# 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.
from contextlib2 import contextmanager

from superset.utils.dates import now_as_float


@contextmanager
def stats_timing(stats_key, stats_logger):
    """Provide a transactional scope around a series of operations."""
    start_ts = now_as_float()
    try:
        yield start_ts
    except Exception as e:
        raise e
    finally:
        stats_logger.timing(stats_key, now_as_float() - start_ts)