On 2 Ιαν, 16:00, Heiko Wundram <modeln...@modelnine.org> wrote: > Am 02.01.2012 14:25, schrieb Νικόλαος Κούρας: > > > On 23 Δεκ 2011, 19:14, Νικόλαος Κούρας<nikos.kou...@gmail.com> wrote: > >> I dont know why this line host = > >> socket.gethostbyaddr( os.environ['REMOTE_ADDR'] )[0] fails sometimes > >> and some other times works ok retrieving the hostnames correctly. > > > Please i need some help. My webpage doesn't work due to this error... > > The error "herror: (1, ...)" says it all: the DNS-name (i.e., the > <something>.in-addr.arpa name) you're trying to resolve is unknown. Not > all hosts (or rather, IPs) on the internet have reverse lookups: try the > IP 81.14.209.35 from which I'm posting, and dig/nslookup will tell you > that it has no reverse resolution, which would result in gethostbyaddr() > throwing an herror-instance.
I see > Basically: make the reverse lookup conditional by wrapping it in a > try:/except herror: and assigning an appropriate default for host in > case reverse lookup fails. Can tou show me how to write this please? -- http://mail.python.org/mailman/listinfo/python-list
