RE: [Jython-users] Creating a .class file from a .py file from in side a Java app

[Jim A. <Ji...@do...>]

For various reasons, I just use 'compile' directly:

PyCode compiledPage = __builtin__.compile(pythonCode, showThisOnError,
"exec");

Although I don't know if there's a way to 'optionally write out the .class'
?...


> -----Original Message-----
> From: Robert W. Bill [mailto:rb...@di...]
> Sent: Thursday, October 18, 2001 7:45 PM
> To: Max Muller
> Cc: jyt...@li...
> Subject: Re: [Jython-users] Creating a .class file from a .py 
> file from
> inside a Java app
> 
> 
> Hello Max,
> 
> On Thu, 18 Oct 2001, Max Muller wrote:
> > Hi,
> > 	I have actually just recently gotten into jython, very cool
> > I must say.  I am right now in the process of writing a WebObjects
> > framework that will allow for the use of Jython WOComponents.  When
> > it is done I'll release the source and make an annoucement on this
> > list.  Anyways, right now I have written a JythonClassLoader that
> > when given the path to a .py file it will compile the file to a
> > .class using jythonc and then read the .class in and construct the
> > Class object. So what I am wondering is it possible to not use
> > jythonc to compile the .class? I have been looking through 
> the api in
> > the compiler package, but I haven't been able to find that magic
> > method.  What I would really like to be able to do is in my Java app
> > read in the .py file and then using the Java api's of 
> jython, compile
> > the .py file into a byte array (optionally write out the .class at
> > this point) then construct the Class object, never having to fire up
> > a process outside the regular vm.  Anyone have any ideas?  Thanks in
> > advance.
> 
> An embedded interpreter sounds ideal for your situation, if I've
> understood everything correctly. You could execute a .py file in the
> embedded interpreter, then retrieve the class defined in that 
> file as a
> Java object with the interpreter's get method.  A good 
> example of this is
> the org.python.util.PyServlet class that comes with Jython.
> 
> More embedding info found at http://www.jython.org/docs/embedding.html
> 
> -robert
> 
> 
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