HP_BodyPart_Add_Head.py

import bpy
from . import Utility
import os
import bmesh
import mathutils
import math


#Settings
SETTINGS_File_Name = "Head.blend"
SETTINGS_Default_Name = "Head"
SETTINGS_Maximum = 4
SETTINGS_Default = 3
SETTINGS_ID_Name = "mesh.human_primitive_bodypart_head"
SETTINGS_Label = "Add Head"

###########################################################

assets_path = "/Assets/" + SETTINGS_File_Name
assets_Folder = Utility.get_asset_filepath(assets_path)



ENUM_Position = [("CURSOR","Cursor","Cursor"), ("CENTER","Center","Center")]

def load_assets():

    assets_lists =[]

    with bpy.data.libraries.load(str(assets_Folder)) as (data_from, data_to):
        for object in data_from.objects:
            assets_lists.append(object)

    assets_lists = sorted(assets_lists)

    return assets_lists


class HP_OT_BodyPart_Add_Head(bpy.types.Operator):
    """Add Head"""
    bl_idname = SETTINGS_ID_Name
    bl_label = SETTINGS_Label
    bl_options = {'UNDO', 'REGISTER'}

    name: bpy.props.StringProperty(default=SETTINGS_Default_Name)

    position: bpy.props.EnumProperty(items = ENUM_Position)

    version: bpy.props.IntProperty(default=SETTINGS_Default,min=0, max=SETTINGS_Maximum)




    # Eye
    # Teeth

    assets_lists = []

    def invoke(self, context, event):

        self.assets_lists = load_assets()
        self.cursor_position = context.scene.cursor.location.copy()

        return self.execute(context)


    def draw(self, context):

        layout = self.layout
        col = layout.column(align=True)

        col.prop(self, "name", text="Name")

        if context.mode == "OBJECT":
            col.prop(self, "position", text="Position")

        col = layout.column(align=True)

        col.prop(self, "version", text="Version")



    def execute(self, context):

        mode = context.mode
        context.view_layer.update()

        if mode == "OBJECT":

            path = str(assets_Folder)
            section = "/Object/"
            directory = path + section

            filename = self.assets_lists[self.version]

            bpy.ops.wm.append(filename=filename, directory=directory)

            Objects = [obj for obj in context.selected_objects]

            for obj in Objects:

                obj.name = self.name
                obj.location = (0, 0, 0)

                if self.position == "CURSOR":
                    obj.location = self.cursor_position
                if self.position == "CENTER":
                    obj.location = (0, 0, 0)

        context.view_layer.update()

        return {'FINISHED'}

classes = [HP_OT_BodyPart_Add_Head]

def register():


    for cls in classes:
        bpy.utils.register_class(cls)



def unregister():

    for cls in classes:
        bpy.utils.unregister_class(cls)

if __name__ == "__main__":
    register()