views/foo.py.py

import multiprocessing
import time
from typing import TypedDict


class _Result(TypedDict):
    bar: int


def bar(result):
    while True:
        time.sleep(1)
        result["bar"] += 1
        print(result["bar"])
        if result["bar"] > 5:
            return


def foo():
    """Generates the data and waits at most _TIMEOUT_SECONDS."""
    with multiprocessing.Manager() as manager:
        result: _Result = manager.dict(bar=0)
        process = multiprocessing.Process(target=bar, args=(result,))
        process.start()
        if not process.is_alive():
            return result
        time.sleep(3)
        if process.is_alive():
            process.kill()
            result["exception"] = TimeoutError(
                "The generation took too long and was killed."
            )
        return _Result(**result)


print("FINAL RESULT", foo().get("bar"))