Path: csiph.com!newsfeed.hal-mli.net!feeder3.hal-mli.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!newsfeed.xs4all.nl!newsfeed4.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.015 X-Spam-Evidence: '*H*': 0.97; '*S*': 0.00; 'python.': 0.02; 'url:pypi': 0.03; 'third-party': 0.04; 'subject:skip:s 10': 0.07; "'python": 0.09; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'hostname': 0.16; 'subject:slow': 0.16; 'wrote:': 0.18; 'trying': 0.19; 'seems': 0.21; 'issue.': 0.22; 'config': 0.24; 'mon,': 0.24; 'nearly': 0.26; 'header:In-Reply-To:1': 0.27; 'tried': 0.27; 'function': 0.29; 'correct': 0.29; 'chris': 0.29; 'am,': 0.29; 'subject:) ': 0.29; 'message-id:@mail.gmail.com': 0.30; 'sep': 0.31; 'url:python': 0.33; 'core': 0.34; 'subject:from': 0.34; 'subject: (': 0.35; 'but': 0.35; 'received:google.com': 0.35; 'google': 0.35; "didn't": 0.36; 'shows': 0.36; 'url:org': 0.36; 'to:addr:python-list': 0.38; 'to:addr:python.org': 0.39; 'address.': 0.39; 'results.': 0.60; 'most': 0.60; 'more': 0.64; '(according': 0.84; 'perfect!': 0.84; 'quicker': 0.84; 'subject:skip:g 10': 0.84; 'you;': 0.84; '2013': 0.98 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=cBhKqPMra0unWFvR1mXSSM1FhyVtkINaqBudmxTDu7U=; b=fHORZuK1YLuiptyYba6tOIohOGc7BjkA2iOt1WK74qPo9l2GCi3gAkOIs6wO7hGzhV I3ptJzmAB957wS7+B3h/TUpaaAsmLoz/ZywD2jT0Fy+KCQTwGTzS07kx4PMBLSQ2oKaP WOiV3drLiXF5CA/QCilZ+i6VwvwodmtAFnbdFzqnx9ajQISNSitdy9nT1J6Gum7VwqKM 0tbA5dhtfv547rHt/25udaCd0jCsErB/dm6hMFVV3MS0bYDXZWVOUDt7kfU2umgzTrgF IXRfrCqwIo/s6EWUMPylZzx4GU3ZMHRq9Sch9W/GxLWS9M1gTiCLXXrcVjXX5iO3UUO+ pLMA== MIME-Version: 1.0 X-Received: by 10.58.235.69 with SMTP id uk5mr19690358vec.17.1378069436074; Sun, 01 Sep 2013 14:03:56 -0700 (PDT) In-Reply-To: <9cca25d5-186d-4a92-893c-f7985fad7a55@googlegroups.com> References: <9cca25d5-186d-4a92-893c-f7985fad7a55@googlegroups.com> Date: Mon, 2 Sep 2013 07:03:56 +1000 Subject: Re: gethostbyname_ex(hostname) extremely slow (crossposted from stackoverflow) From: Chris Angelico To: python-list@python.org Content-Type: text/plain; charset=ISO-8859-1 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 17 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1378069438 news.xs4all.nl 15936 [2001:888:2000:d::a6]:58997 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:53433 On Mon, Sep 2, 2013 at 6:37 AM, wrote: > On Sunday, September 1, 2013 4:37:34 AM UTC-7, Chris Angelico wrote: > >> Yes, it most definitely CAN be a network config issue. The C function >> you want to be calling is getifaddrs(), and I don't think there's a >> way to call that from core Python. But a Google search for 'python >> getifaddrs' shows up a few third-party modules that might be of use to >> you; that'd be a lot quicker and more reliable than trying to look up >> your own hostname and depending on the results. >> >> ChrisA > > I tried using netifaces (https://pypi.python.org/pypi/netifaces) which seems to rely on getifaddrs (according to the doc, I didn't check the source). Again, it returns nearly instantaneously the correct IP address. Perfect! ChrisA