Onnx Parser¶

class tensorrt.OnnxParser(self: tensorrt.tensorrt.OnnxParser, network: tensorrt.tensorrt.INetworkDefinition, logger: tensorrt.tensorrt.ILogger) → None¶

This class is used for parsing Onnx models into a TensorRT network definition

Variables:	num_errors – `int` The number of errors that occurred during prior calls to `parse()`
Parameters:	network – The network definition to which the parser will write. logger – The logger to use.

__del__(self: tensorrt.tensorrt.OnnxParser) → None¶

__exit__(exc_type, exc_value, traceback)¶: Destroy this object, freeing all memory associated with it. This should be called to ensure that the object is cleaned up properly. Equivalent to invoking __del__()

__init__(self: tensorrt.tensorrt.OnnxParser, network: tensorrt.tensorrt.INetworkDefinition, logger: tensorrt.tensorrt.ILogger) → None¶

Parameters:	network – The network definition to which the parser will write. logger – The logger to use.

clear_errors(self: tensorrt.tensorrt.OnnxParser) → None¶: Clear errors from prior calls to parse()

get_error(self: tensorrt.tensorrt.OnnxParser, index: int) → nvonnxparser::IParserError¶

Get an error that occurred during prior calls to parse()

Parameters:	index – Index of the error

parse(self: tensorrt.tensorrt.OnnxParser, model: str) → bool¶

Parse a serialized Onnx model into the TensorRT network. Note that a result of true does not guarantee that the operator will be supported in all cases (i.e., this function may return false-positives).

Parameters:	model – The serialized Onnx model object.
Returns:	true if the model was parsed successfully

supports_operator(self: tensorrt.tensorrt.OnnxParser, op_name: str) → bool¶

Returns whether the specified operator may be supported by the parser.

Parameters:	op_name – The name of the Onnx operator to check for support

tensorrt.ErrorCode¶

The type of parser error

Members:

SUCCESS

INTERNAL_ERROR

MEM_ALLOC_FAILED

MODEL_DESERIALIZE_FAILED

INVALID_VALUE

INVALID_GRAPH

INVALID_NODE

UNSUPPORTED_GRAPH

UNSUPPORTED_NODE

class tensorrt.ParserError¶

code(self: tensorrt.tensorrt.ParserError) → tensorrt.tensorrt.ErrorCode¶

Returns:	The error code

desc(self: tensorrt.tensorrt.ParserError) → str¶

Returns:	Description of the error

file(self: tensorrt.tensorrt.ParserError) → str¶

Returns:	Source file in which the error occurred

func(self: tensorrt.tensorrt.ParserError) → str¶

Returns:	Source function in which the error occurred

line(self: tensorrt.tensorrt.ParserError) → int¶

Returns:	Source line at which the error occurred

node(self: tensorrt.tensorrt.ParserError) → int¶

Returns:	Index of the Onnx model node in which the error occurred

class tensorrt.OnnxPluginFactory(self: tensorrt.tensorrt.OnnxPluginFactory, logger: tensorrt.tensorrt.ILogger) → None¶

This plugin factory handles deserialization of the plugins that are built into the ONNX parser. Engines with legacy plugin layers built using the ONNX parser must use this plugin factory during deserialization.

Parameters:	logger – The logger to use.