@echo off

"%JAVA_HOME%binjava" -Xmx1024M -classpath ".;c:ProjectsJython2.5.1jython.jar" org.python.util.jython

Jython 2.5.1 (Release_2_5_1:6813, Sep 26 2009, 13:47:54)
[Java HotSpot(TM) Client VM (Sun Microsystems Inc.)] on java1.6.0_10
Type "help", "copyright", "credits" or "license" for more information.
>>> import javax.swing
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named swing
>>> import javax
>>> dir(javax)
['__name__']
>>>

from javax.swing import JFrame

java -jar jython.jar