from typing import Dict, List, Any, Optional, Union
import unreal
import json
def validate_assets(
asset_paths: Optional[Union[str, List[str]]] = None,
) -> Dict[str, Any]:
validation_results = {
"total_validated": 0,
"valid_assets": [],
"invalid_assets": [],
"validation_summary": {},
}
if asset_paths:
assets_to_validate = (
asset_paths if isinstance(asset_paths, list) else [asset_paths]
)
else:
asset_registry = unreal.AssetRegistryHelpers.get_asset_registry()
all_assets = asset_registry.get_all_assets()
assets_to_validate = [
str(asset.package_path) + "/" + str(asset.asset_name)
for asset in all_assets[:100]
] # Limit to 100 for performance
validation_results["total_validated"] = len(assets_to_validate)
for asset_path in assets_to_validate:
try:
if not unreal.EditorAssetLibrary.does_asset_exist(asset_path):
validation_results["invalid_assets"].append(
{"path": asset_path, "error": "Asset does not exist"}
)
continue
asset = unreal.EditorAssetLibrary.load_asset(asset_path)
if not asset:
validation_results["invalid_assets"].append(
{"path": asset_path, "error": "Failed to load asset"}
)
continue
asset_data = unreal.EditorAssetLibrary.find_asset_data(asset_path)
if not asset_data.is_valid():
validation_results["invalid_assets"].append(
{"path": asset_path, "error": "Asset data is invalid"}
)
continue
validation_results["valid_assets"].append(
{
"path": asset_path,
"class": asset.get_class().get_name(),
"size": asset_data.get_tag_value("AssetFileSize") or "Unknown",
}
)
except Exception as e:
validation_results["invalid_assets"].append(
{"path": asset_path, "error": str(e)}
)
# Generate summary
validation_results["validation_summary"] = {
"valid_count": len(validation_results["valid_assets"]),
"invalid_count": len(validation_results["invalid_assets"]),
"success_rate": round(
len(validation_results["valid_assets"])
/ validation_results["total_validated"]
* 100,
2,
)
if validation_results["total_validated"] > 0
else 0,
}
return validation_results
def main():
result = validate_assets("${asset_paths}")
print(json.dumps(result, indent=2))
if __name__ == "__main__":
main()
