[Bf-extensions-cvs] [8cbad902] master: Fix T64833: FBX Import fails with long names.

[Bastien Montagne]

Commit: 8cbad902016d3aee763fc100b59d8f50a560df96
Author: Bastien Montagne
Date:   Wed May 29 11:00:06 2019 +0200
Branches: master
https://developer.blender.org/rBA8cbad902016d3aee763fc100b59d8f50a560df96

Fix T64833: FBX Import fails with long names.

Classical stupid issues when trying to shorten an utf8 string to match a
given bytes length... ;)

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

M	io_scene_fbx/__init__.py
M	io_scene_fbx/import_fbx.py

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

diff --git a/io_scene_fbx/__init__.py b/io_scene_fbx/__init__.py
index 818eae23..5d95db6d 100644
--- a/io_scene_fbx/__init__.py
+++ b/io_scene_fbx/__init__.py
@@ -21,7 +21,7 @@
 bl_info = {
     "name": "FBX format",
     "author": "Campbell Barton, Bastien Montagne, Jens Restemeier",
-    "version": (4, 14, 11),
+    "version": (4, 14, 12),
     "blender": (2, 80, 0),
     "location": "File > Import-Export",
     "description": "FBX IO meshes, UV's, vertex colors, materials, textures, cameras, lamps and actions",
diff --git a/io_scene_fbx/import_fbx.py b/io_scene_fbx/import_fbx.py
index 624ea2f7..5957f837 100644
--- a/io_scene_fbx/import_fbx.py
+++ b/io_scene_fbx/import_fbx.py
@@ -70,7 +70,12 @@ def validate_blend_names(name):
     if len(name) > 63:
         import hashlib
         h = hashlib.sha1(name).hexdigest()
-        return name[:55].decode('utf-8', 'replace') + "_" + h[:7]
+        n = 55
+        name_utf8 = name[:n].decode('utf-8', 'replace') + "_" + h[:7]
+        while len(name_utf8.encode()) > 63:
+            n -= 1
+            name_utf8 = name[:n].decode('utf-8', 'replace') + "_" + h[:7]
+        return name_utf8
     else:
         # We use 'replace' even though FBX 'specs' say it should always be utf8, see T53841.
         return name.decode('utf-8', 'replace')