Hi, here is a VS2003 build of matplotlib-0.99.0 for Python 2.5 for comparison:
<http://www.lfd.uci.edu/~gohlke/download/matplotlib-0.99.0.win32-py2.5.exe> Christoph On 08/07/2009 00:27, John Hunter wrote: > On Thu, Aug 6, 2009 at 8:48 PM, Patrick Rynhart<prynh...@gmail.com> wrote: >> Dear all, >> >> We are using Python 2.5, matplotlib and NumPy on Windows to assist >> with the teaching for an undergraduate paper. On a small number of >> installations, an error attempting to load some required DLL's is >> being reported (on approx 3 machines out of approximately 60). There >> doesn't appear to be any pattern with this - we can seen it on one >> install of Windows Server 2008 and also on various versions of Windows >> XP (Professional and Home). >> >> Symptoms are, after a "from pylab import *", the following traceback: >> >> Traceback (most recent call last): >> File "C:\Documents and >> Settings\Jo\workspace\test\src\root\nested\__init__.py", line 2, in >> <module> >> from pylab import * >> File "C:\Python25\Lib\site-packages\pylab.py", line 1, in<module> >> from matplotlib.pylab import * >> File "C:\Python25\Lib\site-packages\matplotlib\pylab.py", line 206, >> in<module> >> from matplotlib import mpl # pulls in most modules >> File "C:\Python25\Lib\site-packages\matplotlib\mpl.py", line 1, in<module> >> from matplotlib import artist >> File "C:\Python25\Lib\site-packages\matplotlib\artist.py", line 4, >> in<module> >> from transforms import Bbox, IdentityTransform, TransformedBbox, >> TransformedPath >> File "C:\Python25\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. > > We have seen this problem several times before, and have labored hard > to banish it, but it always has a way of coming back to haunt us. I > am aware of a bug in python2.6 which causes mingw to build broken > win32 binaries, but am not aware of such a problem w/ python2.5, > which you appear to be using. We often use a program called > dependency walker to track these problems down: > > http://www.dependencywalker.com/ > > Open the problematic file (it should be > C:\Python25\Lib\site-packages\matplotlib\_path.pyd) and report any > errors you find here; it should tell you which DLLs are missing. > Search the good and the bad boxes for these DLL filenames and see if > it is a difference in the boxes, eg do the good boxes have the DLL and > the bad boxes not, and if so maybe you can figure out why (different > version in the OS patch level?). I am really interested to know the > difference in the boxes because it may give us the critical clue as to > why some users report this problem and others do not see it. > > Also, on one of the bad boxes, could you try the new 0.99 release and > let me know if you have the same issue? > > I build the python2.5 installers with mingw; Christoph builds the > python2.6 installers with Visual Studio precisely because mingw is > broken on python2.6. If we can't banish this bug on 2.5 w/ mingw, I > may have to lean on his generosity and ask him to make a python2.5 > installer with Visual Studio as well. > > JDH > > PS: rereading your email, I see you are using 0.98.3. The first time > I read it, when I wrote the response above, I thought you were using > 0.98.5.3 -- the .3 at the end tricked me. The latter is fairly > recent, and came out 10 months after 0.98.3, and we did several things > to fix exactly this dll problem in interim. At a minimum, you need to > be testing and installing 0.98.5.3. This is a very stable, bug fix > release, suitable for use in the classroom. I can't guarantee you > won't hit the same problem, but at least you will be using a version > that *shouldn't* have it, though I am still interested in the results > of the dependency walker tests above, because I have wasted so much > time trying to fix these win32 installers. > > ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
