✨🎯 𝘿𝙖𝙮11 -100-𝘿𝙖𝙮𝙨 𝘾𝙤𝙙𝙚 𝘾𝙝𝙖𝙡𝙡𝙚𝙣𝙜𝙚 🚀🎨

import maya.cmds as mc

def cleanupScene(delete_unused_nodes=True, delete_empty_groups=True, DEBUG=False):

"""

Cleans up the Maya scene by deleting unused nodes, empty transform groups, and unused shaders,

while preserving constraints and effectors.

:param delete_unused_nodes: <bool> Deletes unused nodes if True.

:param delete_empty_groups: <bool> Deletes empty transform groups if True.

:param DEBUG: <bool> If True, prints detailed debugging information.

:return: <None>

"""

if delete_unused_nodes:

# Delete 'unknown' nodes

unknown_nodes = mc.ls(type='unknown')

if unknown_nodes:

try:

mc.delete(unknown_nodes)

print("Deleted 'unknown' nodes.")

if DEBUG:

print("List of deleted 'unknown' nodes:", unknown_nodes)

except Exception as e:

if DEBUG:

print("Failed to delete 'unknown' nodes:", e)

# Delete 'unknownDag' nodes

unknownDag_nodes = mc.ls(type='unknownDag')

if unknownDag_nodes:

try:

mc.delete(unknownDag_nodes)

print("Deleted 'unknownDag' nodes.")

if DEBUG:

print("List of deleted 'unknownDag' nodes:", unknownDag_nodes)

except Exception as e:

if DEBUG:

print("Failed to delete 'unknownDag' nodes:", e)

# Delete 'unknownTransform' nodes

unknownTransform_nodes = mc.ls(type='unknownTransform')

if unknownTransform_nodes:

try:

mc.delete(unknownTransform_nodes)

print("Deleted 'unknownTransform' nodes.")

if DEBUG:

print("List of deleted 'unknownTransform' nodes:", unknownTransform_nodes)

except Exception as e:

if DEBUG:

print("Failed to delete 'unknownTransform' nodes:", e)

if delete_empty_groups:

all_transforms = mc.ls(type='transform')

for obj in all_transforms:

# Skip default Maya transforms

if obj in ['root', 'persp', 'front', 'side', 'top', 'back', 'left', 'right']:

continue

if mc.objExists(obj):

children = mc.listRelatives(obj, children=True)

if not children:

# Check if the group has any connections

connections = mc.listConnections(obj, connections=True, plugs=True) or []

if connections:

if DEBUG:

print("Skipping deletion of group '{}' because it has connections.".format(obj))

continue

# Check for critical node types connected to this group

connected_nodes = mc.listConnections(obj, type=True, plugs=False) or []

# Define node types that should prevent deletion

critical_node_types = ['constraint', 'ikEffector', 'joint', 'controller', 'blendShape', 'nurbsCurve']

has_critical = False

for connected_node in connected_nodes:

node_type = mc.nodeType(connected_node)

if node_type in critical_node_types:

has_critical = True

if DEBUG:

print("Skipping deletion of group '{}' because it has a connected '{}' node.".format(obj, node_type))

break

if has_critical:

continue

# If no connections and no critical nodes, delete the empty group

try:

mc.delete(obj)

print("Deleted empty group: '{}'".format(obj))

except Exception as e:

if DEBUG:

print("Failed to delete group '{}': {}".format(obj, e))

print("Scene cleanup completed.")

# Example usage:

# To run without debugging information

cleanupScene()

# To run with debugging information

# cleanupScene(DEBUG=True)

[Today’s Challenge is to take this simple code to next level.. I am sharing images of these advanced codes...]