[Bf-python] Automating tasks in blender via blender --python script.py

[HartsAntler]

You can side step context-hell for ctypes-hell if you call blender's C-API
directly using "libblender" and its ctypes wrapper.  Here is a quick look:
http://code.google.com/p/libblender/source/browse/tests/creator.py

-brett-

On Wed, May 2, 2012 at 10:33 PM, Rodrigo Benenson <
rodrigo.benenson at gmail.com> wrote:

> operators are in play...
>
> regards,
> rodrigob.
>
> On Wed, May 2, 2012 at 4:22 PM, Bassam Kurdali <bassam at urchn.org> wrote:
> > Quick question: what are you trying to do? Can you avoid using operators
> and
> > just do it using bpy.data?
> >
> > On Wed May  2 2012 07:59:45 AM EDT, Rodrigo Benenson
> > <rodrigo.benenson at gmail.com> wrote:
> >
> >> Dear Blender mailing list,
> >>
> >> I just spent 3 hours on the blender IRC trying to figure out how to
> >> automate a specific task using a python script called via "blender
> >> --python script.py".
> >>
> >> The purpose of the script is to open a blender file, apply some
> >> operations and save the new blender file.
> >> This must be done without any click from the user, so that the process
> >> can be called via command line (i.e. as part of a bigger system).
> >>
> >> Quite rapidly I entered into "context hell" trying to figure out the
> >> proper context to call "bpy.ops.graph.select_all_toggle();
> >> bpy.ops.graph.sample()".
> >> The answer to this was "the_scene.objects.active = the_object;
> >> bpy.context.area.type='GRAPH_EDITOR' " (found by someone in the IRC 2
> >> hours after my first attempt).
> >>
> >> The key problem now is that when running via  "blender --python
> >> script.py" bpy.context.area is None, this seems to be a consequence of
> >> bpy.context.window being None.
> >>
> >> > From what I could gather in the IRC, no one is aware of a method to
> >> create a new window (or setup properly the bpy.context.area) from
> >> python.
> >> In this case the documentation is of no help (it does not even mention
> >> bpy.context.area).
> >>
> >> Being able to launch automated tasks via "blender --python script.py"
> >> seems like a natural usage of this feature, and has multiple use
> >> cases.
> >>
> >> Does any one have a suggestion/idea on how we could make this work ?
> >>
> >> Thanks for your input.
> >> Best regards,
> >> rodrigob.
> >> _______________________________________________
> >> Bf-python mailing list
> >> Bf-python at blender.org
> >> http://lists.blender.org/mailman/listinfo/bf-python
> >
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