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:
> Darren Dale ha scritto:
> >> I noticed the following error when in my application I try to export the
> >> plot in EPS format. The odd thing is that the export actually works and
> >> produces a good eps file, but nevertheless...
> >>
> >> File "hooke.py", line 354, in ExportImage #that's my wxpython+MPL app
> >> self.figure.savefig(filename)
> >> File "/usr/lib/python2.4/site-packages/matplotlib/figure.py", line
> >> 660, in savefig
> >> self.canvas.print_figure(*args, **kwargs)
> >> File
> >> "/usr/lib/python2.4/site-packages/matplotlib/backends/backend_ps.py",
> >> line 1123, in print_figure
> >> else: shutil.move(tmpfile, outfile)
> >> File "/usr/lib/python2.4/shutil.py", line 193, in move
> >> copy2(src,dst)
> >> File "/usr/lib/python2.4/shutil.py", line 93, in copy2
> >> copystat(src, dst)
> >> File "/usr/lib/python2.4/shutil.py", line 68, in copystat
> >> os.utime(dst, (st.st_atime, st.st_mtime))
> >> OSError: [Errno 1] Operation not permitted: 'figura001.eps'
> >
> > please submit a short script that reproduces the problem.
>
> 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,
> m.
--
Darren S. Dale, Ph.D.
Cornell High Energy Synchrotron Source
Cornell University
200L Wilson Lab
Rt. 366 & Pine Tree Road
Ithaca, NY 14853
[EMAIL PROTECTED]
office: (607) 255-9894
fax: (607) 255-9001
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