code action to convert dict to TypedDict / dataclass / pydantic

[asukaminato0721]

Describe the Bug

https://stackoverflow.com/questions/62267544/generate-pydantic-model-from-a-dict

even a website for this

https://jsontopydantic.com/

usage:

I have code like this

def f():
    return {"a": 1, "b": [1, 2]}

class F(TypedDict):
    a: int
    b: list[int]

def f() -> F:
    return {"a": 1, "b": [1, 2]}

convert them to handle something like f()["a"]

Sandbox Link

No response

(Only applicable for extension issues) IDE Information

No response

[yangdanny97]

cc @migeed-z

[sgavriil01]

I’d like to take a stab at this issue if possible. From my initial reading, this would likely involve handling Subscript expressions where the base expression has a TypedDict return type, and resolving key types accordingly.

If you can point me toward the relevant parts of the type checker or any existing TypedDict handling, I’d be happy to start with a minimal test case (e.g., f()["a"] -> int) and iterate from there.

If the feature is in-scope, please assign it to me @yangdanny97, and thank you for any guidance!

[asukaminato0721]

claim