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discord.py/discord/client.py
Rapptz 87bc79e6e3 Change certain sequences to use a special proxy type instead of list 
This is to speed up cases where someone is just querying the length
of the underlying sequence. If anything else is done to the sequence
then it is copied from the original iterator.

This change should be mostly transparent.
2022-07-19 01:58:58 -04:00

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"""
The MIT License (MIT)
Copyright (c) 2015-present Rapptz
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
"""
from __future__ import annotations
import asyncio
import datetime
import logging
import sys
import os
from typing import (
Any,
AsyncIterator,
Callable,
Coroutine,
Dict,
Generator,
List,
Optional,
Sequence,
TYPE_CHECKING,
Tuple,
Type,
TypeVar,
Union,
)
import aiohttp
from .user import User, ClientUser
from .invite import Invite
from .template import Template
from .widget import Widget
from .guild import Guild
from .emoji import Emoji
from .channel import _threaded_channel_factory, PartialMessageable
from .enums import ChannelType
from .mentions import AllowedMentions
from .errors import *
from .enums import Status
from .flags import ApplicationFlags, Intents
from .gateway import *
from .activity import ActivityTypes, BaseActivity, create_activity
from .voice_client import VoiceClient
from .http import HTTPClient
from .state import ConnectionState
from . import utils
from .utils import MISSING, time_snowflake
from .object import Object
from .backoff import ExponentialBackoff
from .webhook import Webhook
from .appinfo import AppInfo
from .ui.view import View
from .stage_instance import StageInstance
from .threads import Thread
from .sticker import GuildSticker, StandardSticker, StickerPack, _sticker_factory
if TYPE_CHECKING:
from typing_extensions import Self
from types import TracebackType
from .types.guild import Guild as GuildPayload
from .abc import SnowflakeTime, Snowflake, PrivateChannel
from .guild import GuildChannel
from .channel import DMChannel
from .message import Message
from .member import Member
from .voice_client import VoiceProtocol
# fmt: off
__all__ = (
'Client',
)
# fmt: on
Coro = TypeVar('Coro', bound=Callable[..., Coroutine[Any, Any, Any]])
_log = logging.getLogger(__name__)
class _LoopSentinel:
__slots__ = ()
def __getattr__(self, attr: str) -> None:
msg = (
'loop attribute cannot be accessed in non-async contexts. '
'Consider using either an asynchronous main function and passing it to asyncio.run or '
'using asynchronous initialisation hooks such as Client.setup_hook'
)
raise AttributeError(msg)
_loop: Any = _LoopSentinel()
def stream_supports_colour(stream: Any) -> bool:
is_a_tty = hasattr(stream, 'isatty') and stream.isatty()
if sys.platform != 'win32':
return is_a_tty
# ANSICON checks for things like ConEmu
# WT_SESSION checks if this is Windows Terminal
# VSCode built-in terminal supports colour too
return is_a_tty and ('ANSICON' in os.environ or 'WT_SESSION' in os.environ or os.environ.get('TERM_PROGRAM') == 'vscode')
class _ColourFormatter(logging.Formatter):
# ANSI codes are a bit weird to decipher if you're unfamiliar with them, so here's a refresher
# It starts off with a format like \x1b[XXXm where XXX is a semicolon separated list of commands
# The important ones here relate to colour.
# 30-37 are black, red, green, yellow, blue, magenta, cyan and white in that order
# 40-47 are the same except for the background
# 90-97 are the same but "bright" foreground
# 100-107 are the same as the bright ones but for the background.
# 1 means bold, 2 means dim, 0 means reset, and 4 means underline.
LEVEL_COLOURS = [
(logging.DEBUG, '\x1b[40;1m'),
(logging.INFO, '\x1b[34;1m'),
(logging.WARNING, '\x1b[33;1m'),
(logging.ERROR, '\x1b[31m'),
(logging.CRITICAL, '\x1b[41m'),
]
FORMATS = {
level: logging.Formatter(
f'\x1b[30;1m%(asctime)s\x1b[0m {colour}%(levelname)-8s\x1b[0m \x1b[35m%(name)s\x1b[0m %(message)s',
'%Y-%m-%d %H:%M:%S',
)
for level, colour in LEVEL_COLOURS
}
def format(self, record):
formatter = self.FORMATS.get(record.levelno)
if formatter is None:
formatter = self.FORMATS[logging.DEBUG]
# Override the traceback to always print in red
if record.exc_info:
text = formatter.formatException(record.exc_info)
record.exc_text = f'\x1b[31m{text}\x1b[0m'
output = formatter.format(record)
# Remove the cache layer
record.exc_text = None
return output
class Client:
r"""Represents a client connection that connects to Discord.
This class is used to interact with the Discord WebSocket and API.
.. container:: operations
.. describe:: async with x
Asynchronously initialises the client and automatically cleans up.
.. versionadded:: 2.0
A number of options can be passed to the :class:`Client`.
Parameters
-----------
max_messages: Optional[:class:`int`]
The maximum number of messages to store in the internal message cache.
This defaults to ``1000``. Passing in ``None`` disables the message cache.
.. versionchanged:: 1.3
Allow disabling the message cache and change the default size to ``1000``.
proxy: Optional[:class:`str`]
Proxy URL.
proxy_auth: Optional[:class:`aiohttp.BasicAuth`]
An object that represents proxy HTTP Basic Authorization.
shard_id: Optional[:class:`int`]
Integer starting at ``0`` and less than :attr:`.shard_count`.
shard_count: Optional[:class:`int`]
The total number of shards.
application_id: :class:`int`
The client's application ID.
intents: :class:`Intents`
The intents that you want to enable for the session. This is a way of
disabling and enabling certain gateway events from triggering and being sent.
.. versionadded:: 1.5
.. versionchanged:: 2.0
Parameter is now required.
member_cache_flags: :class:`MemberCacheFlags`
Allows for finer control over how the library caches members.
If not given, defaults to cache as much as possible with the
currently selected intents.
.. versionadded:: 1.5
chunk_guilds_at_startup: :class:`bool`
Indicates if :func:`.on_ready` should be delayed to chunk all guilds
at start-up if necessary. This operation is incredibly slow for large
amounts of guilds. The default is ``True`` if :attr:`Intents.members`
is ``True``.
.. versionadded:: 1.5
status: Optional[:class:`.Status`]
A status to start your presence with upon logging on to Discord.
activity: Optional[:class:`.BaseActivity`]
An activity to start your presence with upon logging on to Discord.
allowed_mentions: Optional[:class:`AllowedMentions`]
Control how the client handles mentions by default on every message sent.
