Shape_Key_And_Name_Matcher.py

"""
Copyright (c) [2/22/24] [Dieton]

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
"""

import bpy

def create_matching_shape_keys(obj_list):
    source_object = None
    target_object = None

    # Iterate through the selected objects
    for obj in obj_list:
        if obj.data.shape_keys:
            # If the object has shape keys, assign it as the source
            source_object = obj
        else:
            # If the object does not have shape keys, assign it as the target
            target_object = obj

    # Check if both source and target objects are found
    if source_object and target_object:
        print("Source Object: {}".format(source_object.name))
        print("Target Object: {}".format(target_object.name))

        # Check if source_object has shape keys
        if source_object.data.shape_keys is None:
            print("Error: The source object should have shape keys.")
            return

        # Create matching shape keys in the target object
        for shape_key_source in source_object.data.shape_keys.key_blocks:
            shape_key_target = target_object.shape_key_add(name=shape_key_source.name, from_mix=False)

        print("Shape keys created on '{0}' matching '{1}'.".format(target_object.name, source_object.name))
    else:
        print("Error: One object should have shape keys, and the other should not.")

# Get the selected objects
selected_objects = bpy.context.selected_objects

# Ensure two objects are selected
if len(selected_objects) == 2:
    # Call the function to create matching shape keys
    create_matching_shape_keys(selected_objects)
else:
    print("Error: Please select exactly two objects.")