def source_information_from_method(source_method):
    """Obtain source information from a method of a source object.

    :param source_method: Source method that is used
    :type source_method: method
    :returns: string with source information identifying the object that the
    method belongs to
    :rtype: str
    """
    source = source_method.__self__
    info_str = f"source {source.name} of type {source.driver} using method "
    return info_str+f"{source_method.__name__}"