mirror of
https://github.com/kennethreitz/pydantic.git
synced 2026-06-05 23:00:18 +00:00
Samuel Colvin
29 lines
742 B
Python
29 lines
742 B
Python
from pydantic import BaseModel
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class BarModel(BaseModel):
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whatever: int
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class FooBarModel(BaseModel):
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banana: float
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foo: str
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bar: BarModel
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m = FooBarModel(banana=3.14, foo='hello', bar={'whatever': 123})
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print(m.copy(include={'foo', 'bar'}))
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#> FooBarModel foo='hello' bar=<BarModel whatever=123>
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print(m.copy(exclude={'foo', 'bar'}))
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#> FooBarModel banana=3.14
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print(m.copy(update={'banana': 0}))
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#> FooBarModel banana=0 foo='hello' bar=<BarModel whatever=123>
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print(id(m.bar), id(m.copy().bar))
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# normal copy gives the same object reference for `bar`
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#> 140494497582280 140494497582280
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print(id(m.bar), id(m.copy(deep=True).bar))
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# deep copy gives a new object reference for `bar`
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#> 140494497582280 140494497582856
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