You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
569 lines
20 KiB
569 lines
20 KiB
# -*- coding: utf-8 -*-
|
|
|
|
"""
|
|
The MIT License (MIT)
|
|
|
|
Copyright (c) 2015-2016 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 .server import Server
|
|
from .user import User
|
|
from .game import Game
|
|
from .message import Message
|
|
from .channel import Channel, PrivateChannel
|
|
from .member import Member
|
|
from .role import Role
|
|
from . import utils, compat
|
|
from .enums import Status
|
|
|
|
|
|
from collections import deque, namedtuple
|
|
import copy, enum, math
|
|
import datetime
|
|
import asyncio
|
|
import logging
|
|
|
|
class ListenerType(enum.Enum):
|
|
chunk = 0
|
|
|
|
Listener = namedtuple('Listener', ('type', 'future', 'predicate'))
|
|
log = logging.getLogger(__name__)
|
|
ReadyState = namedtuple('ReadyState', ('launch', 'servers'))
|
|
|
|
class ConnectionState:
|
|
def __init__(self, dispatch, chunker, max_messages, *, loop):
|
|
self.loop = loop
|
|
self.max_messages = max_messages
|
|
self.dispatch = dispatch
|
|
self.chunker = chunker
|
|
self._listeners = []
|
|
self.clear()
|
|
|
|
def clear(self):
|
|
self.user = None
|
|
self.sequence = None
|
|
self.session_id = None
|
|
self._servers = {}
|
|
self._voice_clients = {}
|
|
self._private_channels = {}
|
|
# extra dict to look up private channels by user id
|
|
self._private_channels_by_user = {}
|
|
self.messages = deque(maxlen=self.max_messages)
|
|
|
|
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 e:
|
|
future.set_exception(e)
|
|
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]
|
|
|
|
@property
|
|
def voice_clients(self):
|
|
return 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
|
|
|
|
@property
|
|
def servers(self):
|
|
return self._servers.values()
|
|
|
|
def _get_server(self, server_id):
|
|
return self._servers.get(server_id)
|
|
|
|
def _add_server(self, server):
|
|
self._servers[server.id] = server
|
|
|
|
def _remove_server(self, server):
|
|
self._servers.pop(server.id, None)
|
|
|
|
@property
|
|
def private_channels(self):
|
|
return self._private_channels.values()
|
|
|
|
def _get_private_channel(self, channel_id):
|
|
return self._private_channels.get(channel_id)
|
|
|
|
def _get_private_channel_by_user(self, user_id):
|
|
return self._private_channels_by_user.get(user_id)
|
|
|
|
def _add_private_channel(self, channel):
|
|
self._private_channels[channel.id] = channel
|
|
self._private_channels_by_user[channel.user.id] = channel
|
|
|
|
def _remove_private_channel(self, channel):
|
|
self._private_channels.pop(channel.id, None)
|
|
self._private_channels_by_user.pop(channel.user.id, None)
|
|
|
|
def _get_message(self, msg_id):
|
|
return utils.find(lambda m: m.id == msg_id, self.messages)
|
|
|
|
def _add_server_from_data(self, guild):
|
|
server = Server(**guild)
|
|
Server.me = property(lambda s: s.get_member(self.user.id))
|
|
Server.voice_client = property(lambda s: self._get_voice_client(s.id))
|
|
self._add_server(server)
|
|
return server
|
|
|
|
def chunks_needed(self, server):
|
|
for chunk in range(math.ceil(server._member_count / 1000)):
|
|
yield self.receive_chunk(server.id)
|
|
|
|
@asyncio.coroutine
|
|
def _delay_ready(self):
|
|
launch = self._ready_state.launch
|
|
while not launch.is_set():
|
|
# this snippet of code is basically waiting 2 seconds
|
|
# until the last GUILD_CREATE was sent
|
|
launch.set()
|
|
yield from asyncio.sleep(2)
|
|
|
|
# get all the chunks
|
|
servers = self._ready_state.servers
|
|
chunks = []
|
|
for server in servers:
|
|
chunks.extend(self.chunks_needed(server))