.. versionadded:: 1.4
heartbeat_timeout: :class:`float`
The maximum numbers of seconds before timing out and restarting the
WebSocket in the case of not receiving a HEARTBEAT_ACK. Useful if
processing the initial packets take too long to the point of disconnecting
you. The default timeout is 60 seconds.
guild_ready_timeout: :class:`float`
The maximum number of seconds to wait for the GUILD_CREATE stream to end before
preparing the member cache and firing READY. The default timeout is 2 seconds.
.. versionadded:: 1.4
assume_unsync_clock: :class:`bool`
Whether to assume the system clock is unsynced. This applies to the ratelimit handling
code. If this is set to ``True``, the default, then the library uses the time to reset
a rate limit bucket given by Discord. If this is ``False`` then your system clock is
used to calculate how long to sleep for. If this is set to ``False`` it is recommended to
sync your system clock to Google's NTP server.
.. versionadded:: 1.3
enable_debug_events: :class:`bool`
Whether to enable events that are useful only for debugging gateway related information.
Right now this involves :func:`on_socket_raw_receive` and :func:`on_socket_raw_send`. If
this is ``False`` then those events will not be dispatched (due to performance considerations).
To enable these events, this must be set to ``True``. Defaults to ``False``.
.. versionadded:: 2.0
http_trace: :class:`aiohttp.TraceConfig`
The trace configuration to use for tracking HTTP requests the library does using ``aiohttp``.
This allows you to check requests the library is using. For more information, check the
`aiohttp documentation <https://docs.aiohttp.org/en/stable/client_advanced.html#client-tracing>`_.
.. versionadded:: 2.0
max_ratelimit_timeout: Optional[:class:`float`]
The maximum number of seconds to wait when a non-global rate limit is encountered.
If a request requires sleeping for more than the seconds passed in, then
:exc:`~discord.RateLimited` will be raised. By default, there is no timeout limit.
In order to prevent misuse and unnecessary bans, the minimum value this can be
set to is ``30.0`` seconds.
.. versionadded:: 2.0
Attributes
-----------
ws
The websocket gateway the client is currently connected to. Could be ``None``.
"""
def __init__(self, *, intents: Intents, **options: Any) -> None:
self.loop: asyncio.AbstractEventLoop = _loop
# self.ws is set in the connect method
self.ws: DiscordWebSocket = None # type: ignore
self._listeners: Dict[str, List[Tuple[asyncio.Future, Callable[..., bool]]]] = {}
self.shard_id: Optional[int] = options.get('shard_id')
self.shard_count: Optional[int] = options.get('shard_count')
proxy: Optional[str] = options.pop('proxy', None)
proxy_auth: Optional[aiohttp.BasicAuth] = options.pop('proxy_auth', None)
unsync_clock: bool = options.pop('assume_unsync_clock', True)
http_trace: Optional[aiohttp.TraceConfig] = options.pop('http_trace', None)
max_ratelimit_timeout: Optional[float] = options.pop('max_ratelimit_timeout', None)
self.http: HTTPClient = HTTPClient(
self.loop,
proxy=proxy,
proxy_auth=proxy_auth,
unsync_clock=unsync_clock,
http_trace=http_trace,
max_ratelimit_timeout=max_ratelimit_timeout,
)
self._handlers: Dict[str, Callable[..., None]] = {
'ready': self._handle_ready,
}
self._hooks: Dict[str, Callable[..., Coroutine[Any, Any, Any]]] = {
'before_identify': self._call_before_identify_hook,
}
self._enable_debug_events: bool = options.pop('enable_debug_events', False)
self._connection: ConnectionState = self._get_state(intents=intents, **options)
self._connection.shard_count = self.shard_count
self._closed: bool = False
self._ready: asyncio.Event = MISSING
self._application: Optional[AppInfo] = None
self._connection._get_websocket = self._get_websocket
self._connection._get_client = lambda: self
if VoiceClient.warn_nacl:
VoiceClient.warn_nacl = False
_log.warning("PyNaCl is not installed, voice will NOT be supported")
async def __aenter__(self) -> Self:
await self._async_setup_hook()
return self
async def __aexit__(
self,
exc_type: Optional[Type[BaseException]],
exc_value: Optional[BaseException],
traceback: Optional[TracebackType],
) -> None:
if not self.is_closed():
await self.close()
# internals
def _get_websocket(self, guild_id: Optional[int] = None, *, shard_id: Optional[int] = None) -> DiscordWebSocket:
return self.ws
def _get_state(self, **options: Any) -> ConnectionState:
return ConnectionState(dispatch=self.dispatch, handlers=self._handlers, hooks=self._hooks, http=self.http, **options)
def _handle_ready(self) -> None:
self._ready.set()
@property
def latency(self) -> float:
""":class:`float`: Measures latency between a HEARTBEAT and a HEARTBEAT_ACK in seconds.
This could be referred to as the Discord WebSocket protocol latency.
"""
ws = self.ws
return float('nan') if not ws else ws.latency
def is_ws_ratelimited(self) -> bool:
""":class:`bool`: Whether the websocket is currently rate limited.
This can be useful to know when deciding whether you should query members
using HTTP or via the gateway.
.. versionadded:: 1.6
"""
if self.ws:
return self.ws.is_ratelimited()
return False
@property
def user(self) -> Optional[ClientUser]:
"""Optional[:class:`.ClientUser`]: Represents the connected client. ``None`` if not logged in."""
return self._connection.user
@property
def guilds(self) -> Sequence[Guild]:
"""Sequence[:class:`.Guild`]: The guilds that the connected client is a member of."""
return self._connection.guilds
@property
def emojis(self) -> Sequence[Emoji]:
"""Sequence[:class:`.Emoji`]: The emojis that the connected client has."""
return self._connection.emojis
@property
def stickers(self) -> Sequence[GuildSticker]:
"""Sequence[:class:`.GuildSticker`]: The stickers that the connected client has.
.. versionadded:: 2.0
"""
return self._connection.stickers
@property
def cached_messages(self) -> Sequence[Message]:
"""Sequence[:class:`.Message`]: Read-only list of messages the connected client has cached.
.. versionadded:: 1.1
"""
return utils.SequenceProxy(self._connection._messages or [])
@property
def private_channels(self) -> Sequence[PrivateChannel]:
"""Sequence[:class:`.abc.PrivateChannel`]: The private channels that the connected client is participating on.
.. note::
This returns only up to 128 most recent private channels due to an internal working
on how Discord deals with private channels.
"""
return self._connection.private_channels
@property
def voice_clients(self) -> List[VoiceProtocol]:
"""List[:class:`.VoiceProtocol`]: Represents a list of voice connections.
These are usually :class:`.VoiceClient` instances.
"""
return self._connection.voice_clients
@property
def application_id(self) -> Optional[int]:
"""Optional[:class:`int`]: The client's application ID.
