Add sub plugin example

extra/psucontrol_subpluginexample.py

@@ -0,0 +1,53 @@
+# coding=utf-8
+from __future__ import absolute_import
+
+__author__ = "Shawn Bruce <[email protected]>"
+__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()