Function example_list_of_models

examples/pydantic_usage.py:70–98

Example: List of uniform Pydantic models (tabular format).

()

def example_list_of_models():
    """Example: List of uniform Pydantic models (tabular format)."""
    print("=== List of Pydantic Models (Tabular) ===")
    
    products = [
        Product(sku='LAP-001', name='Gaming Laptop', price=1299.99, stock=15, tags=['electronics', 'computers']),
        Product(sku='MOU-042', name='Wireless Mouse', price=29.99, stock=128, tags=['electronics', 'accessories']),
        Product(sku='KEY-789', name='Mechanical Keyboard', price=149.99, stock=67, tags=['electronics', 'accessories'])
    ]
    
    print("Python objects:")
    for p in products:
        print(f"  {p.sku}: {p.name} - ${p.price}")
    print()
    
    # Compare with regular dict encoding
    dict_data = {'products': [p.model_dump() if hasattr(p, 'model_dump') else p.dict() for p in products]}
    json_str = json.dumps(dict_data)
    toon_dict = encode(dict_data)
    toon_pydantic = encode_pydantic(products)
    
    print(f"JSON size: {len(json_str)} bytes")
    print(f"TOON size (from dict): {len(toon_dict)} bytes")
    print(f"TOON size (from pydantic): {len(toon_pydantic)} bytes")
    print()
    
    print("TOON format:")
    print(toon_pydantic)
    print()


def example_nested_models():