Hi,
There seems to be a weird bug with the "Input dataset" workflow
control feature, hard to explain clearly but I'll try my best.
If you define a custom datatype that is a simple subclass of an
existing galaxy datatype, e.g.:
<datatype extension="myext" type="galaxy.datatypes.data:Text"
subclass="True" display_in_upload="true"/>
And if this datatype will be the input to a workflow where you want to
use the multiple input files feature you must put into your workflow
editor an "Input dataset" box at the beginning and connect it.
If you define a custom datatype that's it's own custom class, e.g.:
<datatype extension="myext" type="galaxy.datatypes.data:MyExt"
display_in_upload="true"/>
with a simple class in lib/galaxy/datatypes/data.py e.g.:
class MyExt( Data ):
file_ext = "myext"
And if this datatype will be the input data to a workflow if you have
an "Input dataset" box at the beginning for some reason the drop-down
menu (or multi-select) won't not have files of this type from your
history it just ignores them. Now what is strange is if I edit the
workflow and remove the beginning "Input dataset" box and start the
workflow with just the first tool which has this custom datatype as an
input parameter then when I try to run the workflow everything shows
up properly :-/
Hope I explained this ok, seems like something is broken with the
"Input dataset" workflow control feature.
best,
Leandro
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