- kfet_config gives "reduction_cof" as editable instead of "subvention_cof" - this last one can still be accessed via kfet_config (computed from new "reduction_cof" - add units to numeric values of kfet_config form
72 lines
2 KiB
Python
72 lines
2 KiB
Python
# -*- coding: utf-8 -*-
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from django.core.exceptions import ValidationError
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from django.db import models
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from djconfig import config
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class KFetConfig(object):
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"""kfet app configuration.
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Enhance isolation with backend used to store config.
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Usable after DjConfig middleware was called.
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"""
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prefix = 'kfet_'
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def __getattr__(self, key):
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if key == 'subvention_cof':
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# Allows accessing to the reduction as a subvention
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# Other reason: backward compatibility
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reduction_mult = 1 - self.reduction_cof/100
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return (1/reduction_mult - 1) * 100
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return getattr(config, self._get_dj_key(key))
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def list(self):
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"""Get list of kfet app configuration.
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Returns:
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(key, value) for each configuration entry as list.
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"""
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# prevent circular imports
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from kfet.forms import KFetConfigForm
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return [(field.label, getattr(config, name), )
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for name, field in KFetConfigForm.base_fields.items()]
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def _get_dj_key(self, key):
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return '{}{}'.format(self.prefix, key)
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def set(self, **kwargs):
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"""Update configuration value(s).
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Args:
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**kwargs: Keyword arguments. Keys must be in kfet config.
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Config entries are updated to given values.
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"""
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# prevent circular imports
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from kfet.forms import KFetConfigForm
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# get old config
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new_cfg = KFetConfigForm().initial
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# update to new config
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for key, value in kwargs.items():
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dj_key = self._get_dj_key(key)
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if isinstance(value, models.Model):
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new_cfg[dj_key] = value.pk
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else:
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new_cfg[dj_key] = value
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# save new config
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cfg_form = KFetConfigForm(new_cfg)
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if cfg_form.is_valid():
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cfg_form.save()
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else:
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raise ValidationError(
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'Invalid values in kfet_config.set: %(fields)s',
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params={'fields': list(cfg_form.errors)})
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kfet_config = KFetConfig()
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