matplotlib-users Mailing List for matplotlib

Yes that was the bug.
Please commit the fix.

Xavier


> Revision 7985 contains a typo (see bug tracker). Try replace the string
> PY_ARRAYAUNIQUE_SYMBOL with PY_ARRAY_UNIQUE_SYMBOL in setupext.py.
>
> Christoph
>
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>    

Revision 7985 contains a typo (see bug tracker). Try replace the string 
PY_ARRAYAUNIQUE_SYMBOL with PY_ARRAY_UNIQUE_SYMBOL in setupext.py.

Christoph

Hi,

I'm trying to compile numpy/scipy and matplotlib (I did it N times 
without any problem).
Numpy and scipy are ok (.test() is fine).
However, from pylab import *   fails with way:

/usr/local/lib/python2.6/dist-packages/pylab.py in <module>()
----> 1
       2
       3 from matplotlib.pylab import *
       4 import matplotlib.pylab
       5 __doc__ = matplotlib.pylab.__doc__

/usr/local/lib/python2.6/dist-packages/matplotlib/pylab.py in <module>()
     204      silent_list, iterable, dedent
     205
--> 206 from matplotlib import mpl  # pulls in most modules
     207
     208 from matplotlib.dates import date2num, num2date,\

/usr/local/lib/python2.6/dist-packages/matplotlib/mpl.py in <module>()
----> 1
       2
       3 from matplotlib import artist
       4 from matplotlib import axis
       5 from matplotlib import axes
       6 from matplotlib import cbook
       7 from matplotlib import collections

/usr/local/lib/python2.6/dist-packages/matplotlib/artist.py in <module>()
       4 import matplotlib.cbook as cbook
       5 from matplotlib import docstring
----> 6 from transforms import Bbox, IdentityTransform, TransformedBbox, 
TransformedPath
       7 from path import Path
       8

/usr/local/lib/python2.6/dist-packages/matplotlib/transforms.py in 
<module>()
      32 import numpy as np
      33 from numpy import ma
---> 34 from matplotlib._path import affine_transform
      35 from numpy.linalg import inv
      36

ImportError: /usr/local/lib/python2.6/dist-packages/matplotlib/_path.so: 
undefined symbol: PyArray_API

I may have a problem with the svn update but I'm not quite sure.
Maybe it is just a temporary compatibility problem in between matplotlib 
and numpy.

Can someone comment on that?

I'm using:
numpy At revision 7773.
scipy At revision 6120.
matplotlib At revision 7985.

Xavier

Hi,

just wanted to raise this problem on the devel list, where it probably
belongs. Also, if nobody has time to look at it now and you prefer me to
file a bug, please don't hesitate to tell it.

the original post is there:
http://thread.gmane.org/gmane.comp.python.matplotlib.general/20411

Cheers

Le 21 novembre 2009 17:50, Sébastien Barthélemy <bar...@cr...> a
écrit :

> Le 18 novembre 2009 17:24, Michael Droettboom <md...@st...> a écrit :
>
> This is a bug -- but it has a fairly straightforward fix: to use Sphinx's
>> "include" directive rather than roll our own as we currently do.  This has
>> been fixed in SVN r7972.  plot-directive now takes an "encoding" option,
>> exactly like the Sphinx include directive.  It does not do automatic
>> encoding detection (meaning it ignores the "# coding: latin1" comments),
>> just as the Sphinx include directive does.
>>
>
> Hello Michael,
>
> thank you for your fast reply and action. I just tried with the version
> from trunk (r7978) and I still have an encoding problem on the same test
> case. It seems to happen when the file is ran (to produce the figure) rather
> than when it is included. I had a look at the code, but cannot understand
> what is happenning, I would have expected imp to proprely guess the
> encoding.
>
> Could you tell me if you have the same problem ? Do you have any idea of
> what is going on ?
>
> Thanks !
>
> $ git clone git://github.com/sbarthelemy/SphinxEncoding.git
> $ cd SphinxEncoding/
> $ make html
> sphinx-build -b html -d _build/doctrees   . _build/html
> Making output directory...
> Running Sphinx v0.6.2
> loading pickled environment... not found
> building [html]: targets for 1 source files that are out of date
> updating environment: 1 added, 0 changed, 0 removed
> /home/barthelemy/.local/lib/python2.6/site-packages/matplotlib/sphinxext/plot_directive.py:273:
> UserWarning: Exception running plot ./fileutf8.py
> Traceback (most recent call last):
>   File
> "/home/barthelemy/.local/lib/python2.6/site-packages/matplotlib/sphinxext/plot_directive.py",
> line 270, in render_figures
>     run_code(plot_path, function_name, plot_code)
>   File
> "/home/barthelemy/.local/lib/python2.6/site-packages/matplotlib/sphinxext/plot_directive.py",
> line 182, in run_code
>     "__plot__", fd, fname, ('py', 'r', imp.PY_SOURCE))
>   File "fileutf8.py", line 2, in <module>
>     print(u"accent aigus é")
> UnicodeEncodeError: 'ascii' codec can't encode character u'\xe9' in
> position 13: ordinal not in range(128)
>

