[graph-tool] what could be causing a dlopen() issue when importing graph_tool?

Lev Givon lev at columbia.edu
Fri Mar 28 16:57:42 CET 2014


Received from John Reid on Fri, Mar 28, 2014 at 11:04:54AM EDT:
> On 28/03/14 14:56, Lev Givon wrote:
>
> > I've installed the 2.2.31-1 graph-tool package for Ubuntu 13.10 x86_64 on my
> > system. Although I can import it from within a regular Python 2.7.5 session
> > without any problems, I can't seem to import it successfully from within a virtualenv in which I've 
> > installed a range of other packages (the virtualenv is configured to also access
> > globally installed Python packages):
> >
> >>>> import graph_tool
> > Traceback (most recent call last):
> >   File "<stdin>", line 1, in <module>
> >   File "/usr/lib/python2.7/dist-packages/graph_tool/__init__.py", line 100, in <module>
> >     dl_import("from . import libgraph_tool_core as libcore")
> >   File "/usr/lib/python2.7/dist-packages/graph_tool/dl_import.py", line 57, in
> >     dl_import exec(import_expr, local_dict, global_dict)
> >   File "<string>", line 1, in <module>
> > ImportError: /usr/lib/python2.7/dist-packages/graph_tool/libgraph_tool_core.so: invalid mode for dlopen(): Invalid argument
> >
> > Before I manually go through all of the packages installed in the virtualenv,
> > does anyone have any ideas as to what sort of things might be causing
> > the above import problem?
>
> I've had some problems with this in the past with other boost.python
> modules (see:
> http://stackoverflow.com/questions/19663366/dlopen-fails-in-boost-python-module).
> Here are some context managers I use to import modules that are causing
> me problems:

Thanks, John - this fixed the problem.
-- 
Lev Givon
Bionet Group
http://www.columbia.edu/~lev/
http://lebedov.github.io/




More information about the graph-tool mailing list