Files
ComfyUI-Lora-Manager/py/services/base_model_service.py
Will Miao a2b81ea099 refactor: Implement base model routes and services for LoRA and Checkpoint
- Added BaseModelRoutes class to handle common routes and logic for model types.
- Created CheckpointRoutes class inheriting from BaseModelRoutes for checkpoint-specific routes.
- Implemented CheckpointService class for handling checkpoint-related data and operations.
- Developed LoraService class for managing LoRA-specific functionalities.
- Introduced ModelServiceFactory to manage service and route registrations for different model types.
- Established methods for fetching, filtering, and formatting model data across services.
- Integrated CivitAI metadata handling within model routes and services.
- Added pagination and filtering capabilities for model data retrieval.
2025-07-23 14:39:02 +08:00

248 lines
9.7 KiB
Python

from abc import ABC, abstractmethod
from typing import Dict, List, Optional, Type, Set
import logging
from ..utils.models import BaseModelMetadata
from ..utils.constants import NSFW_LEVELS
from .settings_manager import settings
from ..utils.utils import fuzzy_match
logger = logging.getLogger(__name__)
class BaseModelService(ABC):
"""Base service class for all model types"""
def __init__(self, model_type: str, scanner, metadata_class: Type[BaseModelMetadata]):
"""Initialize the service
Args:
model_type: Type of model (lora, checkpoint, etc.)
scanner: Model scanner instance
metadata_class: Metadata class for this model type
"""
self.model_type = model_type
self.scanner = scanner
self.metadata_class = metadata_class
async def get_paginated_data(self, page: int, page_size: int, sort_by: str = 'name',
folder: str = None, search: str = None, fuzzy_search: bool = False,
base_models: list = None, tags: list = None,
search_options: dict = None, hash_filters: dict = None,
favorites_only: bool = False, **kwargs) -> Dict:
"""Get paginated and filtered model data
Args:
page: Page number (1-based)
page_size: Number of items per page
sort_by: Sort criteria ('name' or 'date')
folder: Folder filter
search: Search term
fuzzy_search: Whether to use fuzzy search
base_models: List of base models to filter by
tags: List of tags to filter by
search_options: Search options dict
hash_filters: Hash filtering options
favorites_only: Filter for favorites only
**kwargs: Additional model-specific filters
Returns:
Dict containing paginated results
"""
cache = await self.scanner.get_cached_data()
# Get default search options if not provided
if search_options is None:
search_options = {
'filename': True,
'modelname': True,
'tags': False,
'recursive': False,
}
# Get the base data set
filtered_data = cache.sorted_by_date if sort_by == 'date' else cache.sorted_by_name
# Apply hash filtering if provided (highest priority)
if hash_filters:
filtered_data = await self._apply_hash_filters(filtered_data, hash_filters)
# Jump to pagination for hash filters
return self._paginate(filtered_data, page, page_size)
# Apply common filters
filtered_data = await self._apply_common_filters(
filtered_data, folder, base_models, tags, favorites_only, search_options
)
# Apply search filtering
if search:
filtered_data = await self._apply_search_filters(
filtered_data, search, fuzzy_search, search_options
)
# Apply model-specific filters
filtered_data = await self._apply_specific_filters(filtered_data, **kwargs)
return self._paginate(filtered_data, page, page_size)
async def _apply_hash_filters(self, data: List[Dict], hash_filters: Dict) -> List[Dict]:
"""Apply hash-based filtering"""
single_hash = hash_filters.get('single_hash')
multiple_hashes = hash_filters.get('multiple_hashes')
if single_hash:
# Filter by single hash
single_hash = single_hash.lower()
return [
item for item in data
if item.get('sha256', '').lower() == single_hash
]
elif multiple_hashes:
# Filter by multiple hashes
hash_set = set(hash.lower() for hash in multiple_hashes)
return [
item for item in data
if item.get('sha256', '').lower() in hash_set
]
return data
async def _apply_common_filters(self, data: List[Dict], folder: str = None,