FWIW: It comes from a set of OpenSolaris patches to Python here:

http://src.opensolaris.org/source/xref/jds/spec-files/trunk/patches/Python-02-pycc.diff
http://src.opensolaris.org/source/xref/jds/spec-files/trunk/patches/Python-03-distutils-pycc.diff

Mike

Michael Droettboom wrote:
> Where is it from?  Can you send it as an attachment?  Googling doesn't 
> reveal anything.
>
> Mike
>
> David Trethewey wrote:
>   
>> Looking at it, it describes itself as a script for running the C/C++ 
>> compiler when building python modules.
>>
>> David
>>
>> Michael Droettboom wrote:
>>     
>>> What is /usr/lib/python2.4/pycc?  Some sort of wrapper around the 
>>> compiler?  I don't have it on my Sun machine.  I would start by 
>>> looking at that to see what it's doing.  It may not be passing the 
>>> source file along to the compiler.
>>>
>>> Mike
>>>
>>> David Trethewey wrote:
>>>       
>>>> I am trying to compile matplotlib on Solaris, I have run into 
>>>> problems as below compiling the ft2fonts extension. Anyone know why?
>>>>
>>>> David
>>>>
>>>>
>>>> python setup.py build
>>>> ============================================================================ 
>>>>
>>>> BUILDING MATPLOTLIB
>>>>             matplotlib: 0.99.1.1
>>>>                 python: 2.4.4 (#1, Jan 10 2007, 01:25:01) [C]
>>>>               platform: sunos5
>>>>
>>>> REQUIRED DEPENDENCIES
>>>>                  numpy: 1.1.0
>>>>              freetype2: 9.8.3
>>>>
>>>> OPTIONAL BACKEND DEPENDENCIES
>>>>                 libpng: 1.2.35
>>>>                Tkinter: Tkinter: 39220, Tk: 8.3, Tcl: 8.3
>>>>                         * Guessing the library and include 
>>>> directories for
>>>>                         * Tcl and Tk because the tclConfig.sh and
>>>>                         * tkConfig.sh could not be found and/or parsed.
>>>>               wxPython: no
>>>>                         * wxPython not found
>>>>                   Gtk+: no
>>>>                         * Building for Gtk+ requires pygtk; you must 
>>>> be able
>>>>                         * to "import gtk" in your build/install 
>>>> environment
>>>>        Mac OS X native: no
>>>>                     Qt: no
>>>>                    Qt4: no
>>>>                  Cairo: no
>>>>
>>>> OPTIONAL DATE/TIMEZONE DEPENDENCIES
>>>>               datetime: present, version unknown
>>>>               dateutil: matplotlib will provide
>>>>                   pytz: matplotlib will provide
>>>> adding pytz
>>>>
>>>> OPTIONAL USETEX DEPENDENCIES
>>>>                 dvipng: no
>>>>            ghostscript: 8.15.4
>>>>                  latex: 3.14159
>>>>
>>>> [Edit setup.cfg to suppress the above messages]
>>>> ============================================================================ 
>>>>
>>>> pymods ['pylab']
>>>> packages ['matplotlib', 'matplotlib.backends', 
>>>> 'matplotlib.projections', 'mpl_toolkits', 'mpl_toolkits.mplot3d', 
>>>> 'mpl_toolkits.axes_grid', 'matplotlib.sphinxext', 
>>>> 'matplotlib.numerix', 'matplotlib.numerix.mlab', 
>>>> 'matplotlib.numerix.ma', 'matplotlib.numerix.linear_algebra', 
>>>> 'matplotlib.numerix.random_array', 'matplotlib.numerix.fft', 
>>>> 'matplotlib.delaunay', 'pytz', 'dateutil', 'dateutil/zoneinfo']
>>>> running build
>>>> running build_py
>>>> copying lib/matplotlib/mpl-data/matplotlibrc -> 
>>>> build/lib.solaris-2.10-sun4u-2.4/matplotlib/mpl-data
>>>> copying lib/matplotlib/mpl-data/matplotlib.conf -> 
>>>> build/lib.solaris-2.10-sun4u-2.4/matplotlib/mpl-data
>>>> running build_ext
>>>> building 'matplotlib.ft2font' extension
>>>> /usr/lib/python2.4/pycc -DNDEBUG 
>>>> -DPY_ARRAYAUNIQUE_SYMBOL=MPL_ARRAY_API 
>>>> -I/home/dlrt2/usr/lib/python/numpy/core/include -I/usr/sfw/include 
>>>> -I/usr/sfw/include/freetype2 -I/usr/local/include -I. 
>>>> -I/usr/include/python2.4 -c src/ft2font.cpp -o 
>>>> build/temp.solaris-2.10-sun4u-2.4/src/ft2font.o
>>>> cc: No input file specified, no output generated
>>>> error: command '/usr/lib/python2.4/pycc' failed with exit status 1
>>>>
>>>>   
>>>>         
>>     
>
>   

