Path: csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail From: dieter Newsgroups: comp.lang.python Subject: Re: pip install failure for cryptography, gnureadline Date: Thu, 10 Mar 2016 09:21:37 +0100 Lines: 38 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-7 Content-Transfer-Encoding: 8bit X-Trace: news.uni-berlin.de +e7BUW1m9zS3+WMMaGN89gcIld6Yre2s+B9w+YVtTKCQ== Cancel-Lock: sha1:hQryMeZJR1y1jpSey2CisIu3ONA= Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.001 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'error:': 0.05; 'defines': 0.07; 'setup.py': 0.07; 'indicates': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'output': 0.13; 'charset:iso-8859-7': 0.15; 'file,': 0.15; '(line': 0.16; 'declaration': 0.16; 'packages:': 0.16; 'received:80.91.229.3': 0.16; 'received:dip0.t-ipconnect.de': 0.16; 'received:io': 0.16; 'received:plane.gmane.org': 0.16; 'received:psf.io': 0.16; 'received:t-ipconnect.de': 0.16; 'skip:/ 50': 0.16; 'sslv3': 0.16; 'subject:install': 0.16; 'pointer': 0.18; 'constant': 0.22; 'null;': 0.22; 'fit': 0.23; 'finished': 0.23; 'skip:b 30': 0.24; 'install': 0.25; 'header:User-Agent:1': 0.26; 'command': 0.26; 'header:X-Complaints-To:1': 0.26; 'collecting': 0.27; 'function': 0.28; 'skip:( 20': 0.28; 'included': 0.32; 'getting': 0.33; 'symbol': 0.33; 'version:': 0.33; 'file': 0.34; 'previous': 0.34; 'running': 0.34; 'list': 0.34; 'installing': 0.35; 'returning': 0.35; 'skip:* 20': 0.35; 'guidance': 0.36; 'to:addr:python-list': 0.36; 'subject:: ': 0.37; 'really': 0.37; 'received:org': 0.37; 'version': 0.38; 'building': 0.38; 'does': 0.39; 'to:addr:python.org': 0.40; 'received:de': 0.40; 'some': 0.40; 'your': 0.60; 'different': 0.63; 'complete': 0.63; 'contact': 0.66; 'here': 0.66; 'note:': 0.66; 'pip': 0.84; 'skip:/ 30': 0.84; 'wheels': 0.84; 'colleague,': 0.91 X-Injected-Via-Gmane: http://gmane.org/ X-Gmane-NNTP-Posting-Host: p57b38185.dip0.t-ipconnect.de User-Agent: Gnus/5.1008 (Gnus v5.10.8) XEmacs/21.4.22 (linux) X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Xref: csiph.com comp.lang.python:104486 Pietro Paolini writes: > ... > I am not really familiar with the Py subsystem, even though I have got some > guidance from some colleague, I am getting stuck when installing a list of > packages contained in a file, running such command : > > > pip install -r /home/pietro/projects/cloud-provisioning/requirements.txt > > Brings me : > > > Collecting docutils>=0.10 (from botocore<1.4.0,>=1.3.0->boto3==1.2.3->-r > /home/pietro/projects/cloud-provisioning/requirements.txt (line 9)) > Building wheels for collected packages: cryptography, gnureadline > Running setup.py bdist_wheel for cryptography: started > Running setup.py bdist_wheel for cryptography: finished with status > 'error' > Complete output from command > .... > src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_d5a71fe5xf53f5318.c:1944:15: > error: ĦSSLv3_method˘ redeclared as different kind of symbol > SSL_METHOD* (*SSLv3_method)(void) = NULL; > ^ > In file included from > src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_d5a71fe5xf53f5318.c:294:0: > /usr/include/openssl/ssl.h:1892:19: note: previous declaration of > ĦSSLv3_method˘ was here > const SSL_METHOD *SSLv3_method(void); /* SSLv3 */ > ^ This indicates that the "cryptography" version does not fit with your "openssl" version: "openssl" defines "SSLv3_method" as a function returning a constant pointer to an "SSL_METHOD", while "cryptography" defines it as a pointer to such a function. I would contact the "cryptography" author.