Re: [Jython-users] embedding questions

[Paul G. <pau...@so...>]

Here is a variation on the method described below. It assumes that you 
have the python code that defines your methods stored in a Sting. This 
allows you to retrieve the function definitions  from a database, 
resource, hardcoded string, etc.


       static final  String code = "def helloWorld():\n   print 'Hello 
World\n'";   // example using a hardcoded string

....

       interp_ = new InteractiveConsole();
       code = code.trim();
        StringTokenizer st = new StringTokenizer
            (code, System.getProperty("line.separator"));
        while (st.hasMoreTokens())
        {
            String lineOfCode = st.nextToken();
            interp_.push(lineOfCode);
        }

....


-Paul




>>- I would also like to expose some python functions into the global
>>namespace of any executed python script.  These functions are actually
>>implemented in Java and provide some app-specific functionality to the
>>python environment. 
>>
>
>I'm not one of the 'experts', but this is how I do it and it seems to work=
> fine; just 'execfile' the file with the functions:
>
> InputStream functionFileStream =3D FileIO.FindFileOrStream(=
> functionListName, dataPath, "functions", debugLevel);
> python.execfile( functionFileStream, functionListName); // pass the name=
> for parsing errors
>
>This way the names are scoped into the top level.
>
>(My 'FindFileOrStream' finds the function file in a file or jar in the=
> 'dataPath'. I have a list of functions files in an XML configuration=
> file.)
>
>- Jim
>
>

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