mirror of
https://github.com/willmiao/ComfyUI-Lora-Manager.git
synced 2026-04-10 04:42:14 -03:00
463 lines
19 KiB
Python
463 lines
19 KiB
Python
import os
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import json
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import time
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import asyncio
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import logging
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import datetime
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import shutil
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from typing import Dict, Set
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from ..config import config
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from ..services.service_registry import ServiceRegistry
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# Check if running in standalone mode
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standalone_mode = os.environ.get("LORA_MANAGER_STANDALONE", "0") == "1" or os.environ.get("HF_HUB_DISABLE_TELEMETRY", "0") == "0"
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# Define constants locally to avoid dependency on conditional imports
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MODELS = "models"
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LORAS = "loras"
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if not standalone_mode:
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from ..metadata_collector.metadata_registry import MetadataRegistry
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# Import constants from metadata_collector to ensure consistency, but we have fallbacks defined above
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try:
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from ..metadata_collector.constants import MODELS as _MODELS, LORAS as _LORAS
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MODELS = _MODELS
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LORAS = _LORAS
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except ImportError:
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pass # Use the local definitions
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logger = logging.getLogger(__name__)
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class UsageStats:
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"""Track usage statistics for models and save to JSON"""
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_instance = None
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_lock = asyncio.Lock() # For thread safety
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# Default stats file name
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STATS_FILENAME = "lora_manager_stats.json"
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BACKUP_SUFFIX = ".backup"
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def __new__(cls):
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if cls._instance is None:
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cls._instance = super().__new__(cls)
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cls._instance._initialized = False
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return cls._instance
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def __init__(self):
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if self._initialized:
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return
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# Initialize stats storage
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self.stats = {
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"checkpoints": {}, # sha256 -> { total: count, history: { date: count } }
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"loras": {}, # sha256 -> { total: count, history: { date: count } }
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"total_executions": 0,
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"last_save_time": 0
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}
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# Track if stats have been modified since last save
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self._is_dirty = False
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# Queue for prompt_ids to process
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self.pending_prompt_ids = set()
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# Load existing stats if available
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self._stats_file_path = self._get_stats_file_path()
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self._load_stats()
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# Save interval in seconds
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self.save_interval = 90 # 1.5 minutes
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# Start background task to process queued prompt_ids
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self._bg_task = asyncio.create_task(self._background_processor())
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self._initialized = True
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logger.debug("Usage statistics tracker initialized")
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def _get_stats_file_path(self) -> str:
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"""Get the path to the stats JSON file"""
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if not config.loras_roots or len(config.loras_roots) == 0:
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# If no lora roots are available, we can't save stats
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# This will be handled by the caller
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raise RuntimeError("No LoRA root directories configured. Cannot initialize usage statistics.")
