Run Cython module

runmodule.py

#!/usr/bin/python3.10
# -*- coding: utf-8 -*-
import asyncio
import sys
import importlib
from functools import reduce
from typing import Any


def import_from_string(import_str: str) -> Any:
    module_str, _, attrs_str = import_str.partition(":")
    if not module_str or not attrs_str:
        raise ValueError(
            f'Import string "{import_str}" must be in format "<module>:<attribute>".'
        )
    if "\\" in module_str or "/" in module_str:
        module_str = (
            module_str.removesuffix(".py")
            .removesuffix(".pyc")
            .replace("\\", "/")
            .replace("/", ".")
        )
    return reduce(getattr, attrs_str.split("."), importlib.import_module(module_str))


if __name__ == "__main__":
    instance = import_from_string(sys.argv[1])
    if asyncio.iscoroutinefunction(instance):
        asyncio.run(instance())
    else:
        instance()