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 setDict(PyObject newDict) {
if (newDict instanceof PyStringMap || newDict instanceof PyDictionary) {
dict = newDict;
if (dict.__finditem__(PyString.fromInterned("__del__")) != null
&& !JyAttribute.hasAttr(this, JyAttribute.FINALIZE_TRIGGER_ATTR)) {
FinalizeTrigger.ensureFinalizer(this);
}
} else {
throw Py.TypeError("__dict__ must be set to a Dictionary " + newDict.getClass().getName());
}
}
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 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;
}
