NodePtr NodeRegistry::createNode(const string& sType, const py::dict& pyDict)
{
const NodeDefinition& def = getNodeDef(sType);
py::dict effParams;
StylePtr pStyle;
if (pyDict.has_key("style")) {
py::object param = pyDict["style"];
pyDict.attr("__delitem__")("style");
pStyle = py::extract<StylePtr>(param);
effParams = pStyle->mergeParams(pyDict);
} else {
effParams = pyDict;
}
ArgList args(def.getDefaultArgs(), effParams);
NodeBuilder builder = def.getBuilder();
NodePtr pNode = builder(args);
pNode->setTypeInfo(&def);
pNode->setStyle(pStyle);
return pNode;
}
void Node::pyHandleCustomCtorArgs(py::tuple& args, py::dict& kw){
if(py::len(args)>0){
if(py::len(args)>2) throw std::runtime_error("Node: only takes 0, 1 or 2 non-keyword arguments ("+to_string(py::len(args))+" given).");
py::extract<Vector3r> posEx(args[0]);
if(!posEx.check()) woo::TypeError("Node: first non-keyword argument must be Vector3 (pos)");
pos=posEx();
if(py::len(args)==2){
py::extract<Quaternionr> oriEx(args[1]);
if(!oriEx.check()) woo::TypeError("Node: second non-keyword argument must be Quaternion (ori)");
ori=oriEx();
}
args=py::tuple(); // clear args
}
for(const char* name:{"dem","gl","sparc","clDem"}){
if(!kw.has_key(name)) continue;
auto& d=py::extract<shared_ptr<NodeData>>(kw[name])();
if(d->getterName()!=string(name)) throw std::runtime_error("Node: mismatch passing "+string(name)+"="+d->pyStr()+": shorthand for this type should be "+d->getterName()+" (not "+string(name)+").");
d->setDataOnNode(*this);
py::api::delitem(kw,name);
}
}
// Trajectory conversion utility functions
static inline py::object dictExtract(py::dict d, const string &k) {
return d.has_key(k) ? d[k] : py::object();
}