Synchronous waiting for an asynchronous coroutine with Type

wait.py

import asyncio
from collections.abc import Coroutine
from typing import Any, TypeVar

T = TypeVar("T")


def swait(awaitable: Coroutine[Any, Any, T]) -> T:
    """Wait but for in syncronous function.

    >>> import time
    >>> import asyncio
    >>> start = time.time()
    >>> swait(asyncio.sleep(3))
    >>> print(f"{time.time() - start}")
    3.010016679763794

    Args:
        awaitable (Coroutine[Any, Any, T]): _description_

    Returns:
        T: the result coroutine
    """
    try:
        loop = asyncio.get_event_loop()
        return loop.run_until_complete(awaitable)
    except RuntimeError:
        # no event loop running
        return asyncio.run(awaitable)