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**Basje** · 2012-09-16, 23:08

With recent nightly builds I noticed that Python scripts using WindowXML do no longer work. It does not seem to find some windows:

Code:
RuntimeError: Non-Existent Control 1051

Even though that control is definitely in the XML files. I did notice a lot of Python related check-ins. Did anything change in the WindowXml world?[/php]

**Martijn** · 2012-09-17, 03:28

what recent nightly build because maybe it already has been fixed?

**jfcarroll** · 2012-09-17, 03:34

Yup. If you're using the _cmp_ (the overloaded '==' operator) to check for the control, then I just checked in a fix.

Try the current master. If it's still not working, post here.

PLEASE MAKE SURE YOU REBUILD FROM SCRATCH. There's a problem with some of the platforms with correctly regenerating code.

Thanks
Jim

**Basje** · 2012-09-17, 09:13

(2012-09-17, 03:34)jfcarroll Wrote: Yup. If you're using the _cmp_ (the overloaded '==' operator) to check for the control, then I just checked in a fix.

Try the current master. If it's still not working, post here.

PLEASE MAKE SURE YOU REBUILD FROM SCRATCH. There's a problem with some of the platforms with correctly regenerating code.

Thanks
Jim

I used Saturday's nightly build (for mirrrors.xbmc.org). The error occurs on this line:

Code:
self.getControl(1050).setVisible(True)

**jfcarroll** · 2012-09-17, 13:27

I really meant "just checked in a fix" ...like 2 minutes before (Sunday night, east coast US). It'd be great if I could get an entire addon that exhibits this behavior (if it's still happening).

Please make sure you build from scratch when checking out new code.

Thanks
Jim

**Basje** · (This post was last modified: 2012-09-17, 22:10 by Basje.)

(2012-09-17, 13:27)jfcarroll Wrote: I really meant "just checked in a fix" ...like 2 minutes before (Sunday night, east coast US). It'd be great if I could get an entire addon that exhibits this behavior (if it's still happening).

Please make sure you build from scratch when checking out new code.

Thanks
Jim

I will try tonight's Nightly and then let you know. If you want to test it yourself, you can install the XOT-Uzg.v3 add-on via it's repository (See here: Install XOT-Uzg.v3 in XBMC (Dharma/Eden/Frodo). After installation it should show under Program Add-Ons.

**Basje** · 2012-09-17, 22:31

I just installed XBMCSetup-20120916-ce9750d-master.exe, which should include your fix b59ddb1bce5ed6ee3f56371e2e61553ca1b1925e.

With this build the issue still exists. So I invite you to install my add-on and test it yourself (might need to restart it the first run, due to some config stuff that is initialized on the first boot).

**jfcarroll** · 2012-09-18, 13:27

Basje, I couldn't get your script to go past the loading dialog (on either the latest, or a version prior to all of the changes in the scripting engine).

**jfcarroll** · 2012-09-18, 14:38

Nevermind. I installed it wrong. Will try again later.

**Basje** · 2012-09-21, 21:54

(2012-09-18, 14:38)jfcarroll Wrote: Nevermind. I installed it wrong. Will try again later.

Did you manage to get it installed?

**jfcarroll** · 2012-09-23, 15:35

I'm not sure. I think maybe I did have it installed correctly. But, it comes up under Videos, not Programs (like the doc says) and it just sits on the loading dialog.

**jfcarroll** · 2012-09-23, 15:38

Ha ha... it appears to be in both places. Maybe I have it installed correctly AND incorrectly.

**jfcarroll** · 2012-09-23, 15:42

Ok. This error is from the codebase PRIOR to any of the codegenerator changes going in:

09:38:15 T:139999207294720 ERROR: Non-Existent Control 1051

So there's nothing that's been introduced by the codegenerator, which is a complete rewrite of the entire scripting engine. In both cases it gets this error. I suggest you check the exact window/control you're trying to retrieve that control from.

**Basje** · 2012-09-23, 15:48

(2012-09-23, 15:42)jfcarroll Wrote: Ok. This error is from the codebase PRIOR to any of the codegenerator changes going in:

09:38:15 T:139999207294720 ERROR: Non-Existent Control 1051

So there's nothing that's been introduced by the codegenerator, which is a complete rewrite of the entire scripting engine. In both cases it gets this error. I suggest you check the exact window/control you're trying to retrieve that control from.

It is strange, because it runs fine on my ATV2 with the Alpha 5 build. But not on the nightly builds and I did not change anything in the script in the mean time.

**jfcarroll** · 2012-09-23, 15:52

There is one difference to note. The old system used to raise a "TypeError" in python when this happend. Now a RuntimeError is raised. Maybe that explains why you notice a difference?