Source code for swh.scheduler

# Copyright (C) 2018-2024  The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution
# License: GNU General Public License version 3, or any later version
# See top-level LICENSE file for more information

from __future__ import annotations

from typing import TYPE_CHECKING

if TYPE_CHECKING:
    from swh.scheduler.interface import SchedulerInterface




def get_scheduler(cls: str, **kwargs) -> SchedulerInterface:
    """
    Get a scheduler object of class `cls` with arguments `**kwargs`.

    Args:
        cls: scheduler's class
        kwargs: arguments to pass to the class' constructor

    Returns:
        an instance of swh.scheduler.

    Raises:
        ValueError if passed an unknown storage class.

    """
    from swh.core.config import get_swh_backend_module

    _, BackendClass = get_swh_backend_module("scheduler", cls)
    assert BackendClass is not None
    return BackendClass(**kwargs)