import inspect
import os.path
import sys


def get_script_dir(follow_symlinks=True):
    """return path of the executed script"""
    if getattr(sys, 'frozen', False):
        path = os.path.abspath(sys.executable)
    else:
        if '__main__' in sys.modules and hasattr(sys.modules['__main__'], '__file__'):
            path = sys.modules['__main__'].__file__
        else:
            path = inspect.getabsfile(get_script_dir)

    if follow_symlinks:
        path = os.path.realpath(path)

    return os.path.dirname(path)


def compare(a: int, b: int) -> int:
    """compare to values, return -1 if a is smaller than b, 1 if a is greater than b, 0 is both are equal"""
    if a > b:
        return -1
    elif b > a:
        return 1
    else:
        return 0