mirror of
https://github.com/pacnpal/Pac-cogs.git
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971d52bd00
Core processing logic in VideoProcessor class Dedicated message handling in MessageHandler Queue operations in QueueHandler Progress tracking in ProgressTracker Reaction management in reactions.py Improved Maintainability: Each component has a single responsibility Easier to test individual components Better code organization and readability Reduced file sizes for better version control Better Resource Management: Centralized progress tracking Isolated queue operations Cleaner cleanup processes Optimized Imports: Components can be imported individually as needed Main processor.py provides backward compatibility Clear module interface through init.py
274 lines
11 KiB
Python
274 lines
11 KiB
Python
"""Queue processing and video handling operations"""
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import os
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import logging
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import asyncio
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import discord
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from typing import Dict, Optional, Tuple, Any
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from datetime import datetime
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from .reactions import REACTIONS
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from .progress_tracker import ProgressTracker
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logger = logging.getLogger("VideoArchiver")
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class QueueHandler:
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"""Handles queue processing and video operations"""
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def __init__(self, bot, config_manager, components):
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self.bot = bot
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self.config = config_manager
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self.components = components
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self._unloading = False
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self._active_downloads: Dict[str, asyncio.Task] = {}
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self._active_downloads_lock = asyncio.Lock()
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self.progress_tracker = ProgressTracker()
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async def process_video(self, item) -> Tuple[bool, Optional[str]]:
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"""Process a video from the queue"""
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if self._unloading:
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return False, "Processor is unloading"
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file_path = None
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original_message = None
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download_task = None
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try:
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guild_id = item.guild_id
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if guild_id not in self.components:
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return False, f"No components found for guild {guild_id}"
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components = self.components[guild_id]
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downloader = components.get("downloader")
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message_manager = components.get("message_manager")
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if not downloader or not message_manager:
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return False, f"Missing required components for guild {guild_id}"
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# Get original message and update reactions
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original_message = await self._get_original_message(item)
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if original_message:
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await original_message.remove_reaction(REACTIONS["queued"], self.bot.user)
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await original_message.add_reaction(REACTIONS["processing"])
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logger.info(f"Started processing message {item.message_id}")
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# Create progress callback
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progress_callback = self._create_progress_callback(original_message, item.url)
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# Download video
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success, file_path, error = await self._download_video(
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downloader, item.url, progress_callback
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)
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if not success:
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if original_message:
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await original_message.add_reaction(REACTIONS["error"])
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logger.error(f"Download failed for message {item.message_id}: {error}")
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return False, f"Failed to download video: {error}"
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# Archive video
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success, error = await self._archive_video(
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guild_id, original_message, message_manager, item.url, file_path
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)
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if not success:
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return False, error
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return True, None
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except Exception as e:
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logger.error(f"Error processing video: {str(e)}", exc_info=True)
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return False, str(e)
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finally:
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# Clean up downloaded file
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if file_path and os.path.exists(file_path):
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try:
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os.unlink(file_path)
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except Exception as e:
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logger.error(f"Failed to clean up file {file_path}: {e}")
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async def _get_original_message(self, item) -> Optional[discord.Message]:
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"""Retrieve the original message"""
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try:
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channel = self.bot.get_channel(item.channel_id)
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if not channel:
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return None
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return await channel.fetch_message(item.message_id)
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except discord.NotFound:
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return None
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except Exception as e:
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logger.error(f"Error fetching original message: {e}")
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return None
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def _create_progress_callback(self, message: Optional[discord.Message], url: str):
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"""Create progress callback function for download tracking"""
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def progress_callback(progress: float) -> None:
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if message:
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try:
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loop = asyncio.get_running_loop()
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if not loop.is_running():
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logger.warning("Event loop is not running, skipping progress update")
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return
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# Update progress tracking
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self.progress_tracker.update_download_progress(url, {
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'percent': progress,
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'last_update': datetime.utcnow().isoformat()
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})
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# Create task to update reaction
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asyncio.run_coroutine_threadsafe(
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self._update_download_progress_reaction(message, progress),
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loop
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)
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except Exception as e:
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logger.error(f"Error in progress callback: {e}")
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return progress_callback
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async def _download_video(self, downloader, url: str, progress_callback) -> Tuple[bool, Optional[str], Optional[str]]:
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"""Download video with progress tracking"""
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download_task = asyncio.create_task(
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downloader.download_video(url, progress_callback=progress_callback)
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)
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async with self._active_downloads_lock:
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self._active_downloads[url] = download_task
