Files
pydantic/docs/examples/models_errors3.py
T
2020-05-31 14:54:12 +01:00

23 lines
471 B
Python

from pydantic import BaseModel, PydanticValueError, ValidationError, validator
class NotABarError(PydanticValueError):
code = 'not_a_bar'
msg_template = 'value is not "bar", got "{wrong_value}"'
class Model(BaseModel):
foo: str
@validator('foo')
def name_must_contain_space(cls, v):
if v != 'bar':
raise NotABarError(wrong_value=v)
return v
try:
Model(foo='ber')
except ValidationError as e:
print(e.json())