Path: csiph.com!x330-a1.tempe.blueboxinc.net!newsfeed.hal-mli.net!feeder3.hal-mli.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!news-out2.kabelfoon.nl!newsfeed.kabelfoon.nl!xindi.nntp.kabelfoon.nl!feed.xsnews.nl!border-2.ams.xsnews.nl!xlned.com!feeder7.xlned.com!news2.euro.net!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 0.048 X-Spam-Evidence: '*H*': 0.90; '*S*': 0.00; 'urllib2': 0.07; 'python': 0.08; 'dev': 0.09; '_call_chain': 0.16; 'func(*args)': 0.16; 'subject:issues': 0.16; 'url_data': 0.16; '>>>': 0.18; 'trying': 0.21; '(most': 0.21; '(but': 0.21; 'wrote': 0.22; 'fine,': 0.23; 'cc:2**0': 0.24; 'traceback': 0.24; "i'm": 0.26; 'import': 0.27; 'raise': 0.28; 'urls': 0.28; 'skip:" 30': 0.28; 'problem': 0.29; 'keeps': 0.30; 'subject:?': 0.31; 'thanks': 0.31; 'anyone': 0.31; 'version': 0.32; 'to:addr:python-list': 0.34; 'causing': 0.34; "we're": 0.34; 'last):': 0.34; 'issue': 0.35; 'running': 0.35; 'test': 0.35; 'response': 0.35; 'file': 0.36; 'but': 0.37; 'run': 0.37; 'machine': 0.37; 'think': 0.37; 'open': 0.38; 'skip:o 20': 0.38; 'client': 0.39; 'why': 0.39; "it's": 0.40; 'to:addr:python.org': 0.40; 'might': 0.40; 'received:208': 0.60; 'our': 0.64; 'opener': 0.84; 'received:10.200': 0.84; 'received:bluetie.com': 0.84; 'data)': 0.91; 'received:208.89': 0.91 X-CMAE-OUT-Analysis: v=2.0 cv=Gq/ACzJC c=1 sm=1 a=7hyHpxntrC0A:10 a=IkcTkHD0fZMA:10 a=1XWaLZrsAAAA:8 a=54UC-1H9L6WOhPQ57rMA:9 a=DJjKZK_dTlJhtccBqLEA:7 a=QEXdDO2ut3YA:10 a=jldDdGg9RpdlhCWv9Upb1Q==:117 X-CMAE-OUT-Score: 0.00 X-HTTP-Received: from adrianp.rcomykccru4303 [173.212.138.1] by web003.roc2.bluetie.com (BlueTie WebMail ); Thu, 01 Dec 2011 12:41:22 -0500 X-Mailer: BlueTie MTA Date: Thu, 01 Dec 2011 12:41:22 -0500 Cc: To: Python-list@python.org From: "Adrian Powell" Importance: normal Subject: platform issues? Content-transfer-encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 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: 38 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1322761291 news.xs4all.nl 6989 [2001:888:2000:d::a6]:55916 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:16505 I'm new to python and I'm trying to get a twitter client running on a new ma= chine but it keeps on failing. I tracked the problem down to an issue openin= g URLs and wrote this little test case: import urllib2 url =3D 'http://www.google.com/' opener =3D urllib2.build_opener() url_data =3D opener.open(url).read url_data When I run that on a dev machine it works fine, but when it's on one of our = servers it crashes: >>> import urllib2 >>> url =3D 'http://www.google.com/' >>> opener =3D urllib2.build_opener() >>> url_data =3D opener.open(url).read Traceback (most recent call last): File "", line 1, in File "/usr/lib/python2.7/urllib2.py", line 391, in open response =3D self._open(req, data) File "/usr/lib/python2.7/urllib2.py", line 409, in _open '_open', req) File "/usr/lib/python2.7/urllib2.py", line 369, in _call_chain result =3D func(*args) File "/usr/lib/python2.7/urllib2.py", line 1173, in http_open return self.do_open(httplib.HTTPConnection, req) File "/usr/lib/python2.7/urllib2.py", line 1148, in do_open raise URLError(err) urllib2.URLError: Our servers have the same version of python and we're running the same OS (F= edora 14). Can anyone think of what might be causing this problem, or why it= works on most (but not all) machines? Thanks