Implemented Blender Scene file type

openpype/hosts/blender/plugins/create/create_blender_scene.py

@@ -0,0 +1,37 @@
+import bpy
+
+from openpype.pipeline import legacy_io
+from openpype.hosts.blender.api import plugin, lib, ops
+from openpype.hosts.blender.api.pipeline import AVALON_INSTANCES
+
+
+class CreateBlenderScene(plugin.Creator):
+    """Raw Blender Scene file export"""
+
+    name = "blenderScene"
+    label = "Blender Scene"
+    family = "blenderScene"
+    icon = "file-archive-o"
+
+    def process(self):
+        """ Run the creator on Blender main thread"""
+        mti = ops.MainThreadItem(self._process)
+        ops.execute_in_main_thread(mti)
+
+    def _process(self):
+        # Get Instance Container or create it if it does not exist
+        instances = bpy.data.collections.get(AVALON_INSTANCES)
+        if not instances:
+            instances = bpy.data.collections.new(name=AVALON_INSTANCES)
+            bpy.context.scene.collection.children.link(instances)
+
+        asset = self.data["asset"]
+        subset = self.data["subset"]
+        name = plugin.asset_name(asset, subset)
+
+        asset_group = bpy.data.collections.new(name=name)
+        instances.children.link(asset_group)
+        self.data['task'] = legacy_io.Session.get('AVALON_TASK')
+        lib.imprint(asset_group, self.data)
+
+        return asset_group