# -*- coding: utf-8 -*- """ The MIT License (MIT) Copyright (c) 2015-2020 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. """ import asyncio from collections import deque, namedtuple, OrderedDict import copy import datetime import itertools import logging import math import weakref import inspect import gc from .guild import Guild from .activity import BaseActivity from .user import User, ClientUser from .emoji import Emoji from .partial_emoji import PartialEmoji from .message import Message from .relationship import Relationship from .channel import * from .raw_models import * from .member import Member from .role import Role from .enums import ChannelType, try_enum, Status, Enum from . import utils from .embeds import Embed from .object import Object from .invite import Invite class ListenerType(Enum): chunk = 0 query_members = 1 Listener = namedtuple('Listener', ('type', 'future', 'predicate')) log = logging.getLogger(__name__) ReadyState = namedtuple('ReadyState', ('launch', 'guilds')) class ConnectionState: def __init__(self, *, dispatch, chunker, handlers, syncer, http, loop, **options): self.loop = loop self.http = http self.max_messages = options.get('max_messages', 1000) if self.max_messages is not None and self.max_messages <= 0: self.max_messages = 1000 self.dispatch = dispatch self.chunker = chunker self.syncer = syncer self.is_bot = None self.handlers = handlers self.shard_count = None self._ready_task = None self._fetch_offline = options.get('fetch_offline_members', True) self.heartbeat_timeout = options.get('heartbeat_timeout', 60.0) self.guild_subscriptions = options.get('guild_subscriptions', True) # Only disable cache if both fetch_offline and guild_subscriptions are off. self._cache_members = (self._fetch_offline or self.guild_subscriptions) self._listeners = [] activity = options.get('activity', None) if activity: if not isinstance(activity, BaseActivity): raise TypeError('activity parameter must derive from BaseActivity.') activity = activity.to_dict() status = options.get('status', None) if status: if status is Status.offline: status = 'invisible' else: status = str(status) self._activity = activity self._status = status self.parsers = parsers = {} for attr, func in inspect.getmembers(self): if attr.startswith('parse_'): parsers[attr[6:].upper()] = func self.clear() def clear(self): self.user = None self._users = weakref.WeakValueDictionary() self._emojis = {} self._calls = {} self._guilds = {} self._voice_clients = {} # LRU of max size 128 self._private_channels = OrderedDict() # extra dict to look up private channels by user id self._private_channels_by_user = {} self._messages = self.max_messages and deque(maxlen=self.max_messages) # In cases of large deallocations the GC should be called explicitly # To free the memory more immediately, especially true when it comes # to reconnect loops which cause mass allocations and deallocations. gc.collect() def process_listeners(self, listener_type, argument, result): removed = [] for i, listener in enumerate(self._listeners): if listener.type != listener_type: continue future = listener.future if future.cancelled(): removed.append(i) continue try: passed = listener.predicate(argument) except Exception as exc: future.set_exception(exc) removed.append(i) else: if passed: future.set_result(result) removed.append(i) if listener.type == ListenerType.chunk: break for index in reversed(removed): del self._listeners[index] def call_handlers(self, key, *args, **kwargs): try: func = self.handlers[key] except KeyError: pass else: func(*args, **kwargs) @property def self_id(self): u = self.user return u.id if u else None @property def voice_clients(self): return list(self._voice_clients.values()) def _get_voice_client(self, guild_id): return self._voice_clients.get(guild_id) def _add_voice_client(self, guild_id, voice): self._voice_clients[guild_id] = voice def _remove_voice_client(self, guild_id): self._voice_clients.pop(guild_id, None) def _update_references(self, ws): for vc in self.voice_clients: