Source code for flwr.compat.common.record.metricrecord

# Copyright 2026 Flower Labs GmbH. All Rights Reserved.
#
# 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
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# ==============================================================================
"""Deprecated MetricRecord compatibility APIs."""

from logging import WARN

from flwr.app.message import MetricRecord
from flwr.app.typing import MetricRecordValues
from flwr.common.logger import log



[docs]
class MetricsRecord(MetricRecord):
    """Deprecated class ``MetricsRecord``, use ``MetricRecord`` instead."""

    _warning_logged = False

    def __init__(
        self,
        metric_dict: dict[str, MetricRecordValues] | None = None,
        keep_input: bool = True,
    ) -> None:
        if not MetricsRecord._warning_logged:
            MetricsRecord._warning_logged = True
            log(
                WARN,
                "The `MetricsRecord` class has been renamed to `MetricRecord`. "
                "Support for `MetricsRecord` will be removed in a future release. "
                "Please update your code accordingly.",
            )
        super().__init__(metric_dict, keep_input)