code: def import_db(filename=None):
      
      local_machine()
      if not filename:
          filename = settings.DB_DUMP_FILENAME
      with fab_settings(warn_only=True):
          local('pg_restore -O -c -U {0}{1} -d {2} {3}'.format(
              env.db_role, HOST, env.db_name, filename))
docs: Imports the database.
  
      Make sure that you have this in your ``~/.pgpass`` file:
  
      localhost:5433:*:publishizer_publishizer:publishizer
  
      Also make sure that the file has ``chmod 0600 .pgpass``.
  
      Usage::
  
          fab import_db
          fab import_db:filename=foobar.dump