Path: csiph.com!usenet.pasdenom.info!gegeweb.org!usenet-fr.net!nerim.net!novso.com!newsfeed.xs4all.nl!newsfeed1.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; 'subject:skip:s 10': 0.07; 'way:': 0.09; 'bug': 0.12; '*i*': 0.16; 'ah,': 0.16; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'subject:slow': 0.16; 'susceptible': 0.16; 'wrote:': 0.18; 'seems': 0.21; 'mon,': 0.24; 'source': 0.25; 'nearly': 0.26; 'header:In-Reply-To:1': 0.27; 'tried': 0.27; 'host': 0.29; 'correct': 0.29; 'chris': 0.29; 'external': 0.29; 'patch': 0.29; 'subject:) ': 0.29; 'message- id:@mail.gmail.com': 0.30; 'go.': 0.31; 'sep': 0.31; 'file': 0.32; 'url:python': 0.33; 'core': 0.34; 'subject:from': 0.34; 'could': 0.34; 'problem': 0.35; 'subject: (': 0.35; 'but': 0.35; 'received:google.com': 0.35; 'add': 0.35; 'really': 0.36; 'raising': 0.36; "didn't": 0.36; 'entry': 0.36; 'method': 0.36; 'possible': 0.36; 'url:org': 0.36; 'to:addr:python-list': 0.38; 'pm,': 0.38; 'rather': 0.38; 'to:addr:python.org': 0.39; 'address.': 0.39; 'course': 0.61; 'address,': 0.75; '(according': 0.84; 'perfect!': 0.84; 'subject:skip:g 10': 0.84; 'mean.': 0.91; '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=QN5FqE30ucukcPfPxjRzuAHNLRfPf90BF8lbN8H2t1Y=; b=hWifXGkFJfDGbnbBFog+wyZF7j+zchCJGOiO/qQc6ExIOFNXtYsixfaLBtIntOKnHg xQn2dCKojBkz4MGf7kK2545eOevtiD4zIJE4fsf0s/5tsAUeYtcQuG9uqAL4vrMcXZ2f TDQO6eqA+iB0CaOLWHt2inKc2KL4q91aWJNN6zoBPUWt3IZgxJIr6SkIj8obYyZmNK+b hYfC3c6Tnqm1qHHWUL8Se8wKQYtvQYUhtXvHox6cZI3CJpSzklurWfalzJjxv62MMINp 35xHZfSN4pkE9ZpCl8WTf0+iGvJk/IXiVO715ioLr7w7EHUC7Tcdxn+ItispZmbrgRx6 Ch/A== MIME-Version: 1.0 X-Received: by 10.58.100.234 with SMTP id fb10mr22821834veb.5.1378118532502; Mon, 02 Sep 2013 03:42:12 -0700 (PDT) In-Reply-To: <00843d58-db21-4cf0-9430-85362a1dd66f@googlegroups.com> References: <9cca25d5-186d-4a92-893c-f7985fad7a55@googlegroups.com> <00843d58-db21-4cf0-9430-85362a1dd66f@googlegroups.com> Date: Mon, 2 Sep 2013 20:42:12 +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: 21 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1378118535 news.xs4all.nl 15967 [2001:888:2000:d::a6]:43302 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:53470 On Mon, Sep 2, 2013 at 3:28 PM, wrote: > On Sunday, September 1, 2013 2:03:56 PM UTC-7, Chris Angelico wrote: > >> > 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 > > Not really for my use case -- it isn't that *I* want to know my public IP address, but rather that IPython wants to know it. Of course I could patch IPython's source to use netifaces but that sounds like an overkill. > > As it happens I found a better way: just add the proper entry to /etc/hosts. Ah, I see what you mean. If it were possible with core Python, I would recommend raising a bug with IPython, as the current method is susceptible to external issues. But to just get your problem solved, yes, a host file entry sounds like it's the best way to go. ChrisA