class ASTURIASTOOLS_OT_create_collections(Operator):
    ''' Create and name groups from selected objects '''
    bl_idname = "asturiastools.create_collections"
    bl_label = "Create groups"
    bl_options = {'REGISTER'}

    @classmethod
    def poll(cls, context):
        return context.selected_objects

    def execute(self, context):
        D = bpy.data
        active = context.active_object
        selection = context.selected_objects
        bpy.ops.object.select_all(action="DESELECT")

        for obj in selection:
            if D.collections.find(obj.name) != -1:
                continue

            context.view_layer.objects.active = obj
            obj.select_set(True)
            bpy.ops.object.move_to_collection(collection_index=0,
                                              is_new=True,
                                              new_collection_name=obj.name)
            obj.select_set(False)

        for obj in selection:
            obj.select_set(True)

        context.view_layer.objects.active = active

        return {'FINISHED'}