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Jython is an implementation of the high-level, dynamic, object-oriented language Python written in 100% Pure Java, and seamlessly integrated with the Java platform. It thus allows you to run Python on any Java platform.

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// Copyright (c) Corporation for National Research Initiatives
package org.python.core;
import java.util.Vector;

public class PyCompoundCallable extends PyObject {
    private Vector callables;
    private PySystemState systemState;

    public PyCompoundCallable () {
        callables = new Vector();
        systemState = Py.getSystemState();
    }

    public void append(PyObject callable) {
        callables.addElement(callable);
    }

    public void clear() {
        callables.removeAllElements();
    }

    public PyObject __call__(PyObject[] args, String[] keywords) {
        // Set the system state to handle callbacks from java threads
        Py.setSystemState(systemState);
        int n = callables.size();
        //System.out.println("callable: "+n);
        for (int i=0; i";
    }
}