mirror of
https://github.com/kennethreitz/pydantic.git
synced 2026-06-05 23:00:18 +00:00
Samuel Colvin
25b5d98030
* support postponed annotations in python 3.7 * support for full ForwardRef * tweak update_forward_refs * better ForwardRef resolution * remove debug, fix linting * fix comments * docs and history
16 lines
266 B
Python
16 lines
266 B
Python
from typing import ForwardRef
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from pydantic import BaseModel
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Foo = ForwardRef('Foo')
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class Foo(BaseModel):
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a: int = 123
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b: Foo = None
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Foo.update_forward_refs()
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print(Foo())
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#> Foo a=123 b=None
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print(Foo(b={'a': '321'}))
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#> Foo a=123 b=<Foo a=321 b=None>
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