random_object_colors operator for blender

random_object_colors.py

bl_info = {
    "name": "Random Object Colors",
    "author": "@Andrej730",
    "version": (1, 0),
    "blender": (2, 90, 0),
    "location": "F3 -> Random Object Color",
    "description": "",
    "warning": "",
    "category": "Objects"
}

import bpy
import random

class RandomObjectColor(bpy.types.Operator):
    bl_idname = "object.random_object_color"
    bl_label = "Random Object Color"
    bl_description = "Randomize object color"

    def execute(self, context):
        objects = context.selected_objects + [context.active_object]
        objects = set(objects)

        for obj in objects:
            obj.color = self.get_random_color()

        return {'FINISHED'}

    def get_random_color(self):
        ''' generate rgb using a list comprehension '''
        r, g, b = [random.random() for i in range(3)]
        return r, g, b, 1

def register():
    bpy.utils.register_class(RandomObjectColor)

def unregister():
    bpy.utils.unregister_class(RandomObjectColor)

if __name__ == "__main__":
    register()