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import json
from datetime import datetime
class CrawlJSONEncoder(json.JSONEncoder):
"""Custom JSON encoder for crawler results"""
def default(self, obj):
if isinstance(obj, datetime):
return obj.isoformat()
if isinstance(obj, bytes):
return obj.decode('utf-8', errors='ignore')
if hasattr(obj, 'model_dump'):
return obj.model_dump()
if hasattr(obj, '__dict__'):
return {k: v for k, v in obj.__dict__.items() if not k.startswith('_')}
return str(obj) # Fallback to string representation
def serialize_result(result) -> dict:
"""Safely serialize a crawler result"""
try:
# Convert to dict handling special cases
if hasattr(result, 'model_dump'):
result_dict = result.model_dump()
else:
result_dict = {
k: v for k, v in result.__dict__.items()
if not k.startswith('_')
}
# Remove known non-serializable objects
result_dict.pop('ssl_certificate', None)
result_dict.pop('downloaded_files', None)
return result_dict
except Exception as e:
print(f"Error serializing result: {e}")
return {"error": str(e), "url": getattr(result, 'url', 'unknown')}