Revert "Merge pull request #8 from EvoScientist/feature/channel-unification"
This reverts commit84da81256a, reversing changes made toc2c8e27b46.
This commit is contained in:
X-iZhang
@@ -1,289 +0,0 @@
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"""Telegram channel implementation using python-telegram-bot."""
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import logging
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from dataclasses import dataclass
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from datetime import datetime
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from pathlib import Path
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from ..base import Channel, RawIncoming, ChannelError, IMAGE_EXTS, VIDEO_EXTS, AUDIO_EXTS
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from ..capabilities import TELEGRAM as TELEGRAM_CAPS
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from ..config import BaseChannelConfig
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logger = logging.getLogger(__name__)
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@dataclass
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class TelegramConfig(BaseChannelConfig):
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bot_token: str = ""
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text_chunk_limit: int = 4096
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class TelegramChannel(Channel):
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"""Telegram channel using python-telegram-bot with long polling."""
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name = "telegram"
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capabilities = TELEGRAM_CAPS
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_typing_interval: float = 4.0
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_ready_attrs = ("_app",)
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_non_retryable_patterns = ("parse", "can't parse")
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_mention_pattern = r"(?i)@{bot_id}\s*"
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def __init__(self, config: TelegramConfig):
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super().__init__(config)
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self._app = None
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self._bot_username: str = ""
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async def start(self) -> None:
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if not self.config.bot_token:
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raise ChannelError("Telegram bot token is required")
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try:
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from telegram.ext import (
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ApplicationBuilder,
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MessageHandler,
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filters,
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)
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except ImportError:
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raise ChannelError(
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"python-telegram-bot not installed. "
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"Install with: pip install evoscientist[telegram]"
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)
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builder = ApplicationBuilder().token(self.config.bot_token)
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if self.config.proxy:
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builder = builder.proxy(self.config.proxy).get_updates_proxy(self.config.proxy)
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self._app = builder.build()
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# Accept text and media message types
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media_filter = filters.TEXT
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if self.config.include_attachments:
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media_filter = (
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filters.TEXT
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| filters.PHOTO
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| filters.VOICE
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| filters.AUDIO
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| filters.Document.ALL
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| filters.VIDEO
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| filters.Sticker.ALL
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| filters.LOCATION
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)
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self._app.add_handler(
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MessageHandler(media_filter & ~filters.COMMAND, self._on_message)
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)
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await self._app.initialize()
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# Cache bot username for @mention detection in groups
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bot_info = await self._app.bot.get_me()
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self._bot_username = (bot_info.username or "").lower()
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await self._app.start()
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await self._app.updater.start_polling(drop_pending_updates=True)
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self._running = True
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logger.info("Telegram channel started (polling)")
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async def _cleanup(self) -> None:
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if self._app:
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if self._app.updater and self._app.updater.running:
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await self._app.updater.stop()
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await self._app.stop()
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await self._app.shutdown()
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logger.info("Telegram channel stopped")
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# ── Typing indicator (override base) ────────────────────────────
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async def _send_typing_action(self, chat_id: str) -> None:
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"""Send typing action via Telegram Bot API."""
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if self._app:
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await self._app.bot.send_chat_action(
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chat_id=int(chat_id), action="typing",
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)
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# ── Send (template method overrides) ──────────────────────────
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async def _send_chunk(self, chat_id, formatted_text, raw_text, reply_to, metadata):
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reply_id = int(reply_to) if reply_to else None
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async def _send(text):
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await self._app.bot.send_message(
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chat_id=int(chat_id), text=text,
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parse_mode="HTML" if text == formatted_text else None,
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reply_to_message_id=reply_id,
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)
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await self._send_with_format_fallback(_send, formatted_text, raw_text)
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_MEDIA_SENDERS = {
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IMAGE_EXTS: ("send_photo", "photo"),
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VIDEO_EXTS: ("send_video", "video"),
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AUDIO_EXTS: ("send_audio", "audio"),
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}
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async def _send_media_impl(
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self,
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recipient: str,
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file_path: str,
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caption: str = "",
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metadata: dict | None = None,
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) -> bool:
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"""Send a media file through Telegram."""
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chat_id = int(self._resolve_media_chat_id(recipient, metadata))
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cap = caption or None
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ext = Path(file_path).suffix.lower()
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for exts, (method, param) in self._MEDIA_SENDERS.items():
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if ext in exts:
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await getattr(self._app.bot, method)(
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chat_id=chat_id, caption=cap, **{param: file_path},
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)
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return True
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await self._app.bot.send_document(
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chat_id=chat_id, document=file_path, caption=cap,
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)
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return True
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def _get_bot_identifier(self) -> str | None:
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return self._bot_username or None
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async def _send_ack_reaction(self, chat_id: str, message_id: str, emoji: str = "👀") -> None:
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"""Send an acknowledgment reaction via Telegram."""