-- 
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA

Where is it from?  Can you send it as an attachment?  Googling doesn't 
reveal anything.

Mike

David Trethewey wrote:
> Looking at it, it describes itself as a script for running the C/C++ 
> compiler when building python modules.
>
> David
>
> Michael Droettboom wrote:
>> What is /usr/lib/python2.4/pycc?  Some sort of wrapper around the 
>> compiler?  I don't have it on my Sun machine.  I would start by 
>> looking at that to see what it's doing.  It may not be passing the 
>> source file along to the compiler.
>>
>> Mike
>>
>> David Trethewey wrote:
>>> I am trying to compile matplotlib on Solaris, I have run into 
>>> problems as below compiling the ft2fonts extension. Anyone know why?
>>>
>>> David
>>>
>>>
>>> python setup.py build
>>> ============================================================================ 
>>>
>>> BUILDING MATPLOTLIB
>>>             matplotlib: 0.99.1.1
>>>                 python: 2.4.4 (#1, Jan 10 2007, 01:25:01) [C]
>>>               platform: sunos5
>>>
>>> REQUIRED DEPENDENCIES
>>>                  numpy: 1.1.0
>>>              freetype2: 9.8.3
>>>
>>> OPTIONAL BACKEND DEPENDENCIES
>>>                 libpng: 1.2.35
>>>                Tkinter: Tkinter: 39220, Tk: 8.3, Tcl: 8.3
>>>                         * Guessing the library and include 
>>> directories for
>>>                         * Tcl and Tk because the tclConfig.sh and
>>>                         * tkConfig.sh could not be found and/or parsed.
>>>               wxPython: no
>>>                         * wxPython not found
>>>                   Gtk+: no
>>>                         * Building for Gtk+ requires pygtk; you must 
>>> be able
>>>                         * to "import gtk" in your build/install 
>>> environment
>>>        Mac OS X native: no
>>>                     Qt: no
>>>                    Qt4: no
>>>                  Cairo: no
>>>
>>> OPTIONAL DATE/TIMEZONE DEPENDENCIES
>>>               datetime: present, version unknown
>>>               dateutil: matplotlib will provide
>>>                   pytz: matplotlib will provide
>>> adding pytz
>>>
>>> OPTIONAL USETEX DEPENDENCIES
>>>                 dvipng: no
>>>            ghostscript: 8.15.4
>>>                  latex: 3.14159
>>>
>>> [Edit setup.cfg to suppress the above messages]
>>> ============================================================================ 
>>>
>>> pymods ['pylab']
>>> packages ['matplotlib', 'matplotlib.backends', 
>>> 'matplotlib.projections', 'mpl_toolkits', 'mpl_toolkits.mplot3d', 
>>> 'mpl_toolkits.axes_grid', 'matplotlib.sphinxext', 
>>> 'matplotlib.numerix', 'matplotlib.numerix.mlab', 
>>> 'matplotlib.numerix.ma', 'matplotlib.numerix.linear_algebra', 
>>> 'matplotlib.numerix.random_array', 'matplotlib.numerix.fft', 
>>> 'matplotlib.delaunay', 'pytz', 'dateutil', 'dateutil/zoneinfo']
>>> running build
>>> running build_py
>>> copying lib/matplotlib/mpl-data/matplotlibrc -> 
>>> build/lib.solaris-2.10-sun4u-2.4/matplotlib/mpl-data
>>> copying lib/matplotlib/mpl-data/matplotlib.conf -> 
>>> build/lib.solaris-2.10-sun4u-2.4/matplotlib/mpl-data
>>> running build_ext
>>> building 'matplotlib.ft2font' extension
>>> /usr/lib/python2.4/pycc -DNDEBUG 
>>> -DPY_ARRAYAUNIQUE_SYMBOL=MPL_ARRAY_API 
>>> -I/home/dlrt2/usr/lib/python/numpy/core/include -I/usr/sfw/include 
>>> -I/usr/sfw/include/freetype2 -I/usr/local/include -I. 
>>> -I/usr/include/python2.4 -c src/ft2font.cpp -o 
>>> build/temp.solaris-2.10-sun4u-2.4/src/ft2font.o
>>> cc: No input file specified, no output generated
>>> error: command '/usr/lib/python2.4/pycc' failed with exit status 1
>>>
>>>   
>>
>
>

