Peter,

I'm not ignoring you. However, there are others on the Galaxy team that are 
more familiar with the API and can provider better answers. I expect they'll 
chime in soon to address your questions.

Best,
J.

On May 20, 2012, at 5:39 PM, Peter van Heusden wrote:

> Hi Jeremy
> 
> I'm need this for something I'm implementing at the moment, and how I'm
> thinking about it is making a tool that uses the API to call a workflow.
> There are a few problems though, correct me if I'm wrong:
> 
> 1) In order to make an input history item available to the called
> workflow, the tool needs to somehow know about history items, but the
> tool xml passes in parameters as data files. This could probably be
> remedied by providing a type="history_item" parameter to <param> that
> would provide the id associated with the history item. In the interem,
> just to test things, I'm passing in parameters as a history:history_item
> string (yeah I know, ugly!).
> 
> 2) My particular tool needs to take a history item, splits it into
> partitions, and call a workflow with each of those partitions. For this
> to work, the partition needs to be uploaded as a new history item, but
> that is currently not possible. The other possibility is to create a
> tool that does the split, have it in a single-tool workflow (because
> workflows can be called from the API in such a way that their output
> goes to a new history, whereas I don't see that in the tool interface)
> and then iterate through the history that contains the split data,
> calling the analysis workflow on each item.   
> 
> Peter
> P.S. for my particular problem - call a bunch of tools, once for each
> row in a file of tabular data - it would be WAY easier to just write
> everything in a Python script, but I'm trying to see what is do-able
> within Galaxy.
> 
> On 20/05/2012 16:55, Jeremy Goecks wrote:
>>> Is there any way we can speed up the implementation of this issue?
>> 
>> Community contributions and always encouraged and welcomed. Partial 
>> solutions are fine, and self-contained contributions are likely to be 
>> included more quickly because they are easier to review.
>> 
>> Thanks,
>> J.
>> 
> 
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