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# -*- coding: utf-8 -*-
# SPDX-FileCopyrightText: 2014-2023 Greenbone AG
#
# SPDX-License-Identifier: AGPL-3.0-or-later
import time
import logging
from ospd.errors import OspdError
logger = logging.getLogger(__name__)
class TimerError(OspdError):
"""Timer errors"""
class Timer:
def __init__(
self,
name: str = None,
text: str = "{}: Elapsed time: {:0.4f} seconds",
logger=logger.debug, # pylint: disable=redefined-outer-name
):
self._start_time = None
self._name = name
self._text = text
self._logger = logger
def __enter__(self):
self.start()
return self
def __exit__(self, exc_type, exc_value, exc_tb):
self.stop()
@staticmethod
def create(name) -> "Timer":
timer = Timer(name)
timer.start()
return timer
def start(self):
"""Start a new timer"""
self._start_time = time.perf_counter()
def stop(self):
if not self._start_time:
raise TimerError('Timer is not running.')
duration = time.perf_counter() - self._start_time
if self._logger:
self._logger(self._text.format(self._name, duration))
return duration
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