/******************************************************************************* * Copyright 2017-2018 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 <iterator> #include <sstream> #include <string> #include <pybind11/pybind11.h> #include <pybind11/stl.h> #include "ngraph/shape.hpp" //ngraph::Shape #include "pyngraph/shape.hpp" namespace py = pybind11; void regclass_pyngraph_Shape(py::module m) { py::class_<ngraph::Shape, std::shared_ptr<ngraph::Shape>> shape(m, "Shape"); shape.doc() = "ngraph.impl.Shape wraps ngraph::Shape"; shape.def(py::init<const std::initializer_list<size_t>&>()); shape.def(py::init<const std::vector<size_t>&>()); shape.def(py::init<const ngraph::Shape&>()); shape.def("__len__", [](const ngraph::Shape& v) { return v.size(); }); shape.def("__getitem__", [](const ngraph::Shape& v, int key) { return v[key]; }); shape.def("__iter__", [](ngraph::Shape& v) { return py::make_iterator(v.begin(), v.end()); }, py::keep_alive<0, 1>()); /* Keep vector alive while iterator is used */ shape.def("__str__", [](const ngraph::Shape& self) -> std::string { std::stringstream shape_ss; std::copy(self.begin(), self.end(), std::ostream_iterator<int>(shape_ss, ", ")); std::string shape_str = shape_ss.str(); return "[" + shape_str.substr(0, shape_str.size() - 2) + "]"; }); shape.def("__repr__", [](const ngraph::Shape& self) -> std::string { std::string class_name = py::cast(self).get_type().attr("__name__").cast<std::string>(); std::string shape_str = py::cast(self).attr("__str__")().cast<std::string>(); return "<" + class_name + ": (" + shape_str + ")>"; }); }