initial commit of reset method

openpype/tools/new_publisher/control.py

@@ -1,8 +1,30 @@
 import logging
+import inspect
 import avalon.api
+from openpype.pipeline import BaseCreator
 
 
 class PublisherController:
     def __init__(self):
         self.log = logging.getLogger("PublisherController")
         self.host = avalon.api.registered_host()
+
+        self.creators = []
+        self.publish_plugins = []
+        self.instances = []
+
+    def reset(self):
+        """Reset to initial state."""
+        creators = []
+        for creator in avalon.api.discover(BaseCreator):
+            if inspect.isabstract(creator):
+                self.log.info(
+                    "Skipping abstract Creator {}".format(str(creator))
+                )
+                continue
+            creators.append(creator)
+
+        self.creators = creators
+        self.publish_plugins = []
+
+        self.instances = self.host.list_instances()