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+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+%module pyarmnn_tfliteparser
+%{
+#include "armnnTfLiteParser/ITfLiteParser.hpp"
+#include "armnn/Types.hpp"
+#include "armnn/INetwork.hpp"
+%}
+
+//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 armnnTfLiteParser
+{
+%feature("docstring",
+"
+Interface for creating a parser object using TfLite (https://www.tensorflow.org/lite) tflite files.
+
+Parsers are used to automatically construct Arm NN graphs from model files.
+
+") ITfLiteParser;
+%nodefaultctor ITfLiteParser;
+class ITfLiteParser
+{
+public:
+ %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 subgraph id.
+ name (str): Name of the input.
+
+ Returns:
+ tuple: (`int`, `TensorInfo`).
+ ") GetNetworkInputBindingInfo;
+ std::pair<int, armnn::TensorInfo> GetNetworkInputBindingInfo(size_t subgraphId, const std::string& name);
+
+ %feature("docstring",
+ "
+ Retrieve binding info (layer id and tensor info) for the network output identified by the given layer name and subgraph id.
+
+ Args:
+ subgraphId (int): The subgraphID.
+ name (str): Name of the output.
+
+ Returns:
+ tuple: (`int`, `TensorInfo`).
+ ") GetNetworkOutputBindingInfo;
+ std::pair<int, armnn::TensorInfo> GetNetworkOutputBindingInfo(size_t subgraphId, const std::string& name);
+
+ %feature("docstring",
+ "
+ Return the number of subgraphs in the parsed model.
+ Returns:
+ int: The number of subgraphs.
+ ") GetSubgraphCount;
+ size_t GetSubgraphCount();
+
+ %feature("docstring",
+ "
+ Return the input tensor names for a given subgraph.
+
+ Args:
+ subgraphId (int): The subgraph id.
+
+ Returns:
+ list: A list of the input tensor names for the given model.
+ ") GetSubgraphInputTensorNames;
+ std::vector<std::string> GetSubgraphInputTensorNames(size_t subgraphId);
+
+ %feature("docstring",
+ "
+ Return the output tensor names for a given subgraph.
+
+ Args:
+ subgraphId (int): The subgraph id
+
+ Returns:
+ list: A list of the output tensor names for the given model.
+ ") GetSubgraphOutputTensorNames;
+ std::vector<std::string> GetSubgraphOutputTensorNames(size_t subgraphId);
+};
+
+%extend ITfLiteParser {
+// This is not a substitution of the default constructor of the Armnn class. It tells swig to create custom __init__
+// method for ITfLiteParser python object that will use static factory method to do the job.
+
+ ITfLiteParser() {
+ return armnnTfLiteParser::ITfLiteParser::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 ITfLiteParser::Destroy himself.
+// $self` is a pointer to extracted ArmNN ITfLiteParser object.
+
+ ~ITfLiteParser() {
+ armnnTfLiteParser::ITfLiteParser::Destroy($self);
+ }
+
+ %feature("docstring",
+ "
+ Create the network from a flatbuffers binary file.
+
+ Args:
+ graphFile (str): Path to the tflite model to be parsed.
+
+ Returns:
+ INetwork: Parsed network.
+
+ Raises:
+ RuntimeError: If model file was not found.
+ ") CreateNetworkFromBinaryFile;
+
+ %newobject CreateNetworkFromBinaryFile;
+ armnn::INetwork* CreateNetworkFromBinaryFile(const char* graphFile) {
+ return $self->CreateNetworkFromBinaryFile(graphFile).release();
+ }
+
+}
+
+}
+// Clear exception typemap.
+%exception;