614 lines
25 KiB
Python
614 lines
25 KiB
Python
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import asyncio
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import datetime
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import itertools
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import time
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import typing
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from .. import errors, helpers, utils, hints
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from ..errors import MultiError, RPCError
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from ..helpers import retry_range
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from ..tl import TLRequest, types, functions
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_NOT_A_REQUEST = lambda: TypeError('You can only invoke requests, not types!')
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if typing.TYPE_CHECKING:
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from .telegramclient import TelegramClient
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def _fmt_flood(delay, request, *, early=False, td=datetime.timedelta):
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return (
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'Sleeping%s for %ds (%s) on %s flood wait',
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' early' if early else '',
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delay,
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td(seconds=delay),
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request.__class__.__name__
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)
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class UserMethods:
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async def __call__(self: 'TelegramClient', request, ordered=False, flood_sleep_threshold=None):
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return await self._call(self._sender, request, ordered=ordered)
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async def _call(self: 'TelegramClient', sender, request, ordered=False, flood_sleep_threshold=None):
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if self._loop is not None and self._loop != helpers.get_running_loop():
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raise RuntimeError('The asyncio event loop must not change after connection (see the FAQ for details)')
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# if the loop is None it will fail with a connection error later on
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if flood_sleep_threshold is None:
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flood_sleep_threshold = self.flood_sleep_threshold
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requests = (request if utils.is_list_like(request) else (request,))
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for r in requests:
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if not isinstance(r, TLRequest):
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raise _NOT_A_REQUEST()
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await r.resolve(self, utils)
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# Avoid making the request if it's already in a flood wait
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if r.CONSTRUCTOR_ID in self._flood_waited_requests:
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due = self._flood_waited_requests[r.CONSTRUCTOR_ID]
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diff = round(due - time.time())
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if diff <= 3: # Flood waits below 3 seconds are "ignored"
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self._flood_waited_requests.pop(r.CONSTRUCTOR_ID, None)
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elif diff <= flood_sleep_threshold:
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self._log[__name__].info(*_fmt_flood(diff, r, early=True))
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await asyncio.sleep(diff)
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self._flood_waited_requests.pop(r.CONSTRUCTOR_ID, None)
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else:
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raise errors.FloodWaitError(request=r, capture=diff)
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if self._no_updates:
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r = functions.InvokeWithoutUpdatesRequest(r)
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request_index = 0
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last_error = None
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self._last_request = time.time()
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for attempt in retry_range(self._request_retries):
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try:
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future = sender.send(request, ordered=ordered)
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if isinstance(future, list):
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results = []
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exceptions = []
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for f in future:
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try:
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result = await f
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except RPCError as e:
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exceptions.append(e)
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results.append(None)
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continue
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self.session.process_entities(result)
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exceptions.append(None)
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results.append(result)
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request_index += 1
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if any(x is not None for x in exceptions):
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raise MultiError(exceptions, results, requests)
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else:
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return results
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else:
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result = await future
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self.session.process_entities(result)
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return result
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except (errors.ServerError, errors.RpcCallFailError,
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errors.RpcMcgetFailError, errors.InterdcCallErrorError,
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errors.TimedOutError,
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errors.InterdcCallRichErrorError) as e:
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last_error = e
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self._log[__name__].warning(
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'Telegram is having internal issues %s: %s',
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e.__class__.__name__, e)
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await asyncio.sleep(2)
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except (errors.FloodWaitError, errors.SlowModeWaitError, errors.FloodTestPhoneWaitError) as e:
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last_error = e
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if utils.is_list_like(request):
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request = request[request_index]
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# SLOW_MODE_WAIT is chat-specific, not request-specific
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if not isinstance(e, errors.SlowModeWaitError):
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self._flood_waited_requests\
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[request.CONSTRUCTOR_ID] = time.time() + e.seconds
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# In test servers, FLOOD_WAIT_0 has been observed, and sleeping for
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# such a short amount will cause retries very fast leading to issues.
