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252 lines
7.9 KiB
252 lines
7.9 KiB
# -*- coding: utf-8 -*-
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import copy
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import datetime
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import random
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import string
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from bitfield import BitField
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from conference.models import Conference
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from django.db import IntegrityError, models
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from django.db.models.signals import post_save, pre_save
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from django.utils import translation
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from django.utils.translation import ugettext as _
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from exposition.models import Exposition
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from functions.form_check import translit_with_separator
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from functions.models_methods import ExpoManager
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from functions.signal_handlers import post_save_handler
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from hvad.models import TranslatableModel, TranslatedFields, TranslationManager
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from manager import TagActiveManager, ThemeActiveManager
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from seminar.models import Seminar
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from webinar.models import Webinar
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class Theme(TranslatableModel):
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"""
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Create Theme model
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Uses hvad.TranslatableModel which is child of django.db.models class
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"""
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#set manager of this model
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catalog_name = _(u'Тематики:')
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search_name = 'th'
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objects = ExpoManager()
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active = ThemeActiveManager()
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FLAGS = (
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('exposition', _(u'Выставка')),
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('conference', _(u'Конференция')),
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('seminar', _(u'Семинар')),
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('webinar', _(u'Вебинар')),
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('article', _(u'Статья')),
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)
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url = models.SlugField(unique=True, max_length=255)
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old_url = models.SlugField(unique=True, max_length=255)
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types = BitField([k for k, v in FLAGS])
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#translated fields
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translations = TranslatedFields(
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name = models.CharField(max_length=255),
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main_title = models.CharField(max_length=255),
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description = models.TextField(blank=True),
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#-----meta data
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title = models.CharField(max_length=255, blank=True),
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descriptions = models.CharField(max_length=255, blank=True),
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keywords = models.CharField(max_length=255, blank=True),
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)
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main_page = models.PositiveIntegerField(default=0, db_index=True)
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inflect = models.CharField(max_length=255, blank=True)
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def __unicode__(self):
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return self.lazy_translation_getter('name', unicode(self.pk))
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def expositions_number(self):
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return Exposition.enable.upcoming().filter(theme__id=self.id).count()
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def conferences_number(self):
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return Conference.enable.upcoming().filter(theme__id=self.id).count()
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def seminars_number(self):
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return Seminar.objects.filter(theme__id=self.id).count()
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def webinars_number(self):
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return Webinar.objects.filter(theme__id=self.id).count()
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def events_number(self):
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return self.expositions_number() + self.conferences_number() + self.seminars_number() + self.webinars_number()
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def get_sub_categories(self):
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objects = [{'text':item.name, 'id':item.id, 'name':'tg', 'sub':False} for item in Tag.active.all().filter(theme=self)]
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return objects
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def get_all_names(self):
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return [item['name'] for item in self.translations.all().values('name')]
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def get_index_text(self):
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translation.activate('ru')
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return ' '.join(self.get_all_names())
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def expo_count(self):
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return Exposition.objects.filter(is_published=True, data_end__gte=datetime.datetime.now().date(), theme=self).count()
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def conference_count(self):
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return Conference.objects.filter(is_published=True, data_end__gte=datetime.datetime.now().date(), theme=self).count()
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'''
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def clone(self):
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"""
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Return an identical copy of the instance with a new ID.
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"""
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if not self.pk:
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raise ValueError('Instance must be saved before it can be cloned.')
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duplicate = copy.copy(self)
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ignore_fields = ['id', 'master', 'language_code']
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# Setting pk to None. Django thinking this is a new object.
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duplicate.pk = None
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duplicate.translate('ru')
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tr = self._meta.translations_model.objects.get(language_code = 'ru',master__id=self.pk)
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for field in duplicate._translated_field_names:
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if field in ignore_fields:
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continue
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setattr(duplicate, field, getattr(tr, field))
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duplicate.save()
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'''
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def generate_search_class(self):
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result = ''
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for item, bool in self.types:
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if bool == True:
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if item == 'exposition':
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result += ' exhb'
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elif item == 'conference':
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result += ' conf'
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elif item == 'seminar':
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result += ' smnr'
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elif item == 'webinar':
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result += ' webn'
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return result
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def get_parent(self):
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parent = {}
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return parent
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class Tag(TranslatableModel):
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"""
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Create Tag model
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Uses hvad.TranslatableModel which is child of django.db.models class
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"""
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catalog_name = _(u'Теги:')
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search_name = 'tg'
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#set manager of this model
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objects = ExpoManager()
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active = TagActiveManager()
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url = models.SlugField(unique=True, max_length=255)
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old_url = models.SlugField(unique=True, max_length=255)
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theme = models.ForeignKey(Theme, on_delete=models.PROTECT, related_name='tags')
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#translated fields
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translations = TranslatedFields(
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name = models.CharField(max_length=100),
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main_title = models.CharField(max_length=100),
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description = models.TextField(blank=True),
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#-----meta data
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title = models.CharField(max_length=250, blank=True),
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descriptions = models.CharField(max_length=250, blank=True),
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keywords = models.CharField(max_length=250, blank=True),
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)
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inflect = models.CharField(max_length=255, blank=True)
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#fields saves information about creating and changing model
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#created = models.DateTimeField(auto_now_add=True)
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#modified = models.DateTimeField(auto_now=True)
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def save(self, *args, **kwargs):
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try:
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super(Tag, self).save(*args, **kwargs)
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except IntegrityError:
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theme = self.theme
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self.url = '%s_%s'%(theme.url, self.url)
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super(Tag, self).save(*args, **kwargs)
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def __unicode__(self):
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return self.lazy_translation_getter('name', unicode(self.pk))
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def get_sub_categories(self):
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return []
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def get_all_names(self):
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return [item['name'] for item in self.translations.all().values('name')]
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def get_index_text(self):
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translation.activate('ru')
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return ' '.join(self.get_all_names())
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def clone(self):
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"""
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Return an identical copy of the instance with a new ID.
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"""
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if not self.pk:
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raise ValueError('Instance must be saved before it can be cloned.')
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duplicate = copy.copy(self)
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ignore_fields = ['id', 'master', 'language_code']
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# Setting pk to None. Django thinking this is a new object.
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duplicate.pk = None
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duplicate.translate('ru')
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tr = self._meta.translations_model.objects.get(language_code = 'ru',master__id=self.pk)
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for field in duplicate._translated_field_names:
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if field in ignore_fields:
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continue
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setattr(duplicate, field, getattr(tr, field))
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duplicate.save()
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return duplicate
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def get_parent(self):
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parent = {'text' : self.theme.name, 'id': self.theme.id, 'name': 'th'}
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return parent
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def pre_save_handler(sender, **kwargs):
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obj = kwargs['instance']
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if obj.language_code =='en':
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try:
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name = getattr(obj, 'name')
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obj.url = translit_with_separator(name)
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except AttributeError:
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pass
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tags = Tag.objects.filter(url=obj.url).exclude(id=obj.id)
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if tags:
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obj.url = obj.theme.url+'-'+ obj.url
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if not obj.url:
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obj.url = ''.join([random.choice(string.ascii_lowercase) for n in xrange(8)])
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pre_save.connect(pre_save_handler, sender=Tag)
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post_save.connect(post_save_handler, sender=Theme)
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post_save.connect(post_save_handler, sender=Tag)
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#-----------------------
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