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[protege-discussion] Setting sys.path in Protege Script Tab using Python
jonathan.carter at e-asolutions.com
Wed Oct 22 05:18:58 PDT 2008
I've been having a lot of trouble with setting the classpath /
pythonpath in the Script Tab - but only on Windows XP / 2003 Server.
I want to import some of the Protege Standard Extension classes in my
Python script and have used the documented approach following the
Script Tab wiki and the standard Python approach for dynamically
adding to the class path, as follows:
This works very nicely on Mac OS/X and then I can import classes from
However, when I ran the same script on Windows, it fails to set the
class/python path and the imports fail. I've tried setting the
python.path property in the Lax properties in Protege which has the
same effect as the sys.path.append - the path is defined but does not
seem to be picked up by the Jython environment.
The only way I could get it to import this Jar was to explicitly add
it to the class.path property in the Lax properties. However, this
messed up several of the tabs and can't be used.
I've tried all kinds of variations of defining the path to take
account of Windows' quirks but to no avail.
Has anyone managed to get the sys.path.append() to work on Windows?
It seems like it just isn't updating the classpath as it should.
From the source code, it looks like an issue with the underlying
Jython implementation rather than the tab itself unless I'm missing
Jonathan Carter - Head of Technical Architecture
Enterprise Architecture Solutions Ltd
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