example.py

"""An example of how Things can use other Things via dependencies."""

from typing import Annotated
from fastapi import Depends
import labthings_fastapi as lt
from labthings_fastapi.example_things import MyThing

MyThingClient = lt.deps.direct_thing_client_class(MyThing, "mything")
MyThingDep = Annotated[MyThingClient, Depends()]


class TestThing(lt.Thing):
    """A test thing with a counter property and a couple of actions."""

    @lt.action
    def increment_counter(self, my_thing: MyThingDep) -> None:
        """Increment the counter on another thing."""
        my_thing.increment_counter()


server = lt.ThingServer(
    {
        "mything": MyThing,
        "testthing": TestThing,
    }
)

if __name__ == "__main__":
    import uvicorn

    uvicorn.run(server.app, port=5000)