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Refactor metadata handling by introducing MetadataManager for centralized operations and improving error handling

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Will Miao
2025-06-17 21:01:48 +08:00
parent 71df8ba3e2
commit afa5a42f5a
9 changed files with 349 additions and 77 deletions
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26
py/services/model_scanner.py
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@@ -9,7 +9,8 @@ import msgpack # Add MessagePack import for efficient serialization
from ..utils.models import BaseModelMetadata
from ..config import config
from ..utils.file_utils import load_metadata, get_file_info, find_preview_file, save_metadata
from ..utils.file_utils import find_preview_file
from ..utils.metadata_manager import MetadataManager
from .model_cache import ModelCache
from .model_hash_index import ModelHashIndex
from ..utils.constants import PREVIEW_EXTENSIONS
@@ -752,9 +753,9 @@ class ModelScanner:
"""Get model root directories"""
raise NotImplementedError("Subclasses must implement get_model_roots")
async def _get_file_info(self, file_path: str) -> Optional[BaseModelMetadata]:
async def _create_default_metadata(self, file_path: str) -> Optional[BaseModelMetadata]:
"""Get model file info and metadata (extensible for different model types)"""
return await get_file_info(file_path, self.model_class)
return await MetadataManager.create_default_metadata(file_path, self.model_class)
def _calculate_folder(self, file_path: str) -> str:
"""Calculate the folder path for a model file"""
@@ -767,7 +768,7 @@ class ModelScanner:
# Common methods shared between scanners
async def _process_model_file(self, file_path: str, root_path: str) -> Dict:
"""Process a single model file and return its metadata"""
metadata = await load_metadata(file_path, self.model_class)
metadata = await MetadataManager.load_metadata(file_path, self.model_class)
if metadata is None:
civitai_info_path = f"{os.path.splitext(file_path)[0]}.civitai.info"
@@ -783,7 +784,7 @@ class ModelScanner:
metadata = self.model_class.from_civitai_info(version_info, file_info, file_path)
metadata.preview_url = find_preview_file(file_name, os.path.dirname(file_path))
await save_metadata(file_path, metadata)
await MetadataManager.save_metadata(file_path, metadata)
logger.debug(f"Created metadata from .civitai.info for {file_path}")
except Exception as e:
logger.error(f"Error creating metadata from .civitai.info for {file_path}: {e}")
@@ -810,13 +811,13 @@ class ModelScanner:
metadata.modelDescription = version_info['model']['description']
# Save the updated metadata
await save_metadata(file_path, metadata)
await MetadataManager.save_metadata(file_path, metadata)
logger.debug(f"Updated metadata with civitai info for {file_path}")
except Exception as e:
logger.error(f"Error restoring civitai data from .civitai.info for {file_path}: {e}")
if metadata is None:
metadata = await self._get_file_info(file_path)
metadata = await self._create_default_metadata(file_path)
model_data = metadata.to_dict()
@@ -866,9 +867,7 @@ class ModelScanner:
logger.warning(f"Model {model_id} appears to be deleted from Civitai (404 response)")
model_data['civitai_deleted'] = True
metadata_path = os.path.splitext(file_path)[0] + '.metadata.json'
with open(metadata_path, 'w', encoding='utf-8') as f:
json.dump(model_data, f, indent=2, ensure_ascii=False)
await MetadataManager.save_metadata(file_path, model_data)
elif model_metadata:
logger.debug(f"Updating metadata for {file_path} with model ID {model_id}")
@@ -881,9 +880,7 @@ class ModelScanner:
model_data['civitai']['creator'] = model_metadata['creator']
metadata_path = os.path.splitext(file_path)[0] + '.metadata.json'
with open(metadata_path, 'w', encoding='utf-8') as f:
json.dump(model_data, f, indent=2, ensure_ascii=False)
await MetadataManager.save_metadata(file_path, model_data)
except Exception as e:
logger.error(f"Failed to update metadata from Civitai for {file_path}: {e}")
@@ -1049,8 +1046,7 @@ class ModelScanner:
new_preview_path = os.path.join(preview_dir, f"{preview_name}{preview_ext}")
metadata['preview_url'] = new_preview_path.replace(os.sep, '/')
with open(metadata_path, 'w', encoding='utf-8') as f:
json.dump(metadata, f, indent=2, ensure_ascii=False)
await MetadataManager.save_metadata(metadata_path, metadata)
return metadata