Blender で変数の共有

share_variables.py

import bpy

# UI クラスで変数を定義
class UI(bpy.types.Panel):
    bl_label = "test"
    bl_space_type = "VIEW_3D"
    bl_region_type = "TOOLS"
    bl_category = "Tools"
    
    #プロパティ
    bpy.types.Scene.my_string = bpy.props.StringProperty(name='string')
    #ただの変数
    bpy.types.Scene.my_list = []
    
    def draw(self,context):
        # UI に配置
        self.layout.prop(context.scene, "my_string")
        self.layout.operator("dskjal.testbutton")
        #変数にアクセス
        for l in bpy.types.Scene.my_list:
            self.layout.label(text=l)
        
class Button(bpy.types.Operator):
    bl_idname = "dskjal.testbutton"
    bl_label = "push"

    def execute(self, context):
        #プロパティは context.作成した場所.変数名 でアクセスする
        str = context.scene.my_string
        #ただの変数はそのままアクセスする
        bpy.types.Scene.my_list.append(str)
        return{'FINISHED'}
        
        
        
classes = (
    UI,
    Button
)
def register():
    from bpy.utils import register_class
    for cls in classes:
        register_class(cls)

def unregister():
    from bpy.utils import unregister_class
    for cls in reversed(classes):
        register_class(cls)

if __name__ == "__main__":
    register()