-- 
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA

Looking at it, it describes itself as a script for running the C/C++ 
compiler when building python modules.

David

Michael Droettboom wrote:
> What is /usr/lib/python2.4/pycc?  Some sort of wrapper around the 
> compiler?  I don't have it on my Sun machine.  I would start by 
> looking at that to see what it's doing.  It may not be passing the 
> source file along to the compiler.
>
> Mike
>
> David Trethewey wrote:
>> I am trying to compile matplotlib on Solaris, I have run into 
>> problems as below compiling the ft2fonts extension. Anyone know why?
>>
>> David
>>
>>
>> python setup.py build
>> ============================================================================ 
>>
>> BUILDING MATPLOTLIB
>>             matplotlib: 0.99.1.1
>>                 python: 2.4.4 (#1, Jan 10 2007, 01:25:01) [C]
>>               platform: sunos5
>>
>> REQUIRED DEPENDENCIES
>>                  numpy: 1.1.0
>>              freetype2: 9.8.3
>>
>> OPTIONAL BACKEND DEPENDENCIES
>>                 libpng: 1.2.35
>>                Tkinter: Tkinter: 39220, Tk: 8.3, Tcl: 8.3
>>                         * Guessing the library and include 
>> directories for
>>                         * Tcl and Tk because the tclConfig.sh and
>>                         * tkConfig.sh could not be found and/or parsed.
>>               wxPython: no
>>                         * wxPython not found
>>                   Gtk+: no
>>                         * Building for Gtk+ requires pygtk; you must 
>> be able
>>                         * to "import gtk" in your build/install 
>> environment
>>        Mac OS X native: no
>>                     Qt: no
>>                    Qt4: no
>>                  Cairo: no
>>
>> OPTIONAL DATE/TIMEZONE DEPENDENCIES
>>               datetime: present, version unknown
>>               dateutil: matplotlib will provide
>>                   pytz: matplotlib will provide
>> adding pytz
>>
>> OPTIONAL USETEX DEPENDENCIES
>>                 dvipng: no
>>            ghostscript: 8.15.4
>>                  latex: 3.14159
>>
>> [Edit setup.cfg to suppress the above messages]
>> ============================================================================ 
>>
>> pymods ['pylab']
>> packages ['matplotlib', 'matplotlib.backends', 
>> 'matplotlib.projections', 'mpl_toolkits', 'mpl_toolkits.mplot3d', 
>> 'mpl_toolkits.axes_grid', 'matplotlib.sphinxext', 
>> 'matplotlib.numerix', 'matplotlib.numerix.mlab', 
>> 'matplotlib.numerix.ma', 'matplotlib.numerix.linear_algebra', 
>> 'matplotlib.numerix.random_array', 'matplotlib.numerix.fft', 
>> 'matplotlib.delaunay', 'pytz', 'dateutil', 'dateutil/zoneinfo']
>> running build
>> running build_py
>> copying lib/matplotlib/mpl-data/matplotlibrc -> 
>> build/lib.solaris-2.10-sun4u-2.4/matplotlib/mpl-data
>> copying lib/matplotlib/mpl-data/matplotlib.conf -> 
>> build/lib.solaris-2.10-sun4u-2.4/matplotlib/mpl-data
>> running build_ext
>> building 'matplotlib.ft2font' extension
>> /usr/lib/python2.4/pycc -DNDEBUG 
>> -DPY_ARRAYAUNIQUE_SYMBOL=MPL_ARRAY_API 
>> -I/home/dlrt2/usr/lib/python/numpy/core/include -I/usr/sfw/include 
>> -I/usr/sfw/include/freetype2 -I/usr/local/include -I. 
>> -I/usr/include/python2.4 -c src/ft2font.cpp -o 
>> build/temp.solaris-2.10-sun4u-2.4/src/ft2font.o
>> cc: No input file specified, no output generated
>> error: command '/usr/lib/python2.4/pycc' failed with exit status 1
>>
>>   
>


