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https://github.com/freedombox/FreedomBox.git
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68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
#
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# This file is part of Plinth.
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#
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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 Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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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 Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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"""
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Forms for configuring date and time
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"""
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from django import forms
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from django.utils.translation import ugettext_lazy as _
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import logging
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import subprocess
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from plinth.forms import ServiceForm
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logger = logging.getLogger(__name__)
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class DateTimeForm(ServiceForm):
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"""Date/time configuration form."""
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time_zone = forms.ChoiceField(
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label=_('Time Zone'),
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help_text=_('Set your time zone to get accurate timestamps. '
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'This will set the system-wide time zone.'))
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def __init__(self, *args, **kwargs):
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"""Initialize the date/time form."""
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forms.Form.__init__(self, *args, **kwargs)
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time_zone_options = [(zone, zone)
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for zone in self.get_time_zones()]
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# Show not-set option only when time zone is not set
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current_time_zone = self.initial.get('time_zone')
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if current_time_zone == 'none':
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time_zone_options.insert(0, ('none', _('-- no time zone set --')))
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elif (current_time_zone, current_time_zone) not in time_zone_options:
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time_zone_options.insert(0, (current_time_zone, current_time_zone))
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self.fields['time_zone'].choices = time_zone_options
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@staticmethod
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def get_time_zones():
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"""Return the list time zones."""
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command = ['timedatectl', 'list-timezones']
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try:
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process = subprocess.run(command, stdout=subprocess.PIPE,
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check=True)
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except subprocess.CalledProcessError as exception:
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logger.exception('Error getting time zones: %s', exception)
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return []
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output = process.stdout.decode()
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return output.splitlines()
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