|
|
|
|
# we only want to request ~75 guilds per chunk request.
|
|
splits = [servers[i:i + 75] for i in range(0, len(servers), 75)]
|
|
for split in splits:
|
|
yield from self.chunker(split)
|
|
|
|
# wait for the chunks
|
|
if chunks:
|
|
yield from asyncio.wait(chunks)
|
|
|
|
# remove the state
|
|
del self._ready_state
|
|
|
|
# dispatch the event
|
|
self.dispatch('ready')
|
|
|
|
def parse_ready(self, data):
|
|
self._ready_state = ReadyState(launch=asyncio.Event(), servers=[])
|
|
self.user = User(**data['user'])
|
|
guilds = data.get('guilds')
|
|
|
|
servers = self._ready_state.servers
|
|
for guild in guilds:
|
|
server = self._add_server_from_data(guild)
|
|
if server.large:
|
|
servers.append(server)
|
|
|
|
for pm in data.get('private_channels'):
|
|
self._add_private_channel(PrivateChannel(id=pm['id'],
|
|
user=User(**pm['recipient'])))
|
|
|
|
compat.create_task(self._delay_ready(), loop=self.loop)
|
|
|
|
def parse_resumed(self, data):
|
|
self.dispatch('resumed')
|
|
|
|
def parse_message_create(self, data):
|
|
channel = self.get_channel(data.get('channel_id'))
|
|
message = Message(channel=channel, **data)
|
|
self.dispatch('message', message)
|
|
self.messages.append(message)
|
|
|
|
def parse_message_delete(self, data):
|
|
message_id = data.get('id')
|
|
found = self._get_message(message_id)
|
|
if found is not None:
|
|
self.dispatch('message_delete', found)
|
|
self.messages.remove(found)
|
|
|
|
def parse_message_update(self, data):
|
|
message = self._get_message(data.get('id'))
|
|
if message is not None:
|
|
older_message = copy.copy(message)
|
|
if 'content' not in data:
|
|
# embed only edit
|
|
message.embeds = data['embeds']
|
|
else:
|
|
message._update(channel=message.channel, **data)
|
|
|
|
self.dispatch('message_edit', older_message, message)
|
|
|
|
def parse_presence_update(self, data):
|
|
server = self._get_server(data.get('guild_id'))
|
|
if server is None:
|
|
return
|
|
|
|
status = data.get('status')
|
|
user = data['user']
|
|
member_id = user['id']
|
|
member = server.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 = self._make_member(server, data)
|
|
server._add_member(member)
|
|
|
|
old_member = copy.copy(member)
|
|
member.status = data.get('status')
|
|
try:
|
|
member.status = Status(member.status)
|
|
except:
|
|
pass
|
|
|
|
game = data.get('game', {})
|
|
member.game = Game(**game) if game else None
|
|
member.name = user.get('username', member.name)
|
|
member.avatar = user.get('avatar', member.avatar)
|
|
|
|
self.dispatch('member_update', old_member, member)
|
|
|
|
def parse_user_update(self, data):
|
|
self.user = User(**data)
|
|
|
|
def parse_channel_delete(self, data):
|
|
server = self._get_server(data.get('guild_id'))
|
|
if server is not None:
|
|
channel_id = data.get('id')
|
|
channel = server.get_channel(channel_id)
|
|
if channel is not None:
|
|
server._remove_channel(channel)
|
|
self.dispatch('channel_delete', channel)
|
|
|
|
def parse_channel_update(self, data):
|
|
server = self._get_server(data.get('guild_id'))
|
|
if server is not None:
|
|
channel_id = data.get('id')
|
|
channel = server.get_channel(channel_id)
|
|
if channel is not None:
|
|
old_channel = copy.copy(channel)
|
|
channel._update(server=server, **data)
|
|
self.dispatch('channel_update', old_channel, channel)
|
|
|
|
def parse_channel_create(self, data):
|
|
is_private = data.get('is_private', False)
|
|
channel = None
|
|
if is_private:
