def METHOD_NAME():
    addons ={}
    for p in bpy.utils.script_paths():
        p2 = os.path.join(p, 'addons')
        if os.path.exists(p2):
            addons.update({name: os.path.join(p2, name) for name in os.listdir(p2) if os.path.isdir(os.path.join(p2, name))})
    return addons