Hi Frank, I have to admit I scanned that super quickly just now, but it looks like I'd have to touch the Write node to add beforeRender callbacks? If that's the case and I get a moment this afternoon I will try stashing a disabled dummy Write node in a group and see if I can run anything.
On Mon, Apr 27, 2015 at 8:29 PM, Frank Harrison <fr...@thefoundry.co.uk> wrote: > Does this callback solve your "right before render" problem? > > > http://docs.thefoundry.co.uk/nuke/90/pythondevguide/callbacks.html?highlight=beforerender > > > As for calling something during render, well Nuke provides the > executeInMainThread() set of functions, NOTE: these only work in GUI mode: > > > http://docs.thefoundry.co.uk/nuke/90/pythondevguide/threading.html?highlight=executeinmainthread > > > Otherwise, the problem is a standard threading issue, i.e. you could spawn > a thread when you receive beforeRender() to do some tertiary work and kill > it on afterRender(). However, if you want to communicate with Nuke from a > custom thread whilst in render/terminal mode you may experience some > problems calling non-thread safe interfaces (e.g. nuke.createNode()), which > is something we hope to fix in the not to distant future. > > Does that answer you question? :) > > On 26 April 2015 at 04:16, Sam Cole <samb...@gmail.com> wrote: > >> In the same vein, what's the easiest way to call something during a >> render without touching write nodes? e.g. If I want to call a pyscript >> buttons execute right before a render but not mess with any of the facility >> preflight etc. >> >> >> >> On Sat, Apr 25, 2015 at 1:44 AM, Frank Harrison <fr...@thefoundry.co.uk> >> wrote: >> >>> Just saying that you don't want to rely on having a valid nuke module, >>> Root_Node, DDImage infrastructure, etc.. >>> >>> If it's a gui-only thing you could connect a slot to the aboutToQuit() >>> signal >>> >>> http://doc.qt.io/qt-4.8/qcoreapplication.html#aboutToQuit >>> >>> >>> On 24 April 2015 at 14:19, Fredrik Averpil <fredrik.aver...@gmail.com> >>> wrote: >>> >>>> Hi Frank, >>>> >>>> I just ran a test here with atExit, and that worked fine. Are you >>>> saying I shouldn't rely on it? >>>> If so, any other ideas? >>>> >>>> Regards, >>>> Fredrik >>>> >>>> >>>> >>>> On Thu, Apr 23, 2015 at 3:07 PM Frank Harrison <fr...@thefoundry.co.uk> >>>> wrote: >>>> >>>>> Just to let you know that by the time atExit callbacks are called Nuke >>>>> will have shut down most of its systems :) >>>>> >>>>> On 23 April 2015 at 09:05, Ben Dickson <ben.dick...@rsp.com.au> wrote: >>>>> >>>>>> You can run code when the python interpreter exits with the 'atexit' >>>>>> module: >>>>>> >>>>>> https://docs.python.org/2/library/atexit.html >>>>>> >>>>>> >>>>>> On 23/04/15 17:27, Fredrik Averpil wrote: >>>>>> >>>>>>> Does anyone know if it is possible to tell Nuke to execute a function >>>>>>> when it exits? >>>>>>> >>>>>>> Regards, >>>>>>> Fredrik >>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> Nuke-python mailing list >>>>>>> Nuke-python@support.thefoundry.co.uk, >>>>>>> http://forums.thefoundry.co.uk/ >>>>>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-python >>>>>>> >>>>>>> >>>>>> -- >>>>>> ben dickson >>>>>> 2D TD | ben.dick...@rsp.com.au >>>>>> rising sun pictures | www.rsp.com.au >>>>>> _______________________________________________ >>>>>> Nuke-python mailing list >>>>>> Nuke-python@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ >>>>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-python >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> Frank Harrison >>>>> Senior Nuke Software Engineer >>>>> The Foundry >>>>> Tel: +44 (0)20 7968 6828 - Fax: +44 (0)20 7930 8906 >>>>> Web: www.thefoundry.co.uk >>>>> Email: frank.harri...@thefoundry.co.uk >>>>> _______________________________________________ >>>>> Nuke-python mailing list >>>>> Nuke-python@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ >>>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-python >>>>> >>>> >>>> _______________________________________________ >>>> Nuke-python mailing list >>>> Nuke-python@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ >>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-python >>>> >>>> >>> >>> >>> -- >>> Frank Harrison >>> Senior Nuke Software Engineer >>> The Foundry >>> Tel: +44 (0)20 7968 6828 - Fax: +44 (0)20 7930 8906 >>> Web: www.thefoundry.co.uk >>> Email: frank.harri...@thefoundry.co.uk >>> >>> _______________________________________________ >>> Nuke-python mailing list >>> Nuke-python@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ >>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-python >>> >>> >> >> _______________________________________________ >> Nuke-python mailing list >> Nuke-python@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ >> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-python >> >> > > > -- > Frank Harrison > Senior Nuke Software Engineer > The Foundry > Tel: +44 (0)20 7968 6828 - Fax: +44 (0)20 7930 8906 > Web: www.thefoundry.co.uk > Email: frank.harri...@thefoundry.co.uk > > _______________________________________________ > Nuke-python mailing list > Nuke-python@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-python > >
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