[Matplotlib-users] Errors with PDF (TeX-string) output using Qt4Agg
Group,
This error occurs for me with Matplotlib 0.99.1, Python 2.5.4 and 2.6.2, while
using the Qt4Agg backend on Windows XP.
Basically, savefig('aweomse_plot.pdf') barfs if I have some math text in there.
For example:
--
|C:\Documents and Settings\phobsonipython26 -pylab
|Python 2.6.2 (r262:71605, Apr 14 2009, 22:40:02) [MSC v.1500 32 bit (Intel)]
|Type copyright, credits or license for more information.
|
|IPython 0.10 -- An enhanced Interactive Python.
|? - Introduction and overview of IPython's features.
|%quickref - Quick reference.
|help - Python's own help system.
|object? - Details about 'object'. ?object also works, ?? prints more
|
| Welcome to pylab, a matplotlib-based Python environment.
| For more information, type 'help(pylab)'.In [1]: x = arange(10)
|
|In [2]: y = 0.5*x**2
|
|In [3]: plot(x,y,'ko')
|Out[3]: [matplotlib.lines.Line2D object at 0x039F3C10]
|
|In [4]: savefig('test.png')
|
|In [5]: savefig('test.pdf')
|
|In [6]: xlabel('rSome math: $X$')
|Out[6]: matplotlib.text.Text object at 0x03A7A350
|
|In [7]: savefig('test.pdf')
--
Spits out a nasty error at Input Line 7. I've include it below my sig for those
who might want to look at it.
I don't know much about back ends, but I feel like I've neglected to install
something since the last line of the TraceBack includes ValueError: unichr()
arg not in range(0x1) (narrow Python build).
I have an update-version of MikTeX on this machine. Any thoughts?
Many thanks,
Paul M. Hobson
Senior Staff Engineer
--
Geosyntec Consultants
55 SW Yamhill St, Ste 200
Portland, OR 97204
Phone: (503) 222-9518
Web: www.geosyntec.com
Erros message:
In [7]: savefig('test.pdf')
ERROR: An unexpected error occurred while tokenizing input
The following traceback may be corrupted or invalid
The error message is: ('EOF in multi-line statement', (550, 0))
ERROR: An unexpected error occurred while tokenizing input
The following traceback may be corrupted or invalid
The error message is: ('EOF in multi-line statement', (550, 0))
ERROR: An unexpected error occurred while tokenizing input
The following traceback may be corrupted or invalid
The error message is: ('EOF in multi-line statement', (550, 0))
---
ValueErrorTraceback (most recent call last)
C:\Documents and Settings\phobson\ipython console in module()
C:\Python26\lib\site-packages\matplotlib\pyplot.pyc in savefig(*args, **kwargs)
354 def savefig(*args, **kwargs):
355 fig = gcf()
-- 356 return fig.savefig(*args, **kwargs)
357 if Figure.savefig.__doc__ is not None:
358 savefig.__doc__ = dedent(Figure.savefig.__doc__)
C:\Python26\lib\site-packages\matplotlib\figure.pyc in savefig(self, *args,
**kwargs)
1030 patch.set_alpha(0.0)
1031
- 1032 self.canvas.print_figure(*args, **kwargs)
1033
1034 if transparent:
C:\Python26\lib\site-packages\matplotlib\backends\backend_qt4agg.pyc in
print_figure(self, *args, **kwargs)
141 self.update(l, self.renderer.height-t, w, h)
142
143 def print_figure(self, *args, **kwargs):
-- 144 FigureCanvasAgg.print_figure(self, *args, **kwargs)
145 self.draw()
C:\Python26\lib\site-packages\matplotlib\backend_bases.pyc in
print_figure(self, filename, dpi, facecolor, edgecolor, orientation
format, **kwargs)
1474 orientation=orientation,
1475 bbox_inches_restore=_bbox_inches_restore,
- 1476 **kwargs)
1477 finally:
1478 if bbox_inches and restore_bbox:
C:\Python26\lib\site-packages\matplotlib\backend_bases.pyc in print_pdf(self,
*args, **kwargs)
1332 from backends.backend_pdf import FigureCanvasPdf # lazy import
1333 pdf = self.switch_backends(FigureCanvasPdf)
- 1334 return pdf.print_pdf(*args, **kwargs)
1335
1336 def print_png(self, *args, **kwargs):
