mirror of
https://github.com/willmiao/ComfyUI-Lora-Manager.git
synced 2026-03-22 05:32:12 -03:00
251 lines
10 KiB
Python
251 lines
10 KiB
Python
from operator import itemgetter
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import os
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import logging
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import asyncio
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from watchdog.observers import Observer
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from watchdog.events import FileSystemEventHandler, FileCreatedEvent, FileDeletedEvent
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from typing import List
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from threading import Lock
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from .lora_scanner import LoraScanner
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from ..config import config
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logger = logging.getLogger(__name__)
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class LoraFileHandler(FileSystemEventHandler):
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"""Handler for LoRA file system events"""
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def __init__(self, scanner: LoraScanner, loop: asyncio.AbstractEventLoop):
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self.scanner = scanner
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self.loop = loop # 存储事件循环引用
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self.pending_changes = set() # 待处理的变更
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self.lock = Lock() # 线程安全锁
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self.update_task = None # 异步更新任务
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self._ignore_paths = {} # Change to dictionary to store expiration times
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self._min_ignore_timeout = 5 # minimum timeout in seconds
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self._download_speed = 1024 * 1024 # assume 1MB/s as base speed
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def _should_ignore(self, path: str) -> bool:
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"""Check if path should be ignored"""
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real_path = os.path.realpath(path) # Resolve any symbolic links
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normalized_path = real_path.replace(os.sep, '/')
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# Also check with backslashes for Windows compatibility
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alt_path = real_path.replace('/', '\\')
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current_time = asyncio.get_event_loop().time()
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# Check if path is in ignore list and not expired
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if normalized_path in self._ignore_paths and self._ignore_paths[normalized_path] > current_time:
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return True
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# Also check alternative path format
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if alt_path in self._ignore_paths and self._ignore_paths[alt_path] > current_time:
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return True
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return False
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def add_ignore_path(self, path: str, file_size: int = 0):
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"""Add path to ignore list with dynamic timeout based on file size"""
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real_path = os.path.realpath(path) # Resolve any symbolic links
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normalized_path = real_path.replace(os.sep, '/')
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# Calculate timeout based on file size
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# For small files, use minimum timeout
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# For larger files, estimate download time + buffer
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if file_size > 0:
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# Estimate download time in seconds (size / speed) + buffer
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estimated_time = (file_size / self._download_speed) + 10
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timeout = max(self._min_ignore_timeout, estimated_time)
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else:
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timeout = self._min_ignore_timeout
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# Store expiration time instead of just the path
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current_time = asyncio.get_event_loop().time()
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expiration_time = current_time + timeout
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# Store both normalized and alternative path formats
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self._ignore_paths[normalized_path] = expiration_time
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# Also store with backslashes for Windows compatibility
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alt_path = real_path.replace('/', '\\')
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self._ignore_paths[alt_path] = expiration_time
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logger.debug(f"Added ignore path: {normalized_path} (expires in {timeout:.1f}s)")
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# Schedule cleanup after timeout
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asyncio.get_event_loop().call_later(
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timeout,
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self._remove_ignore_path,
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normalized_path
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)
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def _remove_ignore_path(self, path: str):
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"""Remove path from ignore list after timeout"""
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if path in self._ignore_paths:
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del self._ignore_paths[path]
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logger.debug(f"Removed ignore path: {path}")
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# Also remove alternative path format
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alt_path = path.replace('/', '\\')
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if alt_path in self._ignore_paths:
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del self._ignore_paths[alt_path]
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def on_created(self, event):
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if event.is_directory or not event.src_path.endswith('.safetensors'):
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return
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if self._should_ignore(event.src_path):
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return
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logger.info(f"LoRA file created: {event.src_path}")
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self._schedule_update('add', event.src_path)
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def on_deleted(self, event):
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if event.is_directory or not event.src_path.endswith('.safetensors'):
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return
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if self._should_ignore(event.src_path):
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return
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logger.info(f"LoRA file deleted: {event.src_path}")
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self._schedule_update('remove', event.src_path)
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def _schedule_update(self, action: str, file_path: str): #file_path is a real path
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"""Schedule a cache update"""
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with self.lock:
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# 使用 config 中的方法映射路径
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mapped_path = config.map_path_to_link(file_path)
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normalized_path = mapped_path.replace(os.sep, '/')
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self.pending_changes.add((action, normalized_path))
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self.loop.call_soon_threadsafe(self._create_update_task)
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def _create_update_task(self):
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"""Create update task in the event loop"""
