How to make the most of Pydantic 07

singledispatch_01.py

from functools import singledispatch

@singledispatch
def process(model):
    """
    Default processing definition
    """
    raise NotImplementedError(f"I don't know how to process {type(model)}")

@process.register
def _(model: Address):
    """
    Handle addresses
    """
    print(f"Just got an address from {model.city}")

@process.register
def _(model: CatRequest):
    """
    Handle Cat Requests
    """
    print(f"Processing {model.name} the cat!")

address = Address(
    city="Wonderland",
    zip_code="ABCDE",
    number=123,
)
cat = CatRequest(
    name="Lévy",
    age=3,
    address=address
)

process(address)  # Just got an address from Wonderland
process(cat)  # Processing Lévy the cat!
process("something else")  # NotImplementedError: I don't know how to process <class 'str'>