guard updating with bool for schema interface nodes

failing to guard the update caused unwanted connections in
versioning, because the nodes were allowed to update
outside of the normal user interaction

base_definitions.py

@@ -280,6 +280,7 @@ class MantisUINode:
             
 class SchemaUINode(MantisUINode):
     mantis_node_library='.schema_containers'
+    is_updating:BoolProperty(default=False)
     @classmethod
     def poll(cls, ntree):
         return (ntree.bl_idname in ['SchemaTree'])

schema_definitions.py

@@ -29,6 +29,7 @@ def TellClasses():
 # - check what happens when these get plugged into each other
 # - probably disallow all or most of these connections in insert_link or update
 
+
 class SchemaIndex(Node, SchemaUINode):
     '''The current index of the schema execution'''
     bl_idname = 'SchemaIndex'
@@ -54,6 +55,9 @@ class SchemaArrayInput(Node, SchemaUINode):
         self.update()
 
     def update(self):
+        if self.is_updating:
+            return
+        self.is_updating = True
         # self.initialized = False
         socket_maps = get_socket_maps(self)
         if socket_maps is None:
@@ -69,6 +73,7 @@ class SchemaArrayInput(Node, SchemaUINode):
         if len(self.inputs)<1 or self.inputs[-1].bl_idname not in ["WildcardSocket"]:
             self.outputs.new('WildcardSocket', '', identifier='__extend__')
         # self.initialized = True
+        self.is_updating = False
 
 class SchemaArrayInputAll(Node, SchemaUINode):
     '''Array Inputs'''
@@ -82,7 +87,10 @@ class SchemaArrayInputAll(Node, SchemaUINode):
         self.update()
 
     def update(self):
-        # self.initialized = False
+        if self.is_updating:
+            return
+        self.is_updating = True
+        self.initialized = False
         socket_maps = get_socket_maps(self)
         if socket_maps is None:
             return
@@ -96,6 +104,8 @@ class SchemaArrayInputAll(Node, SchemaUINode):
             do_relink(self, None, output_map, in_out='OUTPUT', parent_name='Array' )
         if len(self.inputs)<1 or self.inputs[-1].bl_idname not in ["WildcardSocket"]:
             self.outputs.new('WildcardSocket', '', identifier='__extend__')
+        self.initialized = True
+        self.is_updating = False
 
 class SchemaArrayInputGet(Node, SchemaUINode):
     '''Array Inputs'''
@@ -111,7 +121,10 @@ class SchemaArrayInputGet(Node, SchemaUINode):
         self.update()
 
     def update(self):
-        # self.initialized = False
+        if self.is_updating:
+            return
+        self.is_updating = True
+        self.initialized = False
         socket_maps = get_socket_maps(self)
         if socket_maps is None:
             return
@@ -125,7 +138,8 @@ class SchemaArrayInputGet(Node, SchemaUINode):
             do_relink(self, None, output_map, in_out='OUTPUT', parent_name='Array' )
         if len(self.inputs)<1 or self.inputs[-1].bl_idname not in ["WildcardSocket"]:
             self.outputs.new('WildcardSocket', '', identifier='__extend__')
-        # self.initialized = True
+        self.initialized = True
+        self.is_updating = False
 
 class SchemaArrayOutput(Node, SchemaUINode):
     '''Array Inputs'''
@@ -139,6 +153,9 @@ class SchemaArrayOutput(Node, SchemaUINode):
         self.update()
 
     def update(self):
+        if self.is_updating:
+            return
+        self.is_updating = True
         self.initialized = False
         socket_maps = get_socket_maps(self)
         if socket_maps is None:
@@ -156,6 +173,7 @@ class SchemaArrayOutput(Node, SchemaUINode):
         for s in self.outputs:
             s.input= True
         self.initialized = True
+        self.is_updating = False
 
 class SchemaConstInput(Node, SchemaUINode):
     '''Constant Inputs'''
@@ -169,6 +187,9 @@ class SchemaConstInput(Node, SchemaUINode):
         self.update()
 
     def update(self):
+        if self.is_updating:
+            return
+        self.is_updating = True
         self.initialized = False
         socket_maps = get_socket_maps(self)
         if socket_maps is None:
@@ -184,6 +205,7 @@ class SchemaConstInput(Node, SchemaUINode):
         if len(self.inputs)<1 or self.inputs[-1].bl_idname not in ["WildcardSocket"]:
             self.outputs.new('WildcardSocket', '', identifier='__extend__')
         self.initialized = True
+        self.is_updating = False
 
 
 
@@ -199,6 +221,9 @@ class SchemaConstOutput(Node, SchemaUINode):
         self.update()
 
     def update(self):
+        if self.is_updating:
+            return
+        self.is_updating = True
         self.initialized = False
         socket_maps = get_socket_maps(self)
         if socket_maps is None:
@@ -219,6 +244,7 @@ class SchemaConstOutput(Node, SchemaUINode):
             s.input= True
         
         self.initialized = True
+        self.is_updating = False
 
 
 
@@ -234,6 +260,9 @@ class SchemaOutgoingConnection(Node, SchemaUINode):
         self.update()
 
     def update(self):
+        if self.is_updating:
+            return
+        self.is_updating = True
         self.initialized = False
         socket_maps = get_socket_maps(self)
         if socket_maps is None:
@@ -251,6 +280,7 @@ class SchemaOutgoingConnection(Node, SchemaUINode):
         for s in self.outputs:
             s.input= True
         self.initialized = True
+        self.is_updating = False
 
 
 
@@ -266,6 +296,9 @@ class SchemaIncomingConnection(Node, SchemaUINode):
         self.update()
 
     def update(self):
+        if self.is_updating:
+            return
+        self.is_updating = True
         self.initialized = False
         socket_maps = get_socket_maps(self)
         if socket_maps is None:
@@ -281,6 +314,7 @@ class SchemaIncomingConnection(Node, SchemaUINode):
         if len(self.inputs)<1 or self.inputs[-1].bl_idname not in ["WildcardSocket"]:
             self.outputs.new('WildcardSocket', '', identifier='__extend__')
         self.initialized = True
+        self.is_updating = False
 
 
 for cls in TellClasses():