Source code for

# -*- coding: utf-8 -*-
# (c) 2015 Tuomas Airaksinen
# This file is part of Automate.
# Automate is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# Automate is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with Automate.  If not, see <>.
# ------------------------------------------------------------------
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from threading import Timer

from traits.api import Any, CBool, CFloat

from automate.service import AbstractUserService

__all__ = ['StatusSaverService']

[docs]class StatusSaverService(AbstractUserService): """ Service which is responsible for scheduling dumping system into file periodically. """ autoload = True #: Dump saving interval, in seconds. Default 30 minutes. dump_interval = CFloat(30 * 60) _exit = CBool(False) _timer = Any(transient=True) def setup(self): if self.system.filename: self.system.on_trait_change(self.exit_save, "pre_exit_trigger") if self.dump_interval: self.save_system_periodically() def save_system_periodically(self): self.logger.debug('Saving system state') self.system.save_state() self._timer = Timer(self.dump_interval, self.save_system_periodically) self._timer.start() def exit_save(self): self.system.save_state() self._exit = True def cleanup(self): if self._timer and self._timer.is_alive(): self._timer.cancel()