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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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8
py/services/download_manager.py
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@@ -6,6 +6,7 @@ from typing import Dict
from ..utils.models import LoraMetadata, CheckpointMetadata
from ..utils.constants import CARD_PREVIEW_WIDTH
from ..utils.exif_utils import ExifUtils
from ..utils.metadata_manager import MetadataManager
from .service_registry import ServiceRegistry
# Download to temporary file first
@@ -198,8 +199,6 @@ class DownloadManager:
if await civitai_client.download_preview_image(images[0]['url'], preview_path):
metadata.preview_url = preview_path.replace(os.sep, '/')
metadata.preview_nsfw_level = images[0].get('nsfwLevel', 0)
with open(metadata_path, 'w', encoding='utf-8') as f:
json.dump(metadata.to_dict(), f, indent=2, ensure_ascii=False)
else:
# For images, use WebP format for better performance
with tempfile.NamedTemporaryFile(suffix='.png', delete=False) as temp_file:
@@ -226,8 +225,6 @@ class DownloadManager:
# Update metadata
metadata.preview_url = preview_path.replace(os.sep, '/')
metadata.preview_nsfw_level = images[0].get('nsfwLevel', 0)
with open(metadata_path, 'w', encoding='utf-8') as f:
json.dump(metadata.to_dict(), f, indent=2, ensure_ascii=False)
# Remove temporary file
try:
@@ -258,8 +255,7 @@ class DownloadManager:
metadata.update_file_info(save_path)
# 5. Final metadata update
with open(metadata_path, 'w', encoding='utf-8') as f:
json.dump(metadata.to_dict(), f, indent=2, ensure_ascii=False)
await MetadataManager.save_metadata(save_path, metadata)
# 6. Update cache based on model type
if model_type == "checkpoint":