Panda3d and cython- problems

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Panda3d and cython- problems

Postby Freakazo » Tue Feb 15, 2011 2:46 am

The blog entry provides an example on how to use cython with panda3d. I had to change the to this to work on linux, the test.pyx remains the same:

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from Cython.Distutils import build_ext
from distutils.core import setup
from distutils.extension import Extension
import sys

# make setup do what we want,
# build extension modules in place

    cmdclass={'build_ext': build_ext},
    ext_modules=[Extension("helloworld", ["Test.pyx"], include_dirs=["/usr/include/panda3d"], language="c++")])

and I have this script to import and run it.

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import panda3d
from panda3d.core import Vec3
from panda3d.core import Geom
import Test

But I get the error:
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ImportError: /media/Storage/Dokumente/Programeering/Cython Testing/src/ undefined symbol: _ZTI11TypedObject

I noticed in the blog entry another user had the same problem (This one) But he still doesn't have an answer.

I'm on linux with cython0.14. Any help would be appreciated.
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Postby treeform » Tue Feb 15, 2011 3:02 pm

Its a C++ linking problem check out the C++ section. My guess is that there is a version missmatch some place.
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Postby dimfish » Fri May 04, 2012 8:03 am

You need to inform the linker which modules to link against. In the provided this can be done by adding

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args['libraries']=['p3framework', 'panda', 'pandafx', 'pandaexpress', 'p3dtoolconfig', 'p3dtool', 'p3pystub', 'p3direct']

before the compilation happens.
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