python执行os.rename 报错：FileNotFoundError: [Errno 2] No such file or directory:*

Dear 丶 2023-01-15 03:37 158阅读 0赞

## 1. 报错代码 ##

# -*- coding: utf-8 -*-
    
    import os, sys
    from tqdm import tqdm
    path = '/home/ugrad/LeiWang/CNN/all_data'  #所需修改文件夹所在路径
    dirs = os.listdir(path)
     
    for dir in tqdm(dirs):
        print(dir)
        os.rename(dir,str(dir.split("-")[0][1:]))
    
    # 打印出重命名后的目录
    print ("目录为: %s" %os.listdir(os.getcwd()))

## 2. 报错如下 ##

Traceback (most recent call last):
      File "change_dirname.py", line 12, in <module>
      File "/app/anaconda3/lib/python3.6/os.py", line 267, in renames
        rename(old, new)
    FileNotFoundError: [Errno 2] No such file or directory: 'n02105056-groenendael' -> '02105056'

## 3. 报错原因 ##

> 重命名文件夹之前未指定文件所在位置  
> 添加`os.chdir(path)`切换当前新路径即可解决

## 4. 正确代码 ##

# -*- coding: utf-8 -*-
    
    import os, sys
    from tqdm import tqdm
    path = '/home/ugrad/LeiWang/CNN/all_data'  #所需修改文件夹所在路径
    dirs = os.listdir(path)
     
    for dir in tqdm(dirs):
        print(dir)
        os.chdir(path) # !!!!!!!一定记得加上!!!!!!!
        os.rename(dir,str(dir.split("-")[0][1:]))
    
    # 打印出重命名后的目录
    print ("目录为: %s" %os.listdir(os.getcwd()))

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