init auth and main function
This commit is contained in:
Yuriy Yuriev
@@ -0,0 +1,264 @@
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"""
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IRC сервис для мониторинга Twitch чата.
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"""
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import asyncio
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import re
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import logging
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from typing import Optional, Callable, Awaitable, List
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from datetime import datetime
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from urllib.parse import urlparse
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from config.settings import settings
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logger = logging.getLogger(__name__)
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class TwitchIRCClient:
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"""
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Twitch IRC клиент для мониторинга чата.
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"""
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def __init__(
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self,
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channel: str,
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target_username: str,
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irc_username: str = None,
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irc_oauth: str = None
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):
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self.channel = channel.lower()
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self.target_username = target_username.lower()
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self.irc_username = irc_username or settings.IRC_USERNAME
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self.irc_oauth = irc_oauth or settings.IRC_OAUTH
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self._reader: Optional[asyncio.StreamReader] = None
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self._writer: Optional[asyncio.StreamWriter] = None
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self._connected = False
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self._url_pattern = re.compile(r'https?://[^\s<>"]+')
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async def connect(self) -> bool:
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"""Подключение к IRC серверу."""
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try:
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import ssl
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ssl_context = ssl.create_default_context()
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self._reader, self._writer = await asyncio.open_connection(
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settings.IRC_SERVER, settings.IRC_PORT,
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ssl=ssl_context
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)
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await self._send(f"PASS {self.irc_oauth}")
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await self._send(f"NICK {self.irc_username}")
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await self._send("CAP REQ :twitch.tv/tags")
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await self._send("CAP REQ :twitch.tv/commands")
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await self._send(f"JOIN #{self.channel}")
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await asyncio.sleep(2)
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self._connected = True
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logger.info(f"✅ Подключен к #{self.channel}")
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return True
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except Exception as e:
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logger.error(f"❌ Ошибка подключения: {e}")
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return False
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async def _send(self, message: str) -> None:
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"""Отправка сообщения."""
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if self._writer:
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self._writer.write(f"{message}\r\n".encode())
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await self._writer.drain()
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async def _read_line(self) -> Optional[str]:
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"""Чтение строки с обработкой PING."""
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if not self._reader:
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return None
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try:
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line = await self._reader.readline()
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if not line:
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logger.warning("Empty line - connection closed")
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self._connected = False
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return None
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decoded = line.decode('utf-8', errors='ignore').strip()
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# PING - отвечаем СРАЗУ
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if decoded.startswith('PING'):
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pong_msg = f"PONG {decoded.split()[1]}"
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self._writer.write(f"{pong_msg}\r\n".encode())
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try:
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await self._writer.drain()
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except (ConnectionResetError, BrokenPipeError, OSError) as e:
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logger.warning(f"Failed to send PONG: {e}")
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logger.debug(f"🏓 {pong_msg}")
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return f"PONG {decoded.split()[1]}" # Возвращаем PONG для отслеживания
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return decoded
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except Exception as e:
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logger.error(f"Read error: {e}")
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self._connected = False
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return None
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def _parse_message(self, line: str) -> Optional[dict]:
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if not line or 'PRIVMSG' not in line:
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return None
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try:
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# Парсим display-name из тегов
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tags = {}
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if line.startswith('@'):
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tags_part = line.split(' ', 1)[0]
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for tag in tags_part.lstrip('@').split(';'):
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if '=' in tag:
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k, v = tag.split('=', 1)
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tags[k] = v
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display_name = tags.get('display-name', '')
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# Извлекаем сообщение
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if ' :' in line:
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message_text = line.split(' :', 1)[1]
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else:
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message_text = ''
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# Пропускаем пустые сообщения
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if not message_text.strip():
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return None
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return {
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'display_name': display_name or 'unknown',
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'message': message_text,
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'tags': tags
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}
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except Exception as e:
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logger.error(f"Parse error: {e}")
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return None
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def _extract_urls(self, text: str) -> List[str]:
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"""Извлечение URL из текста."""
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urls = []
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for raw_url in self._url_pattern.findall(text):
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try:
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parsed = urlparse(raw_url)
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clean = f"{parsed.scheme}://{parsed.netloc}{parsed.path}"
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if parsed.query:
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clean += f"?{parsed.query}"
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urls.append(clean)
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except Exception:
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urls.append(raw_url.strip())
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return urls
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def _is_domain_allowed(self, url: str, allowed_domains: List[str]) -> bool:
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"""Проверка домена."""
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if not allowed_domains:
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return True
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try:
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domain = urlparse(url).netloc.lower()
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return any(d.lower() in domain for d in allowed_domains)
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except Exception:
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return False
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async def listen_for_messages(
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self,
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on_url_found: Callable[[str, str], Awaitable[None]],
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duration: int,
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allowed_domains: Optional[List[str]] = None,
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is_active: Callable[[], bool] = None, # Функция проверки активности
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) -> dict:
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stats = {"links_found": 0, "messages": 0, "reconnects": 0}
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start_time = datetime.now()
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last_message_time = datetime.now()
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await self.connect()
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while (datetime.now() - start_time).seconds < duration:
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# === ПРОВЕРКА АКТИВНОСТИ ===
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if is_active and not is_active():
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logger.info("⏸️ Task paused/stopped, disconnecting...")
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break
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# === ПЕРЕПОДКЛЮЧЕНИЕ КАЖДЫЕ 30 СЕКУНД ===
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if (datetime.now() - last_message_time).seconds > 30:
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logger.info("🔄 Reconnecting (30s)...")
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# Сначала читаем всё что осталось
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try:
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while True:
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line = await asyncio.wait_for(self._reader.readline(), timeout=1.0)
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if not line:
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break
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decoded = line.decode('utf-8', errors='ignore').strip()
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if 'PRIVMSG' in decoded:
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msg = self._parse_message(decoded)
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if msg:
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stats["messages"] += 1
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for url in self._extract_urls(msg['message']):
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if self._is_domain_allowed(url, allowed_domains):
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stats["links_found"] += 1
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try:
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await on_url_found(url, msg['display_name'])
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except Exception as e:
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logger.warning(f"URL callback error: {e}")
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except Exception as e:
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logger.warning(f"Error draining IRC data: {e}")
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# Переподключаемся
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try:
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await self.disconnect()
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except Exception as e:
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logger.warning(f"Disconnect error: {e}")
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await asyncio.sleep(1)
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await self.connect()
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stats["reconnects"] += 1
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last_message_time = datetime.now()
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continue
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# Читаем строку
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try:
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line = await asyncio.wait_for(self._read_line(), timeout=5.0)
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except (asyncio.TimeoutError, asyncio.CancelledError):
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continue
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except Exception as e:
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logger.warning(f"IRC read error: {e}")
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continue
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if not line:
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continue
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if line.startswith('PONG'):
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continue
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msg = self._parse_message(line)
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if not msg:
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continue
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last_message_time = datetime.now() # Обновляем таймер
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stats["messages"] += 1
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logger.debug(f"IRC message from {msg['display_name']}: {msg['message'][:50]}...")
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for url in self._extract_urls(msg['message']):
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if self._is_domain_allowed(url, allowed_domains):
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stats["links_found"] += 1
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try:
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await on_url_found(url, msg['display_name'])
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except:
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pass
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return stats
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async def disconnect(self) -> None:
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"""Закрытие соединения."""
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self._connected = False
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if self._writer:
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try:
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self._writer.close()
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await self._writer.wait_closed()
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except (ConnectionResetError, BrokenPipeError, OSError) as e:
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logger.debug(f"Disconnect warning: {e}")
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self._writer = None
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self._reader = None
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