def get_update_automation_level(self):
    """ Parse the apt cron configuration. Try to fit a predefined use case 
        and return it. Special case: if the user made a custom 
        configurtation, that we cannot represent it will return None """
    if apt_pkg.config.find_i(softwareproperties.CONF_MAP["autoupdate"]) > 0:
        # Autodownload
        if apt_pkg.config.find_i(softwareproperties.CONF_MAP["unattended"]) == 1\
           and apt_pkg.config.find_i(softwareproperties.CONF_MAP["autodownload"]) == 1 :
            return softwareproperties.UPDATE_INST_SEC
        elif apt_pkg.config.find_i(softwareproperties.CONF_MAP["autodownload"]) == 1 and  \
             apt_pkg.config.find_i(softwareproperties.CONF_MAP["unattended"]) == 0:
            return softwareproperties.UPDATE_DOWNLOAD
        elif apt_pkg.config.find_i(softwareproperties.CONF_MAP["unattended"]) == 0 and \
             apt_pkg.config.find_i(softwareproperties.CONF_MAP["autodownload"]) == 0:
            return softwareproperties.UPDATE_NOTIFY
        else:
            return None
    elif apt_pkg.config.find_i(softwareproperties.CONF_MAP["unattended"]) == 0 and \
         apt_pkg.config.find_i(softwareproperties.CONF_MAP["autodownload"]) == 0:
        return softwareproperties.UPDATE_MANUAL
    else:
        return None