use oai: identifiers

[wolnelektury.git] / apps / catalogue / fields.py

diff --git a/apps/catalogue/fields.py b/apps/catalogue/fields.py
index 390fb03..5ab78eb 100644 (file)
--- 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