[Pyrex] newbie question: error using pyrex

[Robert Bradshaw]

What version of pyrex are you using?

On Sep 19, 2007, at 12:45 AM, Christian Meesters wrote:

> Thanks,
>
> This is all valuable input I will consider. However, wenn compiling  
> with
> the following setup script:
>
> from distutils.core import setup
> from distutils.extension import Extension
> from Pyrex.Distutils import build_ext
>
> setup(
>     name = "pofr",
>     ext_modules = [
>         Extension("pofr", ["pofr_module3.pyx"])
>         ],
>     cmdclass = {'build_ext' : build_ext}
> )
>
> I'll get a bunch of warnings:
> pofr_module3.c: In function ‘__pyx_f_12pofr_module3_pofr’:
> pofr_module3.c:203: warning: label ‘__pyx_L3’ defined but not used
> pofr_module3.c:201: warning: label ‘__pyx_L2’ defined but not used
> pofr_module3.c:200: warning: label ‘__pyx_L5’ defined but not used
> pofr_module3.c:198: warning: label ‘__pyx_L4’ defined but not used
> pofr_module3.c: At top level:
> pofr_module3.c:27: warning: ‘__Pyx_UnpackItem’ declared ‘static’ but
> never defined
> pofr_module3.c:28: warning: ‘__Pyx_EndUnpack’ declared ‘static’ but
> never defined
> pofr_module3.c:29: warning: ‘__Pyx_PrintItem’ declared ‘static’ but
> never defined
> pofr_module3.c:30: warning: ‘__Pyx_PrintNewline’ declared ‘static’ but
> never defined
> pofr_module3.c:31: warning: ‘__Pyx_Raise’ declared ‘static’ but never
> defined
> pofr_module3.c:32: warning: ‘__Pyx_ReRaise’ declared ‘static’ but  
> never
> defined
> pofr_module3.c:33: warning: ‘__Pyx_Import’ declared ‘static’ but never
> defined
> pofr_module3.c:34: warning: ‘__Pyx_GetExcValue’ declared ‘static’ but
> never defined
> pofr_module3.c:35: warning: ‘__Pyx_ArgTypeTest’ declared ‘static’ but
> never defined
> pofr_module3.c:36: warning: ‘__Pyx_TypeTest’ declared ‘static’ but  
> never
> defined
> pofr_module3.c:37: warning: ‘__Pyx_GetStarArgs’ declared ‘static’ but
> never defined
> pofr_module3.c:38: warning: ‘__Pyx_WriteUnraisable’ declared ‘static’
> but never defined
> pofr_module3.c:40: warning: ‘__Pyx_ImportType’ declared ‘static’ but
> never defined
> pofr_module3.c:41: warning: ‘__Pyx_SetVtable’ declared ‘static’ but
> never defined
> pofr_module3.c:42: warning: ‘__Pyx_GetVtable’ declared ‘static’ but
> never defined
> pofr_module3.c:43: warning: ‘__Pyx_CreateClass’ declared ‘static’ but
> never defined
> pofr_module3.c:45: warning: ‘__Pyx_InitStrings’ declared ‘static’ but
> never defined
> gcc -pthread -shared -Wl,-O1 build/temp.linux-i686-2.5/ 
> pofr_module3.o -o
> build/lib.linux-i686-2.5/pofr.so
>
> These warnings vary, of course, depending on the actual code for
> pofr_module?.pyx, but are all similar.
>
> When calling the compiler directly:
> cmeesters:src cm$ gcc -c -fPIC -I/usr/include/python2.5/  
> pofr_module2.c
> cmeesters:src cm$ gcc -shared pofr_module2.o -o pofr.so
> I don't get any warnings and the module is compiled (nice).
>
> However, import into python does not work for both scenarios:
> Python 2.5.1 (r251:54863, May  2 2007, 16:56:35)
> [GCC 4.1.2 (Ubuntu 4.1.2-0ubuntu4)] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
>>>> import pofr
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
> ImportError: dynamic module does not define init function (initpofr)
>
> What am I missing now? And can anybody point me to the relevant
> documentation, in case I overlooked that part?
>
> TIA
> Christian
>
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