If this is not passed via ``__init__`` then this is retrieved
through the gateway when an event contains the data or after a call
to :meth:`~discord.Client.login`. Usually after :func:`~discord.on_connect`
is called.
.. versionadded:: 2.0
"""
return self._connection.application_id
@property
def application_flags(self) -> ApplicationFlags:
""":class:`~discord.ApplicationFlags`: The client's application flags.
.. versionadded:: 2.0
"""
return self._connection.application_flags
@property
def application(self) -> Optional[AppInfo]:
"""Optional[:class:`~discord.AppInfo`]: The client's application info.
This is retrieved on :meth:`~discord.Client.login` and is not updated
afterwards. This allows populating the application_id without requiring a
gateway connection.
This is ``None`` if accessed before :meth:`~discord.Client.login` is called.
.. seealso:: The :meth:`~discord.Client.application_info` API call
.. versionadded:: 2.0
"""
return self._application
def is_ready(self) -> bool:
""":class:`bool`: Specifies if the client's internal cache is ready for use."""
return self._ready is not MISSING and self._ready.is_set()
async def _run_event(
self,
coro: Callable[..., Coroutine[Any, Any, Any]],
event_name: str,
*args: Any,
**kwargs: Any,
) -> None:
try:
await coro(*args, **kwargs)
except asyncio.CancelledError:
pass
except Exception:
try:
await self.on_error(event_name, *args, **kwargs)
except asyncio.CancelledError:
pass
def _schedule_event(
self,
coro: Callable[..., Coroutine[Any, Any, Any]],
event_name: str,
*args: Any,
**kwargs: Any,
) -> asyncio.Task:
wrapped = self._run_event(coro, event_name, *args, **kwargs)
# Schedules the task
return self.loop.create_task(wrapped, name=f'discord.py: {event_name}')
def dispatch(self, event: str, /, *args: Any, **kwargs: Any) -> None:
_log.debug('Dispatching event %s', event)
method = 'on_' + event
listeners = self._listeners.get(event)
if listeners:
removed = []
for i, (future, condition) in enumerate(listeners):
if future.cancelled():
removed.append(i)
continue
try:
result = condition(*args)
except Exception as exc:
future.set_exception(exc)
removed.append(i)
else:
if result:
if len(args) == 0:
future.set_result(None)
elif len(args) == 1:
future.set_result(args[0])
else:
future.set_result(args)
removed.append(i)
if len(removed) == len(listeners):
self._listeners.pop(event)
else:
for idx in reversed(removed):
del listeners[idx]
try:
coro = getattr(self, method)
except AttributeError:
pass
else:
self._schedule_event(coro, method, *args, **kwargs)
async def on_error(self, event_method: str, /, *args: Any, **kwargs: Any) -> None:
"""|coro|
The default error handler provided by the client.
By default this logs to the library logger however it could be
overridden to have a different implementation.
Check :func:`~discord.on_error` for more details.
.. versionchanged:: 2.0
``event_method`` parameter is now positional-only
and instead of writing to ``sys.stderr`` it logs instead.
"""
_log.exception('Ignoring exception in %s', event_method)
# hooks
async def _call_before_identify_hook(self, shard_id: Optional[int], *, initial: bool = False) -> None:
# This hook is an internal hook that actually calls the public one.
# It allows the library to have its own hook without stepping on the
# toes of those who need to override their own hook.
await self.before_identify_hook(shard_id, initial=initial)
async def before_identify_hook(self, shard_id: Optional[int], *, initial: bool = False) -> None:
"""|coro|
A hook that is called before IDENTIFYing a session. This is useful
if you wish to have more control over the synchronization of multiple
IDENTIFYing clients.
The default implementation sleeps for 5 seconds.
.. versionadded:: 1.4
Parameters
------------
shard_id: :class:`int`
The shard ID that requested being IDENTIFY'd
initial: :class:`bool`
Whether this IDENTIFY is the first initial IDENTIFY.
"""
if not initial:
await asyncio.sleep(5.0)
async def _async_setup_hook(self) -> None:
# Called whenever the client needs to initialise asyncio objects with a running loop
loop = asyncio.get_running_loop()
self.loop = loop
self.http.loop = loop
self._connection.loop = loop
self._ready = asyncio.Event()
async def setup_hook(self) -> None:
"""|coro|
A coroutine to be called to setup the bot, by default this is blank.
To perform asynchronous setup after the bot is logged in but before
it has connected to the Websocket, overwrite this coroutine.
This is only called once, in :meth:`login`, and will be called before
any events are dispatched, making it a better solution than doing such
setup in the :func:`~discord.on_ready` event.
.. warning::
Since this is called *before* the websocket connection is made therefore
anything that waits for the websocket will deadlock, this includes things
like :meth:`wait_for` and :meth:`wait_until_ready`.
.. versionadded:: 2.0
"""
pass
# login state management
async def login(self, token: str) -> None:
"""|coro|
Logs in the client with the specified credentials and
calls the :meth:`setup_hook`.
Parameters
-----------
token: :class:`str`
The authentication token. Do not prefix this token with
anything as the library will do it for you.
Raises
------
LoginFailure
The wrong credentials are passed.
HTTPException
An unknown HTTP related error occurred,
usually when it isn't 200 or the known incorrect credentials
passing status code.
"""
_log.info('logging in using static token')
if self.loop is _loop:
await self._async_setup_hook()
data = await self.http.static_login(token.strip())
self._connection.user = ClientUser(state=self._connection, data=data)
self._application = await self.application_info()
if self._connection.application_id is None:
self._connection.application_id = self._application.id
if not self._connection.application_flags:
self._connection.application_flags = self._application.flags
await self.setup_hook()
async def connect(self, *, reconnect: bool = True) -> None:
"""|coro|
Creates a websocket connection and lets the websocket listen
to messages from Discord. This is a loop that runs the entire
event system and miscellaneous aspects of the library. Control
is not resumed until the WebSocket connection is terminated.
Parameters
-----------
reconnect: :class:`bool`
If we should attempt reconnecting, either due to internet
failure or a specific failure on Discord's part. Certain
disconnects that lead to bad state will not be handled (such as
invalid sharding payloads or bad tokens).
Raises
-------
GatewayNotFound
If the gateway to connect to Discord is not found. Usually if this
is thrown then there is a Discord API outage.
ConnectionClosed
The websocket connection has been terminated.
