[Bf-python] Script link additions

[Carlos López]

Hello,
I was waiting for this a long time ago. It's a great addition, at least 
for complexing geometries, or creating scripts like Fiber or Beast in 
render time, etc.
Just to say thank you,

Klópes

Willian Padovani Germano wrote:

> Hi,
>
> Been busy this week (sorry JMS and Campbell, had no time to work on 
> updating scripts and checking patches yet) with a few additions 
> committed today that need a little explaining:
>
> The "Render" script link (slink for short) was added.  *It runs 
> twice*, before and after rendering.  Before rendering Blender.event is 
> "Render" and after, "PostRender".  This was done so render slinks can 
> clean up whatever data they created solely for rendering.
>
> So suggested is that "Render" slinks do something like this (not 
> mentioning the case of script being run with ALT+P as a normal script):
>
> import Blender
>
> if Blender.event == "Render":
>  # prepare for rendering...
> elif Blender.event == "PostRender":
>  # clean up, revert changes if needed...
>
> I disabled "FrameChanged" during renders, since there's a render event 
> now.  To standardize things it's better to use FrameChanged only for 
> what it says: frame changes.  It's still used in Scene changes, too, 
> not sure if it should go away there and be substituted by "OnLoad".
>
> All slinks can also be disabled now via "blender -y" or the new button 
> at the script buttons tab.  Adding slinks has also changed (improved?) 
> a bit, just try to see.
>
> The other addition is called "space handlers", but I'll put it in 
> another email, this one is big enough.
>