vc.main_ws = ws def store_user(self, data): # this way is 300% faster than `dict.setdefault`. user_id = int(data['id']) try: return self._users[user_id] except KeyError: user = User(state=self, data=data) if user.discriminator != '0000': self._users[user_id] = user return user def get_user(self, id): return self._users.get(id) def store_emoji(self, guild, data): emoji_id = int(data['id']) self._emojis[emoji_id] = emoji = Emoji(guild=guild, state=self, data=data) return emoji @property def guilds(self): return list(self._guilds.values()) def _get_guild(self, guild_id): return self._guilds.get(guild_id) def _add_guild(self, guild): self._guilds[guild.id] = guild def _remove_guild(self, guild): self._guilds.pop(guild.id, None) for emoji in guild.emojis: self._emojis.pop(emoji.id, None) del guild # Much like clear(), if we have a massive deallocation # then it's better to explicitly call the GC gc.collect() @property def emojis(self): return list(self._emojis.values()) def get_emoji(self, emoji_id): return self._emojis.get(emoji_id) @property def private_channels(self): return list(self._private_channels.values()) def _get_private_channel(self, channel_id): try: value = self._private_channels[channel_id] except KeyError: return None else: self._private_channels.move_to_end(channel_id) return value def _get_private_channel_by_user(self, user_id): return self._private_channels_by_user.get(user_id) def _add_private_channel(self, channel): channel_id = channel.id self._private_channels[channel_id] = channel if self.is_bot and len(self._private_channels) > 128: _, to_remove = self._private_channels.popitem(last=False) if isinstance(to_remove, DMChannel): self._private_channels_by_user.pop(to_remove.recipient.id, None) if isinstance(channel, DMChannel): self._private_channels_by_user[channel.recipient.id] = channel def add_dm_channel(self, data): channel = DMChannel(me=self.user, state=self, data=data) self._add_private_channel(channel) return channel def _remove_private_channel(self, channel): self._private_channels.pop(channel.id, None) if isinstance(channel, DMChannel): self._private_channels_by_user.pop(channel.recipient.id, None) def _get_message(self, msg_id): return utils.find(lambda m: m.id == msg_id, reversed(self._messages)) if self._messages else None def _add_guild_from_data(self, guild): guild = Guild(data=guild, state=self) self._add_guild(guild) return guild def chunks_needed(self, guild): for _ in range(math.ceil(guild._member_count / 1000)): yield self.receive_chunk(guild.id) def _get_guild_channel(self, data): channel_id = int(data['channel_id']) try: guild = self._get_guild(int(data['guild_id'])) except KeyError: channel = self.get_channel(channel_id) guild = None else: channel = guild and guild.get_channel(channel_id) return channel or Object(id=channel_id), guild async def request_offline_members(self, guilds): # get all the chunks chunks = [] for guild in guilds: chunks.extend(self.chunks_needed(guild)) # we only want to request ~75 guilds per chunk request. splits = [guilds[i:i + 75] for i in range(0, len(guilds), 75)] for split in splits: await self.chunker(split) # wait for the chunks if chunks: try: await utils.sane_wait_for(chunks, timeout=len(chunks) * 30.0) except asyncio.TimeoutError: log.info('Somehow timed out waiting for chunks.') async def query_members(self, guild, query, limit, cache): guild_id = guild.id ws = self._get_websocket(guild_id) if ws is None: raise RuntimeError('Somehow do not have a websocket for this guild_id') # Limits over 1000 cannot be supported since # the main use case for this is guild_subscriptions being disabled # and they don't receive GUILD_MEMBER events which make computing # member_count impossible. The only way to fix it is by limiting # the limit parameter to 1 to 1000. future = self.receive_member_query(guild_id, query) try: # start the query operation await ws.request_chunks(guild_id, query, limit) members = await asyncio.wait_for(future, timeout=5.0) if cache: for member in members: guild._add_member(member) return