"""
backoff = ExponentialBackoff()
ws_params = {
'initial': True,
'shard_id': self.shard_id,
}
while not self.is_closed():
try:
coro = DiscordWebSocket.from_client(self, **ws_params)
self.ws = await asyncio.wait_for(coro, timeout=60.0)
ws_params['initial'] = False
while True:
await self.ws.poll_event()
except ReconnectWebSocket as e:
_log.info('Got a request to %s the websocket.', e.op)
self.dispatch('disconnect')
ws_params.update(sequence=self.ws.sequence, resume=e.resume, session=self.ws.session_id)
continue
except (
OSError,
HTTPException,
GatewayNotFound,
ConnectionClosed,
aiohttp.ClientError,
asyncio.TimeoutError,
) as exc:
self.dispatch('disconnect')
if not reconnect:
await self.close()
if isinstance(exc, ConnectionClosed) and exc.code == 1000:
# clean close, don't re-raise this
return
raise
if self.is_closed():
return
# If we get connection reset by peer then try to RESUME
if isinstance(exc, OSError) and exc.errno in (54, 10054):
ws_params.update(sequence=self.ws.sequence, initial=False, resume=True, session=self.ws.session_id)
continue
# We should only get this when an unhandled close code happens,
# such as a clean disconnect (1000) or a bad state (bad token, no sharding, etc)
# sometimes, discord sends us 1000 for unknown reasons so we should reconnect
# regardless and rely on is_closed instead
if isinstance(exc, ConnectionClosed):
if exc.code == 4014:
raise PrivilegedIntentsRequired(exc.shard_id) from None
if exc.code != 1000:
await self.close()
raise
retry = backoff.delay()
_log.exception("Attempting a reconnect in %.2fs", retry)
await asyncio.sleep(retry)
# Always try to RESUME the connection
# If the connection is not RESUME-able then the gateway will invalidate the session.
# This is apparently what the official Discord client does.
ws_params.update(sequence=self.ws.sequence, resume=True, session=self.ws.session_id)
async def close(self) -> None:
"""|coro|
Closes the connection to Discord.
"""
if self._closed:
return
self._closed = True
for voice in self.voice_clients:
try:
await voice.disconnect(force=True)
except Exception:
# if an error happens during disconnects, disregard it.
pass
if self.ws is not None and self.ws.open:
await self.ws.close(code=1000)
await self.http.close()
if self._ready is not MISSING:
self._ready.clear()
self.loop = MISSING
def clear(self) -> None:
"""Clears the internal state of the bot.
After this, the bot can be considered "re-opened", i.e. :meth:`is_closed`
and :meth:`is_ready` both return ``False`` along with the bot's internal
cache cleared.
"""
self._closed = False
self._ready.clear()
self._connection.clear()
self.http.clear()
async def start(self, token: str, *, reconnect: bool = True) -> None:
"""|coro|
A shorthand coroutine for :meth:`login` + :meth:`connect`.
Parameters
-----------
token: :class:`str`
The authentication token. Do not prefix this token with
anything as the library will do it for you.
reconnect: :class:`bool`
If we should attempt reconnecting, either due to internet
failure or a specific failure on Discord's part. Certain
disconnects that lead to bad state will not be handled (such as
invalid sharding payloads or bad tokens).
Raises
-------
TypeError
An unexpected keyword argument was received.
"""
await self.login(token)
await self.connect(reconnect=reconnect)
def run(
self,
token: str,
*,
reconnect: bool = True,
log_handler: Optional[logging.Handler] = MISSING,
log_formatter: logging.Formatter = MISSING,
log_level: int = MISSING,
) -> None:
"""A blocking call that abstracts away the event loop
initialisation from you.
If you want more control over the event loop then this
function should not be used. Use :meth:`start` coroutine
or :meth:`connect` + :meth:`login`.
This function also sets up the logging library to make it easier
for beginners to know what is going on with the library. For more
advanced users, this can be disabled by passing ``None`` to
the ``log_handler`` parameter.
.. warning::
This function must be the last function to call due to the fact that it
is blocking. That means that registration of events or anything being
called after this function call will not execute until it returns.
Parameters
-----------
token: :class:`str`
The authentication token. Do not prefix this token with
anything as the library will do it for you.
reconnect: :class:`bool`
If we should attempt reconnecting, either due to internet
failure or a specific failure on Discord's part. Certain
disconnects that lead to bad state will not be handled (such as
invalid sharding payloads or bad tokens).
log_handler: Optional[:class:`logging.Handler`]
The log handler to use for the library's logger. If this is ``None``
then the library will not set up anything logging related. Logging
will still work if ``None`` is passed, though it is your responsibility
to set it up.
The default log handler if not provided is :class:`logging.StreamHandler`.
.. versionadded:: 2.0
log_formatter: :class:`logging.Formatter`
The formatter to use with the given log handler. If not provided then it
defaults to a colour based logging formatter (if available).
.. versionadded:: 2.0
log_level: :class:`int`
The default log level for the library's logger. This is only applied if the
``log_handler`` parameter is not ``None``. Defaults to ``logging.INFO``.
Note that the *root* logger will always be set to ``logging.INFO`` and this
only controls the library's log level. To control the root logger's level,
you can use ``logging.getLogger().setLevel(level)``.
.. versionadded:: 2.0
"""
async def runner():
async with self:
await self.start(token, reconnect=reconnect)
if log_level is MISSING:
log_level = logging.INFO
if log_handler is MISSING:
log_handler = logging.StreamHandler()
if log_formatter is MISSING:
if isinstance(log_handler, logging.StreamHandler) and stream_supports_colour(log_handler.stream):
log_formatter = _ColourFormatter()
else:
dt_fmt = '%Y-%m-%d %H:%M:%S'
log_formatter = logging.Formatter('[{asctime}] [{levelname:<8}] {name}: {message}', dt_fmt, style='{')
logger = None
if log_handler is not None:
library, _, _ = __name__.partition('.')
logger = logging.getLogger(library)
log_handler.setFormatter(log_formatter)
logger.setLevel(log_level)
logger.addHandler(log_handler)
try:
asyncio.run(runner())
except KeyboardInterrupt:
# nothing to do here
# `asyncio.run` handles the loop cleanup
# and `self.start` closes all sockets and the HTTPClient instance.
return
finally:
if log_handler is not None and logger is not None:
logger.removeHandler(log_handler)
# properties
def is_closed(self) -> bool:
""":class:`bool`: Indicates if the websocket connection is closed."""
return self._closed
@property
def activity(self) -> Optional[ActivityTypes]:
"""Optional[:class:`.BaseActivity`]: The activity being used upon
logging in.
"""
return create_activity(self._connection._activity, self._connection)
@activity.setter
def activity(self, value: Optional[ActivityTypes]) -> None:
if value is None:
self._connection._activity = None
elif isinstance(value, BaseActivity):
# ConnectionState._activity is typehinted as ActivityPayload, we're passing Dict[str, Any]
self._connection._activity = value.to_dict() # type: ignore
else:
raise TypeError('activity must derive from BaseActivity.')
@property
def status(self) -> Status:
""":class:`.Status`:
The status being used upon logging on to Discord.
