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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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/* Generated file, do not modify.  See jython/src/templates/gderived.py. */
package org.python.core;

import java.io.Serializable;
import org.python.core.finalization.FinalizeTrigger;
import org.python.core.finalization.FinalizablePyObjectDerived;

public class PyFileDerived extends PyFile implements Slotted,FinalizablePyObjectDerived,TraverseprocDerived {

    public PyObject getSlot(int index) {
        return slots[index];
    }

    public void setSlot(int index,PyObject value) {
        slots[index]=value;
    }

    private PyObject[]slots;

    public void __del_derived__() {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__del__");
        if (impl!=null) {
            impl.__get__(this,self_type).__call__();
        }
    }

    public void __ensure_finalizer__() {
        FinalizeTrigger.ensureFinalizer(this);
    }

    /* TraverseprocDerived implementation */
    public int traverseDerived(Visitproc visit,Object arg) {
        int retVal;
        for(int i=0;i0?1:0;
    }

    public boolean __nonzero__() {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__nonzero__");
        if (impl==null) {
            impl=self_type.lookup("__len__");
            if (impl==null)
                return super.__nonzero__();
        }
        PyObject o=impl.__get__(this,self_type).__call__();
        Class c=o.getClass();
        if (c!=PyInteger.class&&c!=PyBoolean.class) {
            throw Py.TypeError(String.format("__nonzero__ should return bool or int, returned %s",self_type.getName()));
        }
        return o.__nonzero__();
    }

    public boolean __contains__(PyObject o) {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__contains__");
        if (impl==null)
            return super.__contains__(o);
        return impl.__get__(this,self_type).__call__(o).__nonzero__();
    }

    public int __len__() {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__len__");
        if (impl!=null) {
            PyObject res=impl.__get__(this,self_type).__call__();
            return res.asInt();
        }
        return super.__len__();
    }

    public PyObject __iter__() {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__iter__");
        if (impl!=null)
            return impl.__get__(this,self_type).__call__();
        impl=self_type.lookup("__getitem__");
        if (impl==null)
            return super.__iter__();
        return new PySequenceIter(this);
    }

    public PyObject __iternext__() {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("next");
        if (impl!=null) {
            try {
                return impl.__get__(this,self_type).__call__();
            } catch (PyException exc) {
                if (exc.match(Py.StopIteration))
                    return null;
                throw exc;
            }
        }
        return super.__iternext__(); // ???
    }

    public PyObject __finditem__(PyObject key) { // ???
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__getitem__");
        if (impl!=null)
            try {
                return impl.__get__(this,self_type).__call__(key);
            } catch (PyException exc) {
                if (exc.match(Py.LookupError))
                    return null;
                throw exc;
            }
        return super.__finditem__(key);
    }

    public PyObject __finditem__(int key) {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__getitem__");
        if (impl!=null)
            try {
                return impl.__get__(this,self_type).__call__(new PyInteger(key));
            } catch (PyException exc) {
                if (exc.match(Py.LookupError))
                    return null;
                throw exc;
            }
        return super.__finditem__(key);
    }

    public PyObject __getitem__(PyObject key) {
        // Same as __finditem__, without swallowing LookupErrors. This allows
        // __getitem__ implementations written in Python to raise custom
        // exceptions (such as subclasses of KeyError).
        //
        // We are forced to duplicate the code, instead of defining __finditem__
        // in terms of __getitem__. That's because PyObject defines __getitem__
        // in terms of __finditem__. Therefore, we would end with an infinite
        // loop when self_type.lookup("__getitem__") returns null:
        //
        //  __getitem__ -> super.__getitem__ -> __finditem__ -> __getitem__
        //
        // By duplicating the (short) lookup and call code, we are safe, because
        // the call chains will be:
        //
        // __finditem__ -> super.__finditem__
        //
        // __getitem__ -> super.__getitem__ -> __finditem__ -> super.__finditem__

        PyType self_type=getType();
        PyObject impl=self_type.lookup("__getitem__");
        if (impl!=null)
            return impl.__get__(this,self_type).__call__(key);
        return super.__getitem__(key);
    }

    public void __setitem__(PyObject key,PyObject value) { // ???
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__setitem__");
        if (impl!=null) {
            impl.__get__(this,self_type).__call__(key,value);
            return;
        }
        super.__setitem__(key,value);
    }

    public PyObject __getslice__(PyObject start,PyObject stop,PyObject step) { // ???
        if (step!=null) {
            return __getitem__(new PySlice(start,stop,step));
        }
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__getslice__");
        if (impl!=null) {
            PyObject[]indices=PySlice.indices2(this,start,stop);
            return impl.__get__(this,self_type).__call__(indices[0],indices[1]);
        }
        return super.__getslice__(start,stop,step);
    }

    public void __setslice__(PyObject start,PyObject stop,PyObject step,PyObject value) {
        if (step!=null) {
            __setitem__(new PySlice(start,stop,step),value);
            return;
        }
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__setslice__");
        if (impl!=null) {
            PyObject[]indices=PySlice.indices2(this,start,stop);
            impl.__get__(this,self_type).__call__(indices[0],indices[1],value);
            return;
        }
        super.__setslice__(start,stop,step,value);
    }