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# Use the first lora root
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return os.path.join(config.loras_roots[0], self.STATS_FILENAME)
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def _backup_old_stats(self):
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"""Backup the old stats file before conversion"""
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if os.path.exists(self._stats_file_path):
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backup_path = f"{self._stats_file_path}{self.BACKUP_SUFFIX}"
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try:
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shutil.copy2(self._stats_file_path, backup_path)
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logger.info(f"Backed up old stats file to {backup_path}")
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return True
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except Exception as e:
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logger.error(f"Failed to backup stats file: {e}")
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return False
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def _convert_old_format(self, old_stats):
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"""Convert old stats format to new format with history"""
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new_stats = {
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"checkpoints": {},
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"loras": {},
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"total_executions": old_stats.get("total_executions", 0),
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"last_save_time": old_stats.get("last_save_time", time.time())
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}
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# Get today's date in YYYY-MM-DD format
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today = datetime.datetime.now().strftime("%Y-%m-%d")
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# Convert checkpoint stats
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if "checkpoints" in old_stats and isinstance(old_stats["checkpoints"], dict):
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for hash_id, count in old_stats["checkpoints"].items():
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new_stats["checkpoints"][hash_id] = {
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"total": count,
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"history": {
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today: count
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}
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}
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# Convert lora stats
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if "loras" in old_stats and isinstance(old_stats["loras"], dict):
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for hash_id, count in old_stats["loras"].items():
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new_stats["loras"][hash_id] = {
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"total": count,
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"history": {
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today: count
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}
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}
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logger.info("Successfully converted stats from old format to new format with history")
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return new_stats
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def _is_old_format(self, stats):
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"""Check if the stats are in the old format (direct count values)"""
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# Check if any lora or checkpoint entry is a direct number instead of an object
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if "loras" in stats and isinstance(stats["loras"], dict):
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for hash_id, data in stats["loras"].items():
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if isinstance(data, (int, float)):
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return True
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if "checkpoints" in stats and isinstance(stats["checkpoints"], dict):
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for hash_id, data in stats["checkpoints"].items():
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if isinstance(data, (int, float)):
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return True
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return False
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def _load_stats(self):
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"""Load existing statistics from file"""
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try:
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if os.path.exists(self._stats_file_path):
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with open(self._stats_file_path, 'r', encoding='utf-8') as f:
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loaded_stats = json.load(f)
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# Check if old format and needs conversion
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if self._is_old_format(loaded_stats):
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logger.info("Detected old stats format, performing conversion")
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self._backup_old_stats()
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self.stats = self._convert_old_format(loaded_stats)
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else:
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# Update our stats with loaded data (already in new format)
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if isinstance(loaded_stats, dict):
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# Update individual sections to maintain structure
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if "checkpoints" in loaded_stats and isinstance(loaded_stats["checkpoints"], dict):
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self.stats["checkpoints"] = loaded_stats["checkpoints"]
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if "loras" in loaded_stats and isinstance(loaded_stats["loras"], dict):
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self.stats["loras"] = loaded_stats["loras"]
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if "total_executions" in loaded_stats:
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self.stats["total_executions"] = loaded_stats["total_executions"]
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if "last_save_time" in loaded_stats:
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self.stats["last_save_time"] = loaded_stats["last_save_time"]
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logger.debug(f"Loaded usage statistics from {self._stats_file_path}")
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except Exception as e:
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logger.error(f"Error loading usage statistics: {e}")
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async def save_stats(self, force=False):
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"""Save statistics to file"""
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try:
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# Only save if:
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# 1. force is True, OR
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# 2. stats have been modified (is_dirty) AND save_interval has passed
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current_time = time.time()
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time_since_last_save = current_time - self.stats.get("last_save_time", 0)
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if not force:
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if not self._is_dirty:
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# No changes to save
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return False
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if time_since_last_save < self.save_interval:
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# Too soon since last save
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return False
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# Use a lock to prevent concurrent writes
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async with self._lock:
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# Update last save time
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self.stats["last_save_time"] = current_time
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# Create directory if it doesn't exist
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os.makedirs(os.path.dirname(self._stats_file_path), exist_ok=True)
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# Write to a temporary file first, then move it to avoid corruption
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temp_path = f"{self._stats_file_path}.tmp"
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with open(temp_path, 'w', encoding='utf-8') as f:
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json.dump(self.stats, f, indent=2, ensure_ascii=False)
