116 lines
3.8 KiB
Python
116 lines
3.8 KiB
Python
import collections, dataclasses, datetime, re, typing, uuid
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from src import IRCBot, IRCServer, utils
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MAX_LINES = 2**10
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@dataclasses.dataclass
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class BufferLine(object):
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sender: str
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message: str
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action: bool
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tags: dict
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from_self: bool
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method: str
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deleted: bool=False
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notes: typing.Dict[str, str] = dataclasses.field(
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default_factory=dict)
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id: str = dataclasses.field(
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default_factory=lambda: str(uuid.uuid4()))
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timestamp: datetime.datetime = dataclasses.field(
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default_factory=utils.datetime.utcnow)
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def format(self):
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if self.action:
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format = "* %s %s"
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else:
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format = "<%s> %s"
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return format % (self.sender, self.message)
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class BufferLineMatch(object):
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def __init__(self, line: BufferLine, match: str):
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self.line = line
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self.match = match
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class Buffer(object):
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def __init__(self, bot: "IRCBot.Bot", server: "IRCServer.Server"):
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self.bot = bot
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self.server = server
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self._lines: typing.Deque[BufferLine] = collections.deque(
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maxlen=MAX_LINES)
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def __len__(self) -> int:
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return len(self._lines)
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def add(self, line: BufferLine):
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self._lines.appendleft(line)
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def get(self, index: int=0, from_self=True, deleted=False
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) -> typing.Optional[BufferLine]:
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for line in self._lines:
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if line.from_self and not from_self:
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continue
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if line.deleted and not deleted:
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continue
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return line
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return None
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def get_all(self, for_user: typing.Optional[str]=None):
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if not for_user == None:
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for line in self._lines:
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if self.server.irc_lower(line.sender) == for_user:
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yield line
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else:
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for line in self._lines:
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yield line
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def find_all(self, pattern: typing.Union[str, typing.Pattern[str]],
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not_pattern: typing.Union[str, typing.Pattern[str]]=None,
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from_self=True, for_user: str=None, deleted=False
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) -> typing.Generator[BufferLineMatch, None, None]:
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if for_user:
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for_user = self.server.irc_lower(for_user)
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for line in self._lines:
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if line.from_self and not from_self:
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continue
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else:
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match = re.search(pattern, line.message)
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if match:
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if not_pattern and re.search(not_pattern, line.message):
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continue
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if for_user and not self.server.irc_lower(line.sender
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) == for_user:
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continue
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if line.deleted and not deleted:
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continue
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yield BufferLineMatch(line, match.group(0))
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return None
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def find(self, pattern: typing.Union[str, typing.Pattern[str]]
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) -> typing.Optional[BufferLineMatch]:
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return next(self.find_all(pattern), None)
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def find_id(self, id: str) -> typing.Optional[BufferLine]:
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for line in self._lines:
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if line.id == id:
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return line
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return None
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def find_from(self, nickname: str) -> typing.Optional[BufferLine]:
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lines = self.find_many_from(nickname, 1)
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if lines:
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return lines[0]
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else:
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return None
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def find_many_from(self, nickname: str, max: int
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) -> typing.List[BufferLine]:
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nickname_lower = self.server.irc_lower(nickname)
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found_lines = []
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for line in self._lines:
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if (not line.from_self
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and self.server.irc_lower(line.sender) == nickname_lower):
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found_lines.append(line)
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if len(found_lines) == max:
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break
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return found_lines
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