.. versionadded: 2.0
"""
if self._connection._status in set(state.value for state in Status):
return Status(self._connection._status)
return Status.online
@status.setter
def status(self, value: Status) -> None:
if value is Status.offline:
self._connection._status = 'invisible'
elif isinstance(value, Status):
self._connection._status = str(value)
else:
raise TypeError('status must derive from Status.')
@property
def allowed_mentions(self) -> Optional[AllowedMentions]:
"""Optional[:class:`~discord.AllowedMentions`]: The allowed mention configuration.
.. versionadded:: 1.4
"""
return self._connection.allowed_mentions
@allowed_mentions.setter
def allowed_mentions(self, value: Optional[AllowedMentions]) -> None:
if value is None or isinstance(value, AllowedMentions):
self._connection.allowed_mentions = value
else:
raise TypeError(f'allowed_mentions must be AllowedMentions not {value.__class__!r}')
@property
def intents(self) -> Intents:
""":class:`~discord.Intents`: The intents configured for this connection.
.. versionadded:: 1.5
"""
return self._connection.intents
# helpers/getters
@property
def users(self) -> List[User]:
"""List[:class:`~discord.User`]: Returns a list of all the users the bot can see."""
return list(self._connection._users.values())
def get_channel(self, id: int, /) -> Optional[Union[GuildChannel, Thread, PrivateChannel]]:
"""Returns a channel or thread with the given ID.
.. versionchanged:: 2.0
``id`` parameter is now positional-only.
Parameters
-----------
id: :class:`int`
The ID to search for.
Returns
--------
Optional[Union[:class:`.abc.GuildChannel`, :class:`.Thread`, :class:`.abc.PrivateChannel`]]
The returned channel or ``None`` if not found.
"""
return self._connection.get_channel(id) # type: ignore # The cache contains all channel types
def get_partial_messageable(
self, id: int, *, guild_id: Optional[int] = None, type: Optional[ChannelType] = None
) -> PartialMessageable:
"""Returns a partial messageable with the given channel ID.
This is useful if you have a channel_id but don't want to do an API call
to send messages to it.
.. versionadded:: 2.0
Parameters
-----------
id: :class:`int`
The channel ID to create a partial messageable for.
guild_id: Optional[:class:`int`]
The optional guild ID to create a partial messageable for.
This is not required to actually send messages, but it does allow the
:meth:`~discord.PartialMessageable.jump_url` and
:attr:`~discord.PartialMessageable.guild` properties to function properly.
type: Optional[:class:`.ChannelType`]
The underlying channel type for the partial messageable.
Returns
--------
:class:`.PartialMessageable`
The partial messageable
"""
return PartialMessageable(state=self._connection, id=id, guild_id=guild_id, type=type)
def get_stage_instance(self, id: int, /) -> Optional[StageInstance]:
"""Returns a stage instance with the given stage channel ID.
.. versionadded:: 2.0
Parameters
-----------
id: :class:`int`
The ID to search for.
Returns
--------
Optional[:class:`.StageInstance`]
The stage instance or ``None`` if not found.
"""
from .channel import StageChannel
channel = self._connection.get_channel(id)
if isinstance(channel, StageChannel):
return channel.instance
def get_guild(self, id: int, /) -> Optional[Guild]:
"""Returns a guild with the given ID.
.. versionchanged:: 2.0
``id`` parameter is now positional-only.
Parameters
-----------
id: :class:`int`
The ID to search for.
Returns
--------
Optional[:class:`.Guild`]
The guild or ``None`` if not found.
"""
return self._connection._get_guild(id)
def get_user(self, id: int, /) -> Optional[User]:
"""Returns a user with the given ID.
.. versionchanged:: 2.0
``id`` parameter is now positional-only.
Parameters
-----------
id: :class:`int`
The ID to search for.
Returns
--------
Optional[:class:`~discord.User`]
The user or ``None`` if not found.
"""
return self._connection.get_user(id)
def get_emoji(self, id: int, /) -> Optional[Emoji]:
"""Returns an emoji with the given ID.
.. versionchanged:: 2.0
``id`` parameter is now positional-only.
Parameters
-----------
id: :class:`int`
The ID to search for.
Returns
--------
Optional[:class:`.Emoji`]
The custom emoji or ``None`` if not found.
"""
return self._connection.get_emoji(id)
def get_sticker(self, id: int, /) -> Optional[GuildSticker]:
"""Returns a guild sticker with the given ID.
.. versionadded:: 2.0
.. note::
To retrieve standard stickers, use :meth:`.fetch_sticker`.
or :meth:`.fetch_premium_sticker_packs`.
Returns
--------
Optional[:class:`.GuildSticker`]
The sticker or ``None`` if not found.
"""
return self._connection.get_sticker(id)
def get_all_channels(self) -> Generator[GuildChannel, None, None]:
"""A generator that retrieves every :class:`.abc.GuildChannel` the client can 'access'.
This is equivalent to: ::
for guild in client.guilds:
for channel in guild.channels:
yield channel
.. note::
Just because you receive a :class:`.abc.GuildChannel` does not mean that
you can communicate in said channel. :meth:`.abc.GuildChannel.permissions_for` should
be used for that.
Yields
------
:class:`.abc.GuildChannel`
A channel the client can 'access'.
"""
for guild in self.guilds:
yield from guild.channels
def get_all_members(self) -> Generator[Member, None, None]:
"""Returns a generator with every :class:`.Member` the client can see.
This is equivalent to: ::
for guild in client.guilds:
for member in guild.members:
yield member
Yields
------
:class:`.Member`
A member the client can see.
"""
for guild in self.guilds:
yield from guild.members
# listeners/waiters
async def wait_until_ready(self) -> None:
"""|coro|
Waits until the client's internal cache is all ready.
.. warning::
Calling this inside :meth:`setup_hook` can lead to a deadlock.
"""
if self._ready is not MISSING:
await self._ready.wait()
else:
raise RuntimeError(
'Client has not been properly initialised. '
'Please use the login method or asynchronous context manager before calling this method'
)
def wait_for(
self,
event: str,
/,
*,
check: Optional[Callable[..., bool]] = None,
timeout: Optional[float] = None,
) -> Any:
"""|coro|
Waits for a WebSocket event to be dispatched.
This could be used to wait for a user to reply to a message,
or to react to a message, or to edit a message in a self-contained
way.
The ``timeout`` parameter is passed onto :func:`asyncio.wait_for`. By default,
it does not timeout. Note that this does propagate the
:exc:`asyncio.TimeoutError` for you in case of timeout and is provided for
ease of use.
In case the event returns multiple arguments, a :class:`tuple` containing those
arguments is returned instead. Please check the
:ref:`documentation <discord-api-events>` for a list of events and their
parameters.