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if e.seconds == 0:
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e.seconds = 1
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if e.seconds <= self.flood_sleep_threshold:
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self._log[__name__].info(*_fmt_flood(e.seconds, request))
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await asyncio.sleep(e.seconds)
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else:
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raise
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except (errors.PhoneMigrateError, errors.NetworkMigrateError,
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errors.UserMigrateError) as e:
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last_error = e
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self._log[__name__].info('Phone migrated to %d', e.new_dc)
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should_raise = isinstance(e, (
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errors.PhoneMigrateError, errors.NetworkMigrateError
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))
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if should_raise and await self.is_user_authorized():
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raise
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await self._switch_dc(e.new_dc)
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if self._raise_last_call_error and last_error is not None:
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raise last_error
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raise ValueError('Request was unsuccessful {} time(s)'
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.format(attempt))
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# region Public methods
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async def get_me(self: 'TelegramClient', input_peer: bool = False) \
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-> 'typing.Union[types.User, types.InputPeerUser]':
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"""
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Gets "me", the current :tl:`User` who is logged in.
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If the user has not logged in yet, this method returns `None`.
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Arguments
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input_peer (`bool`, optional):
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Whether to return the :tl:`InputPeerUser` version or the normal
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:tl:`User`. This can be useful if you just need to know the ID
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of yourself.
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Returns
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Your own :tl:`User`.
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Example
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.. code-block:: python
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me = await client.get_me()
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print(me.username)
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"""
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if input_peer and self._mb_entity_cache.self_id:
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return self._mb_entity_cache.get(self._mb_entity_cache.self_id)._as_input_peer()
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try:
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me = (await self(
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functions.users.GetUsersRequest([types.InputUserSelf()])))[0]
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if not self._mb_entity_cache.self_id:
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self._mb_entity_cache.set_self_user(me.id, me.bot, me.access_hash)
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return utils.get_input_peer(me, allow_self=False) if input_peer else me
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except errors.UnauthorizedError:
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return None
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@property
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def _self_id(self: 'TelegramClient') -> typing.Optional[int]:
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"""
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Returns the ID of the logged-in user, if known.
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This property is used in every update, and some like `updateLoginToken`
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occur prior to login, so it gracefully handles when no ID is known yet.
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"""
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return self._mb_entity_cache.self_id
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async def is_bot(self: 'TelegramClient') -> bool:
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"""
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Return `True` if the signed-in user is a bot, `False` otherwise.
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Example
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.. code-block:: python
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if await client.is_bot():
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print('Beep')
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else:
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print('Hello')
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"""
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if self._mb_entity_cache.self_bot is None:
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await self.get_me(input_peer=True)
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return self._mb_entity_cache.self_bot
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async def is_user_authorized(self: 'TelegramClient') -> bool:
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"""
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Returns `True` if the user is authorized (logged in).
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Example
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.. code-block:: python
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if not await client.is_user_authorized():
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await client.send_code_request(phone)
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code = input('enter code: ')
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await client.sign_in(phone, code)
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"""
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if self._authorized is None:
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try:
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# Any request that requires authorization will work
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await self(functions.updates.GetStateRequest())
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self._authorized = True
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except errors.RPCError:
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self._authorized = False
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return self._authorized
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async def get_entity(
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self: 'TelegramClient',
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entity: 'hints.EntitiesLike') -> typing.Union['hints.Entity', typing.List['hints.Entity']]:
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"""
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Turns the given entity into a valid Telegram :tl:`User`, :tl:`Chat`
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or :tl:`Channel`. You can also pass a list or iterable of entities,
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and they will be efficiently fetched from the network.
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Arguments
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entity (`str` | `int` | :tl:`Peer` | :tl:`InputPeer`):
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If a username is given, **the username will be resolved** making
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an API call every time. Resolving usernames is an expensive
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operation and will start hitting flood waits around 50 usernames
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in a short period of time.
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If you want to get the entity for a *cached* username, you should
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first `get_input_entity(username) <get_input_entity>` which will
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use the cache), and then use `get_entity` with the result of the
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previous call.
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Similar limits apply to invite links, and you should use their
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ID instead.
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Using phone numbers (from people in your contact list), exact
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names, integer IDs or :tl:`Peer` rely on a `get_input_entity`
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first, which in turn needs the entity to be in cache, unless
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a :tl:`InputPeer` was passed.