C:\Python26\lib\site-packages\matplotlib\backends\backend_pdf.pyc in
print_pdf(self, filename, **kwargs)
2023 width, height, image_dpi, RendererPdf(file, image_dpi),
2024 bbox_inches_restore=_bbox_inches_restore)
- 2025 self.figure.draw(renderer)
2026 renderer.finalize()
2027 if isinstance(filename, PdfPages): # finish off this page
C:\Python26\lib\site-packages\matplotlib\artist.pyc in draw_wrapper(artist,
renderer, *kl)
44 def draw_wrapper(artist, renderer, *kl):
45 before(artist, renderer)
--- 46 draw(artist, renderer, *kl)
47 after(artist, renderer)
48
C:\Python26\lib\site-packages\matplotlib\figure.pyc in draw(self, renderer)
771
772 # render the axes
-- 773
Re: [Matplotlib-users] Errors with PDF (TeX-string) output using Qt4Agg
phob...@geosyntec.com writes:
|C:\Documents and Settings\phobsonipython26 -pylab
Could you try this in plain Python? I'm asking because you seem to be
getting an IPython warning about a possibly corrupted traceback:
ERROR: An unexpected error occurred while tokenizing input
The following traceback may be corrupted or invalid
The error message is: ('EOF in multi-line statement', (550, 0))
I suggest you write your commands in a script and run it with
python script.py --verbose-debug
so that we can get a better picture of where it is going wrong.
Also, does it matter that you are using Qt4Agg? You can test this by
trying
python script.py -d pdf --verbose-debug
If that works, then the problem could be related to Qt4Agg specifically,
but if it fails, it is somewhere else.
--
Jouni K. Seppänen
http://www.iki.fi/jks
--
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Re: [Matplotlib-users] Errors with PDF (TeX-string) output using Qt4Agg
Sheesh it's been a weird day. I failed to reply to the whole list.
Jouni, sorry about the duplciate message...
phob...@geosyntec.com writes:
|C:\Documents and Settings\phobsonipython26 -pylab
From: Jouni K. Seppänen [mailto:j...@iki.fi] Could you try this in
plain Python? I'm asking because you seem to be getting an IPython
warning about a possibly corrupted traceback:
ERROR: An unexpected error occurred while tokenizing input The
following traceback may be corrupted or invalid The error message
is: ('EOF in multi-line statement', (550, 0))
I suggest you write your commands in a script and run it with
python script.py --verbose-debug
Jouni: Thanks for the prompt reply. I did just that. Calling the script both
ways (w/ and w/o the PDF backend) fails with a lot of out. This time I've
included the verbose output as an attached text file. I apologize of that's a
mailing list faux pas. Here's the code for the script, pyTest.py:
import pylab as pl
x = pl.arange(6)
y = x + 5
pl.plot(x,y,'ko', zorder=10)
pl.xlabel('X-label, no TeX')
pl.ylabel('Y-label. no math')
pl.savefig('no_math.png')
pl.savefig('no_math.pdf')
pl.xlabel(r'some math: $\tau_{y}$')
pl.savefig('some_math.png')
pl.savefig('some_math.pdf')
# EOF
no_math.* and some_math.png are created just fine. The error occurred trying to
create some_math.pdf.
I'm really at a loss b/c I could swear I created fairly complex figures with
output to PDF about a week ago and don't recall changing my Python or MPL
installation.
so that we can get a better picture of where it is going wrong.
Also, does it matter that you are using Qt4Agg? You can test this by
trying
Both seemed to provide the same error message, so I've only included the
verbose output from C:\Python25python c:\GDAG2009\python\pyTest.py -d pdf
--verbose-debug
For grins and giggles, I went to my matplotlibrc file and commented out the
lines telling MPL to use Droid fonts (even though they never gave me a problem
before). That didn't change anything.
