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On Sun, Nov 26, 2017 at 05:17:26PM -0500, Chris Laprise wrote:
> I'm trying to fix issue #3303 (inability to use --verify-only with
> qvm-backup-restore) but to do that I need to supply vm objects that are not
> actual vms. Otherwise, the tool can't cope with archives containing vm names
> not present in the live system.
> 
> I'm not sure what is the right approach for instantiating 'dummy' vm classes
> (or at least ones that will be useful to the restore tool).
> 
> Quick-fix me wants to do: dummyvm = qubesadmin.vm.QubesVM(None, "dummy1")
> 
> ...but I want it to be correct.

This will raise NotImplementedError on the first try to call any
AdminAPI method - like getting property. Better create DummyQubes class,
being subclass of QubesBase (see qubesadmin/app.py), and put empty
qubesd_call method there. Then use that instead of None for QubesVM
constructor. Something like this:

    class DummyQubes(qubesadmin.app.QubesBase):
        def qubesd_call(self, *args, **kwargs):
            pass

    dummy_app = DummyQubes()

    dummyvm = qubesadmin.vm.QubesVM(dummy_app, "dummy1")

- -- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
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