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In installed standalone jython on my ubuntu 12.04, run it, but if I try to import gtk, I get no module named gtk when in python console it works.

Update:

I have done

>> sys.path.insert(1,"/usr/lib/python2.7/dist-packages/gtk-2.0")

and

>> sys.path.insert(1,'/usr/lib/python2.7/dist-packages")

and now is is 

    from glib._glib import *
ImportError: No module named _glib

when: 

argon@vprime:/usr/lib/python2.7$ find | grep _glib
./dist-packages/gi/_glib
./dist-packages/gi/_glib/option.pyc
./dist-packages/gi/_glib/option.py
./dist-packages/gi/_glib/_glib.so
./dist-packages/gi/_glib/__init__.pyc
./dist-packages/gi/_glib/__init__.py
./dist-packages/glib/_glib.so
./dist-packages/twisted/internet/test/test_glibbase.pyc
./dist-packages/twisted/internet/test/test_glibbase.py
./dist-packages/twisted/internet/_glibbase.py
./dist-packages/twisted/internet/_glibbase.pyc
./dist-packages/_dbus_glib_bindings.so

so, glib/_glib is under dist-packages and I have no idea what is wrong...

scythargon
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1 Answers1

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Not all modules are compatible between Jython and CPython (the standard Python interpreter). In particular, modules that are compiled to native bytecode, generally written in C/++ (or with Cython), cannot be loaded in Java, because it uses its own Virtual Machine (JVM) which cannot understand native bytecode.

Many native/binary modules in CPython will have a name prefixed with an underscore, like _glib above.

You have at least two options:

  • Use Jython and a Java GTK package.
  • Use CPython, and if you need to talk to Java, use one of the packages that interface between CPython and the JVM (e.g. jpype, py4j).
joeln
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