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Move async_client.py to client.py
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# -*- coding: utf-8 -*-
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"""
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The MIT License (MIT)
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Copyright (c) 2015 Rapptz
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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"""
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from . import endpoints
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from .user import User
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from .channel import Channel, PrivateChannel
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from .server import Server
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from .message import Message
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from .invite import Invite
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from .object import Object
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from .errors import *
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from .state import ConnectionState
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from . import utils
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import asyncio
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import aiohttp
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import websockets
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import logging, traceback
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import sys, time, re, json
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log = logging.getLogger(__name__)
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request_logging_format = '{method} {response.url} has returned {response.status}'
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request_success_log = '{response.url} with {json} received {data}'
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def to_json(obj):
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return json.dumps(obj, separators=(',', ':'), ensure_ascii=True)
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class Client:
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"""Represents a client connection that connects to Discord.
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This class is used to interact with the Discord WebSocket and API.
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A number of options can be passed to the :class:`Client`.
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.. _deque: https://docs.python.org/3.4/library/collections.html#collections.deque
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.. _event loop: https://docs.python.org/3/library/asyncio-eventloops.html
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Parameters
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----------
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max_messages : Optional[int]
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The maximum number of messages to store in :attr:`messages`.
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This defaults to 5000. Passing in `None` or a value less than 100
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will use the default instead of the passed in value.
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loop : Optional[event loop].
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The `event loop`_ to use for asynchronous operations. Defaults to ``None``,
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in which case the default event loop is used via ``asyncio.get_event_loop()``.
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Attributes
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-----------
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user : Optional[:class:`User`]
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Represents the connected client. None if not logged in.
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servers : list of :class:`Server`
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The servers that the connected client is a member of.
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private_channels : list of :class:`PrivateChannel`
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The private channels that the connected client is participating on.
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messages
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A deque_ of :class:`Message` that the client has received from all
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servers and private messages. The number of messages stored in this
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deque is controlled by the ``max_messages`` parameter.
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email
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The email used to login. This is only set if login is successful,
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otherwise it's None.
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gateway
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The websocket gateway the client is currently connected to. Could be None.
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loop
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The `event loop`_ that the client uses for HTTP requests and websocket operations.
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"""
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def __init__(self, *, loop=None, **options):
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self.ws = None
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self.token = None
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self.gateway = None
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self.loop = asyncio.get_event_loop() if loop is None else loop
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max_messages = options.get('max_messages')
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if max_messages is None or max_messages < 100:
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max_messages = 5000
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self.connection = ConnectionState(self.dispatch, max_messages)
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self.session = aiohttp.ClientSession(loop=self.loop)
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self.headers = {
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'content-type': 'application/json',
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}
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self._closed = False
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def _resolve_mentions(self, content, mentions):
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if isinstance(mentions, list):
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return [user.id for user in mentions]
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elif mentions == True:
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return re.findall(r'<@(\d+)>', content)
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else:
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return []
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def _resolve_invite(self, invite):
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if isinstance(invite, Invite) or isinstance(invite, Object):
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return invite.id
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else:
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rx = r'(?:https?\:\/\/)?discord\.gg\/(.+)'
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m = re.match(rx, invite)
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if m:
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return m.group(1)
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return invite
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def _resolve_destination(self, destination):
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if isinstance(destination, (Channel, PrivateChannel, Server)):
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return destination.id
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elif isinstance(destination, User):
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found = utils.find(lambda pm: pm.user == destination, self.private_channels)
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if found is None:
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# Couldn't find the user, so start a PM with them first.
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self.start_private_message(destination)
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channel_id = self.private_channels[-1].id
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return channel_id
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else:
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return found.id
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elif isinstance(destination, Object):
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return destination.id
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else:
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raise InvalidArgument('Destination must be Channel, PrivateChannel, User, or Object')
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# Compatibility shim
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def __getattr__(self, name):
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if name in ('user', 'email', 'servers', 'private_channels', 'messages'):
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return getattr(self.connection, name)
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else:
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msg = "'{}' object has no attribute '{}'"
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raise AttributeError(msg.format(self.__class__, name))
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# Compatibility shim
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def __setattr__(self, name, value):
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if name in ('user', 'email', 'servers', 'private_channels',
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'messages'):
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return setattr(self.connection, name, value)
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else:
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object.__setattr__(self, name, value)
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@property
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def is_logged_in(self):
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"""bool: Indicates if the client has logged in successfully."""
