fix [#34682] STL importer ValueError exception

2 files changed, 8 insertions, 11 deletions

diff --git a/io_mesh_stl/blender_utils.py b/io_mesh_stl/blender_utils.py
index 9c3488eb..7b037716 100644
--- a/io_mesh_stl/blender_utils.py
+++ b/io_mesh_stl/blender_utils.py
@@ -38,6 +38,7 @@ def create_and_link_mesh(name, faces, points):
 
     obj = bpy.data.objects.new(name, mesh)
     scene.objects.link(obj)
+    scene.objects.active = 
     obj.select = True
 
 
diff --git a/io_mesh_stl/stl_utils.py b/io_mesh_stl/stl_utils.py
index 1d35acb1..49e8d0f9 100644
--- a/io_mesh_stl/stl_utils.py
+++ b/io_mesh_stl/stl_utils.py
@@ -145,19 +145,15 @@ def _ascii_read(data):
     data.readline()
 
     while True:
-        # strip facet normal // or end
-        data.readline()
-
-        # strip outer loup, in case of ending, break the loop
-        if not data.readline():
+        l = data.readline()
+        if not l:
             break
 
-        yield [tuple(map(float, data.readline().split()[1:]))
-               for _ in range(3)]
-
-        # strip facet normalend and outerloop end
-        data.readline()
-        data.readline()
+        # if we encounter a vertex, read next 2
+        l = l.lstrip()
+        if l.startswith(b'vertex'):
+            yield [tuple(map(float, l_item.split()[1:]))
+                   for l_item in (l, data.readline(), data.readline())]
 
 
 def _binary_write(filename, faces):