new_contents: # coding=utf-8
  from __future__ import absolute_import
  
  __author__ = "Shawn Bruce <kantlivelong@gmail.com>"
  __license__ = "GNU Affero General Public License http://www.gnu.org/licenses/agpl.html"
  __copyright__ = "Copyright (C) 2021 Shawn Bruce - Released under terms of the AGPLv3 License"
  
  import octoprint.plugin
  
  class PSUControl_SubPluginExample(octoprint.plugin.StartupPlugin):
  
      def __init__(self):
          pass
  
  
      def on_startup(self, host, port):
          psucontrol_helpers = self._plugin_manager.get_helpers("psucontrol")
          if 'register_plugin' not in psucontrol_helpers.keys():
              self._logger.warning("The version of PSUControl that is installed does not support plugin registration.")
              return
  
          self._logger.debug("Registering plugin with PSUControl")
          psucontrol_helpers['register_plugin'](self)
  
  
      def setup(self, *args, **kwargs):
          self.status = False
  
  
      def cleanup(self, *args, **kwargs):
          del self.status
  
  
      def turn_psu_on(self):
          self._logger.info("ON")
          self.status = True
  
  
      def turn_psu_off(self):
          self._logger.info("OFF")
          self.status = False
  
  
      def get_psu_state(self):
          return self.status
  
  
  __plugin_name__ = "PSU Control - Sub Plugin Example"
  __plugin_pythoncompat__ = ">=2.7,<4"
  
  def __plugin_load__():
      global __plugin_implementation__
      __plugin_implementation__ = PSUControl_SubPluginExample()
  
subject: Add sub plugin example