[Bf-blender-cvs] [3d92afca7eb] blender2.8: Fix tool-system popup and tips w/ empty keymap

[Campbell Barton]

Commit: 3d92afca7eb1f9c99fa0616dfbb6c264e7002f80
Author: Campbell Barton
Date:   Mon Nov 19 11:56:22 2018 +1100
Branches: blender2.8
https://developer.blender.org/rB3d92afca7eb1f9c99fa0616dfbb6c264e7002f80

Fix tool-system popup and tips w/ empty keymap

That this looks like an issue loading keymaps correctly,
needs to be investigated.

===================================================================

M	release/scripts/startup/bl_ui/space_toolsystem_common.py

===================================================================

diff --git a/release/scripts/startup/bl_ui/space_toolsystem_common.py b/release/scripts/startup/bl_ui/space_toolsystem_common.py
index 24195dcf4dc..5eb34810011 100644
--- a/release/scripts/startup/bl_ui/space_toolsystem_common.py
+++ b/release/scripts/startup/bl_ui/space_toolsystem_common.py
@@ -688,7 +688,8 @@ def description_from_name(context, space_type, text, *, use_operator=True):
 
         if operator is None:
             if item.keymap is not None:
-                operator = item.keymap[0].keymap_items[0].idname
+                if item.keymap[0].keymap_items:
+                    operator = item.keymap[0].keymap_items[0].idname
 
         if operator is not None:
             import _bpy
@@ -880,12 +881,16 @@ def keymap_from_context(context, space_type):
                     context='INVOKE_REGION_WIN',
                 )[1]
             elif item.keymap is not None:
-                kmi_first = item.keymap[0].keymap_items[0]
-                kmi_found = wm.keyconfigs.find_item_from_operator(
-                    idname=kmi_first.idname,
-                    # properties=kmi_first.properties,  # prevents matches, don't use.
-                    context='INVOKE_REGION_WIN',
-                )[1]
+                kmi_first = item.keymap[0].keymap_items
+                kmi_first = kmi_first[0] if kmi_first else None
+                if kmi_first is not None:
+                    kmi_found = wm.keyconfigs.find_item_from_operator(
+                        idname=kmi_first.idname,
+                        # properties=kmi_first.properties,  # prevents matches, don't use.
+                        context='INVOKE_REGION_WIN',
+                    )[1]
+                else:
+                    kmi_found = None
                 del kmi_first
             else:
                 kmi_found = None