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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
%module pyarmnn_tfparser
%{
#define SWIG_FILE_WITH_INIT
#include "armnnTfParser/ITfParser.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 armnnTfParser
{
%feature("docstring",
"
Interface for creating a parser object using TensorFlow (https://www.tensorflow.org/) frozen pb files.
Parsers are used to automatically construct Arm NN graphs from model files.
") ITfParser;
%nodefaultctor ITfParser;
class ITfParser
{
public:
%feature("docstring",
"
Retrieve binding info (layer id and tensor info) for the network input identified by the given layer name.
Args:
name (str): Name of the input.
Returns:
tuple: (`int`, `TensorInfo`).
") GetNetworkInputBindingInfo;
std::pair<int, armnn::TensorInfo> GetNetworkInputBindingInfo(const std::string& name);
%feature("docstring",
"
Retrieve binding info (layer id and tensor info) for the network output identified by the given layer name.
Args:
name (str): Name of the output.
Returns:
tuple: (`int`, `TensorInfo`).
") GetNetworkOutputBindingInfo;
std::pair<int, armnn::TensorInfo> GetNetworkOutputBindingInfo(const std::string& name);
};
%extend ITfParser {
// This is not a substitution of the default constructor of the Armnn class. It tells swig to create custom __init__
// method for ITfParser python object that will use static factory method to do the job.
ITfParser() {
return armnnTfParser::ITfParser::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 ITfParser::Destroy himself.
// $self` is a pointer to extracted ArmNN ITfParser object.
~ITfParser() {
armnnTfParser::ITfParser::Destroy($self);
}
%feature("docstring",
"
Create the network from a pb Protocol buffer file.
Args:
graphFile (str): Path to the tf model to be parsed.
inputShapes (dict): A dict containing the input name as a key & TensorShape as a value.
requestedOutputs (list of str): A list of the output tensor names.
Returns:
INetwork: Parsed network.
Raises:
RuntimeError: If model file was not found.
") CreateNetworkFromBinaryFile;
%newobject CreateNetworkFromBinaryFile;
armnn::INetwork* CreateNetworkFromBinaryFile(const char* graphFile,
const std::map<std::string, armnn::TensorShape>& inputShapes,
const std::vector<std::string>& requestedOutputs) {
return $self->CreateNetworkFromBinaryFile(graphFile, inputShapes, requestedOutputs).release();
}
}
}
// Clear exception typemap.
%exception;
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