flame: adding batch utils

for creating batch in desktop

openpype/hosts/flame/api/batch_utils.py

@@ -0,0 +1,37 @@
+import flame
+
+
+def create_batch(name, frame_start, frame_end, **kwargs):
+    schematicReels = ['LoadedReel1']
+    shelfReels = ['ShelfReel1']
+
+    handle_start = kwargs.get("handleStart")
+    handle_end = kwargs.get("handleEnd")
+
+    if handle_start:
+        frame_start -= handle_start
+    if handle_end:
+        frame_end += handle_end
+
+    # Create batch group with name, start_frame value, duration value,
+    # set of schematic reel names, set of shelf reel names
+    flame.batch.create_batch_group(
+        name,
+        start_frame=frame_start,
+        duration=frame_end,
+        reels=schematicReels,
+        shelf_reels=shelfReels
+    )
+
+    if kwargs.get("switch_batch_tab"):
+        # use this command to switch to the batch tab
+        flame.batch.go_to()
+
+    comp = flame.batch.create_node("Comp")
+    writeFile = flame.batch.create_node("Write File")
+
+    # connect nodes
+    flame.batch.connect_nodes(comp, "Result", writeFile, "Front")
+
+    # sort batch nodes
+    flame.batch.organize()