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if self._app:
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try:
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from telegram import ReactionTypeEmoji
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await self._app.bot.set_message_reaction(
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chat_id=int(chat_id),
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message_id=int(message_id),
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reaction=[ReactionTypeEmoji(emoji)],
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)
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except Exception as e:
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logger.debug(f"Telegram ACK reaction failed: {e}")
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async def _remove_ack_reaction(self, chat_id: str, message_id: str, emoji: str = "👀") -> None:
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"""Remove the ack reaction by setting empty reaction list."""
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if self._app:
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try:
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await self._app.bot.set_message_reaction(
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chat_id=int(chat_id),
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message_id=int(message_id),
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reaction=[],
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)
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except Exception as e:
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logger.debug(f"Telegram remove ACK reaction failed: {e}")
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async def _on_message(self, update, context) -> None:
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"""Handler callback for text, photos, voice, audio, documents, video."""
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if not update.message:
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return
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message = update.message
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user_id = str(message.from_user.id)
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chat_id = str(message.chat_id)
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# Detect group and mention status for centralized gating
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is_group = message.chat.type in ("group", "supergroup")
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was_mentioned = True # DM default
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if is_group and self._bot_username:
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text_check = (message.text or message.caption or "").lower()
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was_mentioned = f"@{self._bot_username}" in text_check
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content_parts: list[str] = []
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media_paths: list[str] = []
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# Text content
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if message.text:
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content_parts.append(message.text)
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if message.caption:
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content_parts.append(message.caption)
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# Handle media files
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annotations: list[str] = []
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if self.config.include_attachments:
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media_file = None
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media_type = None
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if message.photo:
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media_file = message.photo[-1] # Largest size
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media_type = "image"
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elif message.voice:
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media_file = message.voice
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media_type = "voice"
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elif message.audio:
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media_file = message.audio
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media_type = "audio"
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elif message.video:
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media_file = message.video
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media_type = "video"
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elif message.document:
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media_file = message.document
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media_type = "file"
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elif message.sticker:
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media_file = message.sticker
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media_type = "sticker"
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# Location is not a downloadable file — handle separately
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if message.location and not media_file:
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loc = message.location
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annotations.append(
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f"[位置] ({loc.latitude}, {loc.longitude})"
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)
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if media_file and self._app:
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file_size = getattr(media_file, 'file_size', 0) or 0
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too_large = self._check_attachment_size(file_size, media_type)
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if too_large:
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annotations.append(too_large)
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else:
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try:
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file = await self._app.bot.get_file(
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media_file.file_id,
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)
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ext = self._get_extension(
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media_type,
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getattr(media_file, 'mime_type', None),
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)
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file_path = self._media_path(
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f"{media_file.file_id[:16]}{ext}"
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)
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await file.download_to_drive(str(file_path))
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media_paths.append(str(file_path))
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annotations.append(f"[{media_type}: {file_path}]")
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logger.debug(
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f"Downloaded {media_type} to {file_path}"
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)
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except Exception as e:
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logger.error(f"Failed to download media: {e}")
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annotations.append(
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f"[{media_type}: download failed]"
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)
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text_content = "\n".join(content_parts) if content_parts else ""
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await self._enqueue_raw(RawIncoming(
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sender_id=user_id,
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chat_id=chat_id,
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text=text_content,
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media_files=media_paths,
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content_annotations=annotations,
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timestamp=message.date or datetime.now(),
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message_id=str(message.message_id),
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metadata={"chat_id": chat_id},
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is_group=is_group,
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was_mentioned=was_mentioned,
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))
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_MIME_TO_EXT = {
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"image/jpeg": ".jpg", "image/png": ".png", "image/gif": ".gif",
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"image/webp": ".webp", "audio/ogg": ".ogg", "audio/mpeg": ".mp3",
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"audio/mp4": ".m4a", "video/mp4": ".mp4", "video/quicktime": ".mov",
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}
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_TYPE_TO_EXT = {
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"image": ".jpg", "voice": ".ogg", "audio": ".mp3",
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"video": ".mp4", "file": "", "sticker": ".webp",
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}
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@staticmethod
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def _get_extension(media_type: str, mime_type: str | None) -> str:
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"""Get file extension based on media type and MIME type."""
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if mime_type and mime_type in TelegramChannel._MIME_TO_EXT:
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return TelegramChannel._MIME_TO_EXT[mime_type]
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return TelegramChannel._TYPE_TO_EXT.get(media_type, "")
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