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//*****************************************************************************
// Copyright 2017-2020 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 <algorithm>
#include <cctype>
#include <functional>
#include <locale>
#include <map>
#include <memory>
#include <string>
#include <vector>
#include <pybind11/numpy.h>
#include <pybind11/stl.h>
#include "ngraph/attribute_visitor.hpp"
#include "ngraph/check.hpp"
#include "ngraph/enum_names.hpp"
#include "ngraph/except.hpp"
#include "ngraph/node.hpp"
#include "ngraph/op/constant.hpp"
#include "ngraph/opset/opset.hpp"
#include "ngraph/util.hpp"
#include "node_factory.hpp"
namespace
{
class DictAttributeDeserializer : public ngraph::AttributeVisitor
{
public:
DictAttributeDeserializer(const py::dict& attributes)
: m_attributes(attributes)
{
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<void>& adapter) override
{
if (m_attributes.contains(name))
{
NGRAPH_CHECK(
false, "No AttributeVisitor support for accessing attribute named: ", name);
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<bool>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<bool>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<std::string>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<std::string>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<int8_t>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<int8_t>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<int16_t>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<int16_t>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<int32_t>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<int32_t>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<int64_t>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<int64_t>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<uint8_t>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<uint8_t>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<uint16_t>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<uint16_t>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<uint32_t>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<uint32_t>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<uint64_t>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<uint64_t>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<float>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<float>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<double>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<double>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<std::vector<std::string>>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<std::vector<std::string>>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<std::vector<int8_t>>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<std::vector<int8_t>>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<std::vector<int16_t>>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<std::vector<int16_t>>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<std::vector<int32_t>>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<std::vector<int32_t>>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<std::vector<int64_t>>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<std::vector<int64_t>>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<std::vector<uint8_t>>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<std::vector<uint8_t>>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<std::vector<uint16_t>>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<std::vector<uint16_t>>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<std::vector<uint32_t>>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<std::vector<uint32_t>>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<std::vector<uint64_t>>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<std::vector<uint64_t>>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<std::vector<float>>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<std::vector<float>>());
}
}
virtual void on_adapter(const std::string& name,
ngraph::ValueAccessor<std::vector<double>>& adapter) override
{
if (m_attributes.contains(name))
{
adapter.set(m_attributes[name.c_str()].cast<std::vector<double>>());
}
}
protected:
const py::dict& m_attributes;
};
class NodeFactory
{
public:
NodeFactory() {}
NodeFactory(const std::string& opset_name)
: m_opset{get_opset(opset_name)}
{
}
std::shared_ptr<ngraph::Node> create(const std::string op_type_name,
const ngraph::NodeVector& arguments,
const py::dict& attributes = py::dict())
{
std::shared_ptr<ngraph::Node> op_node =
std::shared_ptr<ngraph::Node>(m_opset.create(op_type_name));
NGRAPH_CHECK(op_node != nullptr, "Couldn't create operator: ", op_type_name);
NGRAPH_CHECK(!op_node->is_constant(),
"Currently NodeFactory doesn't support Constant node: ",
op_type_name);
DictAttributeDeserializer visitor(attributes);
op_node->set_arguments(as_output_vector(arguments));
op_node->visit_attributes(visitor);
op_node->constructor_validate_and_infer_types();
return op_node;
}
private:
const ngraph::OpSet& get_opset(std::string opset_ver)
{
std::locale loc;
std::transform(opset_ver.begin(), opset_ver.end(), opset_ver.begin(), [&loc](char c) {
return std::tolower(c, loc);
});
using OpsetFunction = std::function<const ngraph::OpSet&()>;
static const std::map<std::string, OpsetFunction> s_opsets{
{"opset0", OpsetFunction(ngraph::get_opset0)},
{"opset1", OpsetFunction(ngraph::get_opset1)},
{"opset3", OpsetFunction(ngraph::get_opset3)},
};
auto it = s_opsets.find(opset_ver);
if (it == s_opsets.end())
{
throw ngraph::ngraph_error("Unsupported opset version requested.");
}
return it->second();
}
const ngraph::OpSet& m_opset{ngraph::get_opset0()};
};
}
namespace py = pybind11;
void regclass_pyngraph_NodeFactory(py::module m)
{
py::class_<NodeFactory> node_factory(m, "NodeFactory");
node_factory.doc() = "NodeFactory creates nGraph nodes";
node_factory.def(py::init());
node_factory.def(py::init<std::string>());
node_factory.def("create", &NodeFactory::create);
node_factory.def("__repr__", [](const NodeFactory& self) { return "<NodeFactory>"; });
}