This function returns the **first event that meets the requirements**.
Examples
---------
Waiting for a user reply: ::
@client.event
async def on_message(message):
if message.content.startswith('$greet'):
channel = message.channel
await channel.send('Say hello!')
def check(m):
return m.content == 'hello' and m.channel == channel
msg = await client.wait_for('message', check=check)
await channel.send(f'Hello {msg.author}!')
Waiting for a thumbs up reaction from the message author: ::
@client.event
async def on_message(message):
if message.content.startswith('$thumb'):
channel = message.channel
await channel.send('Send me that \N{THUMBS UP SIGN} reaction, mate')
def check(reaction, user):
return user == message.author and str(reaction.emoji) == '\N{THUMBS UP SIGN}'
try:
reaction, user = await client.wait_for('reaction_add', timeout=60.0, check=check)
except asyncio.TimeoutError:
await channel.send('\N{THUMBS DOWN SIGN}')
else:
await channel.send('\N{THUMBS UP SIGN}')
.. versionchanged:: 2.0
``event`` parameter is now positional-only.
Parameters
------------
event: :class:`str`
The event name, similar to the :ref:`event reference <discord-api-events>`,
but without the ``on_`` prefix, to wait for.
check: Optional[Callable[..., :class:`bool`]]
A predicate to check what to wait for. The arguments must meet the
parameters of the event being waited for.
timeout: Optional[:class:`float`]
The number of seconds to wait before timing out and raising
:exc:`asyncio.TimeoutError`.
Raises
-------
asyncio.TimeoutError
If a timeout is provided and it was reached.
Returns
--------
Any
Returns no arguments, a single argument, or a :class:`tuple` of multiple
arguments that mirrors the parameters passed in the
:ref:`event reference <discord-api-events>`.
"""
future = self.loop.create_future()
if check is None:
def _check(*args):
return True
check = _check
ev = event.lower()
try:
listeners = self._listeners[ev]
except KeyError:
listeners = []
self._listeners[ev] = listeners
listeners.append((future, check))
return asyncio.wait_for(future, timeout)
# event registration
def event(self, coro: Coro, /) -> Coro:
"""A decorator that registers an event to listen to.
You can find more info about the events on the :ref:`documentation below <discord-api-events>`.
The events must be a :ref:`coroutine <coroutine>`, if not, :exc:`TypeError` is raised.
Example
---------
.. code-block:: python3
@client.event
async def on_ready():
print('Ready!')
.. versionchanged:: 2.0
``coro`` parameter is now positional-only.
Raises
--------
TypeError
The coroutine passed is not actually a coroutine.
"""
if not asyncio.iscoroutinefunction(coro):
raise TypeError('event registered must be a coroutine function')
setattr(self, coro.__name__, coro)
_log.debug('%s has successfully been registered as an event', coro.__name__)
return coro
async def change_presence(
self,
*,
activity: Optional[BaseActivity] = None,
status: Optional[Status] = None,
) -> None:
"""|coro|
Changes the client's presence.
Example
---------
.. code-block:: python3
game = discord.Game("with the API")
await client.change_presence(status=discord.Status.idle, activity=game)
.. versionchanged:: 2.0
Removed the ``afk`` keyword-only parameter.
.. versionchanged:: 2.0
This function will now raise :exc:`TypeError` instead of
``InvalidArgument``.
Parameters
----------
activity: Optional[:class:`.BaseActivity`]
The activity being done. ``None`` if no currently active activity is done.
status: Optional[:class:`.Status`]
Indicates what status to change to. If ``None``, then
:attr:`.Status.online` is used.
Raises
------
TypeError
If the ``activity`` parameter is not the proper type.
"""
if status is None:
status_str = 'online'
status = Status.online
elif status is Status.offline:
status_str = 'invisible'
status = Status.offline
else:
status_str = str(status)
await self.ws.change_presence(activity=activity, status=status_str)
for guild in self._connection.guilds:
me = guild.me
if me is None:
continue
if activity is not None:
me.activities = (activity,) # type: ignore # Type checker does not understand the downcast here
else:
me.activities = ()
me.status = status
# Guild stuff
async def fetch_guilds(
self,
*,
limit: Optional[int] = 200,
before: Optional[SnowflakeTime] = None,
after: Optional[SnowflakeTime] = None,
) -> AsyncIterator[Guild]:
"""Retrieves an :term:`asynchronous iterator` that enables receiving your guilds.
.. note::
Using this, you will only receive :attr:`.Guild.owner`, :attr:`.Guild.icon`,
:attr:`.Guild.id`, and :attr:`.Guild.name` per :class:`.Guild`.
.. note::
This method is an API call. For general usage, consider :attr:`guilds` instead.
Examples
---------
Usage ::
async for guild in client.fetch_guilds(limit=150):
print(guild.name)
Flattening into a list ::
guilds = [guild async for guild in client.fetch_guilds(limit=150)]
# guilds is now a list of Guild...
All parameters are optional.
Parameters
-----------
limit: Optional[:class:`int`]
The number of guilds to retrieve.
If ``None``, it retrieves every guild you have access to. Note, however,
that this would make it a slow operation.
Defaults to ``200``.
.. versionchanged:: 2.0
The default has been changed to 200.
before: Union[:class:`.abc.Snowflake`, :class:`datetime.datetime`]
Retrieves guilds before this date or object.
If a datetime is provided, it is recommended to use a UTC aware datetime.
If the datetime is naive, it is assumed to be local time.
after: Union[:class:`.abc.Snowflake`, :class:`datetime.datetime`]
Retrieve guilds after this date or object.
If a datetime is provided, it is recommended to use a UTC aware datetime.
If the datetime is naive, it is assumed to be local time.
Raises
------
HTTPException
Getting the guilds failed.
Yields
--------
:class:`.Guild`
The guild with the guild data parsed.
"""
async def _before_strategy(retrieve, before, limit):
before_id = before.id if before else None
data = await self.http.get_guilds(retrieve, before=before_id)
if data:
if limit is not None:
limit -= len(data)
before = Object(id=int(data[0]['id']))
return data, before, limit
async def _after_strategy(retrieve, after, limit):
after_id = after.id if after else None
data = await self.http.get_guilds(retrieve, after=after_id)
if data:
if limit is not None:
limit -= len(data)
after = Object(id=int(data[-1]['id']))
return data, after, limit
if isinstance(before, datetime.datetime):
before = Object(id=time_snowflake(before, high=False))
if isinstance(after, datetime.datetime):
after = Object(id=time_snowflake(after, high=True))
predicate: Optional[Callable[[GuildPayload], bool]] = None
strategy, state = _after_strategy, after
if before:
strategy, state = _before_strategy, before
if before and after:
predicate = lambda m: int(m['id']) > after.id
while True:
retrieve = min(200 if limit is None else limit, 200)
if retrieve < 1:
return
data, state, limit = await strategy(retrieve, state, limit)
# Terminate loop on next iteration; there's no data left after this
if len(data) < 200:
limit = 0
if predicate:
data = filter(predicate, data)
for raw_guild in data:
yield Guild(state=self._connection, data=raw_guild)
async def fetch_template(self, code: Union[Template, str]) -> Template:
"""|coro|
Gets a :class:`.Template` from a discord.new URL or code.