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return self._is_logged_in
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@property
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def is_closed(self):
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"""bool: Indicates if the websocket connection is closed."""
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return self._closed
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@asyncio.coroutine
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def _get_gateway(self):
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resp = yield from self.session.get(endpoints.GATEWAY, headers=self.headers)
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if resp.status != 200:
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raise GatewayNotFound()
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data = yield from resp.json()
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return data.get('url')
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@asyncio.coroutine
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def _run_event(self, event, *args, **kwargs):
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try:
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yield from getattr(self, event)(*args, **kwargs)
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except Exception as e:
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yield from self.on_error(event, *args, **kwargs)
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def dispatch(self, event, *args, **kwargs):
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log.debug('Dispatching event {}'.format(event))
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method = 'on_' + event
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handler = 'handle_' + event
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if hasattr(self, handler):
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getattr(self, handler)(*args, **kwargs)
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if hasattr(self, method):
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utils.create_task(self._run_event(method, *args, **kwargs), loop=self.loop)
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def get_channel(self, id):
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"""Returns a :class:`Channel` or :class:`PrivateChannel` with the following ID. If not found, returns None."""
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return self.connection.get_channel(id)
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def get_all_channels(self):
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"""A generator that retrieves every :class:`Channel` the client can 'access'.
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This is equivalent to: ::
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for server in client.servers:
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for channel in server.channels:
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yield channel
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Note
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-----
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Just because you receive a :class:`Channel` does not mean that
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you can communicate in said channel. :meth:`Channel.permissions_for` should
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be used for that.
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"""
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for server in self.servers:
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for channel in server.channels:
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yield channel
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def get_all_members(self):
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"""Returns a generator with every :class:`Member` the client can see.
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This is equivalent to: ::
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for server in client.servers:
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for member in server.members:
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yield member
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"""
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for server in self.servers:
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for member in server.members:
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yield member
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@asyncio.coroutine
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def close(self):
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"""Closes the websocket connection.
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To reconnect the websocket connection, :meth:`connect` must be used.
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"""
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if self._closed:
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return
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yield from self.ws.close()
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self.keep_alive.cancel()
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self._closed = True
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@asyncio.coroutine
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def login(self, email, password):
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"""|coro|
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Logs in the client with the specified credentials.
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Parameters
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----------
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email : str
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The email used to login.
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password : str
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The password used to login.
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Raises
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------
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LoginFailure
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The wrong credentials are passed.
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HTTPException
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An unknown HTTP related error occurred,
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usually when it isn't 200 or the known incorrect credentials
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passing status code.
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"""
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payload = {
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'email': email,
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'password': password
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}
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data = to_json(payload)
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resp = yield from self.session.post(endpoints.LOGIN, data=data, headers=self.headers)
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log.debug(request_logging_format.format(method='POST', response=resp))
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if resp.status == 400:
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raise LoginFailure('Improper credentials have been passed.')
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elif resp.status != 200:
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data = yield from resp.json()
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raise HTTPException(resp, data.get('message'))
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log.info('logging in returned status code {}'.format(resp.status))
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self.email = email
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body = yield from resp.json()
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self.token = body['token']
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self.headers['authorization'] = self.token
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self._is_logged_in = True
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@asyncio.coroutine
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def keep_alive_handler(self, interval):
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while not self._closed:
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payload = {
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'op': 1,
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'd': int(time.time())
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}
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msg = 'Keeping websocket alive with timestamp {}'
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log.debug(msg.format(payload['d']))
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yield from self.ws.send(to_json(payload))
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yield from asyncio.sleep(interval)
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@asyncio.coroutine
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def on_error(self, event_method, *args, **kwargs):
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"""|coro|
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The default error handler provided by the client.
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By default this prints to ``sys.stderr`` however it could be
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overridden to have a different implementation.
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Check :func:`discord.on_error` for more details.