Thanks again,
-paul
C:\Python25python c:\GDAG2009\python\pyTest.py -d pdf --verbose-debug
$HOME=C:\Documents and Settings\phobson
CONFIGDIR=C:\Documents and Settings\phobson\.matplotlib
matplotlib data path C:\Python25\lib\site-packages\matplotlib\mpl-data
loaded rc file C:\Documents and Settings\phobson\.matplotlib\matplotlibrc
matplotlib version 0.99.1
verbose.level debug
interactive is False
units is False
platform is win32
loaded modules: ['numpy.lib._iotools', 'xml.sax.urlparse', 'distutils',
'matplotlib.errno', 'pylab', 'subprocess', 'gc', 'matplotl
ib.tempfile', 'distutils.sysconfig', 'ctypes._endian', 'encodings.encodings',
'matplotlib.colors', 'msvcrt', 'numpy.testing.sys',
'numpy.core.info', 'xml', 'numpy.fft.types', 'numpy.ma.operator',
'numpy.ma.cPickle', 'struct', 'numpy.random.info', 'tempfile', '
xml.sax.urllib', 'numpy.linalg', 'matplotlib.threading',
'numpy.testing.operator', 'imp', 'numpy.testing', 'collections', 'numpy.c
ore.umath', '_struct', 'distutils.types', 'numpy.lib.numpy',
'numpy.core.scalarmath', 'matplotlib.matplotlib', 'string', 'matplotl
ib.subprocess', 'numpy.testing.os', 'matplotlib.locale',
'numpy.lib.arraysetops', 'numpy.testing.unittest', 'numpy.lib.math', 'mat
plotlib.__future__', 'numpy.testing.re', 'itertools', 'numpy.version',
'numpy.lib.re', 'distutils.re', 'ctypes.os', 'numpy.core.os
', 'numpy.lib.type_check', 'numpy.lib.__builtin__', 'signal',
'numpy.lib.types', 'numpy.lib._datasource', 'random', 'threading', '
token', 'numpy.fft.fftpack_lite', 'matplotlib.cbook', 'ctypes.ctypes',
'xml.sax.xmlreader', 'numpy.__builtin__', 'dis', 'distutils
.version', 'cStringIO', 'numpy.ma.core', 'numpy.numpy', 'matplotlib.StringIO',
'locale', 'numpy.add_newdocs', 'numpy.lib.getlimits
', 'xml.sax.saxutils', 'matplotlib.numpy', 'numpy.lib.sys', 'encodings',
'numpy.ma.itertools', 'numpy.lib.io', 'numpy.ma.extras',
'numpy.testing.decorators', 'matplotlib.warnings', 'matplotlib.string',
'_subprocess', 'urllib', 'matplotlib.sys', 're', 'numpy.li
b._compiled_base', 'ntpath', 'new', 'numpy.random.mtrand', 'math',
'numpy.fft.helper', 'numpy.ma.warnings', 'inspect', 'numpy.ma.i
nspect', 'UserDict', 'numpy.lib.function_base', 'distutils.os', 'matplotlib',
'numpy.fft.numpy', 'numpy.lib.ufunclike', 'numpy.lib
.info', 'numpy.core.numerictypes', 'ctypes', 'numpy.lib.warnings',
'ctypes.struct', 'codecs', 'numpy.core._sort', 'numpy.os', '_lo
cale', 'matplotlib.sre_constants', 'matplotlib.os', 'thread', 'StringIO',
'numpy.core.memmap', 'traceback', 'weakref', 'numpy.core
._internal', 'numpy.fft.fftpack', 'opcode', 'numpy.linalg.lapack_lite',
'distutils.sys', 'os', 'numpy.lib.itertools', '__future__'
, 'matplotlib.copy', 'xml.sax.types', 'matplotlib.traceback', '_sre',
'unittest', 'numpy.core.sys', 'numpy.random', 'numpy.linalg.
