Untitled

import json
from typing import Optional, List
from datetime import date

from fastapi.encoders import jsonable_encoder
from pydantic import ValidationError
from pydantic.types import NonNegativeInt
from sqlmodel import SQLModel


class DraftTest(SQLModel):
    name: Optional[str]
    age: Optional[str]
    dob: Optional[str]
    errors: Optional[List] = []


class ProperTest(SQLModel):
    name: str = "test"
    age: NonNegativeInt
    dob: date


obj = {'name': 'Magda', 'age': '-31', 'dob': 'zsdzds1991-06-26'}
x = DraftTest(**obj)
try:
    y = ProperTest(**obj)
except ValidationError as e:
    for error in e.errors():
        x.errors.append({"loc": error["loc"][0], "msg": error["msg"]})

json_compatible_x = jsonable_encoder(x)
json_x = json.dumps(json_compatible_x, indent=4)

print(json_x)
#  OUTPUTS:
#  {
#     "name": "Magda",
#     "age": "-31",
#     "dob": "zsdzds1991-06-26",
#     "errors": [
#         {
#             "loc": "age",
#             "msg": "ensure this value is greater than or equal to 0"
#         },
#         {
#             "loc": "dob",
#             "msg": "invalid date format"
#         }
#     ]
# }