import collections, re, typing from src import IRCBot, IRCServer, utils MAX_LINES = 64 class BufferLine(object): def __init__(self, sender: str, message: str, action: bool, tags: dict, from_self: bool, method: str): self.sender = sender self.message = message self.action = action self.tags = tags self.from_self = from_self self.method = method class Buffer(object): def __init__(self, bot: "IRCBot.Bot", server: "IRCServer.Server"): self.bot = bot self.server = server self._lines = collections.deque(maxlen=MAX_LINES) self._skip_next = False def _add_message(self, sender: str, message: str, action: bool, tags: dict, from_self: bool, method: str): if not self._skip_next: line = BufferLine(sender, message, action, tags, from_self, method) self._lines.appendleft(line) self._skip_next = False def add_message(self, sender: str, message: str, action: bool, tags: dict, from_self: bool=False): self._add_message(sender, message, action, tags, from_self, "PRIVMSG") def add_notice(self, sender: str, message: str, tags: dict, from_self: bool=False): self._add_message(sender, message, False, tags, from_self, "NOTICE") def get(self, index: int=0, **kwargs) -> typing.Optional[BufferLine]: from_self = kwargs.get("from_self", True) for line in self._lines: if line.from_self and not from_self: continue return line return None def find(self, pattern: typing.Union[str, typing.Pattern[str]], **kwargs ) -> typing.Optional[BufferLine]: from_self = kwargs.get("from_self", True) for_user = kwargs.get("for_user", "") for_user = self.server.irc_lower(for_user) if for_user else None not_pattern = kwargs.get("not_pattern", None) for line in self._lines: if line.from_self and not from_self: continue elif re.search(pattern, line.message): if not_pattern and re.search(not_pattern, line.message): continue if for_user and not self.server.irc_lower(line.sender ) == for_user: continue return line return None def find_from(self, nickname: str) -> typing.Optional[BufferLine]: nickname_lower = self.server.irc_lower(nickname) for line in self._lines: if (not line.from_self and self.server.irc_lower(line.sender) == nickname_lower): return line return None def skip_next(self): self._skip_next = True