old_contents: """
  Management command to clear specified app's models of data.
  
  .. moduleauthor:: Infoxchange Development Team <development@infoxchange.net.au>
  
  """
  
  from django.core.management.base import BaseCommand
  from django.core.management.color import no_style
  from django.db import connection
  from django.db.models import get_app, get_models
  from south.db import db
  
  # pylint:disable=protected-access
  
  
  class Command(BaseCommand):
      """
      A command to clear app data.
      """
  
      help = ('Cleans the specified applications\' tables to a pristine state.')
  
      def handle(self, *apps, **options):
          verbosity = int(options['verbosity'])
  
          models = []
          for app in apps:
              app_models = [
                  model
                  for model
                  in get_models(get_app(app), include_auto_created=True)
                  if model._meta.managed
              ]
              models += app_models
              if verbosity >= 1:
                  print "Found %d model(s) for %s" % (len(app_models), app)
  
          db.start_transaction()
  
          for model in models:
              if verbosity >= 1:
                  print "Clearing %s table %s" % (model, model._meta.db_table)
              db.clear_table(model._meta.db_table)
              sql = connection.ops.sequence_reset_sql(no_style(), [model])
              for cmd in sql:
                  connection.cursor().execute(cmd)
  
          db.commit_transaction()
  
          if verbosity >= 1:
              print "Cleared %d models" % len(models)
  
new_contents: """
  Management command to clear specified app's models of data.
  
  .. moduleauthor:: Infoxchange Development Team <development@infoxchange.net.au>
  
  """
  
  from django.core.management.base import BaseCommand
  from django.core.management.color import no_style
  from django.db import connection
  from django.db.models import get_app, get_model, get_models
  from south.db import db
  
  # pylint:disable=protected-access
  
  
  class Command(BaseCommand):
      """
      A command to clear app data.
      """
  
      help = ('Cleans the specified applications\' tables to a pristine state.')
  
      def handle(self, *targets, **options):
          verbosity = int(options['verbosity'])
  
          models = []
          for target in targets:
              target = target.split('.')
              if len(target) == 1:
                  app, = target
                  app_models = [
                      model
                      for model
                      in get_models(get_app(app), include_auto_created=True)
                      if model._meta.managed
                  ]
                  models += app_models
                  if verbosity >= 1:
                      print "Found %d model(s) for %s" % (len(app_models), app)
              else:
                  app, model = target
                  models.append(get_model(app, model))
  
          db.start_transaction()
  
          for model in models:
              if verbosity >= 1:
                  print "Clearing %s table %s" % (model, model._meta.db_table)
              db.clear_table(model._meta.db_table)
              sql = connection.ops.sequence_reset_sql(no_style(), [model])
              for cmd in sql:
                  connection.cursor().execute(cmd)
  
          db.commit_transaction()
  
          if verbosity >= 1:
              print "Cleared %d models" % len(models)
  
subject: Clean individual models