Class Rectangle

tests/test_computed_fields.py:28–44

def test_computed_fields_get():
    class Rectangle(BaseModel):
        width: int
        length: int

        @computed_field
        def area(self) -> int:
            """An awesome area"""
            return self.width * self.length

        @computed_field(title='Pikarea', description='Another area')
        @property
        def area2(self) -> int:
            return self.width * self.length

        @property
        def double_width(self) -> int:
            return self.width * 2

    rect = Rectangle(width=10, length=5)
    assert set(Rectangle.model_fields) == {'width', 'length'}