# 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.
# ============================================================================
"""Enums."""

import enum


class BaseEnum(enum.Enum):
    """Base enum."""
    @classmethod
    def list_members(cls):
        """List all members."""
        return [member.value for member in cls]


class ReasonCode(BaseEnum):
    """Reason code for calculating importance."""
    NOT_ALL_NUMBERS = 1
    SAMPLES_NOT_ENOUGH = 2
    CORRELATION_NAN = 3