[vbox-dev] Guest os display image from vbox python API?

Grigory Petrov eyeofhell at me.com
Thu Jun 25 08:12:12 PDT 2009

In virtualbox API documentation it is listed that getFramebuffer()  
takes more than one parameter. I have tried your example code on both  
windows and ubuntu, beta1 and beta2. It's always 'invalid number of  
parameters' error. What is a trick to run a code you have suggested?

Best, Grigory Petrov

On Jun 23, 2009, at 2:21 PM, Nikolay Igotti <Nikolay.Igotti at Sun.COM>  

> Hi Grigory,
> Yes, it is possible, although in somewhat convoluted way, for  
> example on Linux in vboxshell one can issue following command  
> (assuming you started guest in not headless mode):
> vbox> guest nt4sp6 os.system('xwd -id '+str 
> (console.display.getFramebuffer(0)[0].winId)+'| xwdtopnm | pnmtopng  
> > /tmp/Screenshot.png')
> It will take screen of the first display in guest called 'nt4sp6',  
> although relying upon few external programs
> for image conversion. Similar approach can be taken on Windows.
> We're considering implementing more straightforward API in the future.
> Thanks,
>   Nikolay
> Grigory Petrov wrote:
>> Hello.
>> Is it possible to use Python API in order to get image of guest os  
>> display? (complete display or part of display, with or without  
>> guest additions, it doesn't matter). I can speculate that this can  
>> be done somehow via getFramebuffer() method, but exact sequence is  
>> unclear - it's no example available :(.
>> Best, Grigory
>> _______________________________________________
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>> vbox-dev at virtualbox.org
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