# Copyright 2020 Huawei Technologies Co., Ltd
#
# Licensed 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.
# ============================================================================
"""
Description: This file is used for some common util.
"""
import os

from mindinsight.debugger.proto import ms_graph_pb2
from mindinsight.debugger.stream_handler.graph_handler import GraphHandler


graph_proto_file = os.path.join(
    os.path.dirname(__file__), '../../../utils/resource/graph_pb/lenet.pb'
)


def init_graph_handler():
    """Init graph proto."""
    with open(graph_proto_file, 'rb') as f:
        content = f.read()

    graph = ms_graph_pb2.GraphProto()
    graph.ParseFromString(content)

    graph_handler = GraphHandler()
    graph_handler.put(graph)

    return graph_handler
