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+//
+// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+%module pyarmnn_deserializer
+%{
+#include "armnnDeserializer/IDeserializer.hpp"
+#include "armnn/Types.hpp"
+#include "armnn/INetwork.hpp"
+#include "armnn/Exceptions.hpp"
+#include <string>
+#include <fstream>
+#include <sstream>
+%}
+
+//typemap definitions and other common stuff
+%include "standard_header.i"
+
+namespace std {
+ %template(BindingPointInfo) pair<int, armnn::TensorInfo>;
+ %template(MapStringTensorShape) map<std::string, armnn::TensorShape>;
+ %template(StringVector) vector<string>;
+}
+
+namespace armnnDeserializer
+{
+%feature("docstring",
+"
+Interface for creating a parser object using ArmNN files.
+
+Parsers are used to automatically construct ArmNN graphs from model files.
+
+") IDeserializer;
+%nodefaultctor IDeserializer;
+class IDeserializer
+{
+public:
+};
+
+%extend IDeserializer {
+// This is not a substitution of the default constructor of the Armnn class. It tells swig to create custom __init__
+// method for ArmNN python object that will use static factory method to do the job.
+
+ IDeserializer() {
+ return armnnDeserializer::IDeserializer::CreateRaw();
+ }
+
+// The following does not replace a real destructor of the Armnn class.
+// It creates a functions that will be called when swig object goes out of the scope to clean resources.
+// so the user doesn't need to call IDeserializer::Destroy himself.
+// $self` is a pointer to extracted ArmNN IDeserializer object.
+
+ ~IDeserializer() {
+ armnnDeserializer::IDeserializer::Destroy($self);
+ }
+
+ %feature("docstring",
+ "
+ Create the network from a armnn binary file.
+
+ Args:
+ graphFile (str): Path to the armnn model to be parsed.
+
+ Returns:
+ INetwork: Parsed network.
+
+ Raises:
+ RuntimeError: If model file was not found.
+ ") CreateNetworkFromBinaryFile;
+
+ %newobject CreateNetworkFromBinary;
+ armnn::INetwork* CreateNetworkFromBinary(const char *graphFile) {
+ std::ifstream is(graphFile, std::ifstream::binary);
+ if (!is.good()) {
+ std::string locationString = CHECK_LOCATION().AsString();
+ std::stringstream msg;
+ msg << "Cannot read the file " << graphFile << locationString;
+ throw armnn::FileNotFoundException(msg.str());
+ }
+ return $self->CreateNetworkFromBinary(is).release();
+ }
+
+// Make both GetNetworkInputBindingInfo and GetNetworkOutputBindingInfo return a std::pair like other parsers instead of struct.
+
+ %feature("docstring",
+ "
+ Retrieve binding info (layer id and tensor info) for the network input identified by the given layer name and subgraph id.
+ Args:
+ subgraphId (int): The layer id. Any value is acceptable since it is unused in the current implementation.
+ name (str): Name of the input.
+
+ Returns:
+ tuple: (`int`, `TensorInfo`).
+ ") GetNetworkInputBindingInfo;
+ std::pair<int, armnn::TensorInfo> GetNetworkInputBindingInfo(unsigned int layerId, const std::string& name){
+ armnnDeserializer::BindingPointInfo info = $self->GetNetworkInputBindingInfo(layerId, name);
+ return std::make_pair(info.m_BindingId, info.m_TensorInfo);
+ }
+
+ %feature("docstring",
+ "
+ Retrieve binding info (layer id and `TensorInfo`) for the network output identified by the given layer name and subgraph id.
+
+ Args:
+ layerId (int): The layer id. Any value is acceptable since it is unused in the current implementation.
+ name (str): Name of the output.
+
+ Returns:
+ tuple: (`int`, `TensorInfo`).
+ ") GetNetworkOutputBindingInfo;
+ std::pair<int, armnn::TensorInfo> GetNetworkOutputBindingInfo(unsigned int layerId, const std::string& name){
+ armnnDeserializer::BindingPointInfo info = $self->GetNetworkOutputBindingInfo(layerId, name);
+ return std::make_pair(info.m_BindingId, info.m_TensorInfo);
+ }
+}
+
+} // end of namespace armnnDeserializer
+
+// Clear exception typemap.
+%exception;