mirror of
https://github.com/kennethreitz/pydantic.git
synced 2026-06-05 23:00:18 +00:00
Nikita Grishko
30 lines
450 B
Python
30 lines
450 B
Python
from pydantic import BaseModel, ValidationError, validator
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class Model(BaseModel):
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foo: str
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@validator('foo')
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def name_must_contain_space(cls, v):
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if v != 'bar':
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raise ValueError('value must be a "bar"')
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return v
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try:
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Model(foo='ber')
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except ValidationError as e:
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print(e.json())
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"""
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[
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{
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"loc": [
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"foo"
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],
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"msg": "value must be a \"bar\"",
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"type": "value_error"
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}
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]
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"""
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