def stream_conditions_met(magnet):
    """
        Returns False if -1 has been passed as
        stream_ratio, True if 0.

        Otherwise, we'll have to implement a seed ratio watcher.
    """
    if magnet['stream_ratio'] == -1:
        return False
    elif magnet['stream_ratio'] == 0:
        return True
    else:
        raise NotImplementedError()
