falkben

class SyncAsyncDecoratorFactory:
    """
    Factory creates decorator which can wrap either a coroutine or function.
    To return something from wrapper use self._return
    If you need to modify args or kwargs, you can yield them from wrapper
    """
    def __new__(cls, *args, **kwargs):
        instance = super().__new__(cls)
        # This is for using decorator without parameters
        if len(args) == 1 and not kwargs and (inspect.iscoroutinefunction(args[0]) or inspect.isfunction(args[0])):