package org.python.util;

import java.io.*;
import java.util.*;
import java.util.jar.*;
import org.python.core.*;

public class RunJar {
    public static void main(String[] args) throws Exception {
        for (int i = 0; i < args.length; i++) {
            System.out.print(args[i] + " ");
        }
        System.out.println();
        Properties p = System.getProperties();
        for (Enumeration e = p.keys(); e.hasMoreElements(); ) {
            String key = (String) e.nextElement();
            //System.out.println(key + " = " + p.getProperty(key));
        }

        InputStream is = RunJar.class.getResourceAsStream(
        //                        "/META-INF/MANIFEST.MF");
                                  "/jython.mf");
        if (is == null) {
            System.err.println("No MANIFEST found");
            System.exit(1);
        }

        Manifest manifest = new Manifest(is);

System.out.println(manifest.getEntries().keySet());

        Attributes main = manifest.getAttributes("python.main");
        if (main == null) {
            System.err.println("No python.main section in manifest");
            System.exit(1);
        }

        String script = main.getValue("Main-Script");
        if (script == null) {
            System.err.println("No Main-Script property in manifest");
            System.exit(1);
        }

        Attributes options = manifest.getAttributes("python.options");
        Properties props = new Properties();
        if (options != null) {
            for (Iterator i = options.keySet().iterator(); i.hasNext(); ) {
                String key = i.next().toString();
                props.put(key.replace('-', '.'), options.getValue(key));
            }
        }

        PythonInterpreter.initialize(props, System.getProperties(), args);  
        PythonInterpreter interp = new PythonInterpreter();
        PyModule mod = imp.addModule("__main__");
        interp.setLocals(mod.__dict__);
        is = RunJar.class.getResourceAsStream("/" + script);
        if (is == null) {
            System.err.println("No Main-Script in resources");
            System.exit(1);
        }
        interp.execfile(is, script);
    }
}