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 __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 __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);
}
@SuppressWarnings("unchecked")
public static Filter[] pathTo(CanonicalPath path) {
if (!path.isDefined()) {
return new Filter[0];
}
List<Filter> fs = new ArrayList<>();
for (Path.Segment s : path.getPath()) {
fs.add(Related.by(Relationships.WellKnown.contains));
fs.add(With.type(Entity.entityTypeFromSegmentType(s.getElementType())));
fs.add(With.id(s.getElementId()));
}
if (fs.size() < 2) {
return new Filter[0];
} else {
// remove the first 'contains' defined in the loop above
List<Filter> ret = fs.subList(1, fs.size());
return ret.toArray(new Filter[ret.size()]);
}
}
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);
}
