Function weight_to_string

cpp_easygraph/common/utils.cpp:13–23

}

std::string weight_to_string(py::object weight) {
	py::object warn = py::module_::import("warnings").attr("warn");
	if (!py::isinstance<py::str>(weight)) {
		if (!weight.is_none()) {
			warn(py::str(weight) + py::str(" would be transformed into an instance of str."));
		}
		weight = py::str(weight);
	}
	std::string weight_key = weight.cast<std::string>();
	return weight_key;
}

py::object py_sum(py::object o) {
	py::object sum = py::module_::import("builtins").attr("sum");