old_contents: from optparse import make_option
  from django.conf import settings
  from django.core.management.base import BaseCommand, CommandError
  from telemeta.models import *
  from telemeta.util.unaccent import unaccent
  from telemeta.cache import TelemetaCache
  import logging
  import codecs
  
  class Command(BaseCommand):
      help = "Cleanup DB : multiple analyses, data cache, export cache, etc.."
      args = "cache"
      cache_data = TelemetaCache(settings.TELEMETA_DATA_CACHE_DIR)
      cache_export = TelemetaCache(settings.TELEMETA_EXPORT_CACHE_DIR)
  
      def handle(self, *args, **options):
          items = MediaItem.objects.all()
          a_counter = 0
  
          print 'cleaning multiple analyses per item...'
          for item in items:
              if 'cache' in args::
                  print 'cleaning cache...'
                  self.cache_data.delete_item_data(item.code)
                  self.cache_export.delete_item_data(item.code)
  
              analyses = MediaItemAnalysis.objects.filter(item=item)
              ids = []
              for analysis in analyses:
                  id = analysis.analyzer_id
                  if id in ids:
                      print 'item : ' + item.code + ' analyzer_id : ' + id
                      analysis.delete()
                      a_counter += 1
                  else:
                      ids.append(id)
  
          print "Done, cleaned %s analyses" % str(a_counter)
  
  
  
  
new_contents: from optparse import make_option
  from django.conf import settings
  from django.core.management.base import BaseCommand, CommandError
  from telemeta.models import *
  from telemeta.util.unaccent import unaccent
  from telemeta.cache import TelemetaCache
  import logging
  import codecs
  
  class Command(BaseCommand):
      help = "Cleanup DB : multiple analyses, data cache, export cache, etc.."
      args = "cache"
      cache_data = TelemetaCache(settings.TELEMETA_DATA_CACHE_DIR)
      cache_export = TelemetaCache(settings.TELEMETA_EXPORT_CACHE_DIR)
  
      def handle(self, *args, **options):
          items = MediaItem.objects.all()
          a_counter = 0
  
          print 'cleaning multiple analyses per item...'
          for item in items:
              if 'cache' in args:
                  print 'cleaning cache...'
                  self.cache_data.delete_item_data(item.code)
                  self.cache_export.delete_item_data(item.code)
  
              analyses = MediaItemAnalysis.objects.filter(item=item)
              ids = []
              for analysis in analyses:
                  id = analysis.analyzer_id
                  if id in ids:
                      print 'item : ' + item.code + ' analyzer_id : ' + id
                      analysis.delete()
                      a_counter += 1
                  else:
                      ids.append(id)
  
          print "Done, cleaned %s analyses" % str(a_counter)
  
  
  
  
subject: fix #63 partially