how to find all unloaded (unchecked) referenced files in maya ?

[gnn]

Hi!
Did someone know why this little script isn't print all the unloaded referenced files in my .ma file?
i've got somes nested ones who are unchecked in the referenced editor,
and even if it print them in : 'print eachnode',
it doesn't tell me that they're unloaded...??

references=[]
for ref_node in cmds.ls(type='reference'):
    references.append(ref_node)
for eachnode in references:
    print eachnode
    unLoaded_ref_files = cmds.referenceQuery(eachnode, filename=True, isLoaded=False)
print unLoaded_ref_files      

thanks a lot for any help

[Neil Roche]

Off the top of my head I think the referenceQuery command will only return a boolean for the isLoaded flag.

[Andres Weber]

This one liner seems to work

unloaded_reference_files = [file for file in cmds.file(reference=True, q=True) if not cmds.referenceQuery(file, isLoaded=True)]

[gnn]

Thanks a lot Andes for your answer,
I'd done like that, it's working now :)

unLoaded_ref_files=[]
refList = pm.ls(type='reference')
for ref in refList:
    try:
        if ref.isLoaded():
            print ref
        else:
            refUnloaded="{}".format(ref)
            print "{} IS NOT LOADED".format(ref)
            unLoaded_ref_files.append(refUnloaded)
    except:
        print "FAILED with {}".format(ref)

[Andres Weber]

Love how many ways Maya/Pymel includes to solve a problem!  It's a bit more verbose and seems to have some paths it might not go down (did you find it was actually going to the error catching section?) but if it works for you, that's great.

Just a tip, there's a few I could mention but this was the most glaring:

As a general rule you should always specify what errors you're expecting in the except section so you don't confuse yourself down the line depending on what input you pass.  It tends to be a bad design paradigm!

[Gmanue]

Thanks for your advice, as i'm newbee with python it's nice to help me with that!

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