mirror of
https://github.com/LonamiWebs/Telethon.git
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283 lines
11 KiB
Python
283 lines
11 KiB
Python
import asyncio
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import itertools
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from .telegrambaseclient import TelegramBaseClient
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from .. import errors, utils
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from ..tl import TLObject, TLRequest, types, functions
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_NOT_A_REQUEST = TypeError('You can only invoke requests, not types!')
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class UserMethods(TelegramBaseClient):
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async def __call__(self, request, retries=5, ordered=False):
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for r in (request if utils.is_list_like(request) else (request,)):
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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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for _ in range(retries):
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try:
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future = self._sender.send(request, ordered=ordered)
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if isinstance(future, list):
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results = []
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for f in future:
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results.append(await f)
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return results
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else:
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return await future
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except (errors.ServerError, errors.RpcCallFailError):
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pass
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except (errors.FloodWaitError, errors.FloodTestPhoneWaitError) as e:
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if e.seconds <= self.session.flood_sleep_threshold:
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await asyncio.sleep(e.seconds, loop=self._loop)
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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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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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raise ValueError('Number of retries reached 0')
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# region Public methods
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async def get_me(self, input_peer=False):
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"""
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Gets "me" (the self user) which is currently authenticated,
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or None if the request fails (hence, not authenticated).
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Args:
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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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"""
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if input_peer and self._self_input_peer:
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return self._self_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._self_input_peer:
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self._self_input_peer = utils.get_input_peer(
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me, allow_self=False
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)
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return self._self_input_peer if input_peer else me
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except errors.UnauthorizedError:
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return None
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async def is_user_authorized(self):
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"""
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Returns ``True`` if the user is authorized.
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"""
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if self._self_input_peer is not None or self._state is not None:
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return True
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try:
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self._state = await self(functions.updates.GetStateRequest())
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return True
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except errors.RPCError:
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return False
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async def get_entity(self, entity):
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"""
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Turns the given entity into a valid Telegram user or chat.
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entity (`str` | `int` | :tl:`Peer` | :tl:`InputPeer`):
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The entity (or iterable of entities) to be transformed.
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If it's a string which can be converted to an integer or starts
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with '+' it will be resolved as if it were a phone number.
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If it doesn't start with '+' or starts with a '@' it will be
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be resolved from the username. If no exact match is returned,
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an error will be raised.
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If the entity is an integer or a Peer, its information will be
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returned through a call to self.get_input_peer(entity).
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If the entity is neither, and it's not a TLObject, an
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error 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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"""
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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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x if isinstance(x, str) else await self.get_input_entity(x)
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for x in entity
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]
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users = [x for x in inputs
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if isinstance(x, (types.InputPeerUser, types.InputPeerSelf))]
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chats = [x.chat_id for x in inputs
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if isinstance(x, types.InputPeerChat)]
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channels = [x for x in inputs
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if isinstance(x, types.InputPeerChannel)]
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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(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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utils.get_peer_id(x): 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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await self._get_entity_from_string(x) if isinstance(x, str)
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else (
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id_entity[utils.get_peer_id(x)]
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if not isinstance(x, types.InputPeerSelf)
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else next(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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for x in inputs
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]
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return result[0] if single else result
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async def get_input_entity(self, peer):
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"""
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Turns the given peer into its input entity version. Most requests
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use this kind of InputUser, InputChat and so on, so this is the
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most suitable call to make for those cases.
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entity (`str` | `int` | :tl:`Peer` | :tl:`InputPeer`):
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The integer ID of an user or otherwise either of a
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:tl:`PeerUser`, :tl:`PeerChat` or :tl:`PeerChannel`, for
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which to get its ``Input*`` version.
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If this ``Peer`` hasn't been seen before by the library, the top
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dialogs will be loaded and their entities saved to the session
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file (unless this feature was disabled explicitly).
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If in the end the access hash required for the peer was not found,
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a ValueError will be raised.
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Returns:
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:tl:`InputPeerUser`, :tl:`InputPeerChat` or :tl:`InputPeerChannel`
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or :tl:`InputPeerSelf` if the parameter is ``'me'`` or ``'self'``.
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If you need to get the ID of yourself, you should use
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`get_me` with ``input_peer=True``) instead.
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"""
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if peer in ('me', 'self'):
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return types.InputPeerSelf()
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try:
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# First try to get the entity from cache, otherwise figure it out
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return self.session.get_input_entity(peer)
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except ValueError:
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pass
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if isinstance(peer, str):
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return utils.get_input_peer(
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await self._get_entity_from_string(peer))
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if not isinstance(peer, int) and (not isinstance(peer, TLObject)
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or peer.SUBCLASS_OF_ID != 0x2d45687):
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# Try casting the object into an input peer. Might TypeError.
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# Don't do it if a not-found ID was given (instead ValueError).
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# Also ignore Peer (0x2d45687 == crc32(b'Peer'))'s, lacking hash.
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return utils.get_input_peer(peer)
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raise ValueError(
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'Could not find the input entity for "{}". Please read https://'
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'telethon.readthedocs.io/en/latest/extra/basic/entities.html to'
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' find out more details.'
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.format(peer)
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)
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# endregion
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# region Private methods
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async def _get_entity_from_string(self, string):
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"""
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Gets a full entity from the given string, which may be a phone or
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an username, and processes all the found entities on the session.
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The string may also be a user link, or a channel/chat invite link.
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This method has the side effect of adding the found users to the
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session database, so it can be queried later without API calls,
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if this option is enabled on the session.
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Returns the found entity, or raises TypeError if not found.
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"""
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phone = utils.parse_phone(string)
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if phone:
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for user in (await self(
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functions.contacts.GetContactsRequest(0))).users:
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if user.phone == phone:
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return user
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else:
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username, is_join_chat = utils.parse_username(string)
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if is_join_chat:
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invite = await self(
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functions.messages.CheckChatInviteRequest(username))
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if isinstance(invite, types.ChatInvite):
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raise ValueError(
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'Cannot get entity from a channel (or group) '
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'that you are not part of. Join the group and retry'
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)
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elif isinstance(invite, types.ChatInviteAlready):
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return invite.chat
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elif username:
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if username in ('me', 'self'):
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return await self.get_me()
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try:
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result = await self(
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functions.contacts.ResolveUsernameRequest(username))
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except errors.UsernameNotOccupiedError as e:
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raise ValueError('No user has "{}" as username'
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.format(username)) from e
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for entity in itertools.chain(result.users, result.chats):
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if getattr(entity, 'username', None) or '' \
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.lower() == username:
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return entity
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try:
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# Nobody with this username, maybe it's an exact name/title
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return await self.get_entity(
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self.session.get_input_entity(string))
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except ValueError:
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pass
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raise ValueError(
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'Cannot find any entity corresponding to "{}"'.format(string)
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)
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# endregion
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