X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/3badd77f743883992829a1174eef7c8d5e851766..e64195821d0f65b6ac9a68684d038164786b1c39:/apps/catalogue/fields.py diff --git a/apps/catalogue/fields.py b/apps/catalogue/fields.py index 390fb0359..5ab78eb03 100644 --- a/apps/catalogue/fields.py +++ b/apps/catalogue/fields.py @@ -2,68 +2,8 @@ # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later. # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. # -import datetime - -from django.conf import settings from django.db import models from django.db.models.fields.files import FieldFile -from django import forms -from django.utils import simplejson as json -from django.utils.translation import ugettext_lazy as _ - - -class JSONEncoder(json.JSONEncoder): - def default(self, obj): - if isinstance(obj, datetime.datetime): - return obj.strftime('%Y-%m-%d %H:%M:%S') - elif isinstance(obj, datetime.date): - return obj.strftime('%Y-%m-%d') - elif isinstance(obj, datetime.time): - return obj.strftime('%H:%M:%S') - return json.JSONEncoder.default(self, obj) - - -def dumps(data): - return JSONEncoder().encode(data) - - -def loads(str): - return json.loads(str, encoding=settings.DEFAULT_CHARSET) - - -class JSONFormField(forms.CharField): - widget = forms.Textarea - - def clean(self, value): - try: - loads(value) - return value - except ValueError, e: - raise forms.ValidationError(_('Enter a valid JSON value. Error: %s') % e) - - -class JSONField(models.TextField): - def formfield(self, **kwargs): - defaults = {'form_class': JSONFormField} - defaults.update(kwargs) - return super(JSONField, self).formfield(**defaults) - - def db_type(self, connection): - return 'text' - - def get_internal_type(self): - return 'TextField' - - def contribute_to_class(self, cls, name): - super(JSONField, self).contribute_to_class(cls, name) - - def get_value(model_instance): - return loads(getattr(model_instance, self.attname, None)) - setattr(cls, 'get_%s_value' % self.name, get_value) - - def set_value(model_instance, json): - return setattr(model_instance, self.attname, dumps(json)) - setattr(cls, 'set_%s_value' % self.name, set_value) class OverwritingFieldFile(FieldFile): @@ -89,7 +29,6 @@ try: # check for south from south.modelsinspector import add_introspection_rules - add_introspection_rules([], ["^catalogue\.fields\.JSONField"]) add_introspection_rules([], ["^catalogue\.fields\.OverwritingFileField"]) except ImportError: pass