pydantic_extra_types_color_and_payment_card_validation.py

1from pydantic import BaseModel, ValidationError
2from pydantic_extra_types.color import Color
3from pydantic_extra_types.payment import PaymentCardNumber
4
5class UserSettings(BaseModel):
6    # Validates CSS colors (names, hex, rgb, etc.)
7    favorite_color: Color
8    # Validates credit card numbers and provides provider info
9    card_number: PaymentCardNumber
10
11# Example usage
12try:
13    settings = UserSettings(
14        favorite_color='blue',
15        card_number='4242 4242 4242 4242'
16    )
17    print(f"Color as Hex: {settings.favorite_color.as_hex()}")
18    print(f"Card Brand: {settings.card_number.brand}")
19    print(f"Masked Card: {settings.card_number.masked}")
20except ValidationError as e:
21    print(e)