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"""
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print('Ignoring exception in {}'.format(event_method), file=sys.stderr)
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traceback.print_exc()
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def received_message(self, msg):
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log.debug('WebSocket Event: {}'.format(msg))
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self.dispatch('socket_response', msg)
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op = msg.get('op')
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data = msg.get('d')
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if op != 0:
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log.info('Unhandled op {}'.format(op))
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return
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event = msg.get('t')
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if event == 'READY':
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interval = data['heartbeat_interval'] / 1000.0
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self.keep_alive = utils.create_task(self.keep_alive_handler(interval), loop=self.loop)
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if event in ('READY', 'MESSAGE_CREATE', 'MESSAGE_DELETE',
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'MESSAGE_UPDATE', 'PRESENCE_UPDATE', 'USER_UPDATE',
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'CHANNEL_DELETE', 'CHANNEL_UPDATE', 'CHANNEL_CREATE',
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'GUILD_MEMBER_ADD', 'GUILD_MEMBER_REMOVE',
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'GUILD_MEMBER_UPDATE', 'GUILD_CREATE', 'GUILD_DELETE',
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'GUILD_ROLE_CREATE', 'GUILD_ROLE_DELETE', 'TYPING_START',
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'GUILD_ROLE_UPDATE', 'VOICE_STATE_UPDATE'):
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parser = 'parse_' + event.lower()
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if hasattr(self.connection, parser):
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getattr(self.connection, parser)(data)
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else:
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log.info("Unhandled event {}".format(event))
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@asyncio.coroutine
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def _make_websocket(self):
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if not self.is_logged_in:
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raise ClientException('You must be logged in to connect')
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self.gateway = yield from self._get_gateway()
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self.ws = yield from websockets.connect(self.gateway)
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self.ws.max_size = None
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log.info('Created websocket connected to {0.gateway}'.format(self))
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payload = {
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'op': 2,
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'd': {
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'token': self.token,
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'properties': {
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'$os': sys.platform,
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'$browser': 'discord.py',
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'$device': 'discord.py',
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'$referrer': '',
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'$referring_domain': ''
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},
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'v': 3
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}
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}
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yield from self.ws.send(to_json(payload))
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log.info('sent the initial payload to create the websocket')
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@asyncio.coroutine
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def connect(self):
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"""|coro|
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Creates a websocket connection and connects to the websocket listen
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to messages from discord.
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This function is implemented using a while loop in the background.
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If you need to run this event listening in another thread then
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you should run it in an executor or schedule the coroutine to
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be executed later using ``loop.create_task``.
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This function throws :exc:`ClientException` if called before
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logging in via :meth:`login`.
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"""
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yield from self._make_websocket()
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while not self._closed:
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msg = yield from self.ws.recv()
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if msg is None:
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yield from self.close()
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break
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self.received_message(json.loads(msg))
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def event(self, coro):
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"""A decorator that registers an event to listen to.
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You can find more info about the events on the :ref:`documentation below <discord-api-events>`.
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The events must be a |corourl|_, if not, :exc:`ClientException` is raised.
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Examples
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---------
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Using the basic :meth:`event` decorator: ::
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@client.event
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@asyncio.coroutine
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def on_ready():
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print('Ready!')
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Saving characters by using the :meth:`async_event` decorator: ::
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@client.async_event
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def on_ready():
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print('Ready!')
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"""
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if not asyncio.iscoroutinefunction(coro):
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raise ClientException('event registered must be a coroutine function')
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setattr(self, coro.__name__, coro)
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log.info('{0.__name__} has successfully been registered as an event'.format(coro))
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return coro
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def async_event(self, coro):
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"""A shorthand decorator for ``asyncio.coroutine`` + :meth:`event`."""
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if not asyncio.iscoroutinefunction(coro):
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coro = asyncio.coroutine(coro)
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return self.event(coro)
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@asyncio.coroutine
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def start_private_message(self, user):
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"""|coro|
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Starts a private message with the user. This allows you to
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:meth:`send_message` to the user.
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Note
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-----
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This method should rarely be called as :meth:`send_message`
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does it automatically for you.
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Parameters
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-----------
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user : :class:`User`
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The user to start the private message with.
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Raises
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------
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HTTPException
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The request failed.
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InvalidArgument
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The user argument was not of :class:`User`.
