Source code for mxnet.contrib.onnx.onnx2mx.import_to_gluon
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
# coding: utf-8
"""Import ONNX model to gluon interface"""
# pylint: disable=no-member
from .import_onnx import GraphProto
[docs]def import_to_gluon(model_file, ctx):
"""
Imports the ONNX model files, passed as a parameter, into Gluon SymbolBlock object.
Parameters
----------
model_file : str
ONNX model file name
ctx : Context or list of Context
Loads the model into one or many context(s).
Returns
-------
sym_block : :class:`~mxnet.gluon.SymbolBlock`
A SymbolBlock object representing the given model file.
Notes
-----
This method is available when you ``import mxnet.contrib.onnx``
"""
graph = GraphProto()
try:
import onnx
except ImportError:
raise ImportError("Onnx and protobuf need to be installed. Instructions to"
+ " install - https://github.com/onnx/onnx#installation")
model_proto = onnx.load_model(model_file)
net = graph.graph_to_gluon(model_proto.graph, ctx)
return net