import re, typing, uuid from src import EventManager, IRCBot, IRCBuffer, IRCObject, IRCServer, IRCUser from src import utils RE_MODES = re.compile(r"[-+]\w+") SETTING_CACHE_EXPIRATION = 60.0*5.0 # 5 minutes class Channel(IRCObject.Object): name = "" def __init__(self, name: str, id, server: "IRCServer.Server", bot: "IRCBot.Bot"): self.name = server.irc_lower(name) self.id = id self.server = server self.bot = bot self.topic = "" self.topic_setter_nickname = None # type: typing.Optional[str] self.topic_setter_username = None # type: typing.Optional[str] self.topic_setter_hostname = None # type: typing.Optional[str] self.topic_time = 0 self.users = set([]) # type: typing.Set[IRCUser.User] self.modes = {} # type: typing.Dict[str, typing.Set] self.user_modes = {} # type: typing.Dict[IRCUser.User, typing.Set] self.created_timestamp = None self.buffer = IRCBuffer.Buffer(bot, server) self._setting_cache_prefix = "channelsetting%s-" % self.id def __repr__(self) -> str: return "IRCChannel.Channel(%s|%s)" % (self.server.name, self.name) def __str__(self) -> str: return self.name def set_topic(self, topic: str): self.topic = topic def set_topic_setter(self, nickname: str, username: str=None, hostname: str=None): self.topic_setter_nickname = nickname self.topic_setter_username = username self.topic_setter_hostname = hostname def set_topic_time(self, unix_timestamp: int): self.topic_time = unix_timestamp def add_user(self, user: IRCUser.User): self.users.add(user) def remove_user(self, user: IRCUser.User): self.users.remove(user) for mode in list(self.modes.keys()): if mode in self.server.prefix_modes and user in self.modes[mode]: self.modes[mode].discard(user) if not len(self.modes[mode]): del self.modes[mode] if user in self.user_modes: del self.user_modes[user] def has_user(self, user: IRCUser.User) -> bool: return user in self.users def mode_str(self) -> str: modes = [] # type: typing.List[typing.Tuple[str, typing.List[str]]] # sorta alphanumerically by mode char modes_iter = sorted(self.modes.items(), key=lambda mode: mode[0]) for mode, args in modes_iter: # not list mode (e.g. +b) and not prefix mode (e.g. +o) if (not mode in self.server.channel_list_modes and not mode in self.server.prefix_modes): args_list = typing.cast(typing.List[str], list(args)) modes.append((mode, args_list)) # move modes with args to the front modes.sort(key=lambda mode: not bool(mode[1])) out_modes = "".join(mode for mode, args in modes) out_args = " ".join(args[0] for mode, args in modes if args) return "+%s%s" % (out_modes, " %s" % out_args if out_args else "") def add_mode(self, mode: str, arg: str=None): if not mode in self.modes: self.modes[mode] = set([]) if arg: if mode in self.server.prefix_modes: user = self.server.get_user(arg) if user: self.modes[mode].add(user) if not user in self.user_modes: self.user_modes[user] = set([]) self.user_modes[user].add(mode) else: self.modes[mode].add(arg.lower()) def remove_mode(self, mode: str, arg: str=None): if not arg: if mode in self.modes: del self.modes[mode] else: if mode in self.server.prefix_modes: user = self.server.get_user(arg) if user: if mode in self.modes: self.modes[mode].discard(user) if user in self.user_modes: self.user_modes[user].discard(mode) if not self.user_modes[user]: del self.user_modes[user] else: self.modes[mode].discard(arg.lower()) if mode in self.modes and not len(self.modes[mode]): del self.modes[mode] def change_mode(self, remove: bool, mode: str, arg: str=None): if remove: self.remove_mode(mode, arg) else: self.add_mode(mode, arg) def parse_modes(self, modes: str, args: typing.List[str] ) -> typing.List[typing.Tuple[str, typing.Optional[str]]]: new_modes: typing.List[typing.Tuple[str, typing.Optional[str]]] = [] for chunk in RE_MODES.findall(modes): remove = chunk[0] == "-" for mode in chunk[1:]: new_arg = None if mode in self.server.channel_list_modes: new_arg = args.pop(0) elif (mode in self.server.channel_parametered_modes or mode in self.server.prefix_modes): new_arg = args.pop(0) self.change_mode(remove, mode, new_arg) elif mode in self.server.channel_setting_modes: if remove: self.change_mode(remove, mode) else: new_arg = args.pop(0) self.change_mode(remove, mode, new_arg) elif mode in self.server.channel_modes: self.change_mode(remove, mode) mode_str = "%s%s" % ("-" if remove else "+", mode) new_modes.append((mode_str, new_arg)) return new_modes def _setting_cache_key(self, key: str) -> str: return self._setting_cache_prefix+key def _cache_setting(self, key: str, value: typing.Any) -> str: return self.bot.cache.temporary_cache(key, value, SETTING_CACHE_EXPIRATION) def set_setting(self, setting: str, value: typing.Any): self.bot.database.channel_settings.set(self.id, setting, value) cache_key = self._setting_cache_key(setting) self._cache_setting(self._setting_cache_key(setting), value) def get_setting(self, setting: str, default: typing.Any=None ) -> typing.Any: cache_key = self._setting_cache_key(setting) value = None if self.bot.cache.has_item(cache_key): value = self.bot.cache.get(cache_key) else: value = self.bot.database.channel_settings.get(self.id, setting, None) self._cache_setting(cache_key, value) if value == None: return default else: return value def find_settings(self, pattern: str, default: typing.Any=[] ) -> typing.List[typing.Any]: return self.bot.database.channel_settings.find(self.id, pattern, default) def find_settings_prefix(self, prefix: str, default: typing.Any=[] ) -> typing.List[typing.Any]: return self.bot.database.channel_settings.find_prefix(self.id, prefix, default) def del_setting(self, setting: str): self.bot.database.channel_settings.delete(self.id, setting) cache_key = self._setting_cache_key(setting) if self.bot.cache.has_item(cache_key): self.bot.cache.remove(cache_key) def set_user_setting(self, user_id: int, setting: str, value: typing.Any): self.bot.database.user_channel_settings.set(user_id, self.id, setting, value) def get_user_setting(self, user_id: int, setting: str, default: typing.Any=None) -> typing.Any: return self.bot.database.user_channel_settings.get(user_id, self.id, setting, default) def find_user_settings(self, user_id: int, pattern: str, default: typing.Any=[]) -> typing.List[typing.Any]: return self.bot.database.user_channel_settings.find(user_id, self.id, pattern, default) def find_user_settings_prefix(self, user_id: int, prefix: str, default: typing.Any=[]) -> typing.List[typing.Any]: return self.bot.database.user_channel_settings.find_prefix( user_id, self.id, prefix, default) def del_user_setting(self, user_id: int, setting: str): self.bot.database.user_channel_settings.delete(user_id, self.id, setting) def find_all_by_setting(self, setting: str, default: typing.Any=[] ) -> typing.List[typing.Any]: return self.bot.database.user_channel_settings.find_all_by_setting( self.id, setting, default) def send_message(self, text: str, tags: dict={}): return self.server.send_message(self.name, text, tags=tags) def send_notice(self, text: str, tags: dict={}): return self.server.send_notice(self.name, text, tags=tags) def send_tagmsg(self, tags: dict): return self.server.send_tagmsg(self.name, tags) def send_mode(self, mode: str=None, target: typing.List[str]=None): return self.server.send_mode(self.name, mode, target) def send_kick(self, target: str, reason: str=None): return self.server.send_kick(self.name, target, reason) def send_ban(self, hostmask: str): return self.server.send_mode(self.name, "+b", [hostmask]) def send_unban(self, hostmask: str): return self.server.send_mode(self.name, "-b", [hostmask]) def send_topic(self, topic: str): return self.server.send_topic(self.name, topic) def send_part(self, reason: str=None): return self.server.send_part(self.name, reason) def mode_or_above(self, user: IRCUser.User, mode: str) -> bool: mode_orders = list(self.server.prefix_modes) mode_index = mode_orders.index(mode) for mode in mode_orders[:mode_index+1]: if user in self.modes.get(mode, []): return True return False def has_mode(self, user: IRCUser.User, mode: str) -> bool: return user in self.modes.get(mode, []) def get_user_status(self, user: IRCUser.User) -> typing.Set: return self.user_modes.get(user, set([]))