Parameters
-----------
code: Union[:class:`.Template`, :class:`str`]
The Discord Template Code or URL (must be a discord.new URL).
Raises
-------
NotFound
The template is invalid.
HTTPException
Getting the template failed.
Returns
--------
:class:`.Template`
The template from the URL/code.
"""
code = utils.resolve_template(code)
data = await self.http.get_template(code)
return Template(data=data, state=self._connection)
async def fetch_guild(self, guild_id: int, /, *, with_counts: bool = True) -> Guild:
"""|coro|
Retrieves a :class:`.Guild` from an ID.
.. note::
Using this, you will **not** receive :attr:`.Guild.channels`, :attr:`.Guild.members`,
:attr:`.Member.activity` and :attr:`.Member.voice` per :class:`.Member`.
.. note::
This method is an API call. For general usage, consider :meth:`get_guild` instead.
.. versionchanged:: 2.0
``guild_id`` parameter is now positional-only.
Parameters
-----------
guild_id: :class:`int`
The guild's ID to fetch from.
with_counts: :class:`bool`
Whether to include count information in the guild. This fills the
:attr:`.Guild.approximate_member_count` and :attr:`.Guild.approximate_presence_count`
attributes without needing any privileged intents. Defaults to ``True``.
.. versionadded:: 2.0
Raises
------
Forbidden
You do not have access to the guild.
HTTPException
Getting the guild failed.
Returns
--------
:class:`.Guild`
The guild from the ID.
"""
data = await self.http.get_guild(guild_id, with_counts=with_counts)
return Guild(data=data, state=self._connection)
async def create_guild(
self,
*,
name: str,
icon: bytes = MISSING,
code: str = MISSING,
) -> Guild:
"""|coro|
Creates a :class:`.Guild`.
Bot accounts in more than 10 guilds are not allowed to create guilds.
.. versionchanged:: 2.0
``name`` and ``icon`` parameters are now keyword-only. The ``region`` parameter has been removed.
.. versionchanged:: 2.0
This function will now raise :exc:`ValueError` instead of
``InvalidArgument``.
Parameters
----------
name: :class:`str`
The name of the guild.
icon: Optional[:class:`bytes`]
The :term:`py:bytes-like object` representing the icon. See :meth:`.ClientUser.edit`
for more details on what is expected.
code: :class:`str`
The code for a template to create the guild with.
.. versionadded:: 1.4
Raises
------
HTTPException
Guild creation failed.
ValueError
Invalid icon image format given. Must be PNG or JPG.
Returns
-------
:class:`.Guild`
The guild created. This is not the same guild that is
added to cache.
"""
if icon is not MISSING:
icon_base64 = utils._bytes_to_base64_data(icon)
else:
icon_base64 = None
if code:
data = await self.http.create_from_template(code, name, icon_base64)
else:
data = await self.http.create_guild(name, icon_base64)
return Guild(data=data, state=self._connection)
async def fetch_stage_instance(self, channel_id: int, /) -> StageInstance:
"""|coro|
Gets a :class:`.StageInstance` for a stage channel id.
.. versionadded:: 2.0
Parameters
-----------
channel_id: :class:`int`
The stage channel ID.
Raises
-------
NotFound
The stage instance or channel could not be found.
HTTPException
Getting the stage instance failed.
Returns
--------
:class:`.StageInstance`
The stage instance from the stage channel ID.
"""
data = await self.http.get_stage_instance(channel_id)
guild = self.get_guild(int(data['guild_id']))
# Guild can technically be None here but this is being explicitly silenced right now.
return StageInstance(guild=guild, state=self._connection, data=data) # type: ignore
# Invite management
async def fetch_invite(
self,
url: Union[Invite, str],
*,
with_counts: bool = True,
with_expiration: bool = True,
scheduled_event_id: Optional[int] = None,
) -> Invite:
"""|coro|
Gets an :class:`.Invite` from a discord.gg URL or ID.
.. note::
If the invite is for a guild you have not joined, the guild and channel
attributes of the returned :class:`.Invite` will be :class:`.PartialInviteGuild` and
:class:`.PartialInviteChannel` respectively.
Parameters
-----------
url: Union[:class:`.Invite`, :class:`str`]
The Discord invite ID or URL (must be a discord.gg URL).
with_counts: :class:`bool`
Whether to include count information in the invite. This fills the
:attr:`.Invite.approximate_member_count` and :attr:`.Invite.approximate_presence_count`
fields.
with_expiration: :class:`bool`
Whether to include the expiration date of the invite. This fills the
:attr:`.Invite.expires_at` field.
.. versionadded:: 2.0
scheduled_event_id: Optional[:class:`int`]
The ID of the scheduled event this invite is for.
.. note::
It is not possible to provide a url that contains an ``event_id`` parameter
when using this parameter.
.. versionadded:: 2.0
Raises
-------
ValueError
The url contains an ``event_id``, but ``scheduled_event_id`` has also been provided.
NotFound
The invite has expired or is invalid.
HTTPException
Getting the invite failed.
Returns
--------
:class:`.Invite`
The invite from the URL/ID.
"""
resolved = utils.resolve_invite(url)
if scheduled_event_id and resolved.event:
raise ValueError('Cannot specify scheduled_event_id and contain an event_id in the url.')
scheduled_event_id = scheduled_event_id or resolved.event
data = await self.http.get_invite(
resolved.code,
with_counts=with_counts,
with_expiration=with_expiration,
guild_scheduled_event_id=scheduled_event_id,
)
return Invite.from_incomplete(state=self._connection, data=data)
async def delete_invite(self, invite: Union[Invite, str], /) -> None:
"""|coro|
Revokes an :class:`.Invite`, URL, or ID to an invite.
You must have the :attr:`~.Permissions.manage_channels` permission in
the associated guild to do this.
.. versionchanged:: 2.0
``invite`` parameter is now positional-only.
Parameters
----------
invite: Union[:class:`.Invite`, :class:`str`]
The invite to revoke.
Raises
-------
Forbidden
You do not have permissions to revoke invites.
NotFound
The invite is invalid or expired.
HTTPException
Revoking the invite failed.
