platform/mellanox/mlnx-platform-api/sonic_platform/platform.py

#
# Copyright (c) 2019-2021 NVIDIA CORPORATION & AFFILIATES.
# Apache-2.0
#
# 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.
#
#############################################################################
# Mellanox
#
# implementation of new platform api
#############################################################################

try:
    from sonic_platform_base.platform_base import PlatformBase
    from .chassis import Chassis, ModularChassis
    from .device_data import DeviceDataManager
except ImportError as e:
    raise ImportError(str(e) + "- required module not found")

class Platform(PlatformBase):
    def __init__(self):
        PlatformBase.__init__(self)
        if DeviceDataManager.get_linecard_count() == 0:
            self._chassis = Chassis()
        else:
            self._chassis = ModularChassis()