I'm trying to figure out how I can delete a bitstream, now I have this
curtation task but I'm not able to delete the file, I can not discover how
I have to call a delete or remove method from this file, do you know how I
can delete it?
class MyTask(ScriptedTask):
def init(self, curator, taskName):
print "initializing with Jython"
def performDso(self, dso):
print "perform on dso "
if dso.getType()==2:
print "Item '" + dso.getName() + "'
("+dso.getHandle()+")"
myBundles =
dso.itemService.getBundles(dso,"THUMBNAIL")
for i in myBundles:
myBitstreams = i.getBitstreams()
for k in myBitstreams:
print "I WANT TO DELETE THIS FILE
"+k.getName()
return 0
def performId(self, context, id):
print "perform on id %s" % (id)
return 0
El dimarts, 1 març de 2016 0:19:41 UTC+1, Andrea Schweer va escriure:
>
> Hi Jeffrey,
>
> On 01/03/16 12:02, Jeffrey Sheldon wrote:
> > 1. I'd like to remove a large number of thumbnail bitstreams that were
> generated for various bitstream types (JPEG, PDF, text, etc.). I'm doing
> this to simply fall back on a generic icon view for various bitstream types
> and be more selective about which types have generated thumbnails.
>
> The "right" way to do this is probably via a curation task, assuming you
> have Java skills available locally. The documentation is here:
>
> https://wiki.duraspace.org/display/DSDOC5x/Curation+System#CurationSystem-Writingyourowntasks
>
> -- there is also an option to use Jython (a python flavour) if that's
> more convenient:
> https://wiki.duraspace.org/display/DSDOC5x/Curation+tasks+in+Jython
>
> I have a script on github that removes PNG thumbnails for bitstreams
> that also have a JPG thumbnail:
>
> https://github.com/UoW-IRRs/DSpace-Scripts/blob/master/src/main/java/nz/ac/waikato/its/irr/scripts/RemovePNGThumbnailsForPDFs.java
>
> We had custom thumbnails for a while and switched back to DSpace default
> when we upgraded to 5.x; the script was used as a one-off during the
> upgrade. It's a command-line script, to be invoked via dsrun after
> dropping the jar file into [dspace]/lib. I believe I went that route
> (instead of writing a curation task) because it was faster to write this
> way and we were confident that it really only would run once. It should
> be easy enough to rip out the processItem method and toss it into a
> curation task.
>
> cheers,
> Andrea
>
> --
> Dr Andrea Schweer
> Lead Software Developer, ITS Information Systems
> The University of Waikato, Hamilton, New Zealand
> +64-7-837 9120
>
>
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