel`
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should be included or not. By default all the chats in your
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dialogs are returned, but setting this to `True` will ignore
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(i.e. skip) them in the same way official applications do.
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folder (`int`, optional):
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The folder from which the dialogs should be retrieved.
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If left unspecified, all dialogs (including those from
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folders) will be returned.
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If set to ``0``, all dialogs that don't belong to any
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folder will be returned.
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If set to a folder number like ``1``, only those from
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said folder will be returned.
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By default Telegram assigns the folder ID ``1`` to
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archived chats, so you should use that if you need
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to fetch the archived dialogs.
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archived (`bool`, optional):
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Alias for `folder`. If unspecified, all will be returned,
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`False` implies ``folder=0`` and `True` implies ``folder=1``.
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Yields
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Instances of `Dialog <telethon.tl.custom.dialog.Dialog>`.
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Example
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.. code-block:: python
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# Print all dialog IDs and the title, nicely formatted
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async for dialog in client.iter_dialogs():
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print('{:>14}: {}'.format(dialog.id, dialog.title))
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"""
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if archived is not None:
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folder = 1 if archived else 0
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return _DialogsIter(
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self,
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limit,
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offset_date=offset_date,
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offset_id=offset_id,
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offset_peer=offset_peer,
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ignore_pinned=ignore_pinned,
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ignore_migrated=ignore_migrated,
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folder=folder
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)
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async def get_dialogs(self: 'TelegramClient', *args, **kwargs) -> 'hints.TotalList':
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"""
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Same as `iter_dialogs()`, but returns a
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`TotalList <telethon.helpers.TotalList>` instead.
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Example
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.. code-block:: python
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# Get all open conversation, print the title of the first
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dialogs = await client.get_dialogs()
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first = dialogs[0]
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print(first.title)
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# Use the dialog somewhere else
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await client.send_message(first, 'hi')
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# Getting only non-archived dialogs (both equivalent)
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non_archived = await client.get_dialogs(folder=0)
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non_archived = await client.get_dialogs(archived=False)
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# Getting only archived dialogs (both equivalent)
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archived = await client.get_dialogs(folder=1)
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archived = await client.get_dialogs(archived=True)
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"""
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return await self.iter_dialogs(*args, **kwargs).collect()
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get_dialogs.__signature__ = inspect.signature(iter_dialogs)
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def iter_drafts(
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self: 'TelegramClient',
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entity: 'hints.EntitiesLike' = None
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) -> _DraftsIter:
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"""
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Iterator over draft messages.
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The order is unspecified.
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Arguments
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entity (`hints.EntitiesLike`, optional):
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The entity or entities for which to fetch the draft messages.
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If left unspecified, all draft messages will be returned.
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Yields
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Instances of `Draft <telethon.tl.custom.draft.Draft>`.
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Example
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.. code-block:: python
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# Clear all drafts
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async for draft in client.get_drafts():
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await draft.delete()
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# Getting the drafts with 'bot1' and 'bot2'
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async for draft in client.iter_drafts(['bot1', 'bot2']):
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print(draft.text)
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"""
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if entity and not utils.is_list_like(entity):
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entity = (entity,)
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# TODO Passing a limit here makes no sense
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return _DraftsIter(self, None, entities=entity)
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async def get_drafts(
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self: 'TelegramClient',
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entity: 'hints.EntitiesLike' = None
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) -> 'hints.TotalList':
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"""
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Same as `iter_drafts()`, but returns a list instead.
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Example
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.. code-block:: python
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# Get drafts, print the text of the first
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drafts = await client.get_drafts()
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print(drafts[0].text)
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# Get the draft in your chat
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draft = await client.get_drafts('me')
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print(drafts.text)
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"""
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items = await self.iter_drafts(entity).collect()
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if not entity or utils.is_list_like(entity):
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return items
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else:
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return items[0]
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async def edit_folder(
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self: 'TelegramClient',
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entity: 'hints.EntitiesLike' = None,
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folder: typing.Union[int, typing.Sequence[int]] = None,
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*,
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unpack=None
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) -> types.Updates:
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"""
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Edits the folder used by one or more dialogs to archive them.
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Arguments
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entity (entities):
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The entity or list of entities to move to the desired
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archive folder.
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folder (`int`):
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The folder to which the dialog should be archived to.