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if self.update_task is None or self.update_task.done():
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self.update_task = asyncio.create_task(self._process_changes())
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async def _process_changes(self, delay: float = 2.0):
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"""Process pending changes with debouncing"""
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await asyncio.sleep(delay)
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try:
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with self.lock:
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changes = self.pending_changes.copy()
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self.pending_changes.clear()
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if not changes:
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return
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logger.info(f"Processing {len(changes)} file changes")
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cache = await self.scanner.get_cached_data()
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needs_resort = False
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new_folders = set()
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for action, file_path in changes:
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try:
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if action == 'add':
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# Scan new file
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lora_data = await self.scanner.scan_single_lora(file_path)
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if lora_data:
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# Update tags count
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for tag in lora_data.get('tags', []):
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self.scanner._tags_count[tag] = self.scanner._tags_count.get(tag, 0) + 1
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cache.raw_data.append(lora_data)
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new_folders.add(lora_data['folder'])
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# Update hash index
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if 'sha256' in lora_data:
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self.scanner._hash_index.add_entry(
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lora_data['sha256'],
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lora_data['file_path']
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)
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needs_resort = True
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elif action == 'remove':
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# Find the lora to remove so we can update tags count
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lora_to_remove = next((item for item in cache.raw_data if item['file_path'] == file_path), None)
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if lora_to_remove:
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# Update tags count by reducing counts
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for tag in lora_to_remove.get('tags', []):
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if tag in self.scanner._tags_count:
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self.scanner._tags_count[tag] = max(0, self.scanner._tags_count[tag] - 1)
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if self.scanner._tags_count[tag] == 0:
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del self.scanner._tags_count[tag]
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# Remove from cache and hash index
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logger.info(f"Removing {file_path} from cache")
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self.scanner._hash_index.remove_by_path(file_path)
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cache.raw_data = [
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item for item in cache.raw_data
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if item['file_path'] != file_path
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]
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needs_resort = True
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except Exception as e:
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logger.error(f"Error processing {action} for {file_path}: {e}")
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if needs_resort:
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await cache.resort()
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# Update folder list
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all_folders = set(cache.folders) | new_folders
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cache.folders = sorted(list(all_folders), key=lambda x: x.lower())
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except Exception as e:
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logger.error(f"Error in process_changes: {e}")
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class LoraFileMonitor:
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"""Monitor for LoRA file changes"""
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def __init__(self, scanner: LoraScanner, roots: List[str]):
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self.scanner = scanner
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scanner.set_file_monitor(self)
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self.observer = Observer()
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self.loop = asyncio.get_event_loop()
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self.handler = LoraFileHandler(scanner, self.loop)
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# 使用已存在的路径映射
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self.monitor_paths = set()
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for root in roots:
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self.monitor_paths.add(os.path.realpath(root).replace(os.sep, '/'))
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# 添加所有已映射的目标路径
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for target_path in config._path_mappings.keys():
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self.monitor_paths.add(target_path)
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def start(self):
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"""Start monitoring"""
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for path_info in self.monitor_paths:
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try:
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if isinstance(path_info, tuple):
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# 对于链接，监控目标路径
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_, target_path = path_info
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self.observer.schedule(self.handler, target_path, recursive=True)
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logger.info(f"Started monitoring target path: {target_path}")
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else:
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# 对于普通路径，直接监控
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self.observer.schedule(self.handler, path_info, recursive=True)
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logger.info(f"Started monitoring: {path_info}")
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except Exception as e:
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logger.error(f"Error monitoring {path_info}: {e}")
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self.observer.start()
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def stop(self):
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"""Stop monitoring"""
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self.observer.stop()
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self.observer.join()
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def rescan_links(self):
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"""重新扫描链接（当添加新的链接时调用）"""
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new_paths = set()
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for path in self.monitor_paths.copy():
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self._add_link_targets(path)
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# 添加新发现的路径到监控
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new_paths = self.monitor_paths - set(self.observer.watches.keys())
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for path in new_paths:
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try:
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self.observer.schedule(self.handler, path, recursive=True)
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logger.info(f"Added new monitoring path: {path}")
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except Exception as e:
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logger.error(f"Error adding new monitor for {path}: {e}") |