numpy', '__builtin__', 'numpy.lib.twodim_base', 'matplotlib.re',
'numpy.core.cPickle', 'operator', 'numpy.core.arrayprint', 'distu
tils.string',
Re: [Matplotlib-users] Errors with PDF (TeX-string) output using Qt4Agg
phob...@geosyntec.com writes: File C:\Python25\Lib\site-packages\matplotlib\backends\backend_pdf.py, line 1378, in draw_mathtext self.file.output(self.encode_string(unichr(num), fonttype), Op.show) ValueError: unichr() arg not in range(0x1) (narrow Python build) Right, IPython really had mangled the traceback. That looks like the mathtext parser is outputting some characters outside the Basic Multilingual Plane. Could you try the following: python -i c:\GDAG2009\python\pyTest.py -d pdf Then when the error occurs, you should be at a Python prompt. Then type (or just copy and paste from here - be careful with the first two lines, since any exception will cause Python to forget the existing traceback): from pdb import pm pm() p fontname, fontsize, num, symbol_name p s, width, height, descent, glyphs, rects, used_characters p fonttype, global_fonttype It might work to set pdf.fonttype to 3 in matplotlibrc, but even if it helps, it would be useful to find the root of this problem. -- Jouni K. Seppänen http://www.iki.fi/jks -- Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] Errors with PDF (TeX-string) output using Qt4Agg
On 10/12/2009 04:17 PM, Jouni K. Seppänen wrote: phob...@geosyntec.com writes: File C:\Python25\Lib\site-packages\matplotlib\backends\backend_pdf.py, line 1378, in draw_mathtext self.file.output(self.encode_string(unichr(num), fonttype), Op.show) ValueError: unichr() arg not in range(0x1) (narrow Python build) Right, IPython really had mangled the traceback. That looks like the mathtext parser is outputting some characters outside the Basic Multilingual Plane. Could you try the following: python -i c:\GDAG2009\python\pyTest.py -d pdf Then when the error occurs, you should be at a Python prompt. Then type (or just copy and paste from here - be careful with the first two lines, since any exception will cause Python to forget the existing traceback): from pdb import pm pm() p fontname, fontsize, num, symbol_name p s, width, height, descent, glyphs, rects, used_characters p fonttype, global_fonttype It might work to set pdf.fonttype to 3 in matplotlibrc, but even if it helps, it would be useful to find the root of this problem. What is your mathtext.fontset setting? If it's stixsans, then it is possible that mathtext would produce codepoints outside of the BMP (this is due to the way the STIX fonts are encoded). Unfortunately, the standard Python builds for Windows don't support characters in this range. There might actually be a work around possible in the PDF backend -- but it will have to involve encoding Unicode characters without using Python unicode objects. I'm looking into a patch now. Cheers, Mike -- Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] Errors with PDF (TeX-string) output using Qt4Agg
\\ttf\\Vera.ttf':
('C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf',
set([32, 97, 101, 104, 109, 111, 115, 116, 58]))
,
'C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\STIXNonUniIta.ttf':
('C:\\Python25\\lib\\site-packages\\mat
plotlib\\mpl-data\\fonts\\ttf\\STIXNonUniIta.ttf', set([57835]))})
(Pdb) p fonttype, global_fonttype
(42, 42)
-Original Message-
From: Jouni K. Seppänen [mailto:j...@iki.fi]
Sent: Monday, October 12, 2009 1:18 PM
To: matplotlib-users@lists.sourceforge.net
Subject: Re: [Matplotlib-users] Errors with PDF (TeX-string) output
using Qt4Agg
phob...@geosyntec.com writes:
File C:\Python25\Lib\site-
packages\matplotlib\backends\backend_pdf.py, line 1378, in
draw_mathtext
self.file.output(self.encode_string(unichr(num), fonttype),
Op.show)
ValueError: unichr() arg not in range(0x1) (narrow Python build)
Right, IPython really had mangled the traceback. That looks like the
mathtext parser is outputting some characters outside the Basic
Multilingual Plane. Could you try the following:
python -i c:\GDAG2009\python\pyTest.py -d pdf
Then when the error occurs, you should be at a Python prompt. Then
type
(or just copy and paste from here - be careful with the first two
lines,
since any exception will cause Python to forget the existing
traceback):
from pdb import pm
pm()
p fontname, fontsize, num, symbol_name
p s, width, height, descent, glyphs, rects, used_characters
p fonttype, global_fonttype
It might work to set pdf.fonttype to 3 in matplotlibrc, but even if it
helps, it would be useful to find the root of this problem.
--
Jouni K. Seppänen
http://www.iki.fi/jks
--
Come build with us! The BlackBerry(R) Developer Conference in SF, CA
is the only developer event you need to attend this year. Jumpstart
your
developing skills, take BlackBerry mobile applications to market and
stay
ahead of the curve. Join us from November 9 - 12, 2009. Register now!
