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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 |