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Unsupported types will raise ``TypeError``.
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If the entity can't be found, ``ValueError`` will be raised.
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Returns
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:tl:`User`, :tl:`Chat` or :tl:`Channel` corresponding to the
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input entity. A list will be returned if more than one was given.
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Example
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.. code-block:: python
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from telethon import utils
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me = await client.get_entity('me')
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print(utils.get_display_name(me))
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chat = await client.get_input_entity('username')
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async for message in client.iter_messages(chat):
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...
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# Note that you could have used the username directly, but it's
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# good to use get_input_entity if you will reuse it a lot.
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async for message in client.iter_messages('username'):
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...
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# Note that for this to work the phone number must be in your contacts
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some_id = await client.get_peer_id('+34123456789')
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"""
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single = not utils.is_list_like(entity)
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if single:
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entity = (entity,)
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# Group input entities by string (resolve username),
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# input users (get users), input chat (get chats) and
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# input channels (get channels) to get the most entities
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# in the less amount of calls possible.
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inputs = []
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for x in entity:
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if isinstance(x, str):
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inputs.append(x)
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else:
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inputs.append(await self.get_input_entity(x))
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lists = {
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helpers._EntityType.USER: [],
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helpers._EntityType.CHAT: [],
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helpers._EntityType.CHANNEL: [],
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}
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for x in inputs:
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try:
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lists[helpers._entity_type(x)].append(x)
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except TypeError:
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pass
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users = lists[helpers._EntityType.USER]
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chats = lists[helpers._EntityType.CHAT]
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channels = lists[helpers._EntityType.CHANNEL]
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if users:
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# GetUsersRequest has a limit of 200 per call
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tmp = []
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while users:
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curr, users = users[:200], users[200:]
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tmp.extend(await self(functions.users.GetUsersRequest(curr)))
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users = tmp
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if chats: # TODO Handle chats slice?
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chats = (await self(
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functions.messages.GetChatsRequest([x.chat_id for x in chats]))).chats
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if channels:
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channels = (await self(
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functions.channels.GetChannelsRequest(channels))).chats
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# Merge users, chats and channels into a single dictionary
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id_entity = {
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# `get_input_entity` might've guessed the type from a non-marked ID,
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# so the only way to match that with the input is by not using marks here.
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utils.get_peer_id(x, add_mark=False): x
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for x in itertools.chain(users, chats, channels)
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}
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# We could check saved usernames and put them into the users,
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# chats and channels list from before. While this would reduce
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# the amount of ResolveUsername calls, it would fail to catch
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# username changes.
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result = []
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for x in inputs:
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if isinstance(x, str):
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result.append(await self._get_entity_from_string(x))
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elif not isinstance(x, types.InputPeerSelf):
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result.append(id_entity[utils.get_peer_id(x, add_mark=False)])
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else:
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result.append(next(
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u for u in id_entity.values()
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if isinstance(u, types.User) and u.is_self
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))
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return result[0] if single else result
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async def get_input_entity(
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self: 'TelegramClient',
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peer: 'hints.EntityLike') -> 'types.TypeInputPeer':
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"""
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Turns the given entity into its input entity version.
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Most requests use this kind of :tl:`InputPeer`, so this is the most
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suitable call to make for those cases. **Generally you should let the
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library do its job** and don't worry about getting the input entity
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first, but if you're going to use an entity often, consider making the
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call:
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Arguments
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entity (`str` | `int` | :tl:`Peer` | :tl:`InputPeer`):
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If a username or invite link is given, **the library will
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use the cache**. This means that it's possible to be using
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a username that *changed* or an old invite link (this only
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happens if an invite link for a small group chat is used
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after it was upgraded to a mega-group).
