pydantic_model_config_merge.py

from pydantic import BaseModel

class Model(BaseModel):
    model_config = {
        "validate_default": True,
    }

    
class MyModel(Model):
    model_config = {
        "str_max_length": 2,
    }

    a: int = "not_an_int"
    b: str

MyModel(b="more_than_two_chars")
#> Will raise two validation errors, one for the default value of `a`, the other for `b` being longer than two chars.