Merge pull request #4957 from nortikin/fix_4956_some_errors_in_consol…

…e_on_close_Blender

fix #4956 Some errors in console on close Blender (std.err)

nodes/viz/geo_nodes_viewer.py

@@ -290,5 +290,5 @@ def register():
 
 
 def unregister():
-    for cls in classes:
+    for cls in reversed(classes):
         bpy.utils.unregister_class(cls)

ui/nodes_replacement.py

@@ -144,5 +144,5 @@ def register():
 
 
 def unregister():
-    for cls in classes:
+    for cls in reversed(classes):
         bpy.utils.unregister_class(cls)

ui/nodeview_space_menu.py

@@ -698,9 +698,11 @@ def register():
 
 def unregister():
     add_node_menu.unregister()
-    for class_name in classes:
+    for class_name in reversed(classes):
         bpy.utils.unregister_class(class_name)
-    for category in presets.get_category_names():
+    for category in reversed(presets.get_category_names()):
         if category in preset_category_menus:
             bpy.utils.unregister_class(preset_category_menus[category])
+            # call of unregister not only on close Blender. So it is important to remove this category:
+            del preset_category_menus[category]
     bpy.types.NODE_MT_add.remove(sv_draw_menu)

ui/presets.py

@@ -1033,6 +1033,8 @@ def unregister():
     for clazz in reversed(classes):
         bpy.utils.unregister_class(clazz)
 
-    for category, name in preset_add_operators:
+    for category, name in reversed(preset_add_operators):
         bpy.utils.unregister_class(preset_add_operators[(category, name)])
 
+    # call of unregister not only on close Blender. So it is important to clear:
+    preset_add_operators.clear()

ui/sv_extra_search.py

@@ -244,5 +244,5 @@ def register():
 
 
 def unregister():
-    for class_name in classes:
+    for class_name in reversed(classes):
         bpy.utils.unregister_class(class_name)

ui/sv_panel_display_nodes.py

@@ -562,7 +562,7 @@ def register():
 def unregister():
     del bpy.types.NodeTree.displayNodesProps
 
-    for cls in classes:
+    for cls in reversed(classes):
         bpy.utils.unregister_class(cls)
 
 

ui/text_editor_submenu.py

@@ -83,5 +83,5 @@ def register():
 
 def unregister():
     bpy.types.TEXT_MT_templates.remove(menu_draw)
-    for cls in classes:
+    for cls in reversed(classes):
         bpy.utils.unregister_class(cls)

utils/sv_update_utils.py

@@ -262,6 +262,6 @@ def register():
     bpy.utils.register_class(SvPrintCommits)
 
 def unregister():
-    bpy.utils.unregister_class(SverchokCheckForUpgradesSHA)
-    bpy.utils.unregister_class(SverchokUpdateAddon)
     bpy.utils.unregister_class(SvPrintCommits)
+    bpy.utils.unregister_class(SverchokUpdateAddon)
+    bpy.utils.unregister_class(SverchokCheckForUpgradesSHA)