[vistrails-users] Issue with List handling

Jeffrey Guenther guenther.jeffrey at gmail.com
Tue Aug 5 16:08:56 EDT 2014


HI David, 

I’m definitely interested in running those features. What do I need to do?

I’m in the process of writing up my dissertation on a topic (github.com/jrguenther/shiro) closely related to VisTrails and wanted to make sure I represented VisTrails accurately in my work.

Thanks,
Jeff


On Aug 5, 2014, at 1:05 PM, David Koop <dakoop at nyu.edu> wrote:

> Hi Jeff,
> 
> The list handling section you reference is a new feature that will appear in a future version of VisTrails.  Please check that you are using the 2.1 documentation available here:
> 
> http://www.vistrails.org/usersguide/v2.1/html
> 
> If you are interested in the new list handling features, they are available in the master branch at http://github.com/vistrails/vistrails, and there are methods for running that code using the 2.1 Mac binaries if you are interested.  Let us know,
> 
> David Koop
> VisTrails Developer
> 
> On Aug 5, 2014, at 12:56 PM, Jeffrey Guenther <guenther.jeffrey at gmail.com> wrote:
> 
>> Hi, 
>> 
>> I'm following the tutorial in Section 4.3.2 of the user guide and I can't see to get the list to work.
>> 
>> I'm asked to create a PythonSource module that outputs 3 lists. It also asks that I set the list depth to 1. I understand what this does. I just can't find where to set it. Where do I set it?
>> 
>> As a result, workflow gives me an error in the ConcatenateString module saying that it expected a str and it got a list.
>> 
>> Uncaught exception: "cannot concatenate 'str' and 'list' objects"
>> Traceback (most recent call last):
>> File "/Applications/VisTrails/VisTrails.app/Contents/Resources/lib/python2.7/vistrails/core/modules/vistrails_module.py", line 400, in update
>> File "/Applications/VisTrails/VisTrails.app/Contents/Resources/lib/python2.7/vistrails/core/modules/basic_modules.py", line 741, in compute
>> TypeError: cannot concatenate 'str' and 'list' objects
>> 
>> 
>> 
>> I'm running VisTrails (2.1.3.8262f078ed3b) on OS X Mavericks.
>> 
>> Thanks, 
>> Jeff 
>> _______________________________________________
>> vistrails-users mailing list
>> vistrails-users at vistrails.org
>> http://lists.vistrails.org/mailman/listinfo/vistrails-users
> 



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