-- 
David Trethewey
Institute of Astronomy

http://www.ast.cam.ac.uk/~dlrt2

Phone: 01223 339277 (office at IoA)
Mobile: 07817 775159

What is /usr/lib/python2.4/pycc?  Some sort of wrapper around the 
compiler?  I don't have it on my Sun machine.  I would start by looking 
at that to see what it's doing.  It may not be passing the source file 
along to the compiler.

Mike

David Trethewey wrote:
> I am trying to compile matplotlib on Solaris, I have run into problems 
> as below compiling the ft2fonts extension. Anyone know why?
>
> David
>
>
> python setup.py build
> ============================================================================
> BUILDING MATPLOTLIB
>             matplotlib: 0.99.1.1
>                 python: 2.4.4 (#1, Jan 10 2007, 01:25:01) [C]
>               platform: sunos5
>
> REQUIRED DEPENDENCIES
>                  numpy: 1.1.0
>              freetype2: 9.8.3
>
> OPTIONAL BACKEND DEPENDENCIES
>                 libpng: 1.2.35
>                Tkinter: Tkinter: 39220, Tk: 8.3, Tcl: 8.3
>                         * Guessing the library and include directories for
>                         * Tcl and Tk because the tclConfig.sh and
>                         * tkConfig.sh could not be found and/or parsed.
>               wxPython: no
>                         * wxPython not found
>                   Gtk+: no
>                         * Building for Gtk+ requires pygtk; you must be able
>                         * to "import gtk" in your build/install environment
>        Mac OS X native: no
>                     Qt: no
>                    Qt4: no
>                  Cairo: no
>
> OPTIONAL DATE/TIMEZONE DEPENDENCIES
>               datetime: present, version unknown
>               dateutil: matplotlib will provide
>                   pytz: matplotlib will provide
> adding pytz
>
> OPTIONAL USETEX DEPENDENCIES
>                 dvipng: no
>            ghostscript: 8.15.4
>                  latex: 3.14159
>
> [Edit setup.cfg to suppress the above messages]
> ============================================================================
> pymods ['pylab']
> packages ['matplotlib', 'matplotlib.backends', 'matplotlib.projections', 
> 'mpl_toolkits', 'mpl_toolkits.mplot3d', 'mpl_toolkits.axes_grid', 
> 'matplotlib.sphinxext', 'matplotlib.numerix', 'matplotlib.numerix.mlab', 
> 'matplotlib.numerix.ma', 'matplotlib.numerix.linear_algebra', 
> 'matplotlib.numerix.random_array', 'matplotlib.numerix.fft', 
> 'matplotlib.delaunay', 'pytz', 'dateutil', 'dateutil/zoneinfo']
> running build
> running build_py
> copying lib/matplotlib/mpl-data/matplotlibrc -> 
> build/lib.solaris-2.10-sun4u-2.4/matplotlib/mpl-data
> copying lib/matplotlib/mpl-data/matplotlib.conf -> 
> build/lib.solaris-2.10-sun4u-2.4/matplotlib/mpl-data
> running build_ext
> building 'matplotlib.ft2font' extension
> /usr/lib/python2.4/pycc -DNDEBUG -DPY_ARRAYAUNIQUE_SYMBOL=MPL_ARRAY_API 
> -I/home/dlrt2/usr/lib/python/numpy/core/include -I/usr/sfw/include 
> -I/usr/sfw/include/freetype2 -I/usr/local/include -I. 
> -I/usr/include/python2.4 -c src/ft2font.cpp -o 
> build/temp.solaris-2.10-sun4u-2.4/src/ft2font.o
> cc: No input file specified, no output generated
> error: command '/usr/lib/python2.4/pycc' failed with exit status 1
>
>   

