new_contents: from datetime import timedelta
  from optparse import make_option
  
  from django.core.management.base import BaseCommand
  from django.db.models import Count
  
  from democracy.models import SectionComment
  
  
  class Command(BaseCommand):
      option_list = BaseCommand.option_list + (
          make_option("--yes-i-know-what-im-doing", dest="nothing_can_go_wrong", action="store_true"),
      )
  
      def _remove_dupes(self, klass):
          potential_dupes = klass.objects.values('content',).exclude(content='')\
              .exclude(deleted=True).annotate(Count('content'))\
              .filter(content__count__gt=1).order_by('-content__count')
  
          for d in potential_dupes:
              objs = list(klass.objects.filter(content=d['content']).order_by('created_at'))
              first = objs.pop(0)
              print("%s\n%s" % (first.created_at, first.content))
              for other in objs:
                  if other.created_at - first.created_at > timedelta(hours=1):
                      print("\ttoo late %s" % (other.created_at - first.created_at))
                      continue
                  if getattr(other, klass.parent_field) != getattr(first, klass.parent_field):
                      print("\tdifferent parent %s" % other)
                      continue
                  if other.plugin_data != first.plugin_data:
                      print("\tplugin data differs %s" % other)
                      continue
                  print("\tbye bye %s" % other)
                  other.soft_delete()
  
      def handle(self, *args, **options):
          if not options.pop("nothing_can_go_wrong", False):
              raise Exception("You don't know what you're doing.")
  
          self._remove_dupes(SectionComment)
  
subject: Implement management command for removing duplicate comments