import json import traceback import mlcroissant as mlc import func_timeout WAIT_TIME = 5 * 60 # seconds def validate_json(file_path): """Validate that the file is proper JSON.""" try: with open(file_path, 'r') as f: json_data = json.load(f) return True, "✅ The file is valid JSON.", json_data except json.JSONDecodeError as e: error_message = f"❌ Invalid JSON format: {str(e)}" return False, error_message, None except Exception as e: error_message = f"❌ Error reading file: {str(e)}" return False, error_message, None def validate_croissant(json_data): """Validate that the JSON follows Croissant schema.""" try: dataset = mlc.Dataset(jsonld=json_data) return True, "✅ The dataset passes Croissant validation." except mlc.ValidationError as e: error_details = traceback.format_exc() error_message = f"❌ Validation failed: {str(e)}\n\n{error_details}" return False, error_message except Exception as e: error_details = traceback.format_exc() error_message = f"❌ Unexpected error during validation: {str(e)}\n\n{error_details}" return False, error_message def validate_records(json_data): """Validate that records can be generated within the time limit.""" try: dataset = mlc.Dataset(jsonld=json_data) record_sets = dataset.metadata.record_sets if not record_sets: return True, "✅ No record sets found to validate." results = [] for record_set in record_sets: try: records = dataset.records(record_set=record_set.uuid) _ = func_timeout.func_timeout(WAIT_TIME, lambda: next(iter(records))) results.append(f"✅ Record set '{record_set.uuid}' passed validation.") except func_timeout.exceptions.FunctionTimedOut: error_message = f"❌ Record set '{record_set.uuid}' generation took too long (>60s)" return False, error_message except Exception as e: error_details = traceback.format_exc() error_message = f"❌ Record set '{record_set.uuid}' failed: {str(e)}\n\n{error_details}" return False, error_message return True, "\n".join(results) except Exception as e: error_details = traceback.format_exc() error_message = f"❌ Unexpected error during records validation: {str(e)}\n\n{error_details}" return False, error_message