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try:
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success, file_path, error = await download_task
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if success:
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self.progress_tracker.complete_download(url)
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else:
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self.progress_tracker.increment_download_retries(url)
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return success, file_path, error
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except asyncio.CancelledError:
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logger.info(f"Download cancelled for {url}")
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return False, None, "Download cancelled"
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except Exception as e:
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logger.error(f"Download error: {str(e)}")
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return False, None, f"Download error: {str(e)}"
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finally:
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async with self._active_downloads_lock:
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self._active_downloads.pop(url, None)
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async def _archive_video(self, guild_id: int, original_message: Optional[discord.Message],
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message_manager, url: str, file_path: str) -> Tuple[bool, Optional[str]]:
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"""Archive downloaded video"""
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try:
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# Get archive channel
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guild = self.bot.get_guild(guild_id)
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if not guild:
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return False, f"Guild {guild_id} not found"
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archive_channel = await self.config.get_channel(guild, "archive")
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if not archive_channel:
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return False, "Archive channel not configured"
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# Format message
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try:
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author = original_message.author if original_message else None
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channel = original_message.channel if original_message else None
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message = await message_manager.format_message(
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author=author, channel=channel, url=url
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)
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except Exception as e:
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return False, f"Failed to format message: {str(e)}"
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# Upload to archive channel
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if not os.path.exists(file_path):
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return False, "Processed file not found"
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await archive_channel.send(content=message, file=discord.File(file_path))
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if original_message:
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await original_message.remove_reaction(REACTIONS["processing"], self.bot.user)
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await original_message.add_reaction(REACTIONS["success"])
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logger.info(f"Successfully processed message {original_message.id}")
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return True, None
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except discord.HTTPException as e:
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if original_message:
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await original_message.add_reaction(REACTIONS["error"])
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logger.error(f"Failed to upload to Discord: {str(e)}")
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return False, f"Failed to upload to Discord: {str(e)}"
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except Exception as e:
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if original_message:
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await original_message.add_reaction(REACTIONS["error"])
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logger.error(f"Failed to archive video: {str(e)}")
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return False, f"Failed to archive video: {str(e)}"
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async def cleanup(self):
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"""Clean up resources and stop processing"""
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try:
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logger.info("Starting QueueHandler cleanup...")
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self._unloading = True
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# Cancel all active downloads
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async with self._active_downloads_lock:
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for url, task in list(self._active_downloads.items()):
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if not task.done():
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task.cancel()
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try:
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await task
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except asyncio.CancelledError:
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pass
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except Exception as e:
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logger.error(f"Error cancelling download task for {url}: {e}")
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self._active_downloads.clear()
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logger.info("QueueHandler cleanup completed successfully")
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except Exception as e:
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logger.error(f"Error during QueueHandler cleanup: {str(e)}", exc_info=True)
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raise
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async def force_cleanup(self):
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"""Force cleanup of resources when normal cleanup fails"""
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try:
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logger.info("Starting force cleanup of QueueHandler...")
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self._unloading = True
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# Force cancel all active downloads
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for url, task in list(self._active_downloads.items()):
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if not task.done():
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task.cancel()
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self._active_downloads.clear()
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logger.info("QueueHandler force cleanup completed")
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except Exception as e:
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logger.error(f"Error during QueueHandler force cleanup: {str(e)}", exc_info=True)
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async def _update_download_progress_reaction(self, message: discord.Message, progress: float):
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"""Update download progress reaction on message"""
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if not message:
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return
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try:
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# Remove old reactions
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for reaction in REACTIONS["download"]:
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try:
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await message.remove_reaction(reaction, self.bot.user)
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except Exception as e:
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logger.error(f"Failed to remove download reaction: {e}")
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continue
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# Add new reaction based on progress
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try:
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if progress <= 20:
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await message.add_reaction(REACTIONS["download"][0])
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elif progress <= 40:
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await message.add_reaction(REACTIONS["download"][1])
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elif progress <= 60:
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await message.add_reaction(REACTIONS["download"][2])
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elif progress <= 80:
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await message.add_reaction(REACTIONS["download"][3])
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elif progress < 100:
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await message.add_reaction(REACTIONS["download"][4])
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else:
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await message.add_reaction(REACTIONS["download"][5])
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except Exception as e:
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logger.error(f"Failed to add download reaction: {e}")
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except Exception as e:
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logger.error(f"Failed to update download progress reaction: {e}")
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