On Sat, Feb 20, 2016 at 7:59 PM, Marko Rauhamaa <ma...@pacujo.net> wrote: > Chris Angelico <ros...@gmail.com>: > >> In a (non-Python) program of mine, I got annoyed by synchronous name >> lookups, so I hacked around it: instead of using the regular library >> functions, I just do a DNS lookup directly (which can then be >> event-based - send a UDP packet, get notified when a UDP packet >> arrives). Downside: Ignores /etc/nsswitch.conf and /etc/hosts, and >> goes straight to the name server. Upside: Is able to do its own >> caching, since the DNS library gives me the TTLs, but >> gethostbyname/getaddrinfo won't. > > Ditto in a Python program of mine, although I don't bother with caching: > the DNS server is perfectly capable of caching the entries for me.
If you know you have a local DNS server, sure. Mine is written for a generic situation where that can't be depended on, so it caches itself. But it's no big deal. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
