Method load

src/python/handler/py_LDA.cpp:558–584

}

std::pair<py::UniquePObj<LDAModelObject>, std::vector<uint8_t>> LDAModelObject::load(PyObject* cls, const std::string& filename)
{
	ifstream str{ filename, ios_base::binary };
	if (!str) throw ios_base::failure{ std::string("cannot open file '") + filename + std::string("'") };
	for (size_t i = 0; i < (size_t)tomoto::TermWeight::size; ++i)
	{
		str.seekg(0);
		py::UniqueObj args{ py::buildPyTuple(i) };
		py::UniqueObj newInst{ PyObject_CallObject(cls, args.get()) };
		if (!newInst) throw py::ExcPropagation{};
		auto p = py::checkType<py::PObject<LDAModelObject>>(std::move(newInst));
		auto inst = p->getInst<tomoto::ILDAModel>();
		vector<uint8_t> extraData;
		try
		{
			extraData.clear();
			inst->loadModel(str, &extraData);
		}
		catch (const tomoto::serializer::UnfitException&)
		{
			continue;
		}
		p->isPrepared = true;
		return make_pair(std::move(p), std::move(extraData));
	}
	throw runtime_error{ std::string("'") + filename + std::string("' is not valid model file") };
}

std::pair<py::UniquePObj<LDAModelObject>, std::vector<uint8_t>> LDAModelObject::loads(PyObject* cls, const std::vector<uint8_t>& data)
{