old_contents: from django.contrib import admin
  from django.utils.translation import ugettext_lazy as _
  
  from shortwave.models import Wave, Command
  
  
  class CommandInline(admin.TabularInline):
      extra = 3
      model = Command
  
  
  class WaveAdmin(admin.ModelAdmin):
      inlines = (CommandInline, )
      list_display = ('user', 'command_count', 'kill_defaults')
      list_filter = ('kill_defaults', )
      raw_id_fields = ('user', )
      search_fields = ('user__username', )
  
      def command_count(self, obj):
          return obj.commands.count()
      command_count.short_description = _(u'No. of commands')
  
  
  class CommandAdmin(admin.ModelAdmin):
      list_display = ('trigger', 'description', 'wave')
      list_display_links = ('trigger', 'description')
      raw_id_fields = ('wave', )
      search_fields = ('description', 'url', 'wave__user__username')
  
  
  admin.site.register(Wave, WaveAdmin)
  admin.site.register(Command, CommandAdmin)
  
new_contents: from django.contrib import admin
  from django.utils.translation import ugettext_lazy as _
  
  from shortwave.models import Wave, Command
  
  
  # Inlines.
  
  class CommandInline(admin.TabularInline):
      extra = 3
      model = Command
  
  
  # Admins.
  
  class WaveAdmin(admin.ModelAdmin):
      inlines = (CommandInline, )
      list_display = ('user', 'command_count', 'kill_defaults')
      list_filter = ('kill_defaults', )
      raw_id_fields = ('user', )
      search_fields = ('user__username', )
  
      def command_count(self, obj):
          return obj.commands.count()
      command_count.short_description = _(u'No. of commands')
  
  
  class CommandAdmin(admin.ModelAdmin):
      list_display = ('trigger', 'description', 'wave')
      list_display_links = ('trigger', 'description')
      raw_id_fields = ('wave', )
      search_fields = ('description', 'url', 'wave__user__username')
  
  
  admin.site.register(Wave, WaveAdmin)
  admin.site.register(Command, CommandAdmin)
  
subject: Add some comment way-finders to admin.py.