allow render_rop to override ROP's frame range

client/ayon_houdini/api/lib.py

@@ -146,11 +146,26 @@ def validate_fps():
     return True
 
 
-def render_rop(ropnode):
+def render_rop(ropnode, frame_range=None):
     """Render ROP node utility for Publishing.
 
     This renders a ROP node with the settings we want during Publishing.
+
+    Args:
+        ropnode (hou.RopNode): Node to render
+        frame_range (set): Copied from Houdini's help..
+            Sequence of 2 or 3 values, overrides the frame range and frame
+            increment to render. The first two values specify the start and
+            end frames, and the third value (if given) specifies the frame
+            increment. If no frame increment is given and the ROP node
+            doesn't specify a frame increment, then a value of 1 will be
+            used. If no frame range is given, and the ROP node doesn't
+            specify a frame range, then the current frame will be rendered.
     """
+    if frame_range is None:
+        # Empty set to fall to default. i.e. Don't override ROP's frame range.
+        frame_range = ()
+
     # Print verbose when in batch mode without UI
     verbose = not hou.isUIAvailable()
 
@@ -161,7 +176,8 @@ def render_rop(ropnode):
                        output_progress=verbose,
                        # Render only this node
                        # (do not render any of its dependencies)
-                       ignore_inputs=True)
+                       ignore_inputs=True,
+                       frame_range=frame_range)
     except hou.Error as exc:
         # The hou.Error is not inherited from a Python Exception class,
         # so we explicitly capture the houdini error, otherwise pyblish