41 lines
1.5 KiB
Python
41 lines
1.5 KiB
Python
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# Safe Eyes is a utility to remind you to take break frequently
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# to protect your eyes from eye strain.
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# Copyright (C) 2017 Gobinath
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import datetime
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from safeeyes import utility
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def _get_next_reset_time(current_time, statistics_reset_cron):
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import croniter
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try:
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cron = croniter.croniter(statistics_reset_cron, current_time)
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return cron.get_next(datetime.datetime)
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except:
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# Error in getting the next reset time
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return None
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def validate(plugin_config, plugin_settings):
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if not utility.module_exist("croniter"):
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return _("Please install the Python module '%s'") % "croniter"
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# Validate the cron expression
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statistics_reset_cron = plugin_settings.get('statistics_reset_cron', '0 0 * * *')
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if _get_next_reset_time(datetime.datetime.now(), statistics_reset_cron) is None:
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return _("Invalid cron expression '%s'") % statistics_reset_cron
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else:
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return None
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