"""
resolved = utils.resolve_invite(invite)
await self.http.delete_invite(resolved.code)
# Miscellaneous stuff
async def fetch_widget(self, guild_id: int, /) -> Widget:
"""|coro|
Gets a :class:`.Widget` from a guild ID.
.. note::
The guild must have the widget enabled to get this information.
.. versionchanged:: 2.0
``guild_id`` parameter is now positional-only.
Parameters
-----------
guild_id: :class:`int`
The ID of the guild.
Raises
-------
Forbidden
The widget for this guild is disabled.
HTTPException
Retrieving the widget failed.
Returns
--------
:class:`.Widget`
The guild's widget.
"""
data = await self.http.get_widget(guild_id)
return Widget(state=self._connection, data=data)
async def application_info(self) -> AppInfo:
"""|coro|
Retrieves the bot's application information.
Raises
-------
HTTPException
Retrieving the information failed somehow.
Returns
--------
:class:`.AppInfo`
The bot's application information.
"""
data = await self.http.application_info()
if 'rpc_origins' not in data:
data['rpc_origins'] = None
return AppInfo(self._connection, data)
async def fetch_user(self, user_id: int, /) -> User:
"""|coro|
Retrieves a :class:`~discord.User` based on their ID.
You do not have to share any guilds with the user to get this information,
however many operations do require that you do.
.. note::
This method is an API call. If you have :attr:`discord.Intents.members` and member cache enabled, consider :meth:`get_user` instead.
.. versionchanged:: 2.0
``user_id`` parameter is now positional-only.
Parameters
-----------
user_id: :class:`int`
The user's ID to fetch from.
Raises
-------
NotFound
A user with this ID does not exist.
HTTPException
Fetching the user failed.
Returns
--------
:class:`~discord.User`
The user you requested.
"""
data = await self.http.get_user(user_id)
return User(state=self._connection, data=data)
async def fetch_channel(self, channel_id: int, /) -> Union[GuildChannel, PrivateChannel, Thread]:
"""|coro|
Retrieves a :class:`.abc.GuildChannel`, :class:`.abc.PrivateChannel`, or :class:`.Thread` with the specified ID.
.. note::
This method is an API call. For general usage, consider :meth:`get_channel` instead.
.. versionadded:: 1.2
.. versionchanged:: 2.0
``channel_id`` parameter is now positional-only.
Raises
-------
InvalidData
An unknown channel type was received from Discord.
HTTPException
Retrieving the channel failed.
NotFound
Invalid Channel ID.
Forbidden
You do not have permission to fetch this channel.
Returns
--------
Union[:class:`.abc.GuildChannel`, :class:`.abc.PrivateChannel`, :class:`.Thread`]
The channel from the ID.
"""
data = await self.http.get_channel(channel_id)
factory, ch_type = _threaded_channel_factory(data['type'])
if factory is None:
raise InvalidData('Unknown channel type {type} for channel ID {id}.'.format_map(data))
if ch_type in (ChannelType.group, ChannelType.private):
# the factory will be a DMChannel or GroupChannel here
channel = factory(me=self.user, data=data, state=self._connection) # type: ignore
else:
# the factory can't be a DMChannel or GroupChannel here
guild_id = int(data['guild_id']) # type: ignore
guild = self.get_guild(guild_id) or Object(id=guild_id)
# GuildChannels expect a Guild, we may be passing an Object
channel = factory(guild=guild, state=self._connection, data=data) # type: ignore
return channel
async def fetch_webhook(self, webhook_id: int, /) -> Webhook:
"""|coro|
Retrieves a :class:`.Webhook` with the specified ID.
.. versionchanged:: 2.0
``webhook_id`` parameter is now positional-only.
Raises
--------
HTTPException
Retrieving the webhook failed.
NotFound
Invalid webhook ID.
Forbidden
You do not have permission to fetch this webhook.
Returns
---------
:class:`.Webhook`
The webhook you requested.
"""
data = await self.http.get_webhook(webhook_id)
return Webhook.from_state(data, state=self._connection)
async def fetch_sticker(self, sticker_id: int, /) -> Union[StandardSticker, GuildSticker]:
"""|coro|
Retrieves a :class:`.Sticker` with the specified ID.
.. versionadded:: 2.0
Raises
--------
HTTPException
Retrieving the sticker failed.
NotFound
Invalid sticker ID.
Returns
--------
Union[:class:`.StandardSticker`, :class:`.GuildSticker`]
The sticker you requested.
"""
data = await self.http.get_sticker(sticker_id)
cls, _ = _sticker_factory(data['type'])
# The type checker is not smart enough to figure out the constructor is correct
return cls(state=self._connection, data=data) # type: ignore
async def fetch_premium_sticker_packs(self) -> List[StickerPack]:
"""|coro|
Retrieves all available premium sticker packs.
.. versionadded:: 2.0
Raises
-------
HTTPException
Retrieving the sticker packs failed.
Returns
---------
List[:class:`.StickerPack`]
All available premium sticker packs.
"""
data = await self.http.list_premium_sticker_packs()
return [StickerPack(state=self._connection, data=pack) for pack in data['sticker_packs']]
async def create_dm(self, user: Snowflake) -> DMChannel:
"""|coro|
Creates a :class:`.DMChannel` with this user.
This should be rarely called, as this is done transparently for most
people.
.. versionadded:: 2.0
Parameters
-----------
user: :class:`~discord.abc.Snowflake`
The user to create a DM with.
Returns
-------
:class:`.DMChannel`
The channel that was created.
"""
state = self._connection
found = state._get_private_channel_by_user(user.id)
if found:
return found
data = await state.http.start_private_message(user.id)
return state.add_dm_channel(data)
def add_view(self, view: View, *, message_id: Optional[int] = None) -> None:
"""Registers a :class:`~discord.ui.View` for persistent listening.
This method should be used for when a view is comprised of components
that last longer than the lifecycle of the program.
.. versionadded:: 2.0
Parameters
------------
view: :class:`discord.ui.View`
The view to register for dispatching.
message_id: Optional[:class:`int`]
The message ID that the view is attached to. This is currently used to
refresh the view's state during message update events. If not given
then message update events are not propagated for the view.
Raises
-------
TypeError
A view was not passed.
ValueError
The view is not persistent. A persistent view has no timeout
and all their components have an explicitly provided custom_id.
"""
if not isinstance(view, View):
raise TypeError(f'expected an instance of View not {view.__class__!r}')
if not view.is_persistent():
raise ValueError('View is not persistent. Items need to have a custom_id set and View must have no timeout')
self._connection.store_view(view, message_id)
@property
def persistent_views(self) -> Sequence[View]:
"""Sequence[:class:`.View`]: A sequence of persistent views added to the client.
.. versionadded:: 2.0
"""
return self._connection.persistent_views
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