http://p.sf.net/sfu/devconference
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Re: [Matplotlib-users] Errors with PDF (TeX-string) output using Qt4Agg
Mike, Thanks for the reply. I found that I had (on a whim) set my mathtext.fontset to stixsans and then forgot about it. Returning that value to cm fixes my issues. In short, I'm all squared away now. Thanks! Paul M. Hobson -Original Message- From: Michael Droettboom [mailto:md...@stsci.edu] Sent: Monday, October 12, 2009 1:38 PM To: matplotlib-users@lists.sourceforge.net Subject: Re: [Matplotlib-users] Errors with PDF (TeX-string) output using Qt4Agg On 10/12/2009 04:17 PM, Jouni K. Seppänen wrote: phob...@geosyntec.com writes: File C:\Python25\Lib\site- packages\matplotlib\backends\backend_pdf.py, line 1378, in draw_mathtext self.file.output(self.encode_string(unichr(num), fonttype), Op.show) ValueError: unichr() arg not in range(0x1) (narrow Python build) Right, IPython really had mangled the traceback. That looks like the mathtext parser is outputting some characters outside the Basic Multilingual Plane. Could you try the following: python -i c:\GDAG2009\python\pyTest.py -d pdf Then when the error occurs, you should be at a Python prompt. Then type (or just copy and paste from here - be careful with the first two lines, since any exception will cause Python to forget the existing traceback): from pdb import pm pm() p fontname, fontsize, num, symbol_name p s, width, height, descent, glyphs, rects, used_characters p fonttype, global_fonttype It might work to set pdf.fonttype to 3 in matplotlibrc, but even if it helps, it would be useful to find the root of this problem. What is your mathtext.fontset setting? If it's stixsans, then it is possible that mathtext would produce codepoints outside of the BMP (this is due to the way the STIX fonts are encoded). Unfortunately, the standard Python builds for Windows don't support characters in this range. There might actually be a work around possible in the PDF backend -- but it will have to involve encoding Unicode characters without using Python unicode objects. I'm looking into a patch now. Cheers, Mike -- Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users -- Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] Errors with PDF (TeX-string) output using Qt4Agg
, 3.40625, 'C:\\Python25\\lib
\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf', 10.0, 58,
'colon'), (59.8974609375, 3.40625, 'C:\\Python25\\lib\\sit
e-packages\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf', 10.0, 32, 'space'),
(63.076171875, 3.40625, 'C:\\Python25\\lib\\site-pack
ages\\matplotlib\\mpl-data\\fonts\\ttf\\STIXNonUniIta.ttf', 10.0, 57835,
'uniE1EB'), (67.75616455078125, 2.046875, 'C:\\Python25\\
lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\STIXGeneralItalic.ttf',
7.0, 120378, 'u1D63A')], [], {'C:\\Python25\\lib\\si
te-packages\\matplotlib\\mpl-data\\fonts\\ttf\\STIXGeneralItalic.ttf':
('C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\f
onts\\ttf\\STIXGeneralItalic.ttf', set([120378])),
'C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf':
('C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf',
set([32, 97, 101, 104, 109, 111, 115, 116, 58]))
,
'C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\STIXNonUniIta.ttf':
('C:\\Python25\\lib\\site-packages\\mat
plotlib\\mpl-data\\fonts\\ttf\\STIXNonUniIta.ttf', set([57835]))})
(Pdb) p fonttype, global_fonttype
(42, 42)
-Original Message-
From: Jouni K. Seppänen [mailto:j...@iki.fi]
Sent: Monday, October 12, 2009 1:18 PM
To: matplotlib-users@lists.sourceforge.net
Subject: Re: [Matplotlib-users] Errors with PDF (TeX-string) output
using Qt4Agg
phob...@geosyntec.com writes:
File C:\Python25\Lib\site-
packages\matplotlib\backends\backend_pdf.py, line 1378, in
draw_mathtext
self.file.output(self.encode_string(unichr(num), fonttype),
Op.show)
ValueError: unichr() arg not in range(0x1) (narrow Python build)
Right, IPython really had mangled the traceback. That looks like the
mathtext parser is outputting some characters outside the Basic
Multilingual Plane. Could you try the following:
python -i c:\GDAG2009\python\pyTest.py -d pdf
Then when the error occurs, you should be at a Python prompt. Then
type
(or just copy and paste from here - be careful with the first two
lines,
since any exception will cause Python to forget the existing
traceback):
from pdb import pm
pm()
p fontname, fontsize, num, symbol_name
p s, width, height, descent, glyphs, rects, used_characters
p fonttype, global_fonttype
It might work to set pdf.fonttype to 3 in matplotlibrc, but even if it
helps, it would be useful to find the root of this problem.
--
Jouni K. Seppänen
http://www.iki.fi/jks
--
Come build with us! The BlackBerry(R) Developer Conference in SF, CA
is the only developer event you need to attend this year. Jumpstart
your
developing skills, take BlackBerry mobile applications to market and
stay
ahead of the curve. Join us from November 9 - 12, 2009. Register now!
http://p.sf.net/sfu/devconference
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