members except asyncio.TimeoutError: log.info('Timed out waiting for chunks with query %r and limit %d for guild_id %d', query, limit, guild_id) raise async def _delay_ready(self): try: launch = self._ready_state.launch # only real bots wait for GUILD_CREATE streaming if self.is_bot: while True: # this snippet of code is basically waiting 2 seconds # until the last GUILD_CREATE was sent try: await asyncio.wait_for(launch.wait(), timeout=2.0) except asyncio.TimeoutError: break else: launch.clear() guilds = next(zip(*self._ready_state.guilds), []) if self._fetch_offline: await self.request_offline_members(guilds) for guild, unavailable in self._ready_state.guilds: if unavailable is False: self.dispatch('guild_available', guild) else: self.dispatch('guild_join', guild) # remove the state try: del self._ready_state except AttributeError: pass # already been deleted somehow # call GUILD_SYNC after we're done chunking if not self.is_bot: log.info('Requesting GUILD_SYNC for %s guilds', len(self.guilds)) await self.syncer([s.id for s in self.guilds]) except asyncio.CancelledError: pass else: # dispatch the event self.call_handlers('ready') self.dispatch('ready') finally: self._ready_task = None def parse_ready(self, data): if self._ready_task is not None: self._ready_task.cancel() self._ready_state = ReadyState(launch=asyncio.Event(), guilds=[]) self.clear() self.user = user = ClientUser(state=self, data=data['user']) self._users[user.id] = user guilds = self._ready_state.guilds for guild_data in data['guilds']: guild = self._add_guild_from_data(guild_data) if (not self.is_bot and not guild.unavailable) or guild.large: guilds.append((guild, guild.unavailable)) for relationship in data.get('relationships', []): try: r_id = int(relationship['id']) except KeyError: continue else: user._relationships[r_id] = Relationship(state=self, data=relationship) for pm in data.get('private_channels', []): factory, _ = _channel_factory(pm['type']) self._add_private_channel(factory(me=user, data=pm, state=self)) self.dispatch('connect') self._ready_task = asyncio.ensure_future(self._delay_ready(), loop=self.loop) def parse_resumed(self, data): self.dispatch('resumed') def parse_message_create(self, data): channel, _ = self._get_guild_channel(data) message = Message(channel=channel, data=data, state=self) self.dispatch('message', message) if self._messages is not None: self._messages.append(message) if channel and channel.__class__ is TextChannel: channel.last_message_id = message.id def parse_message_delete(self, data): raw = RawMessageDeleteEvent(data) found = self._get_message(raw.message_id) raw.cached_message = found self.dispatch('raw_message_delete', raw) if self._messages is not None and found is not None: self.dispatch('message_delete', found) self._messages.remove(found) def parse_message_delete_bulk(self, data): raw = RawBulkMessageDeleteEvent(data) if self._messages: found_messages = [message for message in self._messages if message.id in raw.message_ids] else: found_messages = [] raw.cached_messages = found_messages self.dispatch('raw_bulk_message_delete', raw) if found_messages: self.dispatch('bulk_message_delete', found_messages) for msg in found_messages: self._messages.remove(msg) def parse_message_update(self, data): raw = RawMessageUpdateEvent(data) message = self._get_message(raw.message_id) if message is not None: older_message = copy.copy(message) raw.cached_message = older_message self.dispatch('raw_message_edit', raw) message._update(data) self.dispatch('message_edit', older_message, message) else: self.dispatch('raw_message_edit', raw) def parse_message_reaction_add(self, data): emoji = data['emoji'] emoji_id = utils._get_as_snowflake(emoji, 'id') emoji = PartialEmoji.with_state(self, animated=emoji.get('animated', False), id=emoji_id, name=emoji['name']) raw = RawReactionActionEvent(data, emoji, 'REACTION_ADD') member_data = data.get('member') if member_data: guild = self._get_guild(raw.guild_id) raw.member = Member(data=member_data, guild=guild, state=self) else: raw.member = None self.dispatch('raw_reaction_add', raw) # rich interface here message = self._get_message(raw.message_id) if message is not None: emoji = self._upgrade_partial_emoji(emoji) reaction = message._add_reaction(data, emoji, raw.user_id) user = raw.member or self._get_reaction_user(message.channel, raw.user_id) if user: self.dispatch('reaction_add', reaction, user) def parse_message_reaction_remove_all(self, data): raw = RawReactionClearEvent(data) self.dispatch('raw_reaction_clear', raw) message = self._get_message(raw.message_id) if message is not None: old_reactions = message.reactions.copy() message.reactions.clear() self.dispatch('reaction_clear', message, old_reactions) def parse_message_reaction_remove(self, data): emoji = data['emoji'] emoji_id = utils._get_as_snowflake(emoji, 'id') emoji = PartialEmoji.with_state(self, animated=emoji.get('animated', False), id=emoji_id, name=emoji['name']) raw = RawReactionActionEvent(data, emoji, 'REACTION_REMOVE') self.dispatch('raw_reaction_remove', raw) message = self._get_message(raw.message_id) if message is not None: emoji = self._upgrade_partial_emoji(emoji) try: reaction = message._remove_reaction(data, emoji, raw.user_id) except (AttributeError, ValueError): # eventual consistency lol pass else: user = self._get_reaction_user(message.channel, raw.user_id) if user: self.dispatch('reaction_remove', reaction, user) def parse_message_reaction_remove_emoji(self, data): emoji = data['emoji'] emoji_id = utils._get_as_snowflake(emoji, 'id') emoji = PartialEmoji.with_state(self, animated=emoji.get('animated', False), id=emoji_id, name=emoji['name']) raw = RawReactionClearEmojiEvent(data, emoji) self.dispatch('raw_reaction_clear_emoji', raw) message = self._get_message(raw.message_id) if message is not None: try: reaction = message._clear_emoji(emoji) except (AttributeError, ValueError): # eventual consistency lol pass else: if reaction: self.dispatch('reaction_clear_emoji', reaction) def parse_presence_update(self, data): guild_id = utils._get_as_snowflake(data, 'guild_id') guild = self._get_guild(guild_id) if guild is None: log.warning('PRESENCE_UPDATE referencing an unknown guild ID: %s. Discarding.', guild_id) return user = data['user'] member_id = int(user['id']) member = guild.get_member(member_id) if member is None: if 'username' not in user: # sometimes we receive 'incomplete' member data post-removal. # skip these useless cases. return member, old_member = Member._from_presence_update(guild=guild, data=data, state=self) guild._add_member(member) else: old_member = Member._copy(member) user_update = member._presence_update(data=data, user=user) if user_update: self.dispatch('user_update', user_update[0], user_update[1]) self.dispatch('member_update', old_member, member) def parse_user_update(self, data): self.user._update(data) def parse_invite_create(self, data): invite = Invite.from_gateway(state=self, data=data) self.dispatch('invite_create', invite) def parse_invite_delete(self, data): invite = Invite.from_gateway(state=self, data=data) self.dispatch('invite_delete', invite) def parse_channel_delete(self, data): guild = self._get_guild(utils._get_as_snowflake(data, 'guild_id')) channel_id = int(data['id']) if guild is not None: channel = guild.get_channel(channel_id) if channel is not None: guild._remove_channel(channel) self.dispatch('guild_channel_delete', channel) else: # the reason we're doing this is so it's also removed from the # private channel by user cache as well channel = self._get_private_channel(channel_id) if channel is not None: self._remove_private_channel(channel) self.dispatch('private_channel_delete', channel) def parse_channel_update(self, data): channel_type = try_enum(ChannelType, data.get('type')) channel_id = int(data['id']) if channel_type is ChannelType.group: channel = self._get_private_channel(channel_id) old_channel = copy.copy(channel) channel._update_group(data) self.dispatch('private_channel_update', old_channel, channel) return guild_id = utils._get_as_snowflake(data, 'guild_id') guild = self._get_guild(guild_id) if guild is not None: channel = guild.get_channel(channel_id) if channel is not None: old_channel = copy.copy(channel) channel._update(guild, data) self.dispatch('guild_channel_update', old_channel, channel) else: log.warning('CHANNEL_UPDATE referencing an unknown channel ID: %s. Discarding.', channel_id) else: log.warning('CHANNEL_UPDATE referencing an unknown guild ID: %s. Discarding.', guild_id) def parse_channel_create(self, data): factory, ch_type = _channel_factory(data['type']) if factory is None: log.warning('CHANNEL_CREATE referencing an unknown channel type %s. Discarding.', data['type']) return channel = None if ch_type in (ChannelType.group, ChannelType.private): channel_id = int(data['id']) if self._get_private_channel(channel_id) is None: channel = factory(me=self.user, data=data, state=self) self._add_private_channel(channel) self.dispatch('private_channel_create', channel) else: guild_id = utils._get_as_snowflake(data, 'guild_id') guild = self._get_guild(guild_id) if guild is not None: channel = factory(guild=guild, state=self, data=data) guild._add_channel(channel) self.dispatch('guild_channel_create', channel) else: log.warning('CHANNEL_CREATE referencing an unknown guild ID: %s. Discarding.', guild_id) return def parse_channel_pins_update(self, data): channel_id = int(data['channel_id']) channel = self.get_channel(channel_id) if channel is None: log.warning('CHANNEL_PINS_UPDATE referencing an unknown channel ID: %s. Discarding.', channel_id) return last_pin = utils.parse_time(data['last_pin_timestamp']) if data['last_pin_timestamp'] else None try: # I have not imported discord.abc in this file # the isinstance check is also 2x slower than just checking this attribute # so we're just gonna check it since it's easier and faster and lazier channel.guild except AttributeError: self.dispatch('private_channel_pins_update', channel, last_pin) else: self.dispatch('guild_channel_pins_update', channel, last_pin) def parse_channel_recipient_add(self, data): channel = self._get_private_channel(int(data['channel_id'])) user = self.store_user(data['user']) channel.recipients.append(user) self.dispatch('group_join', channel, user) def parse_channel_recipient_remove(self, data): channel = self._get_private_channel(int(data['channel_id'])) user = self.store_user(data['user']) try: channel.recipients.remove(user) except ValueError: pass else: self.dispatch('group_remove', channel, user) def parse_guild_member_add(self, data): guild = self._get_guild(int(data['guild_id'])) if guild is None: log.warning('GUILD_MEMBER_ADD referencing an unknown guild ID: %s. Discarding.', data['guild_id']) return member = Member(guild=guild, data=data, state=self) if self._cache_members: guild._add_member(member) guild._member_count += 1 self.dispatch('member_join', member) def parse_guild_member_remove(self, data): guild = self._get_guild(int(data['guild_id'])) if guild is not None: user_id = int(data['user']['id']) member = guild.get_member(user_id) if member is not None: guild._remove_member(member) guild._member_count -= 1 self.dispatch('member_remove', member) else: log.warning('GUILD_MEMBER_REMOVE referencing an unknown guild ID: %s. Discarding.', data['guild_id']) def parse_guild_member_update(self, data): guild = self._get_guild(int(data['guild_id'])) user = data['user'] user_id = int(user['id']) if guild is None: log.warning('GUILD_MEMBER_UPDATE referencing an unknown guild ID: %s. Discarding.', data['guild_id']) return member = guild.get_member(user_id) if member is not None: old_member = copy.copy(member) member._update(data) self.dispatch('member_update', old_member, member) else: log.warning('GUILD_MEMBER_UPDATE referencing an unknown member ID: %s. Discarding.', user_id) def parse_guild_emojis_update(self, data): guild = self._get_guild(int(data['guild_id'])) if guild is None: log.warning('GUILD_EMOJIS_UPDATE referencing an unknown guild ID: %s. Discarding.', data['guild_id']) return before_emojis = guild.emojis for emoji in before_emojis: self._emojis.pop(emoji.id, None) guild.emojis = tuple(map(lambda d: self.store_emoji(guild, d), data['emojis'])) self.dispatch('guild_emojis_update', guild, before_emojis, guild.emojis) def _get_create_guild(self, data): if data.get('unavailable') is False: # GUILD_CREATE with unavailable in the response # usually means that the guild has become available # and is therefore in the cache guild = self._get_guild(int(data['id'])) if guild is not None: guild.unavailable = False guild._from_data(data) return guild return self._add_guild_from_data(data) async def _chunk_and_dispatch(self, guild, unavailable): chunks = list(self.chunks_needed(guild)) await self.chunker(guild) if chunks: try: await utils.sane_wait_for(chunks, timeout=len(chunks)) except asyncio.TimeoutError: log.info('Somehow timed out waiting for chunks.') if unavailable is False: self.dispatch('guild_available', guild) else: self.dispatch('guild_join', guild) def parse_guild_create(self, data): unavailable = data.get('unavailable') if unavailable is True: # joined a guild with unavailable == True so.. return guild = self._get_create_guild(data) # check if it requires chunking if guild.large: if unavailable is False: # check if we're waiting for 'useful' READY # and if we are, we don't want to dispatch any # event such as guild_join or guild_available # because we're still in the 'READY' phase. Or # so we say. try: state = self._ready_state state.launch.set() state.guilds.append((guild, unavailable)) except AttributeError: # the _ready_state attribute is only there during # processing of useful READY. pass else: return # since we're not waiting for 'useful' READY we'll just # do the chunk request here if wanted if self._fetch_offline: asyncio.ensure_future(self._chunk_and_dispatch(guild, unavailable), loop=self.loop) return # Dispatch available if newly available if unavailable is False: self.dispatch('guild_available', guild) else: self.dispatch('guild_join', guild) def parse_guild_sync(self, data): guild = self._get_guild(int(data['id'])) guild._sync(data) def parse_guild_update(self, data): guild = self._get_guild(int(data['id'])) if guild is not None: old_guild = copy.copy(guild) guild._from_data(data) self.dispatch('guild_update', old_guild, guild) else: log.warning('GUILD_UPDATE referencing an unknown guild ID: %s. Discarding.', data['id']) def parse_guild_delete(self, data): guild = self._get_guild(int(data['id'])) if guild is None: log.warning('GUILD_DELETE referencing an unknown guild ID: %s. Discarding.', data['id']) return if data.get('unavailable', False) and guild is not None: # GUILD_DELETE with unavailable being True means that the # guild that was available is now currently unavailable guild.unavailable = True self.dispatch('guild_unavailable', guild) return # do a cleanup of the messages cache if self._messages is not None: self._messages = deque((msg for msg in self._messages if msg.guild != guild), maxlen=self.max_messages) self._remove_guild(guild) self.dispatch('guild_remove', guild) def parse_guild_ban_add(self, data): # we make the assumption that GUILD_BAN_ADD is done # before GUILD_MEMBER_REMOVE is called # hence we don't remove it from cache or do anything # strange with it, the main purpose of this event # is mainly to dispatch to another event worth listening to for logging guild = self._get_guild(int(data['guild_id'])) if guild is not None: try: user = User(data=data['user'], state=self) except KeyError: pass else: member = guild.get_member(user.id) or user self.dispatch('member_ban', guild, member) def parse_guild_ban_remove(self, data): guild = self._get_guild(int(data['guild_id'])) if guild is not None: if 'user' in data: user = self.store_user(data['user']) self.dispatch('member_unban', guild, user) def parse_guild_role_create(self, data): guild = self._get_guild(int(data['guild_id'])) if guild is None: log.warning('GUILD_ROLE_CREATE referencing an unknown guild ID: %s. Discarding.', data['guild_id']) return role_data = data['role'] role = Role(guild=guild, data=role_data, state=self) guild._add_role(role) self.dispatch('guild_role_create', role) def parse_guild_role_delete(self, data): guild = self._get_guild(int(data['guild_id'])) if guild is not None: role_id = int(data['role_id']) try: role = guild._remove_role(role_id) except KeyError: return else: self.dispatch('guild_role_delete', role) else: log.warning('GUILD_ROLE_DELETE referencing an unknown guild ID: %s. Discarding.', data['guild_id']) def parse_guild_role_update(self, data): guild = self._get_guild(int(data['guild_id'])) if guild is not None: role_data = data['role'] role_id = int(role_data['id']) role = guild.get_role(role_id) if role is not None: old_role = copy.copy(role) role._update(role_data) self.dispatch('guild_role_update', old_role, role) else: log.warning('GUILD_ROLE_UPDATE referencing an unknown guild ID: %s. Discarding.', data['guild_id']) def parse_guild_members_chunk(self, data): guild_id = int(data['guild_id']) guild = self._get_guild(guild_id) members = [Member(guild=guild, data=member, state=self) for member in data.get('members', [])] log.info('Processed a chunk for %s members in guild ID %s.', len(members), guild_id) if self._cache_members: for member in members: existing = guild.get_member(member.id) if existing is None or existing.joined_at is None: guild._add_member(member) self.process_listeners(ListenerType.chunk, guild, len(members)) names = [x.name.lower() for x in members] self.process_listeners(ListenerType.query_members, (guild_id, names), members) def parse_guild_integrations_update(self, data): guild = self._get_guild(int(data['guild_id'])) if guild is not None: self.dispatch('guild_integrations_update', guild) else: log.warning('GUILD_INTEGRATIONS_UPDATE referencing an unknown guild ID: %s. Discarding.', data['guild_id']) def parse_webhooks_update(self, data): channel = self.get_channel(int(data['channel_id'])) if channel is not None: self.dispatch('webhooks_update', channel) else: log.warning('WEBHOOKS_UPDATE referencing an unknown channel ID: %s. Discarding.', data['channel_id']) def parse_voice_state_update(self, data): guild = self._get_guild(utils._get_as_snowflake(data, 'guild_id')) channel_id = utils._get_as_snowflake(data, 'channel_id') if guild is not None: if int(data['user_id']) == self.user.id: voice = self._get_voice_client(guild.id) if voice is not None: ch = guild.get_channel(channel_id) if ch is not None: voice.channel = ch member, before, after = guild._update_voice_state(data, channel_id) if member is not None: self.dispatch('voice_state_update', member, before, after) else: log.warning('VOICE_STATE_UPDATE referencing an unknown member ID: %s. Discarding.', data['user_id']) else: # in here we're either at private or group calls call = self._calls.get(channel_id) if call is not None: call._update_voice_state(data) def parse_voice_server_update(self, data): try: key_id = int(data['guild_id']) except KeyError: key_id = int(data['channel_id']) vc = self._get_voice_client(key_id) if vc is not None: asyncio.ensure_future(vc._create_socket(key_id, data)) def parse_typing_start(self, data): channel, guild = self._get_guild_channel(data) if channel is not None: member = None user_id = utils._get_as_snowflake(data, 'user_id') if isinstance(channel, DMChannel): member = channel.recipient elif isinstance(channel, TextChannel) and guild is not None: member = guild.get_member(user_id) elif isinstance(channel, GroupChannel): member = utils.find(lambda x: x.id == user_id, channel.recipients) if member is not None: timestamp = datetime.datetime.utcfromtimestamp(data.get('timestamp')) self.dispatch('typing', channel, member, timestamp) def parse_relationship_add(self, data): key = int(data['id']) old = self.user.get_relationship(key) new = Relationship(state=self, data=data) self.user._relationships[key] = new if old is not None: self.dispatch('relationship_update', old, new) else: self.dispatch('relationship_add', new) def parse_relationship_remove(self, data): key = int(data['id']) try: old = self.user._relationships.pop(key) except KeyError: pass else: self.dispatch('relationship_remove', old) def _get_reaction_user(self, channel, user_id): if isinstance(channel, TextChannel): return channel.guild.get_member(user_id) return self.get_user(user_id) def get_reaction_emoji(self, data): emoji_id = utils._get_as_snowflake(data, 'id') if not emoji_id: return data['name'] try: return self._emojis[emoji_id] except KeyError: return PartialEmoji(animated=data.get('animated', False), id=emoji_id, name=data['name']) def _upgrade_partial_emoji(self, emoji): emoji_id = emoji.id if not emoji_id: return emoji.name try: return self._emojis[emoji_id] except KeyError: return emoji def get_channel(self, id): if id is None: return None pm = self._get_private_channel(id) if pm is not None: return pm for guild in self.guilds: channel = guild.get_channel(id) if channel is not None: return channel def create_message(self, *, channel, data): return Message(state=self, channel=channel, data=data) def receive_chunk(self, guild_id): future = self.loop.create_future() listener = Listener(ListenerType.chunk, future, lambda s: s.id == guild_id) self._listeners.append(listener) return future def receive_member_query(self, guild_id, query): def predicate(args, *, guild_id=guild_id, query=query.lower()): request_guild_id, names = args return request_guild_id == guild_id and all(n.startswith(query) for n in names) future = self.loop.create_future() listener = Listener(ListenerType.query_members, future, predicate) self._listeners.append(listener) return future class AutoShardedConnectionState(ConnectionState): def __init__(self, *args, **kwargs): super().__init__(*args, **kwargs) self._ready_task = None self.shard_ids = () async def request_offline_members(self, guilds, *, shard_id): # get all the chunks chunks = [] for guild in guilds: chunks.extend(self.chunks_needed(guild)) # we only want to request ~75 guilds per chunk request. splits = [guilds[i:i + 75] for i in range(0, len(guilds), 75)] for split in splits: await self.chunker(split, shard_id=shard_id) # wait for the chunks if chunks: try: await utils.sane_wait_for(chunks, timeout=len(chunks) * 30.0) except asyncio.TimeoutError: log.info('Somehow timed out waiting for chunks.') async def _delay_ready(self): launch = self._ready_state.launch while True: # this snippet of code is basically waiting 2 * shard_ids seconds # until the last GUILD_CREATE was sent try: await asyncio.wait_for(launch.wait(), timeout=2.0 * len(self.shard_ids)) except asyncio.TimeoutError: break else: launch.clear() guilds = sorted(self._ready_state.guilds, key=lambda g: g[0].shard_id) for shard_id, sub_guilds_info in itertools.groupby(guilds, key=lambda g: g[0].shard_id): sub_guilds, sub_available = zip(*sub_guilds_info) if self._fetch_offline: await self.request_offline_members(sub_guilds, shard_id=shard_id) for guild, unavailable in zip(sub_guilds, sub_available): if unavailable is False: self.dispatch('guild_available', guild) else: self.dispatch('guild_join', guild) self.dispatch('shard_ready', shard_id) # remove the state try: del self._ready_state except AttributeError: pass # already been deleted somehow # regular users cannot shard so we won't worry about it here. # clear the current task self._ready_task = None # dispatch the event self.call_handlers('ready') self.dispatch('ready') def parse_ready(self, data): if not hasattr(self, '_ready_state'): self._ready_state = ReadyState(launch=asyncio.Event(), guilds=[]) self.user = user = ClientUser(state=self, data=data['user']) self._users[user.id] = user guilds = self._ready_state.guilds for guild_data in data['guilds']: guild = self._add_guild_from_data(guild_data) if guild.large: guilds.append((guild, guild.unavailable)) for pm in data.get('private_channels', []): factory, _ = _channel_factory(pm['type']) self._add_private_channel(factory(me=user, data=pm, state=self)) self.dispatch('connect') if self._ready_task is None: self._ready_task = asyncio.ensure_future(self._delay_ready(), loop=self.loop)