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If the username or ID from the invite link is not found in
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the cache, it will be fetched. The same rules apply to phone
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numbers (``'+34 123456789'``) from people in your contact list.
|
||
|
|
|
||
|
|
If an exact name is given, it must be in the cache too. This
|
||
|
|
is not reliable as different people can share the same name
|
||
|
|
and which entity is returned is arbitrary, and should be used
|
||
|
|
only for quick tests.
|
||
|
|
|
||
|
|
If a positive integer ID is given, the entity will be searched
|
||
|
|
in cached users, chats or channels, without making any call.
|
||
|
|
|
||
|
|
If a negative integer ID is given, the entity will be searched
|
||
|
|
exactly as either a chat (prefixed with ``-``) or as a channel
|
||
|
|
(prefixed with ``-100``).
|
||
|
|
|
||
|
|
If a :tl:`Peer` is given, it will be searched exactly in the
|
||
|
|
cache as either a user, chat or channel.
|
||
|
|
|
||
|
|
If the given object can be turned into an input entity directly,
|
||
|
|
said operation will be done.
|
||
|
|
|
||
|
|
Unsupported types will raise ``TypeError``.
|
||
|
|
|
||
|
|
If the entity can't be found, ``ValueError`` will be raised.
|
||
|
|
|
||
|
|
Returns
|
||
|
|
:tl:`InputPeerUser`, :tl:`InputPeerChat` or :tl:`InputPeerChannel`
|
||
|
|
or :tl:`InputPeerSelf` if the parameter is ``'me'`` or ``'self'``.
|
||
|
|
|
||
|
|
If you need to get the ID of yourself, you should use
|
||
|
|
`get_me` with ``input_peer=True``) instead.
|
||
|
|
|
||
|
|
Example
|
||
|
|
.. code-block:: python
|
||
|
|
|
||
|
|
# If you're going to use "username" often in your code
|
||
|
|
# (make a lot of calls), consider getting its input entity
|
||
|
|
# once, and then using the "user" everywhere instead.
|
||
|
|
user = await client.get_input_entity('username')
|
||
|
|
|
||
|
|
# The same applies to IDs, chats or channels.
|
||
|
|
chat = await client.get_input_entity(-123456789)
|
||
|
|
"""
|
||
|
|
# Short-circuit if the input parameter directly maps to an InputPeer
|
||
|
|
try:
|
||
|
|
return utils.get_input_peer(peer)
|
||
|
|
except TypeError:
|
||
|
|
pass
|
||
|
|
|
||
|
|
# Next in priority is having a peer (or its ID) cached in-memory
|
||
|
|
try:
|
||
|
|
# 0x2d45687 == crc32(b'Peer')
|
||
|
|
if isinstance(peer, int) or peer.SUBCLASS_OF_ID == 0x2d45687:
|
||
|
|
return self._mb_entity_cache.get(utils.get_peer_id(peer, add_mark=False))._as_input_peer()
|
||
|
|
except AttributeError:
|
||
|
|
pass
|
||
|
|
|
||
|
|
# Then come known strings that take precedence
|
||
|
|
if peer in ('me', 'self'):
|
||
|
|
return types.InputPeerSelf()
|
||
|
|
|
||
|
|
# No InputPeer, cached peer, or known string. Fetch from disk cache
|
||
|
|
try:
|
||
|
|
return self.session.get_input_entity(peer)
|
||
|
|
except ValueError:
|
||
|
|
pass
|
||
|
|
|
||
|
|
# Only network left to try
|
||
|
|
if isinstance(peer, str):
|
||
|
|
return utils.get_input_peer(
|
||
|
|
await self._get_entity_from_string(peer))
|
||
|
|
|
||
|
|
# If we're a bot and the user has messaged us privately users.getUsers
|
||
|
|
# will work with access_hash = 0. Similar for channels.getChannels.
|
||
|
|
# If we're not a bot but the user is in our contacts, it seems to work
|
||
|
|
# regardless. These are the only two special-cased requests.
|
||
|
|
peer = utils.get_peer(peer)
|
||
|
|
if isinstance(peer, types.PeerUser):
|
||
|
|
users = await self(functions.users.GetUsersRequest([
|
||
|
|
types.InputUser(peer.user_id, access_hash=0)]))
|
||
|
|
if users and not isinstance(users[0], types.UserEmpty):
