On Mon, Nov 7, 2011 at 11:13 AM, Emanuele <[email protected]>wrote:
> Hi,
>
> I'm really new to pyglet and I'd like to know how to copy.deepcopy()
> or pickle
> a VertexList and how to restore it at a later stage.
>
> Up to now I observe this behavior (assume 'a' is a VertexList object):
>
> In [112]: copy.deepcopy(a)
> [....very long....]
> TypeError: instancemethod expected at least 2 arguments, got 0
>
> In [115]: pickle.dump(a, open('/tmp/test.pickle','w'))
> [....very long....]
> TypeError: can't pickle instancemethod objects
>
> Is there a way to store a VertexList instance for re-use at a later
> stage?
>
No, pyglet doesn't handle the pickling of OpenGL objects. See this thread
for a more in-depth discussion:
http://groups.google.com/group/pyglet-users/browse_thread/thread/427ef0a486c0d9fb/960896360ac04417
In essence, the recommendation is that instead of pickling the VertexList
itself, you instead store whatever information (vertex data, etc.) that you
need to create the VertexList in the first place, and then you can load
that and re-create the VertexList whenever needed.
--
Tristam MacDonald
System Administrator, Suffolk University Math & CS Department
http://swiftcoder.wordpress.com/
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