old_contents: from django.core.management.base import BaseCommand, CommandError
  from django.db.models import F, Q
  from api import models
  
  def update_account_center_cache(opt={}):
      print '# Update account center'
      accounts = models.Account.objects.filter(center__isnull=False).select_related('center', 'center__card')
      for account in accounts:
          account.center_card_transparent_image = account.center.card.transparent_idolized_image if account.center.idolized or account.center.card.is_special else account.center.card.transparent_image
          account.center_card_round_image = account.center.card.round_card_idolized_image if account.center.idolized or account.center.card.is_special else account.center.card.round_card_image
          account.center_card_attribute = account.center.card.attribute
          account.center_alt_text = unicode(account.center.card)
          account.center_card_id = account.center.card.id
          print 'Account #{} center {}'.format(account, account.center)
          account.save()
  
  class Command(BaseCommand):
      can_import_settings = True
  
      def handle(self, *args, **options):
          update_account_center_cache({})
  
  
new_contents: from django.core.management.base import BaseCommand, CommandError
  from django.db.models import F, Q
  from api import models
  
  def update_account_center_cache(opt={}):
      print '# Update account center'
      accounts = models.Account.objects.filter(center__isnull=False, center_card_id__isnull=True).select_related('center', 'center__card')
      for account in accounts:
          account.center_card_transparent_image = account.center.card.transparent_idolized_image if account.center.idolized or account.center.card.is_special else account.center.card.transparent_image
          account.center_card_round_image = account.center.card.round_card_idolized_image if account.center.idolized or account.center.card.is_special else account.center.card.round_card_image
          account.center_card_attribute = account.center.card.attribute
          account.center_alt_text = unicode(account.center.card)
          account.center_card_id = account.center.card.id
          print 'Account #{} center {}'.format(account, account.center)
          account.save()
  
  class Command(BaseCommand):
      can_import_settings = True
  
      def handle(self, *args, **options):
          update_account_center_cache({})
  
  
subject: Allow to restart the account center cache script without reloading everything