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Re: [igraph] macport installation of python igraph

From: Tamás Nepusz
Subject: Re: [igraph] macport installation of python igraph
Date: Mon, 9 Apr 2012 22:45:10 +0200

> Using MacPorts to install igraph (after unsuccessfully trying to install 
> using binaries) 
> curiosity:$ sudo -E port install py27-igraph 
> Password: 
> ----> etc. 
> ----> etc. 
> no errors on installation except warning: 
> --------> 
> To make python 2.7 the default (i.e. the version you get when you run 
> 'python'), please run: sudo port select --set python python27 
> Unfortunately when I try to use igraph I get the infamous error response:
It is very likely that MacPorts compiled and installed igraph for some other 
Python distribution on your system and not the default 2.7 one. (e.g., it could 
have installed it for Python 2.6). Try uninstalling py27-igraph, selecting 
python27 as the default Python on your system (using "sudo port select --set 
python python27), and reinstall py27-igraph.

Note that we are not the maintainers of the MacPorts portfile for the Python 
interface of igraph, so if the above mentioned solution does not work, try 
asking around on the MacPorts mailing list -- maybe the portfile needs to be 


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