void FileImporter::getSubset(string metapath){
vector < std::pair<float,string> > tmpsubset(0);
BaseFileLoader::attrSubset.clear();
ofFile Meta(metapath);
if(Meta.exists()){
ofxJSONElement json;
json.open(metapath);
Json::Value val = json.get("InfoGain", "");
for( Json::Value::iterator iit = val.begin();iit != val.end(); ++iit){
tmpsubset.push_back(std::pair<float,string>((*iit).asFloat(),iit.memberName()));
}
std::sort(tmpsubset.begin(), tmpsubset.end());
vector< std::pair<float,string> >::iterator startiit = tmpsubset.begin();
if(tmpsubset.size()>numBest){
startiit = tmpsubset.end() - numBest;
}
ofLogWarning("FileImporter","getting subset :");
for( vector< std::pair<float,string> >::iterator iit = startiit ; iit < tmpsubset.end() ; ++iit ){
BaseFileLoader::attrSubset.push_back(iit->second);
ofLogWarning("FileImporter", "\t" +iit->second );
}
}
}
PyObject *Effect::json2python(const Json::Value &json) const
{
switch (json.type())
{
case Json::nullValue:
return Py_BuildValue("");
case Json::realValue:
return Py_BuildValue("d", json.asDouble());
case Json::intValue:
case Json::uintValue:
return Py_BuildValue("i", json.asInt());
case Json::booleanValue:
return Py_BuildValue("i", json.asBool() ? 1 : 0);
case Json::stringValue:
return Py_BuildValue("s", json.asCString());
case Json::objectValue:
{
PyObject * dict= PyDict_New();
for (Json::Value::iterator i = json.begin(); i != json.end(); ++i)
{
PyObject * obj = json2python(*i);
PyDict_SetItemString(dict, i.memberName(), obj);
Py_XDECREF(obj);
}
return dict;
}
case Json::arrayValue:
{
PyObject * list = PyList_New(json.size());
for (Json::Value::iterator i = json.begin(); i != json.end(); ++i)
{
PyObject * obj = json2python(*i);
PyList_SetItem(list, i.index(), obj);
Py_XDECREF(obj);
}
return list;
}
}
assert(false);
return nullptr;
}