didactic-fastapi

FastAPI integration for dx.Model types.

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Contributes didactic.fastapi to the namespace package.

Install

pip install didactic-fastapi

The package depends on didactic, didactic-pydantic, and fastapi>=0.115.

Quickstart

import didactic.api as dx
from fastapi import FastAPI
from didactic.fastapi import as_response, register_validation_handler


class User(dx.Model):
    id: str
    email: str


app = FastAPI()
register_validation_handler(app)


@app.get("/users/{uid}", response_model=as_response(User))
def get_user(uid: str) -> User:
    return User(id=uid, email="ada@example.org")

as_response(model) returns a pydantic.BaseModel subclass mirroring the input dx.Model. FastAPI uses the result for response validation and OpenAPI generation. The conversion is cached per input class.

as_request(model) is a synonym; use whichever name reads naturally in your route signatures.

register_validation_handler(app) installs an exception handler so that dx.ValidationError raised inside a route surfaces as a 422 response shaped like FastAPI's own validation errors.

Documentation

See Guides > FastAPI for the full integration guide and caveats.

License

Released under the MIT License.

Key dates

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Latest release

1 maintainer

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Avatar for aaronstevenwhite from gravatar.com aaronstevenwhite

Credits

Author: Aaron Steven White

License expression

MIT
View SPDX License List

Requires

Python >=3.14

Tags

didactic fastapi openapi panproto

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