|
||
|
|
# If the user passed a valid ID they expect to work for
|
||
|
|
# channels but would be valid for users, we get UserEmpty.
|
||
|
|
# Avoid returning the invalid empty input peer for that.
|
||
|
|
#
|
||
|
|
# We *could* try to guess if it's a channel first, and if
|
||
|
|
# it's not, work as a chat and try to validate it through
|
||
|
|
# another request, but that becomes too much work.
|
||
|
|
return utils.get_input_peer(users[0])
|
||
|
|
elif isinstance(peer, types.PeerChat):
|
||
|
|
return types.InputPeerChat(peer.chat_id)
|
||
|
|
elif isinstance(peer, types.PeerChannel):
|
||
|
|
try:
|
||
|
|
channels = await self(functions.channels.GetChannelsRequest([
|
||
|
|
types.InputChannel(peer.channel_id, access_hash=0)]))
|
||
|
|
return utils.get_input_peer(channels.chats[0])
|
||
|
|
except errors.ChannelInvalidError:
|
||
|
|
pass
|
||
|
|
|
||
|
|
raise ValueError(
|
||
|
|
'Could not find the input entity for {} ({}). Please read https://'
|
||
|
|
'docs.telethon.dev/en/stable/concepts/entities.html to'
|
||
|
|
' find out more details.'
|
||
|
|
.format(peer, type(peer).__name__)
|
||
|
|
)
|
||
|
|
|
||
|
|
async def _get_peer(self: 'TelegramClient', peer: 'hints.EntityLike'):
|
||
|
|
i, cls = utils.resolve_id(await self.get_peer_id(peer))
|
||
|
|
return cls(i)
|
||
|
|
|
||
|
|
async def get_peer_id(
|
||
|
|
self: 'TelegramClient',
|
||
|
|
peer: 'hints.EntityLike',
|
||
|
|
add_mark: bool = True) -> int:
|
||
|
|
"""
|
||
|
|
Gets the ID for the given entity.
|
||
|
|
|
||
|
|
This method needs to be ``async`` because `peer` supports usernames,
|
||
|
|
invite-links, phone numbers (from people in your contact list), etc.
|
||
|
|
|
||
|
|
If ``add_mark is False``, then a positive ID will be returned
|
||
|
|
instead. By default, bot-API style IDs (signed) are returned.
|
||
|
|
|
||
|
|
Example
|
||
|
|
.. code-block:: python
|
||
|
|
|
||
|
|
print(await client.get_peer_id('me'))
|
||
|
|
"""
|
||
|
|
if isinstance(peer, int):
|
||
|
|
return utils.get_peer_id(peer, add_mark=add_mark)
|
||
|
|
|
||
|
|
try:
|
||
|
|
if peer.SUBCLASS_OF_ID not in (0x2d45687, 0xc91c90b6):
|
||
|
|
# 0x2d45687, 0xc91c90b6 == crc32(b'Peer') and b'InputPeer'
|
||
|
|
peer = await self.get_input_entity(peer)
|
||
|
|
except AttributeError:
|
||
|
|
peer = await self.get_input_entity(peer)
|
||
|
|
|
||
|
|
if isinstance(peer, types.InputPeerSelf):
|
||
|
|
peer = await self.get_me(input_peer=True)
|
||
|
|
|
||
|
|
return utils.get_peer_id(peer, add_mark=add_mark)
|
||
|
|
|
||
|
|
# endregion
|
||
|
|
|
||
|
|
# region Private methods
|
||
|
|
|
||
|
|
async def _get_entity_from_string(self: 'TelegramClient', string):
|
||
|
|
"""
|
||
|
|
Gets a full entity from the given string, which may be a phone or
|
||
|
|
a username, and processes all the found entities on the session.
|
||
|
|
The string may also be a user link, or a channel/chat invite link.
|
||
|
|
|
||
|
|
This method has the side effect of adding the found users to the
|
||
|
|
session database, so it can be queried later without API calls,
|
||
|
|
if this option is enabled on the session.
|
||
|
|
|
||
|
|
Returns the found entity, or raises TypeError if not found.