-- 
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA

I am trying to compile matplotlib on Solaris, I have run into problems 
as below compiling the ft2fonts extension. Anyone know why?

David


python setup.py build
============================================================================
BUILDING MATPLOTLIB
            matplotlib: 0.99.1.1
                python: 2.4.4 (#1, Jan 10 2007, 01:25:01) [C]
              platform: sunos5

REQUIRED DEPENDENCIES
                 numpy: 1.1.0
             freetype2: 9.8.3

OPTIONAL BACKEND DEPENDENCIES
                libpng: 1.2.35
               Tkinter: Tkinter: 39220, Tk: 8.3, Tcl: 8.3
                        * Guessing the library and include directories for
                        * Tcl and Tk because the tclConfig.sh and
                        * tkConfig.sh could not be found and/or parsed.
              wxPython: no
                        * wxPython not found
                  Gtk+: no
                        * Building for Gtk+ requires pygtk; you must be able
                        * to "import gtk" in your build/install environment
       Mac OS X native: no
                    Qt: no
                   Qt4: no
                 Cairo: no

OPTIONAL DATE/TIMEZONE DEPENDENCIES
              datetime: present, version unknown
              dateutil: matplotlib will provide
                  pytz: matplotlib will provide
adding pytz

OPTIONAL USETEX DEPENDENCIES
                dvipng: no
           ghostscript: 8.15.4
                 latex: 3.14159

[Edit setup.cfg to suppress the above messages]
============================================================================
pymods ['pylab']
packages ['matplotlib', 'matplotlib.backends', 'matplotlib.projections', 
'mpl_toolkits', 'mpl_toolkits.mplot3d', 'mpl_toolkits.axes_grid', 
'matplotlib.sphinxext', 'matplotlib.numerix', 'matplotlib.numerix.mlab', 
'matplotlib.numerix.ma', 'matplotlib.numerix.linear_algebra', 
'matplotlib.numerix.random_array', 'matplotlib.numerix.fft', 
'matplotlib.delaunay', 'pytz', 'dateutil', 'dateutil/zoneinfo']
running build
running build_py
copying lib/matplotlib/mpl-data/matplotlibrc -> 
build/lib.solaris-2.10-sun4u-2.4/matplotlib/mpl-data
copying lib/matplotlib/mpl-data/matplotlib.conf -> 
build/lib.solaris-2.10-sun4u-2.4/matplotlib/mpl-data
running build_ext
building 'matplotlib.ft2font' extension
/usr/lib/python2.4/pycc -DNDEBUG -DPY_ARRAYAUNIQUE_SYMBOL=MPL_ARRAY_API 
-I/home/dlrt2/usr/lib/python/numpy/core/include -I/usr/sfw/include 
-I/usr/sfw/include/freetype2 -I/usr/local/include -I. 
-I/usr/include/python2.4 -c src/ft2font.cpp -o 
build/temp.solaris-2.10-sun4u-2.4/src/ft2font.o
cc: No input file specified, no output generated
error: command '/usr/lib/python2.4/pycc' failed with exit status 1

