I'm not aware of anyone trying this, but I suspect it's related to
differences in how DLL paths are searched on Windows vs. shared objects
on Linux.
This sort of seems like a lower-level Python issue -- I wonder if you
could find other projects that do this and see where matplotlib
differs. For instance, can you import numpy this way? If not, I would
bring this up on the Python users list and see if they have any advice.
Mike
Nick Hilton wrote:
> Hello all,
>
> I am trying to plot things from C using pylab. The configuration:
>
> Window XP 32 bits
> Python-2.6.3
> numpy-1.3.0
> matplotlib-0.99.1.
>
> I can easily do this on Linux, but the same code does not work on Windows.
> Here is a test program that tries to import pylab:
>
> #include <stdio.h>
>
> #include <Python.h>
>
>
>
> int main(void)
>
> {
>
> PyObject * module = NULL;
>
>
>
> Py_Initialize();
>
>
>
> module = PyImport_ImportModule("matplotlib.pylab");
>
>
>
> if(module == NULL || module == Py_None)
>
> {
>
> printf("no\n");
>
> PyErr_Print();
>
> PyErr_Clear();
>
> }
>
> else
>
> {
>
> printf("yes\n");
>
> }
>
>
>
> Py_Finalize();
>
>
>
> return 0;
>
> }
>
> The code above works fine with Python2.6 and Linux. However, on Windows it
> fails; here is the output:
>
> no
>
> Traceback (most recent call last):
>
> 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: The specified module could not be found.
>
> Has anybody tried this?
>
> Thanks!
> Nick
>
>
>
>
>
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--
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA
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ahead of the curve. Join us from November 9 - 12, 2009. Register now!
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