On Mon, Nov 16, 2009 at 6:16 AM, <markus.proel...@ifm.com> wrote:
>
> Hello everyone,
>
> I use the following C-Code in visual studio 2005 (I start the program with
> "Release" configuration):
>
> #include <Python.h>
> #include <iostream>
> using namespace std;
>
> void main()
> {
> Py_Initialize();
>
> while (1)
> {
> char test[100] = {};
> cout<<">>> ";
> cin.getline(test, 100);
> PyRun_SimpleString(test);
>
> }
>
> Py_Finalize();
> }
>
> for my first tries to embed python in C.
> However if I try to import pylab (from pylab import *) I get the following
> error:
>
>>>> from pylab import *
> Traceback (most recent call last):
> File "<string>", line 1, in <module>
> File "C:\Python26\lib\site-packages\pylab.py", line 1, in <module>
> from matplotlib.pylab import *
> File "C:\Python26\lib\site-packages\matplotlib\pylab.py", line 206, in
> <module>
> from matplotlib import mpl # pulls in most modules
> File "C:\Python26\lib\site-packages\matplotlib\mpl.py", line 1, in
> <module>
> from matplotlib import artist
> File "C:\Python26\lib\site-packages\matplotlib\artist.py", line 5, in
> <module>
> from transforms import Bbox, IdentityTransform, TransformedBbox,
> TransformedPath
> File "C:\Python26\lib\site-packages\matplotlib\transforms.py", line 34, in
> <module>
> from matplotlib._path import affine_transform
> ImportError: DLL load failed: Eine DLL-Initialisierungsroutine ist
> fehlgeschlagen.
What version of matplotlib are you using? There were some linker
problems with 0.98.x similar to the ones you are showing with
python2.6, but these should be solved with 0.99.x. Also, I wouldn't
recommend importing pylab or pyplot if you are going to try embedding
mpl in C. You should use the API -- what you are trying is difficult
enough w/o dealing with some of the pylab magic like runtime backend
detection.
See
http://matplotlib.sourceforge.net/faq/howto_faq.html#matplotlib-in-a-web-application-server
http://matplotlib.sourceforge.net/faq/installing_faq.html#what-is-a-backend
http://matplotlib.sourceforge.net/faq/usage_faq.html#matplotlib-pylab-and-pyplot-how-are-they-related
http://matplotlib.sourceforge.net/users/artists.html
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