Add config properties

piscope/model/model.py

@@ -17,7 +17,6 @@ class DataModel:
 
     @data.setter
     def data(self, value):
-        print('setting data')
         self._data = value
 
     @property
@@ -28,6 +27,18 @@ class DataModel:
     def config(self, value):
         self._config = value
 
+    @property
+    def server(self):
+        return self.config['setup']['server']
+
+    @property
+    def tree(self):
+        return self.config['setup']['tree']
+
+    @property
+    def mdsplus_event_name(self):
+        return self.config['setup']['event']
+
     def subscribe_update_func(self, fn, registry='data'):
         current_registry = self.update_registry[registry]
         if fn not in current_registry: