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78 lines
2.8 KiB
Python
78 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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from django.core.exceptions import ValidationError
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from django.core.management import BaseCommand, CommandError
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from django.utils.translation import gettext as _
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from django import VERSION
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from ... import config
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from ...admin import ConstanceForm, get_values
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def _set_constance_value(key, value):
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"""
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Parses and sets a Constance value from a string
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:param key:
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:param value:
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:return:
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"""
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form = ConstanceForm(initial=get_values())
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field = form.fields[key]
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clean_value = field.clean(field.to_python(value))
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setattr(config, key, clean_value)
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class Command(BaseCommand):
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help = _('Get/Set In-database config settings handled by Constance')
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def add_arguments(self, parser):
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subparsers = parser.add_subparsers(dest='command')
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# API changed in Django>=2.1. cmd argument was removed.
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parser_list = self._subparsers_add_parser(subparsers, 'list', cmd=self, help='list all Constance keys and their values')
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parser_get = self._subparsers_add_parser(subparsers, 'get', cmd=self, help='get the value of a Constance key')
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parser_get.add_argument('key', help='name of the key to get', metavar='KEY')
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parser_set = self._subparsers_add_parser(subparsers, 'set', cmd=self, help='set the value of a Constance key')
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parser_set.add_argument('key', help='name of the key to get', metavar='KEY')
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# use nargs='+' so that we pass a list to MultiValueField (eg SplitDateTimeField)
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parser_set.add_argument('value', help='value to set', metavar='VALUE', nargs='+')
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def _subparsers_add_parser(self, subparsers, name, **kwargs):
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# API in Django >= 2.1 changed and removed cmd parameter from add_parser
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if VERSION >= (2, 1) and 'cmd' in kwargs:
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kwargs.pop('cmd')
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return subparsers.add_parser(name, **kwargs)
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def handle(self, command, key=None, value=None, *args, **options):
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if command == 'get':
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try:
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self.stdout.write("{}".format(getattr(config, key)), ending="\n")
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except AttributeError as e:
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raise CommandError(key + " is not defined in settings.CONSTANCE_CONFIG")
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elif command == 'set':
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try:
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if len(value) == 1:
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# assume that if a single argument was passed, the field doesn't expect a list
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value = value[0]
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_set_constance_value(key, value)
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except KeyError as e:
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raise CommandError(key + " is not defined in settings.CONSTANCE_CONFIG")
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except ValidationError as e:
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raise CommandError(", ".join(e))
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elif command == 'list':
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for k, v in get_values().items():
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self.stdout.write("{}\t{}".format(k, v), ending="\n")
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