Can't modify blend data in this state (drawing/rendering) about blender-to-renderman

[EibrielInv]

The previous error I've get from console, but in Blender UI I get:
http://www.pasteall.org/pic/9046

(the previous error appear too much times and erase this error from the console)

[frigge]

did you try both blenders render op and the custom one? i've added a checkbox to the render panel "Use BI Render Op" to switch between both.

edit: sorry just checked that i didn't commit that yet. So try to hit F12 maybe that works. If not, wait a little. I'll commit the fix soon.

[EibrielInv]

Ok! I'll wait

[EibrielInv]

Hi Frigge, I think I've find the main error, is:

I open blender, set renderer to Renderman, and I get:

Traceback (most recent call last):
  File "/home/gabriel/Documentos/SoftLibre/Blender/blender25-bf/2.56/scripts/addons/export_renderman/ui.py", line 1320, in draw
    active_pass = getactivepass(scene)
  File "/home/gabriel/Documentos/SoftLibre/Blender/blender25-bf/2.56/scripts/addons/export_renderman/rm_maintain.py", line 120, in getactivepass
    active_pass = passes[rm.passes_index]
IndexError: bpy_prop_collection[index]: index -1 out of range, size 0

location:<unknown location>:-1

location:<unknown location>:-1

The error appear both in the last build on Graphicall.org, and in the last Beta published on Blender.org .

What version of Blender 2.5 are you using?

Regards!!

[frigge]

try to hit the "run modal" button in the render panel. When starting the script it has to check if there's a "Beauty" Pass and if not it should create it. If that doesn't happen it means that the modal operator that should execute the checks isn't running.
I know this is an ugly solution but unfortunately at the moment there is no event system in blender's python api so there is no other way to check these kind of things. Luckily the event system is on the way so this is not the final solution but only a workaround to keep things working for now.
If it is still not working you can also add the Beauty pass via python by typing
"C.scene.renderman_settings.passes.add().name="Beauty"" in the console.
Hope it helps
frigge

[frigge]

added a check to prevent the IndexError exception. You still need to start the modal operator before doing anything with the script but at least this ugly error should be gone :)

[EibrielInv]

Is solved, yes :D

(using C.scene.renderman_settings.passes.add().name="Beauty" )