    public void __delslice__(PyObject start,PyObject stop,PyObject step) {
        if (step!=null) {
            __delitem__(new PySlice(start,stop,step));
            return;
        }
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__delslice__");
        if (impl!=null) {
            PyObject[]indices=PySlice.indices2(this,start,stop);
            impl.__get__(this,self_type).__call__(indices[0],indices[1]);
            return;
        }
        super.__delslice__(start,stop,step);
    }

    public void __delitem__(PyObject key) { // ???
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__delitem__");
        if (impl!=null) {
            impl.__get__(this,self_type).__call__(key);
            return;
        }
        super.__delitem__(key);
    }

    public PyObject __call__(PyObject args[],String keywords[]) {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__call__");
        if (impl!=null) {
            return impl.__get__(this,self_type).__call__(args,keywords);
        }
        return super.__call__(args,keywords);
    }

    public PyObject __findattr_ex__(String name) {
        return Deriveds.__findattr_ex__(this,name);
    }

    public void __setattr__(String name,PyObject value) {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__setattr__");
        if (impl!=null) {
            impl.__get__(this,self_type).__call__(PyString.fromInterned(name),value);
            //CPython does not support instance-acquired finalizers.
            //So we don't check for __del__ here.
            return;
        }
        super.__setattr__(name,value);
    }

    public void __delattr__(String name) {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__delattr__");
        if (impl!=null) {
            impl.__get__(this,self_type).__call__(PyString.fromInterned(name));
            return;
        }
        super.__delattr__(name);
    }

    public PyObject __get__(PyObject obj,PyObject type) {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__get__");
        if (impl!=null) {
            if (obj==null)
                obj=Py.None;
            if (type==null)
                type=Py.None;
            return impl.__get__(this,self_type).__call__(obj,type);
        }
        return super.__get__(obj,type);
    }

    public void __set__(PyObject obj,PyObject value) {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__set__");
        if (impl!=null) {
            impl.__get__(this,self_type).__call__(obj,value);
            return;
        }
        super.__set__(obj,value);
    }

    public void __delete__(PyObject obj) {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__delete__");
        if (impl!=null) {
            impl.__get__(this,self_type).__call__(obj);
            return;
        }
        super.__delete__(obj);
    }

    public PyObject __pow__(PyObject other,PyObject modulo) {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__pow__");
        if (impl!=null) {
            PyObject res;
            if (modulo==null) {
                res=impl.__get__(this,self_type).__call__(other);
            } else {
                res=impl.__get__(this,self_type).__call__(other,modulo);
            }
            if (res==Py.NotImplemented)
                return null;
            return res;
        }
        return super.__pow__(other,modulo);
    }

    public void dispatch__init__(PyObject[]args,String[]keywords) {
        Deriveds.dispatch__init__(this,args,keywords);
    }

    public PyObject __index__() {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__index__");
        if (impl!=null) {
            PyObject res=impl.__get__(this,self_type).__call__();
            if (res instanceof PyInteger||res instanceof PyLong) {
                return res;
            }
            throw Py.TypeError(String.format("__index__ returned non-(int,long) (type %s)",res.getType().fastGetName()));
        }
        return super.__index__();
    }

    public Object __tojava__(Class c) {
        // If we are not being asked by the "default" conversion to java, then
        // we can provide this as the result, as long as it is a instance of the
        // specified class. Without this, derived.__tojava__(PyObject.class)
        // would broke. (And that's not pure speculation: PyReflectedFunction's
        // ReflectedArgs asks for things like that).
        if ((c!=Object.class)&&(c!=Serializable.class)&&(c.isInstance(this))) {
            return this;
        }
        // Otherwise, we call the derived __tojava__, if it exists:
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__tojava__");
        if (impl!=null) {
            PyObject delegate=impl.__get__(this,self_type).__call__(Py.java2py(c));
            if (delegate!=this)
                return delegate.__tojava__(Object.class);
        }
        return super.__tojava__(c);
    }

    public Object __coerce_ex__(PyObject o) {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__coerce__");
        if (impl!=null) {
            PyObject res=impl.__get__(this,self_type).__call__(o);
            if (res==Py.NotImplemented)
                return Py.None;
            if (!(res instanceof PyTuple))
                throw Py.TypeError("__coerce__ didn't return a 2-tuple");
            return((PyTuple)res).getArray();
        }
        return super.__coerce_ex__(o);
    }

    // Hand-crafted in file.derived

    public void close() {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("close");
        if (impl!=null) {
            impl.__get__(this,self_type).__call__();
        } else {
            super.close();
        }
    }

    public String toString() {
        PyType self_type=getType();
        PyObject impl=self_type.lookup("__repr__");
        if (impl!=null) {
            PyObject res=impl.__get__(this,self_type).__call__();
            if (!(res instanceof PyString))
                throw Py.TypeError("__repr__ returned non-string (type "+res.getType().fastGetName()+")");
            return((PyString)res).toString();
        }
        return super.toString();
    }

}




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