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# Replace the old file with the new one
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os.replace(temp_path, self._stats_file_path)
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# Clear dirty flag since we've saved
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self._is_dirty = False
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logger.debug(f"Saved usage statistics to {self._stats_file_path}")
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return True
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except Exception as e:
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logger.error(f"Error saving usage statistics: {e}", exc_info=True)
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return False
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def register_execution(self, prompt_id):
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"""Register a completed execution by prompt_id for later processing"""
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if prompt_id:
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self.pending_prompt_ids.add(prompt_id)
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async def _background_processor(self):
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"""Background task to process queued prompt_ids"""
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try:
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while True:
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# Wait a short interval before checking for new prompt_ids
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await asyncio.sleep(5) # Check every 5 seconds
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# Process any pending prompt_ids
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if self.pending_prompt_ids:
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async with self._lock:
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# Get a copy of the set and clear original
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prompt_ids = self.pending_prompt_ids.copy()
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self.pending_prompt_ids.clear()
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# Process each prompt_id
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try:
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registry = MetadataRegistry()
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except NameError:
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# MetadataRegistry not available (standalone mode)
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registry = None
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if registry:
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for prompt_id in prompt_ids:
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try:
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metadata = registry.get_metadata(prompt_id)
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await self._process_metadata(metadata)
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except Exception as e:
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logger.error(f"Error processing prompt_id {prompt_id}: {e}")
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# Periodically save stats (only if there are changes)
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if self._is_dirty:
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await self.save_stats()
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except asyncio.CancelledError:
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# Task was cancelled, clean up
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await self.save_stats(force=True)
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except Exception as e:
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logger.error(f"Error in background processing task: {e}", exc_info=True)
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# Restart the task after a delay if it fails
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asyncio.create_task(self._restart_background_task())
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async def _restart_background_task(self):
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"""Restart the background task after a delay"""
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await asyncio.sleep(30) # Wait 30 seconds before restarting
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self._bg_task = asyncio.create_task(self._background_processor())
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async def _process_metadata(self, metadata):
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"""Process metadata from an execution"""
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if not metadata or not isinstance(metadata, dict):
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return
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# Increment total executions count
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self.stats["total_executions"] += 1
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self._is_dirty = True
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# Get today's date in YYYY-MM-DD format
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today = datetime.datetime.now().strftime("%Y-%m-%d")
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# Process checkpoints
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if MODELS in metadata and isinstance(metadata[MODELS], dict):
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await self._process_checkpoints(metadata[MODELS], today)
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# Process loras
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if LORAS in metadata and isinstance(metadata[LORAS], dict):
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await self._process_loras(metadata[LORAS], today)
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def _increment_usage_counter(self, category: str, stat_key: str, today_date: str) -> None:
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"""Increment usage counters for a resolved stats key."""
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if stat_key not in self.stats[category]:
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self.stats[category][stat_key] = {
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"total": 0,
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"history": {}
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}
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self.stats[category][stat_key]["total"] += 1
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if today_date not in self.stats[category][stat_key]["history"]:
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self.stats[category][stat_key]["history"][today_date] = 0
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self.stats[category][stat_key]["history"][today_date] += 1
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def _normalize_model_lookup_name(self, model_name: str) -> str:
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"""Normalize a model reference to its base filename without extension."""
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return os.path.splitext(os.path.basename(model_name))[0]
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async def _find_cached_checkpoint_entry(self, checkpoint_scanner, model_name: str):
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"""Best-effort lookup for a checkpoint cache entry by filename/model name."""
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get_cached_data = getattr(checkpoint_scanner, "get_cached_data", None)
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if not callable(get_cached_data):
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return None
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cache = await get_cached_data()
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raw_data = getattr(cache, "raw_data", None)
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if not isinstance(raw_data, list):
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return None
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normalized_name = self._normalize_model_lookup_name(model_name)
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for entry in raw_data:
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if not isinstance(entry, dict):
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continue
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for candidate_key in ("file_name", "model_name", "file_path"):
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candidate_value = entry.get(candidate_key)
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if not candidate_value or not isinstance(candidate_value, str):
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continue
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if self._normalize_model_lookup_name(candidate_value) == normalized_name:
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return entry
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return None
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async def _resolve_checkpoint_hash(self, checkpoint_scanner, model_name: str):
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"""Resolve a checkpoint hash, calculating pending hashes on demand when needed."""
