Synnefo » snf-image-creator

    def check_guestfs_version(ghandler, major, minor, release):

        """Checks if the version of the used libguestfs is smaller, equal or

        greater than the one specified by the major, minor and release triplet

        Returns:

            < 0 if the installed version is smaller than the specified one

            = 0 if they are equal

            > 0 if the installed one is greater than the specified one

        """

        ver = ghandler.version()

        for (a, b) in (ver['major'], major), (ver['minor'], minor), \

                (ver['release'], release):

            if a != b:

                return a - b

        return 0