wait() with ROOT6.10

[André Günther]

Hi! 

I recently upgraded to ROOT 6.10 and now am warned by rootpy that the wait() function does not work anymore: 

WARNING:rootpy.interactive.rootwait] unable to access ROOT's GUI thread either because PyROOT's

                finalSetup() was called while in batch mode or because PyROOT

                is using the new PyOS_InputHook-based mechanism that is not yet

                supported in rootpy (PyConfig.StartGuiThread == 'inputhook' or

                gSystem.InheritsFrom('TMacOSXSystem')). wait() etc. will

                instead call input() and wait for [Enter]

I am not really experienced in this kind of things ... is there something I can do except for downgrading?

[André Günther]

For now I solve my problem with a PyROOT solution: 

import rootpy.ROOT as ROOT

ROOT.gApplication.Run()

[André Günther]

But this 'solution' is a bit annoying, i hope someone has a better idea :)

[Noel Dawe]

Thanks for digging into this. It appears that the GUI thread is no longer started by default. One easy fix is to try calling gApplication.Run() inside wait() if it is not yet running. I can test this.

On Thu, Oct 19, 2017 at 7:41 PM, 'André Günther' via rootpy users <rootpy...@googlegroups.com> wrote:

But this 'solution' is a bit annoying, i hope someone has a better idea :)

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[Noel Dawe]

Actually, not that simple. I haven't looked at this code in a while. The GUI thread is running:

>>> getattr(ROOT, 'PyGUIThread', None).isAlive()

True

Something else is wrong..

[André Günther]

Will you have time to figure out what's wrong? I consider wait() a pretty useful method and it's a pity that it doesn't work anymore 

Am Donnerstag, 19. Oktober 2017 11:14:12 UTC+2 schrieb Noel Dawe:

Actually, not that simple. I haven't looked at this code in a while. The GUI thread is running:

>>> getattr(ROOT, 'PyGUIThread', None).isAlive()

True

Something else is wrong..

On Thu, Oct 19, 2017 at 8:00 PM, Noel Dawe <noel...@gmail.com> wrote:

Thanks for digging into this. It appears that the GUI thread is no longer started by default. One easy fix is to try calling gApplication.Run() inside wait() if it is not yet running. I can test this.

On Thu, Oct 19, 2017 at 7:41 PM, 'André Günther' via rootpy users <rootpy...@googlegroups.com> wrote:

But this 'solution' is a bit annoying, i hope someone has a better idea :)

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