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import gtk : gives error message

39 New Member
i have installed following packages in same order as shown

1) python2.5
2) Glib 2.12.12
3) atk-1.9.1
4) cairo 1.4.6
5) pango 1.16.4
6) gtk+-2.10.0
7) pycairo 1.4.0
8) pygobject 2.13.1
9) pygtk-2.8.6

installation succeeds but while importing gtk following error is displayed

Expand|Select|Wrap|Line Numbers
  1. Python 2.5 (r25:51908, Jun  4 2007, 14:10:43)
  2. [GCC 4.1.1] on linux2
  3. Type "help", "copyright", "credits" or "license" for more information.
  4. >>> import gtk
  5. Traceback (most recent call last):
  6.   File "<stdin>", line 1, in <module>
  7.   File "/usr/local/lib/python2.5/site-packages/gtk-2.0/gtk/__init__.py", line 45, in <module>
  8.     from _gtk import *
  9. ImportError: /usr/local/lib/python2.5/site-packages/gtk-2.0/gtk/_gtk.so: undefined symbol: gdk_keyval_convert_case
please help me to solve this problem..

my OS is Ubuntu Linux the edgy 6.10

thanks in advance for your help
Jun 5 '07
13 6067
39 New Member
ImportError: /usr/gtkdfb/src/pygtk-2.10.0/gtk/.libs/_gtk.so: undefined symbol: gdk_keyval_conv ert_case
can you post what r the steps you have taken to install pygtk.
Sep 7 '07 #11
3 New Member
Ok, here is my setup...
I followed the example of getting GTK on Directfb from source:

http://www.directfb.or g/wiki/index.php/Projects:GTK_on _DirectFB

I installed pango-1.15.3, Python-2.4.4, pygobject-2.13.0,
cairo-1.4.6, gtk+-2.10.13 and pygtk-2.10.0

I set up environment variables
export PREFIX=/usr/gtkdfb
export CFLAGS="-g"

then untarred, configure, make, make install with
the options as follows.

For cairo
configure --prefix=$PREFIX --enable-directfb --disable-xlib --disable-win32

For gtk
configure --prefix=$PREFIX --with-gdktarget=direc tfb --without-x

for others, used no extra options

After installing, when I run
works correctly; I get gtk demo within a directfb framebuffer and no
X frills.

I applied the fixes to the source files, then re-installed
gtk and pygtk.
Still getting the error

ImportError: /usr/local/lib/python2.5/site-packages/gtk-2.0/gtk/_gtk.so: undefined symbol: gdk_keyval_conv ert_case

I tried adding the dummy function as recommended by earlier post
to make it non-blank but C compiler complained that it was already
defined etc.

Thanks for any help.
pygtk+directfb would be a great combination to help embedded
system development.


can you post what r the steps you have taken to install pygtk.
Sep 7 '07 #12
39 New Member
for others, used no extra options


every thing seems to be correct

have you installed pygobject and pygtk as given below, if so it should work.

1. cd pygobject && ./configure --prefix=$PREFIX PYTHON=pythonx. x && make && make install
(x.x is version of python currently installed)
2. cd pygtk && ./configure --prefix=$PREFIX PYTHON=pythonx. x && make && make install
Sep 7 '07 #13
3 New Member
Ok, thanks I got it to work with the changes
you suggested.
I had some leftover symlinks to the fedora
GTK system and libraries.

pygtk on directfb is a very useful package
for embedded - way smaller than java + X
Calculate it <10 Mbytes for the whole
working system as replacement for X and Java.
Sep 11 '07 #14

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