keep only first mesh per file for streaming sequences (#147)

src/__init__.py

@@ -25,7 +25,7 @@
     "name": "Stop motion OBJ",
     "description": "Import a sequence of OBJ (or STL or PLY or X3D) files and display them each as a single frame of animation. This add-on also supports the .STL, .PLY, and .X3D file formats.",
     "author": "Justin Jensen",
-    "version": (2, 2, 0, "alpha.12"),
+    "version": (2, 2, 0, "alpha.13"),
     "blender": (2, 83, 0),
     "location": "File > Import > Mesh Sequence",
     "warning": "",

src/stop_motion_obj.py

@@ -806,15 +806,20 @@ def importStreamedFile(obj, idx):
     mss.fileImporter.load(mss.fileFormat, filename)
     lockLoadingSequence(False)
 
-    tmpObject = getSelectedObjects()[0]
+    selectedObjects = getSelectedObjects()
+    tmpObject = next(filter(lambda meshObj: meshObj.type == 'MESH', selectedObjects), None)
     tmpMesh = tmpObject.data
 
+    # make a list of the objects we're going to delete
+    objsToDelete = selectedObjects.copy()
+
+    # now delete all selected objects
+    for obj in objsToDelete:
+        bpy.data.objects.remove(obj, do_unlink=True)
+
     # we want to make sure the cached meshes are saved to the .blend file
     tmpMesh.use_fake_user = True
     tmpMesh.inMeshSequence = True
-    deselectAll()
-    tmpObject.select_set(state=True)
-    bpy.data.objects.remove(tmpObject)
     mss.meshNameArray[idx].key = tmpMesh.name
     mss.meshNameArray[idx].inMemory = True
     mss.numMeshesInMemory += 1

src/version.py

@@ -2,5 +2,5 @@
 # (major, minor, revision, development)
 # example dev version: (1, 2, 3, "beta.4")
 # example release version: (2, 3, 4)
-currentScriptVersion = (2, 2, 0, "alpha.12")
+currentScriptVersion = (2, 2, 0, "alpha.13")
 legacyScriptVersion = (2, 0, 2, "legacy")