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If you want to "archive" a dialog, use ``folder=1``.
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If you want to "un-archive" it, use ``folder=0``.
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You may also pass a list with the same length as
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`entities` if you want to control where each entity
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will go.
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unpack (`int`, optional):
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If you want to unpack an archived folder, set this
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parameter to the folder number that you want to
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delete.
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When you unpack a folder, all the dialogs inside are
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moved to the folder number 0.
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You can only use this parameter if the other two
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are not set.
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Returns
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The :tl:`Updates` object that the request produces.
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Example
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.. code-block:: python
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# Archiving the first 5 dialogs
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dialogs = await client.get_dialogs(5)
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await client.edit_folder(dialogs, 1)
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# Un-archiving the third dialog (archiving to folder 0)
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await client.edit_folder(dialog[2], 0)
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# Moving the first dialog to folder 0 and the second to 1
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dialogs = await client.get_dialogs(2)
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await client.edit_folder(dialogs, [0, 1])
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# Un-archiving all dialogs
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await client.edit_folder(unpack=1)
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"""
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if (entity is None) == (unpack is None):
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raise ValueError('You can only set either entities or unpack, not both')
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if unpack is not None:
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return await self(functions.folders.DeleteFolderRequest(
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folder_id=unpack
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))
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if not utils.is_list_like(entity):
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entities = [await self.get_input_entity(entity)]
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else:
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entities = await asyncio.gather(
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*(self.get_input_entity(x) for x in entity))
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if folder is None:
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raise ValueError('You must specify a folder')
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elif not utils.is_list_like(folder):
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folder = [folder] * len(entities)
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elif len(entities) != len(folder):
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raise ValueError('Number of folders does not match number of entities')
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return await self(functions.folders.EditPeerFoldersRequest([
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types.InputFolderPeer(x, folder_id=y)
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for x, y in zip(entities, folder)
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]))
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async def delete_dialog(
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self: 'TelegramClient',
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entity: 'hints.EntityLike',
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*,
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revoke: bool = False
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):
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"""
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Deletes a dialog (leaves a chat or channel).
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This method can be used as a user and as a bot. However,
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bots will only be able to use it to leave groups and channels
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(trying to delete a private conversation will do nothing).
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See also `Dialog.delete() <telethon.tl.custom.dialog.Dialog.delete>`.
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Arguments
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entity (entities):
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The entity of the dialog to delete. If it's a chat or
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channel, you will leave it. Note that the chat itself
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is not deleted, only the dialog, because you left it.
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revoke (`bool`, optional):
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On private chats, you may revoke the messages from
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the other peer too. By default, it's `False`. Set
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it to `True` to delete the history for both.
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This makes no difference for bot accounts, who can
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only leave groups and channels.
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Returns
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The :tl:`Updates` object that the request produces,
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or nothing for private conversations.
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Example
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.. code-block:: python
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# Deleting the first dialog
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dialogs = await client.get_dialogs(5)
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await client.delete_dialog(dialogs[0])
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# Leaving a channel by username
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await client.delete_dialog('username')
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"""
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# If we have enough information (`Dialog.delete` gives it to us),
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# then we know we don't have to kick ourselves in deactivated chats.
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if isinstance(entity, types.Chat):
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deactivated = entity.deactivated
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else:
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deactivated = False
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entity = await self.get_input_entity(entity)
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ty = helpers._entity_type(entity)
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if ty == helpers._EntityType.CHANNEL:
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return await self(functions.channels.LeaveChannelRequest(entity))
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if ty == helpers._EntityType.CHAT and not deactivated:
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try:
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result = await self(functions.messages.DeleteChatUserRequest(
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entity.chat_id, types.InputUserSelf(), revoke_history=revoke
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))
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except errors.PeerIdInvalidError:
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# Happens if we didn't have the deactivated information
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result = None
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else:
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result = None
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if not await self.is_bot():
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await self(functions.messages.DeleteHistoryRequest(entity, 0, revoke=revoke))
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return result
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def conversation(
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self: 'TelegramClient',
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entity: 'hints.EntityLike',
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*,
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timeout: float = 60,
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total_timeout: float = None,
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max_messages: int = 100,
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exclusive: bool = True,
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replies_are_responses: bool = True) -> custom.Conversation:
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"""
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Creates a `Conversation <telethon.tl.custom.conversation.Conversation>`
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with the given entity.
