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Odd behavior of python module listing

Lie
Yesterday I installed compiz-icon in my Ubuntu. Today, when I go to
the python interpreter, I happen to do this:

### START OF PYTHON SESSION ###
Python 2.5.2 (r252:60911, Apr 21 2008, 11:17:30)
[GCC 4.2.3 (Ubuntu 4.2.3-2ubuntu7)] on linux2
Type "help", "copyright" , "credits" or "license" for more information.
>>help()
Welcome to Python 2.5! This is the online help utility.

If this is your first time using Python, you should definitely check
out
the tutorial on the Internet at http://www.python.org/doc/tut/.

Enter the name of any module, keyword, or topic to get help on writing
Python programs and using Python modules. To quit this help utility
and
return to the interpreter, just type "quit".

To get a list of available modules, keywords, or topics, type
"modules",
"keywords", or "topics". Each module also comes with a one-line
summary
of what it does; to list the modules whose summaries contain a given
word
such as "spam", type "modules spam".

helpmodules

Please wait a moment while I gather a list of all available modules...

* Starting Compiz
... executing: compiz.real --replace --sm-disable --ignore-desktop-
hints ccp
Starting gtk-window-decorator
compiz.real (video) - Warn: No 8 bit GLX pixmap format, disabling YV12
image format
GConf backend: There is an unsupported value at path /apps/compiz/
plugins/scale/allscreens/options/initiate_edge. Settings from this
path won't be read. Try to remove that value so that operation can
continue properly.
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.5/site.py", line 342, in __call__
return pydoc.help(*arg s, **kwds)
File "/usr/lib/python2.5/pydoc.py", line 1649, in __call__
self.interact()
File "/usr/lib/python2.5/pydoc.py", line 1667, in interact
self.help(reque st)
File "/usr/lib/python2.5/pydoc.py", line 1683, in help
elif request == 'modules': self.listmodule s()
File "/usr/lib/python2.5/pydoc.py", line 1804, in listmodules
ModuleScanner() .run(callback)
File "/usr/lib/python2.5/pydoc.py", line 1855, in run
for importer, modname, ispkg in pkgutil.walk_pa ckages():
File "/usr/lib/python2.5/pkgutil.py", line 125, in walk_packages
for item in walk_packages(p ath, name+'.', onerror):
File "/usr/lib/python2.5/pkgutil.py", line 110, in walk_packages
__import__(name )
File "/usr/lib/python2.5/site-packages/FusionIcon/interface_gtk/
__init__.py", line 3, in <module>
import main
File "/usr/lib/python2.5/site-packages/FusionIcon/interface_gtk/
main.py", line 213, in <module>
gtk.main()
KeyboardInterru pt
>>>
### END OF PYTHON SESSION ###

How on earth could python's help utility crashed compiz-icon, and made
compiz crash too (I lost my windows decoration after the crash). This
is repeatable, until I uninstalled compiz-icon. After uninstalling, I
retried help -modules again, same problem, different program, now a
blank Tk window showed up and it printed this traceback:

Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.5/site.py", line 342, in __call__
return pydoc.help(*arg s, **kwds)
File "/usr/lib/python2.5/pydoc.py", line 1649, in __call__
self.interact()
File "/usr/lib/python2.5/pydoc.py", line 1667, in interact
self.help(reque st)
File "/usr/lib/python2.5/pydoc.py", line 1683, in help
elif request == 'modules': self.listmodule s()
File "/usr/lib/python2.5/pydoc.py", line 1804, in listmodules
ModuleScanner() .run(callback)
File "/usr/lib/python2.5/pydoc.py", line 1855, in run
for importer, modname, ispkg in pkgutil.walk_pa ckages():
File "/usr/lib/python2.5/pkgutil.py", line 125, in walk_packages
for item in walk_packages(p ath, name+'.', onerror):
File "/usr/lib/python2.5/pkgutil.py", line 110, in walk_packages
__import__(name )
File "/usr/lib/python2.5/site-packages/OpenGL/Tk/__init__.py", line
87, in <module>
_default_root.t k.call('package ', 'require', 'Togl')
_tkinter.TclErr or: can't find package Togl

OK, I don't think I can uninstall Tk without messing up a lot of
harmless python programs later, and by now, I figured out that the
problem isn't in compiz-icon afterall.

So, has anyone got something like this?

PS: Ubuntu Hardy Heron (8.04) + Python 2.5.2
Jun 27 '08 #1
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