how to accept the part dict of the json body as the dict rather than the entire json body

[0warning0error]

OS: Ubuntu 18.04 LTS
Python version: 3.6.9
fastapi: 0.63.0

This is part of my code

@router.post("/register")
async def register(user:dict = Body(...)):
    "the code"

However, when I sent the body like below

{
  "user":{
    "name":"john",
    "age":14,
    "position": "engineer"
  }
}

I wanted the param user to be accepted as

{
    "name":"john",
    "age":14,
    "position": "engineer"
  }

but it turned out to be the entire body

{
  "user":{
    "name":"john",
    "age":14,
    "position": "engineer"
  }
}

[raphaelauv]

... filter the dict yourself , in your code

@router.post("/register")
async def register(user:dict = Body(...)):
    print(user["user"])

you could also do a model ( pydantic ) for an input validation of the json

you can close your issue , thank you

[0warning0error]

... filter the dict yourself , in your code

@router.post("/register")
async def register(user:dict = Body(...)):
    print(user["user"])

you could also do a model ( pydantic ) for an input validation of the json

you can close your issue , thank you

Well, even if there has been no perfect method, I find a somewhat elegant way to solve.

add a optional param that cannot be captured to the function and the param user will be accepted as I want

@router.post("/register")
async def register(user:dict = Body(...),_:Optional[str] = Body("")):
    "the code"

[tiangolo]

Thanks for the help here @raphaelauv ! 👏 🙇

I'm not sure I understood what you needed but I'm glad you solved your use case!

Thanks for reporting back and closing the issue 👍 ☕

Sorry for the long delay! 🙈 I wanted to personally address each issue/PR and they piled up through time, but now I'm checking each one in order.

[github-actions[bot]]

Assuming the original need was handled, this will be automatically closed now. But feel free to add more comments or create new issues or PRs.