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import re, typing, uuid
from src import EventManager, IRCBot, IRCBuffer, IRCObject, IRCServer, IRCUser
from src import utils
RE_MODES = re.compile(r"[-+]\w+")
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)
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]):
for chunk in RE_MODES.findall(modes):
remove = chunk[0] == "-"
for mode in chunk[1:]:
if mode in self.server.channel_list_modes:
args.pop(0)
elif (mode in self.server.channel_paramatered_modes or
mode in self.server.prefix_modes):
self.change_mode(remove, mode, args.pop(0))
elif mode in self.server.channel_setting_modes:
if remove:
self.change_mode(remove, mode)
else:
self.change_mode(remove, mode, args.pop(0))
elif mode in self.server.channel_modes:
self.change_mode(remove, mode)
def set_setting(self, setting: str, value: typing.Any):
self.bot.database.channel_settings.set(self.id, setting, value)
def get_setting(self, setting: str, default: typing.Any=None
) -> typing.Any:
return self.bot.database.channel_settings.get(self.id, setting,
default)
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)
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([]))
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