base_models: list = None, tags: list = None,
favorites_only: bool = False, search_options: dict = None) -> List[Dict]:
"""Apply common filters that work across all model types"""
# Apply SFW filtering if enabled in settings
if settings.get('show_only_sfw', False):
data = [
item for item in data
if not item.get('preview_nsfw_level') or item.get('preview_nsfw_level') < NSFW_LEVELS['R']
]
# Apply favorites filtering if enabled
if favorites_only:
data = [
item for item in data
if item.get('favorite', False) is True
]
# Apply folder filtering
if folder is not None:
if search_options and search_options.get('recursive', False):
# Recursive folder filtering - include all subfolders
data = [
item for item in data
if item['folder'].startswith(folder)
]
else:
# Exact folder filtering
data = [
item for item in data
if item['folder'] == folder
]
# Apply base model filtering
if base_models and len(base_models) > 0:
data = [
item for item in data
if item.get('base_model') in base_models
]
# Apply tag filtering
if tags and len(tags) > 0:
data = [
item for item in data
if any(tag in item.get('tags', []) for tag in tags)
]
return data
async def _apply_search_filters(self, data: List[Dict], search: str,
fuzzy_search: bool, search_options: dict) -> List[Dict]:
"""Apply search filtering"""
search_results = []
for item in data:
# Search by file name
if search_options.get('filename', True):
if fuzzy_search:
if fuzzy_match(item.get('file_name', ''), search):
search_results.append(item)
continue
elif search.lower() in item.get('file_name', '').lower():
search_results.append(item)
continue
# Search by model name
if search_options.get('modelname', True):
if fuzzy_search:
if fuzzy_match(item.get('model_name', ''), search):
search_results.append(item)
continue
elif search.lower() in item.get('model_name', '').lower():
search_results.append(item)
continue
# Search by tags
if search_options.get('tags', False) and 'tags' in item:
if any((fuzzy_match(tag, search) if fuzzy_search else search.lower() in tag.lower())
for tag in item['tags']):
search_results.append(item)
continue
return search_results
async def _apply_specific_filters(self, data: List[Dict], **kwargs) -> List[Dict]:
"""Apply model-specific filters - to be overridden by subclasses if needed"""
return data
def _paginate(self, data: List[Dict], page: int, page_size: int) -> Dict:
"""Apply pagination to filtered data"""
total_items = len(data)
start_idx = (page - 1) * page_size
end_idx = min(start_idx + page_size, total_items)
return {
'items': data[start_idx:end_idx],
'total': total_items,
'page': page,
'page_size': page_size,
'total_pages': (total_items + page_size - 1) // page_size
}
@abstractmethod
async def format_response(self, model_data: Dict) -> Dict:
"""Format model data for API response - must be implemented by subclasses"""
pass
# Common service methods that delegate to scanner
async def get_top_tags(self, limit: int = 20) -> List[Dict]:
"""Get top tags sorted by frequency"""
return await self.scanner.get_top_tags(limit)
async def get_base_models(self, limit: int = 20) -> List[Dict]:
"""Get base models sorted by frequency"""
return await self.scanner.get_base_models(limit)
def has_hash(self, sha256: str) -> bool:
"""Check if a model with given hash exists"""
return self.scanner.has_hash(sha256)
def get_path_by_hash(self, sha256: str) -> Optional[str]:
"""Get file path for a model by its hash"""
return self.scanner.get_path_by_hash(sha256)
def get_hash_by_path(self, file_path: str) -> Optional[str]:
"""Get hash for a model by its file path"""
return self.scanner.get_hash_by_path(file_path)
async def scan_models(self, force_refresh: bool = False, rebuild_cache: bool = False):
"""Trigger model scanning"""
return await self.scanner.get_cached_data(force_refresh=force_refresh, rebuild_cache=rebuild_cache)
async def get_model_info_by_name(self, name: str):
"""Get model information by name"""
return await self.scanner.get_model_info_by_name(name)
def get_model_roots(self) -> List[str]:
"""Get model root directories"""
return self.scanner.get_model_roots()