[Jython-users] Jython modules reload problem

[Tiago J. (Ext_RI) <Tia...@si...>]

Hello...
I'm a newbie to this list and i'm searching for some answers very
related to this old mail:

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D

 > I have a Web server that runs forever as any server.
 > On the one hand, if I change any Java code (without changing method
 > signatures), the changes are reloaded automatically. On the other
side, if
 > I do the same in Jython, I have to restart the server.
=20
 I guess you are talking about jsps here, aren"t you?
=20
 > On a compiled language I have more interactivity than with a
interpreted
 > one!!!!
 >
 > I have made a trick that when I have an URL of the type
 > http://myserver/reload/module, I execute the code: import module
 >     reload(module)
 >
 >
 > Does anyone know any workaround to get this result automatically?
 > I"ve tried to dive into the Jython code, but don"t see what I have in
order
 > to change detect changed source files automatically.
=20
 I don"t know how exactly your jython interpreter is embedded inside
your=20
 server, but you should be able to simply create a new instance of that
server=20
 for each request you are processing - then all code is reloaded. if
that=20
 works, you can put a piece of java around your interpreter-invocation
that=20
 checkse for changes of the underlying jython files, and create only
then a=20
 new interpreter instance.
=20
 Diez
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D

In my case, I'm creating a new instance of the interpreter every time I
want to execute a script:

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
PySystemState.initialize(t, scriptProp, new String[] { "" });
PythonInterpreter interp =3D new PythonInterpreter();

(...)
CtOperations opers =3D new CtOperations(context, _tracer, ctInterp,
_adaptorList);
interp.set("opers", opers);
	=09
interp.execfile(script);
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Loading the following props from a file

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
python.cachedir=3DZ:/gm/GenMedCommon/cachedir/GenMedBCB
python.path=3DZ:/gm/GenMedBCB/testSrc/GenMedBCBService/scripts;Z:/gm/GenM=
e
dCommon/testSrc/Common/scripts;Z:/gm/jythonLib
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

I have jyhton files of this kind:

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Import package

Class =3D package.object()
Class.doSomething()

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

And when i change something in the module package, it is not visible.
The changes aren't applied. Event creating an interpreter on every
execution. What can be happening

Thanks in advance

Tiago Jorge