text: //*****************************************************************************
  // Copyright 2017-2021 Intel Corporation
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  //*****************************************************************************
  
  #include <pybind11/pybind11.h>
  #include <pybind11/stl.h>
  #include <pybind11/stl_bind.h>
  
  #include "dict_attribute_visitor.hpp"
  #include "ngraph/node.hpp"
  #include "ngraph/op/add.hpp"
  #include "ngraph/op/divide.hpp"
  #include "ngraph/op/multiply.hpp"
  #include "ngraph/op/subtract.hpp"
  #include "ngraph/variant.hpp"
  #include "pyngraph/node.hpp"
  #include "pyngraph/rt_map.hpp"
  #include "pyngraph/variant.hpp"
  
  namespace py = pybind11;
  
  using PyRTMap = std::map<std::string, std::shared_ptr<ngraph::Variant>>;
  
  PYBIND11_MAKE_OPAQUE(PyRTMap);
  
  void regclass_pyngraph_Node(py::module m)
  {
      py::class_<ngraph::Node, std::shared_ptr<ngraph::Node>> node(m, "Node", py::dynamic_attr());
      node.doc() = "ngraph.impl.Node wraps ngraph::Node";
      node.def("__add__",
               [](const std::shared_ptr<ngraph::Node>& a, const std::shared_ptr<ngraph::Node> b) {
                   return std::make_shared<ngraph::op::v1::Add>(a, b);
               },
               py::is_operator());
      node.def("__sub__",
               [](const std::shared_ptr<ngraph::Node>& a, const std::shared_ptr<ngraph::Node> b) {
                   return std::make_shared<ngraph::op::v1::Subtract>(a, b);
               },
               py::is_operator());
      node.def("__mul__",
               [](const std::shared_ptr<ngraph::Node>& a, const std::shared_ptr<ngraph::Node> b) {
                   return std::make_shared<ngraph::op::v1::Multiply>(a, b);
               },
               py::is_operator());
      node.def("__div__",
               [](const std::shared_ptr<ngraph::Node>& a, const std::shared_ptr<ngraph::Node> b) {
                   return std::make_shared<ngraph::op::v1::Divide>(a, b);
               },
               py::is_operator());
      node.def("__truediv__",
               [](const std::shared_ptr<ngraph::Node>& a, const std::shared_ptr<ngraph::Node> b) {
                   return std::make_shared<ngraph::op::v1::Divide>(a, b);
               },
               py::is_operator());
  
      node.def("__repr__", [](const ngraph::Node& self) {
          std::string type_name = self.get_type_name();
          std::stringstream shapes_ss;
          for (size_t i = 0; i < self.get_output_size(); ++i)
          {
              if (i > 0)
              {
                  shapes_ss << ", ";
              }
              shapes_ss << self.get_output_partial_shape(i);
          }
          return "<" + type_name + ": '" + self.get_friendly_name() + "' (" + shapes_ss.str() + ")>";
      });
  
      node.def("get_element_type", &ngraph::Node::get_element_type);
      node.def("get_output_size", &ngraph::Node::get_output_size);
      node.def("get_output_element_type", &ngraph::Node::get_output_element_type);
      node.def("get_output_shape", &ngraph::Node::get_output_shape);
      node.def("get_output_partial_shape", &ngraph::Node::get_output_partial_shape);
      node.def("get_type_name", &ngraph::Node::get_type_name);
      node.def("get_name", &ngraph::Node::get_name);
      node.def("get_friendly_name", &ngraph::Node::get_friendly_name);
      node.def("set_friendly_name", &ngraph::Node::set_friendly_name);
      node.def("input", (ngraph::Input<ngraph::Node>(ngraph::Node::*)(size_t)) & ngraph::Node::input);
      node.def("inputs",
               (std::vector<ngraph::Input<ngraph::Node>>(ngraph::Node::*)()) & ngraph::Node::inputs);
      node.def("output",
               (ngraph::Output<ngraph::Node>(ngraph::Node::*)(size_t)) & ngraph::Node::output);
      node.def("outputs",
               (std::vector<ngraph::Output<ngraph::Node>>(ngraph::Node::*)()) &
                   ngraph::Node::outputs);
      node.def("get_rt_info",
               (PyRTMap & (ngraph::Node::*)()) & ngraph::Node::get_rt_info,
               py::return_value_policy::reference_internal);
  
      node.def_property_readonly("shape", &ngraph::Node::get_shape);
      node.def_property_readonly("name", &ngraph::Node::get_name);
      node.def_property_readonly("rt_info",
                                 (PyRTMap & (ngraph::Node::*)()) & ngraph::Node::get_rt_info,
                                 py::return_value_policy::reference_internal);
      node.def_property(
          "friendly_name", &ngraph::Node::get_friendly_name, &ngraph::Node::set_friendly_name);
  
      node.def("_get_attributes", [](const std::shared_ptr<ngraph::Node>& self) {
          util::DictAttributeSerializer dict_serializer(self);
          return dict_serializer.get_attributes();
      });
      node.def(
          "_set_attribute",
          [](std::shared_ptr<ngraph::Node>& self, const std::string& atr_name, py::object value) {
              py::dict attr_dict;
              attr_dict[atr_name.c_str()] = value;
              util::DictAttributeDeserializer dict_deserializer(attr_dict);
              self->visit_attributes(dict_deserializer);
          });
  }
  