Separate user methods from the base client

This commit is contained in:
Lonami Exo
2018-06-09 21:22:54 +02:00
parent 4b147f0153
commit bb9b9796e0
5 changed files with 324 additions and 300 deletions

View File

@@ -1,3 +1,4 @@
import abc
import asyncio
import itertools
import logging
@@ -5,15 +6,15 @@ import platform
import warnings
from datetime import timedelta, datetime
from . import version, errors, utils
from .crypto import rsa
from .extensions import markdown
from .network import MTProtoSender, ConnectionTcpFull
from .network.mtprotostate import MTProtoState
from .sessions import Session, SQLiteSession
from .tl import TLObject, types, functions
from .tl.all_tlobjects import LAYER
from .update_state import UpdateState
from .. import version, errors, utils
from ..crypto import rsa
from ..extensions import markdown
from ..network import MTProtoSender, ConnectionTcpFull
from ..network.mtprotostate import MTProtoState
from ..sessions import Session, SQLiteSession
from ..tl import TLObject, types, functions
from ..tl.all_tlobjects import LAYER
from ..update_state import UpdateState
DEFAULT_DC_ID = 4
DEFAULT_IPV4_IP = '149.154.167.51'
@@ -23,10 +24,11 @@ DEFAULT_PORT = 443
__log__ = logging.getLogger(__name__)
class TelegramBareClient:
class TelegramBaseClient(abc.ABC):
"""
A bare Telegram client that somewhat eases the usage of the
``MTProtoSender``.
This is the abstract base class for the client. It defines some
basic stuff like connecting, switching data center, etc, and
leaves the `__call__` unimplemented.
Args:
session (`str` | `telethon.sessions.abstract.Session`, `None`):
@@ -260,8 +262,8 @@ class TelegramBareClient:
async def _get_dc(self, dc_id, cdn=False):
"""Gets the Data Center (DC) associated to 'dc_id'"""
if not TelegramBareClient._config:
TelegramBareClient._config =\
if not TelegramBaseClient._config:
TelegramBaseClient._config =\
await self(functions.help.GetConfigRequest())
try:
@@ -272,7 +274,7 @@ class TelegramBareClient:
rsa.add_key(pk.public_key)
return next(
dc for dc in TelegramBareClient._config.dc_options
dc for dc in TelegramBaseClient._config.dc_options
if dc.id == dc_id
and bool(dc.ipv6) == self._use_ipv6 and bool(dc.cdn) == cdn
)
@@ -281,7 +283,7 @@ class TelegramBareClient:
raise
# New configuration, perhaps a new CDN was added?
TelegramBareClient._config =\
TelegramBaseClient._config =\
await self(functions.help.GetConfigRequest())
return self._get_dc(dc_id, cdn=cdn)
@@ -369,7 +371,8 @@ class TelegramBareClient:
# region Invoking Telegram requests
async def __call__(self, request, retries=5, ordered=False):
@abc.abstractmethod
def __call__(self, request, retries=5, ordered=False):
"""
Invokes (sends) one or more MTProtoRequests and returns (receives)
their result.
@@ -387,36 +390,7 @@ class TelegramBareClient:
The result of the request (often a `TLObject`) or a list of
results if more than one request was given.
"""
requests = (request,) if not utils.is_list_like(request) else request
if not all(isinstance(x, TLObject) and
x.content_related for x in requests):
raise TypeError('You can only invoke requests, not types!')
for r in requests:
await r.resolve(self, utils)
for _ in range(retries):
try:
future = self._sender.send(request, ordered=ordered)
if isinstance(future, list):
results = []
for f in future:
results.append(await f)
return results
else:
return await future
except (errors.ServerError, errors.RpcCallFailError):
pass
except (errors.FloodWaitError, errors.FloodTestPhoneWaitError) as e:
if e.seconds <= self.session.flood_sleep_threshold:
await asyncio.sleep(e.seconds)
else:
raise
except (errors.PhoneMigrateError, errors.NetworkMigrateError,
errors.UserMigrateError) as e:
await self._switch_dc(e.new_dc)
raise ValueError('Number of retries reached 0')
raise NotImplementedError
# Let people use client.invoke(SomeRequest()) instead client(...)
async def invoke(self, *args, **kwargs):
@@ -425,227 +399,3 @@ class TelegramBareClient:
return await self(*args, **kwargs)
# endregion
# region Minimal helpers
async def get_me(self, input_peer=False):
"""
Gets "me" (the self user) which is currently authenticated,
or None if the request fails (hence, not authenticated).
Args:
input_peer (`bool`, optional):
Whether to return the :tl:`InputPeerUser` version or the normal
:tl:`User`. This can be useful if you just need to know the ID
of yourself.
Returns:
Your own :tl:`User`.
"""
if input_peer and self._self_input_peer:
return self._self_input_peer
try:
me = (await self(
functions.users.GetUsersRequest([types.InputUserSelf()])))[0]
if not self._self_input_peer:
self._self_input_peer = utils.get_input_peer(
me, allow_self=False
)
return self._self_input_peer if input_peer else me
except errors.UnauthorizedError:
return None
async def get_entity(self, entity):
"""
