Python根据文件后缀实现文件夹整理

fDct = {
    "图片"  : [".jpg", ".png", ".jpeg", ".gif"],
    "视频"  : [".mp4", ".mkv"],
    "音乐"  : [".mp3", ".wav"],
    "文档"  : [".pdf"],  
    "文本"  : [".csv", ".txt"],
    "源码"  : [".py", ".c", ".cpp", ".php"],
    "office": [".docx",".xlsx", ".pptx", ".doc", ".ppt", ".xls"],
    "压缩包": [".zip", ".tgz", ".rar", ".tar", ".7z"],
    "安装包": [".msi", ".exe"],
}

exDct = {}
for key in fDct:
    exDct.update({ex:key for ex in fDct[key]})

import os
import shutil
pJoin = os.path.join
pExist = os.path.exists

def mvFile(src, dst):
    if not pExist(dst):
        os.makedirs(dst)
    try:
        shutil.move(src, dst)
        return True
    except Exception as e:
        print(e)
        return False

from pathlib import Path

# tar是准备整理的文件夹
def sortFiles(tar):
    files = os.listdir(tar)
    fsErr = []
    for f in files:
        src = pJoin(tar, f)
        ex = Path(src).suffix.lower()
        if ex not in exDct: continue
        dst = pJoin(tar, exDct[ex])
        if not mvFile(src, dst):
            fsErr.append(src)
    if len(fsErr) == 0:
        return "全部文件移动成功"
    else:
        return "以下文件移动失败：\r\n"  + "\r\n".join(fsErr)