-- 
David Trethewey
Institute of Astronomy

http://www.ast.cam.ac.uk/~dlrt2

Phone: 01223 339277 (office at IoA)
Mobile: 07817 775159

On Wed, Nov 25, 2009 at 8:01 AM, federico roncarolo
<Fed...@ce...> wrote:
> Hi,
>
> I'm new with matplotlib and
> I'm trying to embed matplotlib objects into pygtk.
>
> I tried different backend imports (GTKAgg, GTK, GTKCairo) and always
> get the same error (attached below) referring to the missing
> _backend_gdk package.
>
> I work with MAC os x 10.6, python 2.6, pygtk2, matplotlib 0.99.1.1,
> all installed via macports , even though I tried to install matplotlib
> from source via the setup.py script and I get exactely the same problem.
>
> Could you help?
>

matplotlib is probably not finding pygtk at build time -- you need
have pkg-config installed, and  locate your pygtk-2.0.pc file and then
add that path to your PKG_CONFIG_PATH.  You can check the output of
the build script at the beginning in the section


OPTIONAL BACKEND DEPENDENCIES
                libpng: 1.2.27
               Tkinter: Tkinter: 50704, Tk: 8.4, Tcl: 8.4
              wxPython: 2.8.8.0
                        * WxAgg extension not required for wxPython >= 2.8
                  Gtk+: gtk+: 2.14.4, glib: 2.18.2, pygtk: 2.13.0,
                        pygobject: 2.15.3
       Mac OS X native: no
                    Qt: Qt: 3.3.8, PyQt: 3.17.4
                   Qt4: Qt: 4.4.3, PyQt4: 4.4.4
                 Cairo: 1.4.12


You need to have an entry for Gtk or else the backend will not be built.


JDH

On Mon, Nov 23, 2009 at 3:09 PM, Olof Werneman <olo...@gm...> wrote:
> Hello!
>
> I am forced to use py version 2.3.3 (included in other software). I would
> like to use matplotlib but can not find the version for py 2.3 on
> sourceforge. I think it should be version 0.90.1?
> Do you know how I can get hold of a copy of that version?


If you have access to svn, you can do:


svn co https://matplotlib.svn.sourceforge.net/svnroot/matplotlib/trunk/matplotlib
mpl90.1 -r3352


If not, I can upload a tarball somewhere.

JDH

On Tue, Nov 24, 2009 at 5:38 PM, thumperj <mrt...@gm...> wrote:
>
> I'm certain this is in an example somewhere but I can't seem to find it.  If
> someone can just point me to the example I'll take it from there.  Thank
> you!
>
> I have a line chart.  I just want to add text or callout box that shows the
> last value in the line.

Use "text" or "annotate", eg

http://matplotlib.sourceforge.net/examples/pylab_examples/annotation_demo.html
http://matplotlib.sourceforge.net/examples/pylab_examples/annotation_demo2.html

Let us know if you need any more help

JDH

There may be a limitation on window sizes in the various GUI backends.  
Have you tried using the non-GUI backend (agg), and now "show"ing it, 
but just using "savefig"?

Mike

do...@us... wrote:
> I'm trying to make a 10 inch wide by 30 inch high, 72 dpi figure and
> display it interactively.  Matplotlib seems to squash the height for
> anything over a certain size, depending on the backend:
>
> ---------------------------------------------------
> #!/usr/bin/env python
>
> import sys, os, matplotlib
> matplotlib.use('TkAgg')
> import matplotlib.pyplot as plt
>
> print os.uname()
> print sys.version
> print matplotlib.__version__
> print
>
> f = plt.figure(figsize=(10,30), dpi=72)
> print "figheight before show(): %f" % f.get_figheight()
> plt.show()
> print "figheight after show():  %f" % f.get_figheight()
> --------------------------------------------------
>
> Prints this:
>
> ==========================
> ('Linux', 'prime', '2.6.31-14-generic', '#48-Ubuntu SMP Fri Oct 16
> 14:05:01 UTC 2009', 'x86_64')
> 2.6.4 (r264:75706, Nov  2 2009, 14:44:17)
> [GCC 4.4.1]
> 0.99.0
>
> figheight before show(): 30.000000
> figheight after show():  22.027778
> ==========================
>
> Tk squashes heights over 12 inches (the heights do get larger as you
> request larger figures, but not as large as what you request); GTK
> goes up to 11; and Qt4Agg only goes up to 7.3.  WX seems to be the
> only backend that will give me a 30 inch figure, but even then I have
> to manually resize the window to make it fit.  This happens in scripts
> with pyplot, in ipython with or without -pylab, and via the matplotlib
> API.
>
> Is there some limitation on figure sizes?
>
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>   

-- 
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA

Hi,

I'm new with matplotlib and
I'm trying to embed matplotlib objects into pygtk.