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"""
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if not isinstance(user, User):
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raise InvalidArgument('user argument must be a User')
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payload = {
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'recipient_id': user.id
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}
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url = '{}/{}/channels'.format(endpoints.USERS, self.user.id)
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r = yield from self.session.post(url, data=to_json(payload), headers=self.headers)
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log.debug(request_logging_format.format(method='POST', response=r))
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yield from utils._verify_successful_response(r)
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data = yield from r.json()
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log.debug(request_success_log.format(response=r, json=payload, data=data))
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self.private_channels.append(PrivateChannel(id=data['id'], user=user))
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@asyncio.coroutine
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def send_message(self, destination, content, *, mentions=True, tts=False):
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"""|coro|
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Sends a message to the destination given with the content given.
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The destination could be a :class:`Channel`, :class:`PrivateChannel` or :class:`Server`.
|
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For convenience it could also be a :class:`User`. If it's a :class:`User` or :class:`PrivateChannel`
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then it sends the message via private message, otherwise it sends the message to the channel.
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If the destination is a :class:`Server` then it's equivalent to calling
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:meth:`Server.get_default_channel` and sending it there. If it is a :class:`Object`
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instance then it is assumed to be the destination ID.
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.. versionchanged:: 0.9.0
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``str`` being allowed was removed and replaced with :class:`Object`.
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The content must be a type that can convert to a string through ``str(content)``.
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||||
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||||
The mentions must be either an array of :class:`User` to mention or a boolean. If
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``mentions`` is ``True`` then all the users mentioned in the content are mentioned, otherwise
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no one is mentioned. Note that to mention someone in the content, you should use :meth:`User.mention`.
|
||||
|
||||
Parameters
|
||||
------------
|
||||
destination
|
||||
The location to send the message.
|
||||
content
|
||||
The content of the message to send.
|
||||
mentions
|
||||
A list of :class:`User` to mention in the message or a boolean. Ignored for private messages.
|
||||
tts : bool
|
||||
Indicates if the message should be sent using text-to-speech.
|
||||
|
||||
Raises
|
||||
--------
|
||||
HTTPException
|
||||
Sending the message failed.
|
||||
Forbidden
|
||||
You do not have the proper permissions to send the message.
|
||||
NotFound
|
||||
The destination was not found and hence is invalid.
|
||||
InvalidArgument
|
||||
The destination parameter is invalid.
|
||||
|
||||
Returns
|
||||
---------
|
||||
:class:`Message`
|
||||
The message that was sent.
|
||||
"""
|
||||
|
||||
channel_id = self._resolve_destination(destination)
|
||||
|
||||
content = str(content)
|
||||
mentions = self._resolve_mentions(content, mentions)
|
||||
|
||||
url = '{base}/{id}/messages'.format(base=endpoints.CHANNELS, id=channel_id)
|
||||
payload = {
|
||||
'content': content,
|
||||
'mentions': mentions
|
||||
}
|
||||
|
||||
if tts:
|
||||
payload['tts'] = True
|
||||
|
||||
resp = yield from self.session.post(url, data=to_json(payload), headers=self.headers)
|
||||
log.debug(request_logging_format.format(method='POST', response=resp))
|
||||
yield from utils._verify_successful_response(resp)
|
||||
data = yield from resp.json()
|
||||
log.debug(request_success_log.format(response=resp, json=payload, data=data))
|
||||
channel = self.get_channel(data.get('channel_id'))
|
||||
message = Message(channel=channel, **data)
|
||||
return message
|
||||
|
||||
@asyncio.coroutine
|
||||
def send_typing(self, destination):
|
||||
"""|coro|
|
||||
|
||||
Send a *typing* status to the destination.
|
||||
|
||||
*Typing* status will go away after 10 seconds, or after a message is sent.
|
||||
|
||||
The destination parameter follows the same rules as :meth:`send_message`.
|
||||
|
||||
Parameters
|
||||
----------
|
||||
destination
|
||||
The location to send the typing update.
|
||||
"""
|
||||
|
||||
channel_id = self._resolve_destination(destination)
|
||||
|
||||
url = '{base}/{id}/typing'.format(base=endpoints.CHANNELS, id=channel_id)
|
||||
|
||||
response = yield from self.session.post(url, headers=self.headers)
|
||||
log.debug(request_logging_format.format(method='POST', response=response))
|
||||
yield from utils._verify_successful_response(response)
|
||||
|
||||
@asyncio.coroutine
|
||||
def send_file(self, destination, fp, filename=None):
|
||||
"""|coro|
|
||||
|
||||
Sends a message to the destination given with the file given.
