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pydantic/docs/examples/models_custom_root_field_parse_obj.py
T
2020-05-31 14:54:12 +01:00

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Python

from typing import List, Dict
from pydantic import BaseModel, ValidationError
class Pets(BaseModel):
__root__: List[str]
print(Pets.parse_obj(['dog', 'cat']))
print(Pets.parse_obj({'__root__': ['dog', 'cat']})) # not recommended
class PetsByName(BaseModel):
__root__: Dict[str, str]
print(PetsByName.parse_obj({'Otis': 'dog', 'Milo': 'cat'}))
try:
PetsByName.parse_obj({'__root__': {'Otis': 'dog', 'Milo': 'cat'}})
except ValidationError as e:
print(e)