Examples of org.python.util.PythonInterpreter.eval()

      modulePaths = new String[] { pycascadingDir, sourceDir };
    }
    PythonInterpreter interpreter = Main.getInterpreter();
    interpreter.execfile(pycascadingDir + "python/pycascading/init_module.py");
    interpreter.set("module_paths", modulePaths);
    interpreter.eval("setup_paths(module_paths)");


    // We set the Python variable "map_input_file" to the path to the mapper
    // input file
    // But this is unfortunately null with the old Hadoop API, see
    // https://groups.google.com/group/cascading-user/browse_thread/thread/d65960ad738bebd4/f343e91625cf3c07

                        // created, so
                        // we use the one from the NengoGraphics.
                        PythonInterpreter pi = NengoGraphics.getInstance().getPythonInterpreter();
                        pi.set("___inStream",
                                new PythonObjectInputStream(new FileInputStream(file)));
                        org.python.core.PyObject obj = pi.eval("___inStream.readObject()");
                        objLoaded = obj.__tojava__(Class.forName("ca.nengo.model.Node"));
                        pi.exec("del ___inStream");


                        SwingUtilities.invokeLater(new Runnable() {
                            public void run() {

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