mirror of
https://github.com/kennethreitz/pydantic.git
synced 2026-06-05 23:00:18 +00:00
Samuel Colvin
27 lines
839 B
Python
27 lines
839 B
Python
from pydantic import BaseModel, Field, PositiveInt
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try:
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# this won't work since PositiveInt takes precedence over the
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# constraints defined in Field meaning they're ignored
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class Model(BaseModel):
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foo: PositiveInt = Field(..., lt=10)
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except ValueError as e:
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print(e)
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# but you can set the schema attribute directly:
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# (Note: here exclusiveMaximum will not be enforce)
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class Model(BaseModel):
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foo: PositiveInt = Field(..., exclusiveMaximum=10)
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print(Model.schema())
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# if you find yourself needing this, an alternative is to declare
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# the constraints in Field (or you could use conint())
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# here both constraints will be enforced:
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class Model(BaseModel):
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# Here both constraints will be applied and the schema
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# will be generated correctly
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foo: int = Field(..., gt=0, lt=10)
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print(Model.schema())
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