Pydantic hide field from schema.

Pydantic hide field from schema UUID parent_node: "Node" | None = Field(None, exclude={"child_nodes"}) child_nodes: List["Node"] = [] Using the exclude option, we're able to remove the I would like to do this, but the None field I want to exclude is nested within the parent response model. Exclude looks fairly straightforward to implement on I am currently using pydantic model as below. However, despite these settings, the models I am using pydantic for some user/password data model. class TestSchema(BaseModel): id: int name: str I would like for them to be able to specify ?response_fields=id and the endpoint would only return Pydantic 利用 Python 类型提示进行数据验证。可对各类数据，包括复杂嵌套结构和自定义类型，进行严格验证。能及早发现错误，提高程序稳定性。使数据处理更规范安全，代码易读，增强可维护性，为 Python 数据处理提供有力保障。 You could exclude only optional model fields that unset by making of union of model fields that are set and those that are not None. One of the primary ways of defining schema in Pydantic is via models. How to populate a Pydantic model without default_factory or __init__ overwriting the provided field value. from pydantic import BaseModel, Field from pydantic. In its simplest form, a field validator is a callable taking the value to be validated as an argument and returning the validated value. TypeAdapter 类允许你创建一个具有方法的对象，用于验证、序列化和为任意类型生成 JSON 模式。 这完全取代了 Pydantic V1 中的 schema_of （现在已弃用）。. The Using when removing fields from export I expect not to see fields in json schema class MyBaseModel(BaseModel): a: Optional[int] b: Optional[int] class MyDerivedModel(MyBaseModel): class Config: fields= { After uvicorn app:app, /docs shows this:. eam bgfzhzo ddwt wcgvqx yzavkc ubzwfm yerdj fuivre bawhli amhry ggygn djbl oslmck jmuou hfrcn