import argparse
import random

from typing import Union

import numpy as np
import torch


# https://stackoverflow.com/a/43357954/6365092
def str2bool(v: Union[bool, str]) -> bool:
    if isinstance(v, bool):
        return v
    if v.lower() in ("yes", "true", "t", "y", "1"):
        return True
    elif v.lower() in ("no", "false", "f", "n", "0"):
        return False
    else:
        raise argparse.ArgumentTypeError("Boolean value expected.")


def set_seed(seed):
    random.seed(seed)
    np.random.seed(seed)
    torch.manual_seed(seed)