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.. note::
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This Conversation API has certain shortcomings, such as lacking
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persistence, poor interaction with other event handlers, and
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overcomplicated usage for anything beyond the simplest case.
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If you plan to interact with a bot without handlers, this works
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fine, but when running a bot yourself, you may instead prefer
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to follow the advice from https://stackoverflow.com/a/62246569/.
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This is not the same as just sending a message to create a "dialog"
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with them, but rather a way to easily send messages and await for
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responses or other reactions. Refer to its documentation for more.
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Arguments
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entity (`entity`):
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The entity with which a new conversation should be opened.
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timeout (`int` | `float`, optional):
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The default timeout (in seconds) *per action* to be used. You
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may also override this timeout on a per-method basis. By
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default each action can take up to 60 seconds (the value of
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this timeout).
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total_timeout (`int` | `float`, optional):
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The total timeout (in seconds) to use for the whole
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conversation. This takes priority over per-action
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timeouts. After these many seconds pass, subsequent
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actions will result in ``asyncio.TimeoutError``.
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max_messages (`int`, optional):
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The maximum amount of messages this conversation will
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remember. After these many messages arrive in the
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specified chat, subsequent actions will result in
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``ValueError``.
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exclusive (`bool`, optional):
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By default, conversations are exclusive within a single
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chat. That means that while a conversation is open in a
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chat, you can't open another one in the same chat, unless
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you disable this flag.
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If you try opening an exclusive conversation for
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a chat where it's already open, it will raise
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``AlreadyInConversationError``.
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replies_are_responses (`bool`, optional):
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Whether replies should be treated as responses or not.
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If the setting is enabled, calls to `conv.get_response
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<telethon.tl.custom.conversation.Conversation.get_response>`
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and a subsequent call to `conv.get_reply
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|
<telethon.tl.custom.conversation.Conversation.get_reply>`
|
|
will return different messages, otherwise they may return
|
|
the same message.
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|
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|
Consider the following scenario with one outgoing message,
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1, and two incoming messages, the second one replying::
|
|
|
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Hello! <1
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2> (reply to 1) Hi!
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|
3> (reply to 1) How are you?
|
|
|
|
And the following code:
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|
|
|
.. code-block:: python
|
|
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|
async with client.conversation(chat) as conv:
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msg1 = await conv.send_message('Hello!')
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msg2 = await conv.get_response()
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msg3 = await conv.get_reply()
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|
|
|
With the setting enabled, ``msg2`` will be ``'Hi!'`` and
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``msg3`` be ``'How are you?'`` since replies are also
|
|
responses, and a response was already returned.
|
|
|
|
With the setting disabled, both ``msg2`` and ``msg3`` will
|
|
be ``'Hi!'`` since one is a response and also a reply.
|
|
|
|
Returns
|
|
A `Conversation <telethon.tl.custom.conversation.Conversation>`.
|
|
|
|
Example
|
|
.. code-block:: python
|
|
|
|
# <you> denotes outgoing messages you sent
|
|
# <usr> denotes incoming response messages
|
|
with bot.conversation(chat) as conv:
|
|
# <you> Hi!
|
|
conv.send_message('Hi!')
|
|
|
|
# <usr> Hello!
|
|
hello = conv.get_response()
|
|
|
|
# <you> Please tell me your name
|
|
conv.send_message('Please tell me your name')
|
|
|
|
# <usr> ?
|
|
name = conv.get_response().raw_text
|
|
|
|
while not any(x.isalpha() for x in name):
|
|
# <you> Your name didn't have any letters! Try again
|
|
conv.send_message("Your name didn't have any letters! Try again")
|
|
|
|
# <usr> Human
|
|
name = conv.get_response().raw_text
|
|
|
|
# <you> Thanks Human!
|
|
conv.send_message('Thanks {}!'.format(name))
|
|
"""
|
|
return custom.Conversation(
|
|
self,
|
|
entity,
|
|
timeout=timeout,
|
|
total_timeout=total_timeout,
|
|
max_messages=max_messages,
|
|
exclusive=exclusive,
|
|
replies_are_responses=replies_are_responses
|
|
|
|
)
|
|
|
|
# endregion
|