I tried different backend imports (GTKAgg, GTK, GTKCairo) and always  
get the same error (attached below) referring to the missing  
_backend_gdk package.

I work with MAC os x 10.6, python 2.6, pygtk2, matplotlib 0.99.1.1,  
all installed via macports , even though I tried to install matplotlib  
from source via the setup.py script and I get exactely the same problem.

Could you help?

Many thans in advance,
Federico



---------------------------------------------------------------------------
ImportError                               Traceback (most recent call  
last)

/Volumes/froncaro/LINAC4/SOURCE/python/maplotlib_test.py in <module>()
       9 #from matplotlib.backends.backend_gtk import FigureCanvasGTK,  
NavigationToolbar

      10
---> 11 from matplotlib.backends.backend_gtkcairo import  
FigureCanvasGTKCairo as FigureCanvas
      12
      13

/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/ 
python2.6/site-packages/matplotlib/backends/backend_gtkcairo.py in  
<module>()
       8
       9 from matplotlib.backends import backend_cairo
---> 10 from matplotlib.backends.backend_gtk import *
      11
      12 backend_version = 'PyGTK(%d.%d.%d) ' % gtk.pygtk_version + \

/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/ 
python2.6/site-packages/matplotlib/backends/backend_gtk.py in <module>()
      23 from matplotlib.backend_bases import RendererBase,  
GraphicsContextBase, \
      24      FigureManagerBase, FigureCanvasBase, NavigationToolbar2,  
cursors
---> 25 from matplotlib.backends.backend_gdk import RendererGDK,  
FigureCanvasGDK
      26 from matplotlib.cbook import is_string_like,  
is_writable_file_like
      27 from matplotlib.colors import colorConverter

/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/ 
python2.6/site-packages/matplotlib/backends/backend_gdk.py in <module>()
      27 from matplotlib.mathtext import MathTextParser
      28 from matplotlib.transforms import Affine2D
---> 29 from matplotlib.backends._backend_gdk import  
pixbuf_get_pixels_array
      30
      31

ImportError: No module named _backend_gdk

I'm trying to make a 10 inch wide by 30 inch high, 72 dpi figure and
display it interactively.  Matplotlib seems to squash the height for
anything over a certain size, depending on the backend:

---------------------------------------------------
#!/usr/bin/env python

import sys, os, matplotlib
matplotlib.use('TkAgg')
import matplotlib.pyplot as plt

print os.uname()
print sys.version
print matplotlib.__version__
print

f = plt.figure(figsize=(10,30), dpi=72)
print "figheight before show(): %f" % f.get_figheight()
plt.show()
print "figheight after show():  %f" % f.get_figheight()
--------------------------------------------------

Prints this:

==========================
('Linux', 'prime', '2.6.31-14-generic', '#48-Ubuntu SMP Fri Oct 16
14:05:01 UTC 2009', 'x86_64')
2.6.4 (r264:75706, Nov  2 2009, 14:44:17)
[GCC 4.4.1]
0.99.0

figheight before show(): 30.000000
figheight after show():  22.027778
==========================

Tk squashes heights over 12 inches (the heights do get larger as you
request larger figures, but not as large as what you request); GTK
goes up to 11; and Qt4Agg only goes up to 7.3.  WX seems to be the
only backend that will give me a 30 inch figure, but even then I have
to manually resize the window to make it fit.  This happens in scripts
with pyplot, in ipython with or without -pylab, and via the matplotlib
API.

Is there some limitation on figure sizes?

Hi,

2009/11/18 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:
> In gnuplot, I can do the following:
>
> set format x "%.0s %cHz"
>
> ...and this will set the x-axis labels (on a semilogx style plot) to
> be "10 Hz", "100 Hz", "1 kHz", "10 kHz", etc.

I ended up implementing this myself, it wasn't too hard. I've attached
the code if anyone else is interested. I don't know matplotlib that
well, so I don't know if there's much duplication of code in there.

I thought I'd CC the dev list in case others think it might be useful.
If not, sorry for the noise.

Cheers,
Jason