python实现的文件夹清理程序分享

使用：

foldercleanup.py -d 10 -k c:\test\keepfile.txt c:\test

代码：

import os

import os.path

import datetime

 

def getOption():

 from optparse import OptionParser

 

 des = "clean up the folder with some options"

 prog = "foldercleanup"

 ver = "%prog 0.0.1"

 usage = "%prog [options] foldername"

 

 p = OptionParser(description=des, prog=prog, version=ver, usage=usage,add_help_option=True)

 p.add_option('-d','--days',action='store',type='string',dest='days',help="keep the subfolders which are created in recent %days% days")

 p.add_option('-k','--keepfile',action='store',type='string',dest='keepfile',help="keep the subfolders which are recorded in text file %keepfile% ")

 options, arguments = p.parse_args()

 

 if len(arguments) != 1:

 print("error: must input one directory as only one parameter ")

 return

 

 return options.days, options.keepfile, arguments[0]



def preCheckDir(dir):

 if(not os.path.exists(dir)):

 print("error: the directory your input is not existed")

 return

 if(not os.path.isdir(dir)):

 print ("error: the parameter your input is not a directory")

 return

 

 return os.path.abspath(dir)

 

def isKeepByDay(dir, day):

 indays = False

 if( day is not None) :

 t = os.path.getctime(dir)

 today = datetime.date.today()

 createdate = datetime.date.fromtimestamp(t)

 indate = today - datetime.timedelta(days = int(day))

 print (createdate)

 if(createdate >= indate):

 indays = True

 print (indays)

 return indays

 

def isKeepByKeepfile(dir, keepfile):

 needkeep = False

 print (dir)

 if (keepfile is not None):

 try :

 kf = open(keepfile,"r")

 for f in kf.readlines():

 print (f)

 if (dir.upper().endswith("\\" + f.strip().upper())):

 needkeep = True

 kf.close()

 except:

 print ("error: keep file cannot be opened")

 print(needkeep)

 return needkeep

 

def removeSubFolders(dir, day, keepfile):

 subdirs = os.listdir(dir)

 for subdir in subdirs:

 subdir = os.path.join(dir,subdir)

 if ( not os.path.isdir(subdir)):

 continue

 print("----------------------")

 if( (not isKeepByDay(subdir, day))and (not isKeepByKeepfile(subdir, keepfile))):

 print("remove subfolder: " + subdir)

 import shutil

 shutil.rmtree(subdir,True)

 

def FolderCleanUp():

 (day, keepfile, dir) = getOption()

 dir = preCheckDir(dir)

 if dir is None:

 return

 removeSubFolders(dir,day,keepfile)

 

if __name__=='__main__':

 FolderCleanUp()

对目录下保留最后的zip文件：

def KeepLastNumZips(num)

 def extractTime(f):

 return os.path.getctime(f)

 zipfiles = [os.path.join(zipdir, f)

 for f in os.listdir(zipdir)

 if os.path.splitext(f)[1] == ".zip"]

 if len(zipfiles) > num:

 zipfiles.sort(key=extractTime, reverse=True)

 for i in range(num, len(zipfiles)):

 os.remove(zipfiles[i])

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