|
||||
|
||||
The destination parameter follows the same rules as :meth:`send_message`.
|
||||
|
||||
The ``fp`` parameter should be either a string denoting the location for a
|
||||
file or a *file-like object*. The *file-like object* passed is **not closed**
|
||||
at the end of execution. You are responsible for closing it yourself.
|
||||
|
||||
.. note::
|
||||
|
||||
If the file-like object passed is opened via ``open`` then the modes
|
||||
'rb' should be used.
|
||||
|
||||
The ``filename`` parameter is the filename of the file.
|
||||
If this is not given then it defaults to ``fp.name`` or if ``fp`` is a string
|
||||
then the ``filename`` will default to the string given. You can overwrite
|
||||
this value by passing this in.
|
||||
|
||||
Parameters
|
||||
------------
|
||||
destination
|
||||
The location to send the message.
|
||||
fp
|
||||
The *file-like object* or file path to send.
|
||||
filename : str
|
||||
The filename of the file. Defaults to ``fp.name`` if it's available.
|
||||
|
||||
Raises
|
||||
-------
|
||||
InvalidArgument
|
||||
If ``fp.name`` is an invalid default for ``filename``.
|
||||
HTTPException
|
||||
Sending the file failed.
|
||||
|
||||
Returns
|
||||
--------
|
||||
:class:`Message`
|
||||
The message sent.
|
||||
"""
|
||||
|
||||
channel_id = self._resolve_destination(destination)
|
||||
|
||||
url = '{base}/{id}/messages'.format(base=endpoints.CHANNELS, id=channel_id)
|
||||
|
||||
try:
|
||||
# attempt to open the file and send the request
|
||||
with open(fp, 'rb') as f:
|
||||
files = {
|
||||
'file': (fp if filename is None else filename, f)
|
||||
}
|
||||
except TypeError:
|
||||
# if we got a TypeError then this is probably a file-like object
|
||||
fname = getattr(fp, 'name', None) if filename is None else filename
|
||||
if fname is None:
|
||||
raise InvalidArgument('file-like object has no name attribute and no filename was specified')
|
||||
|
||||
files = {
|
||||
'file': (fname, fp)
|
||||
}
|
||||
|
||||
response = yield from self.session.post(url, files=files, headers=self.headers)
|
||||
log.debug(request_logging_format.format(method='POST', response=response))
|
||||
yield from utils._verify_successful_response(response)
|
||||
data = yield from response.json()
|
||||
msg = 'POST {0.url} returned {0.status} with {1} response'
|
||||
log.debug(msg.format(response, data))
|
||||
channel = self.get_channel(data.get('channel_id'))
|
||||
message = Message(channel=channel, **data)
|
||||
return message
|
||||
|
||||
@asyncio.coroutine
|
||||
def delete_message(self, message):
|
||||
"""|coro|
|
||||
|
||||
Deletes a :class:`Message`.
|
||||
|
||||
Your own messages could be deleted without any proper permissions. However to
|
||||
delete other people's messages, you need the proper permissions to do so.
|
||||
|
||||
Parameters
|
||||
-----------
|
||||
message : :class:`Message`
|
||||
The message to delete.
|
||||
|
||||
Raises
|
||||
------
|
||||
Forbidden
|
||||
You do not have proper permissions to delete the message.
|
||||
HTTPException
|
||||
Deleting the message failed.
|
||||
"""
|
||||
|
||||
url = '{}/{}/messages/{}'.format(endpoints.CHANNELS, message.channel.id, message.id)
|
||||
response = yield from self.session.delete(url, headers=self.headers)
|
||||
log.debug(request_logging_format.format(method='DELETE', response=response))
|
||||
yield from utils._verify_successful_response(response)
|
||||
|
||||
@asyncio.coroutine
|
||||
def edit_message(self, message, new_content, mentions=True):
|
||||
"""|coro|
|
||||
|
||||
Edits a :class:`Message` with the new message content.
|
||||
|
||||
The new_content must be able to be transformed into a string via ``str(new_content)``.
|
||||
|
||||
Parameters
|
||||
-----------
|
||||
message : :class:`Message`
|
||||
The message to edit.
