如何创建具有所有层次结构的目录？

import os

def createDirectory(directoryPath, directoryName):
    # 检查目录路径是否存在，如果不存在则创建
    if not os.path.exists(directoryPath):
        os.makedirs(directoryPath)
    
    # 创建新的目录
    newDirectoryPath = os.path.join(directoryPath, directoryName)
    os.makedirs(newDirectoryPath)
    
    # 检查是否还有更深层次的目录需要创建
    if hasSubdirectories(directoryName):
        subdirectories = getSubdirectories(directoryName)
        for subdirectory in subdirectories:
            createDirectory(newDirectoryPath, subdirectory)

def hasSubdirectories(directoryName):
    # 根据需要实现判断是否有更深层次的目录需要创建的逻辑
    # 返回True或False

def getSubdirectories(directoryName):
    # 根据需要实现获取更深层次的目录名称列表的逻辑
    # 返回目录名称列表

# 调用示例
rootPath = "/path/to/root"
rootDirectoryName = "root"
createDirectory(rootPath, rootDirectoryName)