Hi Melissa, It is possible to do things like this using dynamic_options and a code file, which are somewhat deprecated, but still usable. An example that you might want to look at could be the GenomeSpace Export tool (tools/genomespace/genomespace_exporter.*), which queries the GenomeSpace API to get a list of available folders for export for a specific user. It generates a drill_down type select parameter, but the same can be done for a standard select list. Another option would be to have a standalone process that generates a data_table.loc file and, via e.g. cron, updates this loc file and reloads the data table at some set interval. Thanks for using Galaxy, Dan On Oct 9, 2014, at 4:56 PM, Melissa Cline <cline@soe.ucsc.edu> wrote:

Hi Folks,

I suspect I know the answer to this question already, but I have to ask just for the sake of completeness...

I'm working on a tool for which I'd like to query an external server for the set of expected inputs, and then make that set available as input options. The tool in question will import a Galaxy dataset into an external cancer genomics database. The user will need to specify what cancer cohort the new data belongs under. In the perfect world, I would query this cancer genomics database for the existing cancer cohorts, and use that set of cohorts to populate the set of options for a select-type input parameter.

Is anything like this possible? If so, where could I look at some examples?

If not, is there anything you can think of to produce similar behavior?

Thanks!

Melissa

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