|
||||
new_content
|
||||
The new content to replace the message with.
|
||||
mentions
|
||||
The mentions for the user. Same as :meth:`send_message`.
|
||||
|
||||
Raises
|
||||
-------
|
||||
HTTPException
|
||||
Editing the message failed.
|
||||
|
||||
Returns
|
||||
--------
|
||||
:class:`Message`
|
||||
The new edited message.
|
||||
"""
|
||||
|
||||
channel = message.channel
|
||||
content = str(new_content)
|
||||
|
||||
url = '{}/{}/messages/{}'.format(endpoints.CHANNELS, channel.id, message.id)
|
||||
payload = {
|
||||
'content': content,
|
||||
'mentions': self._resolve_mentions(content, mentions)
|
||||
}
|
||||
|
||||
response = yield from self.session.patch(url, headers=self.headers, data=to_json(payload))
|
||||
log.debug(request_logging_format.format(method='PATCH', response=response))
|
||||
yield from utils._verify_successful_response(response)
|
||||
data = yield from response.json()
|
||||
log.debug(request_success_log.format(response=response, json=payload, data=data))
|
||||
return Message(channel=channel, **data)
|
||||
|
||||
@asyncio.coroutine
|
||||
def logout(self):
|
||||
"""|coro|
|
||||
|
||||
Logs out of Discord and closes all connections."""
|
||||
response = yield from self.session.post(endpoints.LOGOUT, headers=self.headers)
|
||||
yield from self.close()
|
||||
self._is_logged_in = False
|
||||
log.debug(request_logging_format.format(method='POST', response=response))
|
||||
|
||||
@asyncio.coroutine
|
||||
def logs_from(self, channel, limit=100, *, before=None, after=None):
|
||||
"""|coro|
|
||||
|
||||
This coroutine returns a generator that obtains logs from a specified channel.
|
||||
|
||||
Parameters
|
||||
-----------
|
||||
channel : :class:`Channel`
|
||||
The channel to obtain the logs from.
|
||||
limit : int
|
||||
The number of messages to retrieve.
|
||||
before : :class:`Message`
|
||||
The message before which all returned messages must be.
|
||||
after : :class:`Message`
|
||||
The message after which all returned messages must be.
|
||||
|
||||
Raises
|
||||
------
|
||||
Forbidden
|
||||
You do not have permissions to get channel logs.
|
||||
NotFound
|
||||
The channel you are requesting for doesn't exist.
|
||||
HTTPException
|
||||
The request to get logs failed.
|
||||
|
||||
Yields
|
||||
-------
|
||||
:class:`Message`
|
||||
The message with the message data parsed.
|
||||
|
||||
Examples
|
||||
---------
|
||||
|
||||
Basic logging: ::
|
||||
|
||||
logs = yield from client.logs_from(channel)
|
||||
for message in logs:
|
||||
if message.content.startswith('!hello'):
|
||||
if message.author == client.user:
|
||||
yield from client.edit_message(message, 'goodbye')
|
||||
"""
|
||||
|
||||
def generator_wrapper(data):
|
||||
for message in data:
|
||||
yield Message(channel=channel, **message)
|
||||
|
||||
url = '{}/{}/messages'.format(endpoints.CHANNELS, channel.id)
|
||||
params = {
|
||||
'limit': limit
|
||||
}
|
||||
|
||||
if before:
|
||||
params['before'] = before.id
|
||||
if after:
|
||||
params['after'] = after.id
|
||||
|
||||
response = yield from self.session.get(url, params=params, headers=self.headers)
|
||||
log.debug(request_logging_format.format(method='GET', response=response))
|
||||
yield from utils._verify_successful_response(response)
|
||||
messages = yield from response.json()
|
||||
return generator_wrapper(messages)
|
1953
discord/client.py
1953
discord/client.py
File diff suppressed because it is too large
Load Diff
@ -17,7 +17,7 @@ The following section outlines the API of discord.py.
|
||||
Client
|
||||
-------
|
||||
|
||||
.. autoclass:: discord.async_client.Client
|
||||
.. autoclass:: Client
|
||||
:members:
|
||||
|
||||
.. _discord-api-events:
|
||||
|
Loading…
x
Reference in New Issue
Block a user