[SciPy-user] weave problem on ubuntu 8.10

Søren Nielsen soren.skou.nielsen@gmail....
Mon Nov 17 10:08:02 CST 2008


Hi Rob,

What are the first lines of your error message?

I found the answer to my own question... I just had to add type_converters =
converters.blitz under the ext_function.

On Mon, Nov 17, 2008 at 4:18 PM, Bobby H. Braswell <rob.braswell@unh.edu>wrote:

>
> Hi-
>
> By coincidence I am trying to get weave working on a new system, I had
> previously been using it successfully under OS X with the Fink version of
> SciPy. I don't want to distract from Soren's question but when I try his
> simple example (or any of my own) using converters.blitz, I get a very long
> error message, actually mostly warnings, but it ends like this:
>
> >>> ravg = weave.inline(code, ['xlen', 'ylen', 'test'],
> type_converters=converters.blitz, compiler = 'gcc')
> ...hundreds of lines...
> Traceback (most recent call last):
>   File "<stdin>", line 2, in <module>
>   File "/usr/lib/python2.5/site-packages/scipy/weave/inline_tools.py", line
> 339, in inline
>     **kw)
>   File "/usr/lib/python2.5/site-packages/scipy/weave/inline_tools.py", line
> 447, in compile_function
>     verbose=verbose, **kw)
>   File "/usr/lib/python2.5/site-packages/scipy/weave/ext_tools.py", line
> 365, in compile
>     verbose = verbose, **kw)
>   File "/usr/lib/python2.5/site-packages/scipy/weave/build_tools.py", line
> 269, in build_extension
>     setup(name = module_name, ext_modules = [ext],verbose=verb)
>   File "/usr/lib/python2.5/site-packages/numpy/distutils/core.py", line
> 184, in setup
>     return old_setup(**new_attr)
>   File "/usr/lib/python2.5/distutils/core.py", line 168, in setup
>     raise SystemExit, "error: " + str(msg)
> scipy.weave.build_tools.CompileError: error: Command "g++ -pthread
> -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -fPIC
> -I/usr/lib/python2.5/site-packages/scipy/weave
> -I/usr/lib/python2.5/site-packages/scipy/weave/scxx
> -I/usr/lib/python2.5/site-packages/scipy/weave/blitz
> -I/usr/lib/python2.5/site-packages/numpy/core/include
> -I/usr/include/python2.5 -c
> /home/braswell/.python25_compiled/sc_f8b4f30889557b51310ac43eda9472b30.cpp
> -o
> /tmp/braswell/python25_intermediate/compiler_a9bbef2f14d61f7aa8f0ba6e068e18c2/home/braswell/.python25_compiled/sc_f8b4f30889557b51310ac43eda9472b30.o"
> failed with exit status 1
>
> Sorry if this is more of a compiler/Ubuntu problem, I'm not sure about
> that. I'd be grateful to hear from someone who has had or not had problems
> with Weave on Ubuntu 8.10.
>
> Thanks very much,
> Rob
>
> On Mon, 2008-11-17 at 15:40 +0100, Søren Nielsen wrote:
>
> Can anyone explain why this fails? This piece of code runs perfectly using
> weave.inline and type_converters = blitz..
>
> Obviously it can't handle 2D arrays anymore. It's just a stupid example to
> illustrate that.
>
> Thanks,
> Soren
>
> CODE :
>
> ------------------------------------------------------------------------------------------------
> mod = ext_tools.ext_module('ravg_ext')
>
> test = zeros((5,5))
> xlen = 5
> ylen = 5
>
> code = """
>          int x, y;
>
>          for( x = 0; x < xlen; x++)
>          {
>                 for( y = 0; y < ylen; y++)
>                 {
>                     test(x,y) = 2;
>                 }
>          }
>
>         """
>
> ravg = ext_tools.ext_function('ravg', code, ['xlen', 'ylen', 'test'])
> mod.add_function(ravg)
> mod.compile(compiler = 'gcc')
>
> RESULT:
>
> ------------------------------------------------------------------------------------------------
> C:\Temp\ravg_ext.cpp: In function `PyObject* ravg(PyObject*, PyObject*,
> PyObject*)':
> C:\Temp\ravg_ext.cpp:654: error: `test' cannot be used as a function
> C:\Temp\ravg_ext.cpp:641: warning: unused variable 'Ntest'
> C:\Temp\ravg_ext.cpp:642: warning: unused variable 'Stest'
> C:\Temp\ravg_ext.cpp:643: warning: unused variable 'Dtest'
>
> Traceback (most recent call last):
>   File "C:\Temp\ravg_extension.py", line 132, in ?
>     build_ravg_extension()
>   File "C:\Temp\ravg_extension.py", line 125, in build_ravg_extension
>     mod.compile(compiler = 'gcc')
>   File "C:\Python24\Lib\site-packages\scipy\weave\ext_tools.py", line 365,
> in compile
>     verbose = verbose, **kw)
>   File "C:\Python24\Lib\site-packages\scipy\weave\build_tools.py", line
> 269, in build_extension
>     setup(name = module_name, ext_modules = [ext],verbose=verb)
>   File "C:\Python24\Lib\site-packages\numpy\distutils\core.py", line 184,
> in setup
>     return old_setup(**new_attr)
>   File "C:\Python24\Lib\distutils\core.py", line 166, in setup
>     raise SystemExit, "error: " + str(msg)
> CompileError: error: Command "g++ -mno-cygwin -O2 -Wall
> -IC:\Python24\lib\site-packages\scipy\weave
> -IC:\Python24\lib\site-packages\scipy\weave\scxx
> -IC:\Python24\lib\site-packages\numpy\core\include -IC:\Python24\include
> -IC:\Python24\PC -c C:\Temp\ravg_ext.cpp -o
> c:\docume~1\ssn\locals~1\temp\ssn\python24_intermediate\compiler_894ad5ed761bb51736c6d2b7872dc212\Releas
>
>
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