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model_filename = self._normalize_model_lookup_name(model_name)
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model_hash = checkpoint_scanner.get_hash_by_filename(model_filename)
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if model_hash:
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return model_hash
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cached_entry = await self._find_cached_checkpoint_entry(checkpoint_scanner, model_name)
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if not cached_entry:
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logger.warning(f"No hash found for checkpoint '{model_filename}', skipping usage tracking")
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return None
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cached_hash = cached_entry.get("sha256")
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if cached_hash:
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return cached_hash
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if cached_entry.get("hash_status") == "pending":
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calculate_hash = getattr(checkpoint_scanner, "calculate_hash_for_model", None)
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file_path = cached_entry.get("file_path")
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if callable(calculate_hash) and file_path:
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calculated_hash = await calculate_hash(file_path)
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if calculated_hash:
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return calculated_hash
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logger.warning(
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f"Failed to calculate pending hash for checkpoint '{model_filename}', skipping usage tracking"
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)
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return None
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logger.warning(f"No hash found for checkpoint '{model_filename}', skipping usage tracking")
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return None
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async def _process_checkpoints(self, models_data, today_date):
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"""Process checkpoint models from metadata"""
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try:
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# Get checkpoint scanner service
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checkpoint_scanner = await ServiceRegistry.get_checkpoint_scanner()
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if not checkpoint_scanner:
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logger.warning("Checkpoint scanner not available for usage tracking")
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return
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for node_id, model_info in models_data.items():
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if not isinstance(model_info, dict):
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continue
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# Check if this is a checkpoint model
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model_type = model_info.get("type")
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if model_type == "checkpoint":
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model_name = model_info.get("name")
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if not model_name:
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continue
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model_hash = await self._resolve_checkpoint_hash(checkpoint_scanner, model_name)
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if not model_hash:
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continue
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self._increment_usage_counter("checkpoints", model_hash, today_date)
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except Exception as e:
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logger.error(f"Error processing checkpoint usage: {e}", exc_info=True)
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async def _process_loras(self, loras_data, today_date):
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"""Process LoRA models from metadata"""
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try:
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# Get LoRA scanner service
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lora_scanner = await ServiceRegistry.get_lora_scanner()
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if not lora_scanner:
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logger.warning("LoRA scanner not available for usage tracking")
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return
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for node_id, lora_info in loras_data.items():
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if not isinstance(lora_info, dict):
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continue
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# Get the list of LoRAs from standardized format
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lora_list = lora_info.get("lora_list", [])
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for lora in lora_list:
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if not isinstance(lora, dict):
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continue
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lora_name = lora.get("name")
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if not lora_name:
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continue
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# Get hash for this LoRA
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lora_hash = lora_scanner.get_hash_by_filename(lora_name)
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if not lora_hash:
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logger.warning(f"No hash found for LoRA '{lora_name}', skipping usage tracking")
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continue
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self._increment_usage_counter("loras", lora_hash, today_date)
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except Exception as e:
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logger.error(f"Error processing LoRA usage: {e}", exc_info=True)
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async def get_stats(self):
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"""Get current usage statistics"""
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return self.stats
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async def get_model_usage_count(self, model_type, sha256):
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"""Get usage count for a specific model by hash"""
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if model_type == "checkpoint":
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if sha256 in self.stats["checkpoints"]:
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return self.stats["checkpoints"][sha256]["total"]
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elif model_type == "lora":
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if sha256 in self.stats["loras"]:
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return self.stats["loras"][sha256]["total"]
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return 0
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async def process_execution(self, prompt_id):
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"""Process a prompt execution immediately (synchronous approach)"""
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if not prompt_id:
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return
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if standalone_mode:
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# Usage statistics are not available in standalone mode
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return
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try:
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# Process metadata for this prompt_id
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registry = MetadataRegistry()
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metadata = registry.get_metadata(prompt_id)
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if metadata:
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await self._process_metadata(metadata)
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# Save stats if needed
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await self.save_stats()
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except Exception as e:
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logger.error(f"Error processing prompt_id {prompt_id}: {e}", exc_info=True)
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