|
|
recipient = User(**data.get('recipient'))
|
|
pm_id = data.get('id')
|
|
channel = PrivateChannel(id=pm_id, user=recipient)
|
|
self._add_private_channel(channel)
|
|
else:
|
|
server = self._get_server(data.get('guild_id'))
|
|
if server is not None:
|
|
channel = Channel(server=server, **data)
|
|
server._add_channel(channel)
|
|
|
|
self.dispatch('channel_create', channel)
|
|
|
|
def _make_member(self, server, data):
|
|
roles = [server.default_role]
|
|
for roleid in data.get('roles', []):
|
|
role = utils.get(server.roles, id=roleid)
|
|
if role is not None:
|
|
roles.append(role)
|
|
|
|
data['roles'] = sorted(roles, key=lambda r: int(r.id))
|
|
return Member(server=server, **data)
|
|
|
|
def parse_guild_member_add(self, data):
|
|
server = self._get_server(data.get('guild_id'))
|
|
member = self._make_member(server, data)
|
|
server._add_member(member)
|
|
server._member_count += 1
|
|
self.dispatch('member_join', member)
|
|
|
|
def parse_guild_member_remove(self, data):
|
|
server = self._get_server(data.get('guild_id'))
|
|
if server is not None:
|
|
user_id = data['user']['id']
|
|
member = server.get_member(user_id)
|
|
if member is not None:
|
|
server._remove_member(member)
|
|
server._member_count -= 1
|
|
|
|
# remove them from the voice channel member list
|
|
vc = member.voice_channel
|
|
if vc is not None:
|
|
try:
|
|
vc.voice_members.remove(member)
|
|
except:
|
|
pass
|
|
|
|
self.dispatch('member_remove', member)
|
|
|
|
def parse_guild_member_update(self, data):
|
|
server = self._get_server(data.get('guild_id'))
|
|
user_id = data['user']['id']
|
|
member = server.get_member(user_id)
|
|
if member is not None:
|
|
user = data['user']
|
|
old_member = copy.copy(member)
|
|
member.name = user['username']
|
|
member.discriminator = user['discriminator']
|
|
member.avatar = user['avatar']
|
|
member.bot = user.get('bot', False)
|
|
|
|
# the nickname change is optional,
|
|
# if it isn't in the payload then it didn't change
|
|
if 'nick' in data:
|
|
member.nick = data['nick']
|
|
|
|
# update the roles
|
|
member.roles = [server.default_role]
|
|
for role in server.roles:
|
|
if role.id in data['roles']:
|
|
member.roles.append(role)
|
|
|
|
# sort the roles by ID since they can be "randomised"
|
|
member.roles.sort(key=lambda r: int(r.id))
|
|
self.dispatch('member_update', old_member, member)
|
|
|
|
def _get_create_server(self, data):
|
|
if data.get('unavailable') == False:
|
|
# GUILD_CREATE with unavailable in the response
|
|
# usually means that the server has become available
|
|
# and is therefore in the cache
|
|
server = self._get_server(data.get('id'))
|
|
if server is not None:
|
|
server.unavailable = False
|
|
server._from_data(data)
|
|
return server
|
|
|
|
return self._add_server_from_data(data)
|
|
|
|
@asyncio.coroutine
|
|
def _chunk_and_dispatch(self, server, unavailable):
|
|
yield from self.chunker(server)
|
|
chunks = list(self.chunks_needed(server))
|
|
if chunks:
|
|
yield from asyncio.wait(chunks)
|
|
|
|
if unavailable == False:
|
|
self.dispatch('server_available', server)
|
|
else:
|
|
self.dispatch('server_join', server)
|
|
|
|
def parse_guild_create(self, data):
|
|
unavailable = data.get('unavailable')
|
|
if unavailable == True:
|
|
# joined a server with unavailable == True so..
|
|
return
|
|
|
|
server = self._get_create_server(data)
|
|
|
|
# check if it requires chunking
|
|
if server.large:
|
|
if unavailable == False:
|
|
# check if we're waiting for 'useful' READY
|
|
# and if we are, we don't want to dispatch any
|
|
# event such as server_join or server_available
|
|
# because we're still in the 'READY' phase. Or
|
|
# so we say.
|
|
try:
|
|
state = self._ready_state
|
|
state.launch.clear()
|
|
state.servers.append(server)
|
|
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
|
|
compat.create_task(self._chunk_and_dispatch(server, unavailable), loop=self.loop)
|
|
return
|
|
|
|
# Dispatch available if newly available
|
|
if unavailable == False:
|
|
self.dispatch('server_available', server)
|
|
else:
|
|
self.dispatch('server_join', server)
|
|
|
|
def parse_guild_update(self, data):
|
|
server = self._get_server(data.get('id'))
|
|
if server is not None:
|
|
old_server = copy.copy(server)
|
|
server._from_data(data)
|
|
self.dispatch('server_update', old_server, server)
|
|
|
|
def parse_guild_delete(self, data):
|
|
server = self._get_server(data.get('id'))
|
|
if server is None:
|
|
return
|
|
|
|
if data.get('unavailable', False) and server is not None:
|
|
# GUILD_DELETE with unavailable being True means that the
|
|
# server that was available is now currently unavailable
|
|
server.unavailable = True
|
|
self.dispatch('server_unavailable', server)
|
|
return
|
|
|
|
# do a cleanup of the messages cache
|
|
self.messages = deque((msg for msg in self.messages if msg.server != server), maxlen=self.max_messages)
|
|
|
|
self._remove_server(server)
|
|
self.dispatch('server_remove', server)
|
|
|
|
|
|
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
|
|
server = self._get_server(data.get('guild_id'))
|
|
if server is not None:
|
|
user_id = data.get('user', {}).get('id')
|
|
member = utils.get(server.members, id=user_id)
|
|
if member is not None:
|
|
self.dispatch('member_ban', member)
|
|
|
|
def parse_guild_ban_remove(self, data):
|
|
server = self._get_server(data.get('guild_id'))
|
|
if server is not None:
|
|
if 'user' in data:
|
|
user = User(**data['user'])
|
|
self.dispatch('member_unban', server, user)
|
|
|
|
def parse_guild_role_create(self, data):
|
|
server = self._get_server(data.get('guild_id'))
|
|
role_data = data.get('role', {})
|
|
role = Role(server=server, **role_data)
|
|
server.roles.append(role)
|
|
self.dispatch('server_role_create', role)
|
|
|
|
def parse_guild_role_delete(self, data):
|
|
server = self._get_server(data.get('guild_id'))
|
|
if server is not None:
|
|
role_id = data.get('role_id')
|
|
role = utils.find(lambda r: r.id == role_id, server.roles)
|
|
try:
|
|
server.roles.remove(role)
|
|
except ValueError:
|
|
return
|
|
else:
|
|
self.dispatch('server_role_delete', role)
|
|
|
|
def parse_guild_role_update(self, data):
|
|
server = self._get_server(data.get('guild_id'))
|
|
if server is not None:
|
|
role_id = data['role']['id']
|
|
role = utils.find(lambda r: r.id == role_id, server.roles)
|
|
if role is not None:
|
|
old_role = copy.copy(role)
|
|
role._update(**data['role'])
|
|
self.dispatch('server_role_update', old_role, role)
|
|
|
|
def parse_guild_members_chunk(self, data):
|
|
server = self._get_server(data.get('guild_id'))
|
|
members = data.get('members', [])
|
|
for member in members:
|
|
m = self._make_member(server, member)
|
|
existing = server.get_member(m.id)
|
|
if existing is None or existing.joined_at is None:
|
|
server._add_member(m)
|
|
|
|
# if the owner is offline, server.owner is potentially None
|
|
# therefore we should check if this chunk makes it point to a valid
|
|
# member.
|
|
server.owner = server.get_member(server.owner_id)
|
|
log.info('processed a chunk for {} members.'.format(len(members)))
|
|
self.process_listeners(ListenerType.chunk, server, len(members))
|
|
|
|
def parse_voice_state_update(self, data):
|
|
server = self._get_server(data.get('guild_id'))
|
|
user_id = data.get('user_id')
|
|
if server is not None:
|
|
if user_id == self.user.id:
|
|
voice = self._get_voice_client(server.id)
|
|
if voice is not None:
|
|
voice.channel = server.get_channel(data.get('channel_id'))
|
|
|
|
before, after = server._update_voice_state(data)
|
|
if after is not None:
|
|
self.dispatch('voice_state_update', before, after)
|
|
|
|
def parse_typing_start(self, data):
|
|
channel = self.get_channel(data.get('channel_id'))
|
|
if channel is not None:
|
|
member = None
|
|
user_id = data.get('user_id')
|
|
is_private = getattr(channel, 'is_private', None)
|
|
if is_private == None:
|
|
return
|
|
|
|
if is_private:
|
|
member = channel.user
|
|
else:
|
|
member = channel.server.get_member(user_id)
|
|
|
|
if member is not None:
|
|
timestamp = datetime.datetime.utcfromtimestamp(data.get('timestamp'))
|
|
self.dispatch('typing', channel, member, timestamp)
|
|
|
|
def get_channel(self, id):
|
|
if id is None:
|
|
return None
|
|
|
|
for server in self.servers:
|
|
channel = server.get_channel(id)
|
|
if channel is not None:
|
|
return channel
|
|
|
|
pm = self._get_private_channel(id)
|
|
if pm is not None:
|
|
return pm
|
|
|
|
def receive_chunk(self, guild_id):
|
|
future = asyncio.Future(loop=self.loop)
|
|
listener = Listener(ListenerType.chunk, future, lambda s: s.id == guild_id)
|
|
self._listeners.append(listener)
|
|
return future
|
|
|