Re: [Matplotlib-users] OSError when exporting figure in EPS

[Fernando P. <fpe...@gm...>]

On 6/9/06, Darren Dale <dd...@co...> wrote:
> I cant reproduce this. Are you sure it's a problem with matplotlib? It looks
> like its a problem with shutil and os.utime, not mpl. Are you sure you have
> write privileges for the file and the directory? Could another (k)ubuntu
> Dapper user please give this a try?
>
> On Friday 09 June 2006 11:42, massimo sandal wrote:

> > I have just reproduced it by doing an histogram in an interactive
> > ipython --pylab session and then exporting as 'figure.eps'.
> >
> > Just:
> > a=[...] <--numbers to histogram
> > hist(a)
> > savefig('hist001.eps')
> >
> > gives:
> >
> > exceptions.OSError                                   Traceback (most
> > recent call last)
> >
> > /users/Massimo/synuclein/<ipython console>
> >
> > /usr/lib/python2.4/site-packages/matplotlib/pylab.py in savefig(*args,
> > **kwargs)
> >      809 def savefig(*args, **kwargs):
> >      810     fig = gcf()
> > --> 811     return fig.savefig(*args, **kwargs)
> >      812 if Figure.savefig.__doc__ is not None:
> >      813     savefig.__doc__ = _shift_string(Figure.savefig.__doc__)
> >
> > /usr/lib/python2.4/site-packages/matplotlib/figure.py in savefig(self,
> > *args, **kwargs)
> >      658                 kwargs[key] = rcParams['savefig.%s'%key]
> >      659
> > --> 660         self.canvas.print_figure(*args, **kwargs)
> >      661
> >      662     def colorbar(self, mappable, cax=None, **kw):
> >
> > /usr/lib/python2.4/site-packages/matplotlib/backends/backend_gtkagg.py
> > in print_figure(self, filename, dpi, facecolor, edgecolor, orientation,
> > **kwargs)
> >      110             try:
> >      111                 agg.print_figure(filename, dpi, facecolor,
> > edgecolor,
> > --> 112                                  orientation, **kwargs)
> >      113             except IOError, msg:
> >      114                 error_msg_gtk('Failed to save\nError message:
> > %s'%(msg,), self)
> >
> > /usr/lib/python2.4/site-packages/matplotlib/backends/backend_agg.py in
> > print_figure(self, filename, dpi, facecolor, edgecolor, orientation,
> > **kwargs)
> >      482                 ps = self.switch_backends(FigureCanvasPS)
> >      483                 ps.print_figure(filename, dpi, facecolor,
> > edgecolor,
> > --> 484                                 orientation, **kwargs)
> >      485             else:
> >      486                 raise IOError('Do not know know to handle
> > extension *%s' % ext)
> >
> > /usr/lib/python2.4/site-packages/matplotlib/backends/backend_ps.py in
> > print_figure(self, outfile, dpi, facecolor, edgecolor, orientation,
> > papertype)
> >     1121                 fh = file(tmpfile)
> >     1122                 print >>outfile, fh.read()
> > -> 1123             else: shutil.move(tmpfile, outfile)
> >     1124
> >     1125     def _print_figure_tex(self, outfile, dpi, facecolor,
> > edgecolor, orientation,
> >
> > /usr/lib/python2.4/shutil.py in move(src, dst)
> >      191             rmtree(src)
> >      192         else:
> > --> 193             copy2(src,dst)
> >      194             os.unlink(src)
> >      195
> >
> > /usr/lib/python2.4/shutil.py in copy2(src, dst)
> >       91         dst = os.path.join(dst, os.path.basename(src))
> >       92     copyfile(src, dst)
> > ---> 93     copystat(src, dst)
> >       94
> >       95
> >
> > /usr/lib/python2.4/shutil.py in copystat(src, dst)
> >       66     mode = stat.S_IMODE(st.st_mode)
> >       67     if hasattr(os, 'utime'):
> > ---> 68         os.utime(dst, (st.st_atime, st.st_mtime))
> >       69     if hasattr(os, 'chmod'):
> >       70         os.chmod(dst, mode)
> >
> > OSError: [Errno 1] Operation not permitted: 'hist001.eps'
> >
> > MPL is 0.87.3 compiled from source on gnu/linux Kubuntu 6.06
> > Thanks,

Massimo, I'm away from my ubuntu machine right now, so I can't test
this.  In the meantime, try in ipython

xmode verbose

before running your code.  This will generate a more detailed
traceback, which might give us some clues.

Cheers,

f