Files
ComfyUI-Lora-Manager/py/services/metadata_service.py
Will Miao 3fde474583 feat(civitai): add rate limiting support and error handling
- Add RateLimitError import and _make_request wrapper method to handle rate limiting
- Update API methods to use _make_request wrapper instead of direct downloader calls
- Add explicit RateLimitError handling in API methods to properly propagate rate limit errors
- Add _extract_retry_after method to parse Retry-After headers
- Improve error handling by surfacing rate limit information to callers

These changes ensure that rate limiting from the Civitai API is properly detected and handled, allowing callers to implement appropriate backoff strategies when rate limits are encountered.
2025-10-14 21:38:24 +08:00

123 lines
5.5 KiB
Python

import os
import logging
from .model_metadata_provider import (
ModelMetadataProvider,
ModelMetadataProviderManager,
SQLiteModelMetadataProvider,
CivitaiModelMetadataProvider,
CivArchiveModelMetadataProvider,
FallbackMetadataProvider
)
from .settings_manager import get_settings_manager
from .metadata_archive_manager import MetadataArchiveManager
from .service_registry import ServiceRegistry
logger = logging.getLogger(__name__)
async def initialize_metadata_providers():
"""Initialize and configure all metadata providers based on settings"""
provider_manager = await ModelMetadataProviderManager.get_instance()
# Clear existing providers to allow reinitialization
provider_manager.providers.clear()
provider_manager.default_provider = None
# Get settings
settings_manager = get_settings_manager()
enable_archive_db = settings_manager.get('enable_metadata_archive_db', False)
providers = []
# Initialize archive database provider if enabled
if enable_archive_db:
try:
# Initialize archive manager
base_path = os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
archive_manager = MetadataArchiveManager(base_path)
db_path = archive_manager.get_database_path()
if db_path and os.path.exists(db_path):
sqlite_provider = SQLiteModelMetadataProvider(db_path)
provider_manager.register_provider('sqlite', sqlite_provider)
providers.append(('sqlite', sqlite_provider))
logger.debug(f"SQLite metadata provider registered with database: {db_path}")
else:
logger.warning("Metadata archive database is enabled but database file not found")
except Exception as e:
logger.error(f"Failed to initialize SQLite metadata provider: {e}")
# Initialize Civitai API provider (always available as fallback)
try:
civitai_client = await ServiceRegistry.get_civitai_client()
civitai_provider = CivitaiModelMetadataProvider(civitai_client)
provider_manager.register_provider('civitai_api', civitai_provider)
providers.append(('civitai_api', civitai_provider))
logger.debug("Civitai API metadata provider registered")
except Exception as e:
logger.error(f"Failed to initialize Civitai API metadata provider: {e}")
# Register CivArchive provider, and all add to fallback providers
try:
civarchive_client = await ServiceRegistry.get_civarchive_client()
civarchive_provider = CivArchiveModelMetadataProvider(civarchive_client)
provider_manager.register_provider('civarchive_api', civarchive_provider)
providers.append(('civarchive_api', civarchive_provider))
logger.debug("CivArchive metadata provider registered (also included in fallback)")
except Exception as e:
logger.error(f"Failed to initialize CivArchive metadata provider: {e}")
# Set up fallback provider based on available providers
if len(providers) > 1:
# Always use Civitai API (it has better metadata), then CivArchive API, then Archive DB
ordered_providers: list[tuple[str, ModelMetadataProvider]] = []
ordered_providers.extend([p for p in providers if p[0] == 'civitai_api'])
ordered_providers.extend([p for p in providers if p[0] == 'civarchive_api'])
ordered_providers.extend([p for p in providers if p[0] == 'sqlite'])
if ordered_providers:
fallback_provider = FallbackMetadataProvider(ordered_providers)
provider_manager.register_provider('fallback', fallback_provider, is_default=True)
elif len(providers) == 1:
# Only one provider available, set it as default
provider_name, provider = providers[0]
provider_manager.register_provider(provider_name, provider, is_default=True)
logger.debug(f"Single metadata provider registered as default: {provider_name}")
else:
logger.warning("No metadata providers available - this may cause metadata lookup failures")
return provider_manager
async def update_metadata_providers():
"""Update metadata providers based on current settings"""
try:
# Get current settings
settings_manager = get_settings_manager()
enable_archive_db = settings_manager.get('enable_metadata_archive_db', False)
# Reinitialize all providers with new settings
provider_manager = await initialize_metadata_providers()
logger.info(f"Updated metadata providers, archive_db enabled: {enable_archive_db}")
return provider_manager
except Exception as e:
logger.error(f"Failed to update metadata providers: {e}")
return await ModelMetadataProviderManager.get_instance()
async def get_metadata_archive_manager():
"""Get metadata archive manager instance"""
base_path = os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
return MetadataArchiveManager(base_path)
async def get_metadata_provider(provider_name: str = None):
"""Get a specific metadata provider or default provider"""
provider_manager = await ModelMetadataProviderManager.get_instance()
if provider_name:
return provider_manager._get_provider(provider_name)
return provider_manager._get_provider()
async def get_default_metadata_provider():
"""Get the default metadata provider (fallback or single provider)"""
return await get_metadata_provider()