3 [_ð]ã@sdZddlZdd„ZdS)zDNS GENERATE range conversion.éNcCsôd}d}d}|r(|ddkr(tjjdƒ‚xj|D]b}|dkrT|dkrTt|ƒ}d}d}q.|dkrnt|ƒ}d}d}q.|jƒr€||7}q.tjjd |ƒ‚q.W|d kr¦tjjƒ‚|dkr¶t|ƒ}|dkrÆt|ƒ}|dksÒt‚|dksÞt‚||ksêt‚|||fS) zÜConvert the text form of a range in a ``$GENERATE`` statement to an integer. *text*, a ``str``, the textual range in ``$GENERATE`` form. Returns a tuple of three ``int`` values ``(start, stop, step)``. éÚrú-z!Start cannot be a negative numberéú/ézCould not parse %sé)rr)ÚdnsÚ exceptionÚ SyntaxErrorÚintÚisdigitÚAssertionError)ÚtextÚstepÚcurÚstateÚcÚstartÚstop©rú//tmp/pip-build-yz_zf6az/dnspython/dns/grange.pyÚ from_texts6        r)Ú__doc__r rrrrrÚs