o j @sVdZddlZddlZdedefddZdeeBdefdd ZdeeBdefd d ZdS) zIPv4 helper functions.NaddressreturncCs>t|dkr tjj|dd|dd|dd|dS)zConvert an IPv4 address in binary form to text form. *address*, a ``bytes``, the IPv4 address in binary form. Returns a ``str``. r.)lendns exception SyntaxError)rr {/root/aizidognhua/tmp/workspace/projects/ec89d86c-575f-41c9-af57-ac45cbdbf775/venv/lib/python3.10/site-packages/dns/ipv4.py inet_ntoas *rtextcCst|ts |}n|}|d}t|dkrtjj|D]}|s'tjjt|dkr9|dt dkr9tjjqzdd|D}t j dg|RWSt yVtjjw) zConvert an IPv4 address in text form to binary form. *text*, a ``str`` or ``bytes``, the IPv4 address in textual form. Returns a ``bytes``. .rrr0cSsg|]}t|qSr )int).0partr r r <szinet_aton..BBBB) isinstancebytesencodesplitr r r r isdigitordstructpack Exception)rbtextpartsrbr r r inet_aton&s$     r$cCs tt|S)zVerify that *address* is a valid text form IPv4 address and return its canonical text form. *text*, a ``str`` or ``bytes``, the IPv4 address in textual form. Raises ``dns.exception.SyntaxError`` if the text is not valid. )rr$)rr r r canonicalizeBs r%) __doc__r dns.exceptionr rstrrr$r%r r r rs