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 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__();
if (o.getClass() != PyInteger.class && o.getClass() != PyBoolean.class) {
throw Py.TypeError(
String.format("__nonzero__ should return bool or int, returned %s", self_type.getName()));
}
return o.__nonzero__();
}
public int hashCode() {
PyType self_type = getType();
PyObject impl = self_type.lookup("__hash__");
if (impl != null) {
PyObject res = impl.__get__(this, self_type).__call__();
if (res instanceof PyInteger) {
return ((PyInteger) res).getValue().intValue();
}
throw Py.TypeError("__hash__ should return a int");
}
if (self_type.lookup("__eq__") != null || self_type.lookup("__cmp__") != null) {
throw Py.TypeError(String.format("unhashable type: '%.200s'", getType().fastGetName()));
}
return super.hashCode();
}
public void __del_derived__() {
PyType self_type = getType();
PyObject impl = self_type.lookup("__del__");
if (impl != null) {
impl.__get__(this, self_type).__call__();
}
}
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 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 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 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 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 __ixor__(PyObject other) {
PyType self_type = getType();
PyObject impl = self_type.lookup("__ixor__");
if (impl != null) {
PyObject res = impl.__get__(this, self_type).__call__(other);
if (res == Py.NotImplemented) return null;
return res;
}
return super.__ixor__(other);
}
public PyObject __int__() {
PyType self_type = getType();
PyObject impl = self_type.lookup("__int__");
if (impl != null) {
PyObject res = impl.__get__(this, self_type).__call__();
if (res instanceof PyInteger || res instanceof PyLong) return res;
throw Py.TypeError("__int__" + " should return an integer");
}
return super.__int__();
}
public int __len__() {
PyType self_type = getType();
PyObject impl = self_type.lookup("__len__");
if (impl != null) {
PyObject res = impl.__get__(this, self_type).__call__();
if (res instanceof PyInteger) return ((PyInteger) res).getValue();
throw Py.TypeError("__len__ should return a int");
}
return super.__len__();
}
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 __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 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);
}
public PyFloat __float__() {
PyType self_type = getType();
PyObject impl = self_type.lookup("__float__");
if (impl != null) {
PyObject res = impl.__get__(this, self_type).__call__();
if (res instanceof PyFloat) return (PyFloat) res;
throw Py.TypeError(
"__float__" + " returned non-" + "float" + " (type " + res.getType().fastGetName() + ")");
}
return super.__float__();
}
public PyUnicode __unicode__() {
PyType self_type = getType();
PyObject impl = self_type.lookup("__unicode__");
if (impl != null) {
PyObject res = impl.__get__(this, self_type).__call__();
if (res instanceof PyUnicode) return (PyUnicode) res;
if (res instanceof PyString) return new PyUnicode((PyString) res);
throw Py.TypeError("__unicode__" + " should return a " + "unicode");
}
return super.__unicode__();
}
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 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 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();
}
public PyObject __call__(PyObject args[], String keywords[]) {
ThreadState ts = Py.getThreadState();
if (ts.recursion_depth++ > ts.systemState.getrecursionlimit())
throw Py.RuntimeError("maximum __call__ recursion depth exceeded");
try {
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);
} finally {
--ts.recursion_depth;
}
}
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 __findattr_ex__(String name) {
PyType self_type = getType();
// TODO: We should speed this up. As the __getattribute__ slot almost never
// changes, it is a good candidate for caching, as PyClass does with
// __getattr__. See #1102.
PyObject getattribute = self_type.lookup("__getattribute__");
PyString py_name = null;
PyException firstAttributeError = null;
try {
if (getattribute != null) {
py_name = PyString.fromInterned(name);
return getattribute.__get__(this, self_type).__call__(py_name);
} else {
Py.Warning(String.format("__getattribute__ not found on type %s", self_type.getName()));
PyObject ret = super.__findattr_ex__(name);
if (ret != null) {
return ret;
} // else: pass through to __getitem__ invocation
}
} catch (PyException e) {
if (!Py.matchException(e, Py.AttributeError)) {
throw e;
} else {
firstAttributeError = e; // saved to avoid swallowing custom AttributeErrors
// and pass through to __getattr__ invocation.
}
}
PyObject getattr = self_type.lookup("__getattr__");
if (getattr != null) {
if (py_name == null) {
py_name = PyString.fromInterned(name);
}
return getattr.__get__(this, self_type).__call__(py_name);
}
if (firstAttributeError != null) {
throw firstAttributeError;
}
return null;
}
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 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 void dispatch__init__(PyType type, PyObject[] args, String[] keywords) {
PyType self_type = getType();
if (self_type.isSubType(type)) {
PyObject impl = self_type.lookup("__init__");
if (impl != null) {
PyObject res = impl.__get__(this, self_type).__call__(args, keywords);
if (res != Py.None) {
throw Py.TypeError(
String.format(
"__init__() should return None, not '%.200s'", res.getType().fastGetName()));
}
proxyInit();
}
}
}
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 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)
return impl.__get__(this, self_type).__call__(Py.java2py(c)).__tojava__(Object.class);
return super.__tojava__(c);
}
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 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__();
}