|
||
|
|
"""
|
||
|
|
phone = utils.parse_phone(string)
|
||
|
|
if phone:
|
||
|
|
try:
|
||
|
|
for user in (await self(
|
||
|
|
functions.contacts.GetContactsRequest(0))).users:
|
||
|
|
if user.phone == phone:
|
||
|
|
return user
|
||
|
|
except errors.BotMethodInvalidError:
|
||
|
|
raise ValueError('Cannot get entity by phone number as a '
|
||
|
|
'bot (try using integer IDs, not strings)')
|
||
|
|
elif string.lower() in ('me', 'self'):
|
||
|
|
return await self.get_me()
|
||
|
|
else:
|
||
|
|
username, is_join_chat = utils.parse_username(string)
|
||
|
|
if is_join_chat:
|
||
|
|
invite = await self(
|
||
|
|
functions.messages.CheckChatInviteRequest(username))
|
||
|
|
|
||
|
|
if isinstance(invite, types.ChatInvite):
|
||
|
|
raise ValueError(
|
||
|
|
'Cannot get entity from a channel (or group) '
|
||
|
|
'that you are not part of. Join the group and retry'
|
||
|
|
)
|
||
|
|
elif isinstance(invite, types.ChatInviteAlready):
|
||
|
|
return invite.chat
|
||
|
|
elif username:
|
||
|
|
try:
|
||
|
|
result = await self(
|
||
|
|
functions.contacts.ResolveUsernameRequest(username))
|
||
|
|
except errors.UsernameNotOccupiedError as e:
|
||
|
|
raise ValueError('No user has "{}" as username'
|
||
|
|
.format(username)) from e
|
||
|
|
|
||
|
|
try:
|
||
|
|
pid = utils.get_peer_id(result.peer, add_mark=False)
|
||
|
|
if isinstance(result.peer, types.PeerUser):
|
||
|
|
return next(x for x in result.users if x.id == pid)
|
||
|
|
else:
|
||
|
|
return next(x for x in result.chats if x.id == pid)
|
||
|
|
except StopIteration:
|
||
|
|
pass
|
||
|
|
try:
|
||
|
|
# Nobody with this username, maybe it's an exact name/title
|
||
|
|
return await self.get_entity(
|
||
|
|
self.session.get_input_entity(string))
|
||
|
|
except ValueError:
|
||
|
|
pass
|
||
|
|
|
||
|
|
raise ValueError(
|
||
|
|
'Cannot find any entity corresponding to "{}"'.format(string)
|
||
|
|
)
|
||
|
|
|
||
|
|
async def _get_input_dialog(self: 'TelegramClient', dialog):
|
||
|
|
"""
|
||
|
|
Returns a :tl:`InputDialogPeer`. This is a bit tricky because
|
||
|
|
it may or not need access to the client to convert what's given
|
||
|
|
into an input entity.
|
||
|
|
"""
|
||
|
|
try:
|
||
|
|
if dialog.SUBCLASS_OF_ID == 0xa21c9795: # crc32(b'InputDialogPeer')
|
||
|
|
dialog.peer = await self.get_input_entity(dialog.peer)
|
||
|
|
return dialog
|
||
|
|
elif dialog.SUBCLASS_OF_ID == 0xc91c90b6: # crc32(b'InputPeer')
|
||
|
|
return types.InputDialogPeer(dialog)
|
||
|
|
except AttributeError:
|
||
|
|
pass
|
||
|
|
|
||
|
|
return types.InputDialogPeer(await self.get_input_entity(dialog))
|
||
|
|
|
||
|
|
async def _get_input_notify(self: 'TelegramClient', notify):
|
||
|
|
"""
|
||
|
|
Returns a :tl:`InputNotifyPeer`. This is a bit tricky because
|
||
|
|
it may or not need access to the client to convert what's given
|
||
|
|
into an input entity.
|
||
|
|
"""
|
||
|
|
try:
|
||
|
|
if notify.SUBCLASS_OF_ID == 0x58981615:
|
||
|
|
if isinstance(notify, types.InputNotifyPeer):
|
||
|
|
notify.peer = await self.get_input_entity(notify.peer)
|
||
|
|
return notify
|
||
|
|
except AttributeError:
|
||
|
|
pass
|
||
|
|
|
||
|
|
return types.InputNotifyPeer(await self.get_input_entity(notify))
|
||
|
|
|
||
|
|
# endregion
|