异步构建嵌套数据的小工具库: pydantic-resolve - V2EX
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tangkikodo

异步构建嵌套数据的小工具库: pydantic-resolve

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  •   tangkikodo Jun 10, 2023 1879 views
    This topic created in 1087 days ago, the information mentioned may be changed or developed.

    之前来 V2EX 有小小安利过,t/928991

    后来根据使用反馈后续做了改进。也进一步完善了文档和介绍。

    所以重新来安利一下:

    https://pydantic-resolve.readthedocs.io/en/latest/

    https://github.com/allmonday/pydantic-resolve

    这个小工具库可以方便的构建 graphql 那样的多层级数据,同时内部对 dataloader 做了一些初始化管理,消灭了 loader 需要在 middleware 层初始化的烦恼。

    一些场景:

    • 模仿 grapql ,在后端拼接出一个页面所需的全部数据 (当然,木有 gql 这么动态灵活, 但接口更稳定容易维护)
    • 轻松拼接各种关系表数据
    • 解决嵌套数据中 N+1 查询问题

    如果有类似烦恼的话,可以拿来试试。

    如果是 fastapi 用户,配合 response_model + openapi-typescript-generator 食用更佳。

    已经在生产环境稳定使用。并积极维护中。

    欢迎尝鲜。

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