Turns the given entity into a valid Telegram user or chat.
entity (`str` | `int` | :tl:`Peer` | :tl:`InputPeer`):
The entity (or iterable of entities) to be transformed.
If it's a string which can be converted to an integer or starts
with '+' it will be resolved as if it were a phone number.
If it doesn't start with '+' or starts with a '@' it will be
be resolved from the username. If no exact match is returned,
an error will be raised.
If the entity is an integer or a Peer, its information will be
returned through a call to self.get_input_peer(entity).
If the entity is neither, and it's not a TLObject, an
error will be raised.
Returns:
:tl:`User`, :tl:`Chat` or :tl:`Channel` corresponding to the
input entity. A list will be returned if more than one was given.
"""
single = not utils.is_list_like(entity)
if single:
entity = (entity,)
# Group input entities by string (resolve username),
# input users (get users), input chat (get chats) and
# input channels (get channels) to get the most entities
# in the less amount of calls possible.
inputs = [
x if isinstance(x, str) else await self.get_input_entity(x)
for x in entity
]
users = [x for x in inputs
if isinstance(x, (types.InputPeerUser, types.InputPeerSelf))]
chats = [x.chat_id for x in inputs
if isinstance(x, types.InputPeerChat)]
channels = [x for x in inputs
if isinstance(x, types.InputPeerChannel)]
if users:
# GetUsersRequest has a limit of 200 per call
tmp = []
while users:
curr, users = users[:200], users[200:]
tmp.extend(await self(functions.users.GetUsersRequest(curr)))
users = tmp
if chats: # TODO Handle chats slice?
chats = (await self(
functions.messages.GetChatsRequest(chats))).chats
if channels:
channels = (await self(
functions.channels.GetChannelsRequest(channels))).chats
# Merge users, chats and channels into a single dictionary
id_entity = {
utils.get_peer_id(x): x
for x in itertools.chain(users, chats, channels)
}
# We could check saved usernames and put them into the users,
# chats and channels list from before. While this would reduce
# the amount of ResolveUsername calls, it would fail to catch
# username changes.
result = [
await self._get_entity_from_string(x) if isinstance(x, str)
else (
id_entity[utils.get_peer_id(x)]
if not isinstance(x, types.InputPeerSelf)
else next(u for u in id_entity.values()
if isinstance(u, types.User) and u.is_self)
)
for x in inputs
]
return result[0] if single else result
async def get_input_entity(self, peer):
"""
Turns the given peer into its input entity version. Most requests
use this kind of InputUser, InputChat and so on, so this is the
most suitable call to make for those cases.
entity (`str` | `int` | :tl:`Peer` | :tl:`InputPeer`):
The integer ID of an user or otherwise either of a
:tl:`PeerUser`, :tl:`PeerChat` or :tl:`PeerChannel`, for
which to get its ``Input*`` version.
If this ``Peer`` hasn't been seen before by the library, the top
dialogs will be loaded and their entities saved to the session
file (unless this feature was disabled explicitly).
If in the end the access hash required for the peer was not found,
a 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.
"""
if peer in ('me', 'self'):
return types.InputPeerSelf()
try:
# First try to get the entity from cache, otherwise figure it out
return self.session.get_input_entity(peer)
except ValueError:
pass
if isinstance(peer, str):
return utils.get_input_peer(
await self._get_entity_from_string(peer))
if not isinstance(peer, int) and (not isinstance(peer, TLObject)
or peer.SUBCLASS_OF_ID != 0x2d45687):
# Try casting the object into an input peer. Might TypeError.
# Don't do it if a not-found ID was given (instead ValueError).
# Also ignore Peer (0x2d45687 == crc32(b'Peer'))'s, lacking hash.
return utils.get_input_peer(peer)
raise ValueError(
'Could not find the input entity for "{}". Please read https://'
'telethon.readthedocs.io/en/latest/extra/basic/entities.html to'
' find out more details.'
.format(peer)
)
# endregion
# region Private methods
async def _get_entity_from_string(self, string):
"""
Gets a full entity from the given string, which may be a phone or
an 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:
for user in (await self(
functions.contacts.GetContactsRequest(0))).users:
if user.phone == phone:
return user
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:
if username in ('me', 'self'):
return await self.get_me()
try:
result = await self(
functions.contacts.ResolveUsernameRequest(username))
except errors.UsernameNotOccupiedError as e:
raise ValueError('No user has "{}" as username'
.format(username)) from e
for entity in itertools.chain(result.users, result.chats):
if getattr(entity, 'username', None) or '' \
.lower() == username:
return entity
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)
)
# endregion