Python deletes 2 script sharing for expired files in specified directory _python

Script 1:

The two days were written in Python with a script that deletes the expiration time in the specified directory. Maybe I'm a beginner of python, and I'm not familiar with Python, and I think this script should be simpler and easier to write with a shell.
Functionally, the script has achieved the results I want, but the script is not generic enough and there are more to be perfected. The script is currently running well under python2.4. At the same time, I added a script to the Python version of the judgment, in theory 2.7 should also be normal use. Friends with the environment can help to test.
The script is not perfect in that it only supports file deletion in the first level of the directory and does not support directory recursion. Also, the definition of expired files can only be done by week.

Python code:

Copy Code code as follows:

#! /usr/bin/env python
#-*-Coding=utf-8-*-
Import Sys
Import OS
Import Time,datetime

# define the directory where files need to be deleted
dir = '/data/webbak/'
# The deleted file is written to the log file
LogDir = '/var/log '
LogFile = Os.path.join (LogDir, ' Delete.log ')

# get current system Python version
ver = sys.version
ver = Ver.split (")
ver = ver[0]

# Convert the time of "Wed June 4 13:25:59 2012" format to "2012-07-02 14:50:15" format
# version is the current system Python version number
# time is the "Wed June 4 13:25:59 2012" format.
# function returns time of ' 2012-07-02 14:50:15 ' format
def string2time (str_time, Version = ver):
version_l = Version.split ('. ') [0:2]
ver = version_l[0] + '. ' + version_l[1]
if (ver = = ' 2.7 '):
F_time = Datetime.datetime.strptime (Str_time, Time_format)
F_time = F_time.strftime ('%y-%m-%d%h:%m:%s ')
Return F_time
elif (ver = = ' 2.4 '):
F_time = Time.strptime (Str_time, Time_format)
F_time = Datetime.datetime (*f_time[0:6])
Return F_time

# time Format
Time_format = "%a%b%d%h:%m:%s%Y"
# Get the current time
Today = Datetime.datetime.now ()
# define 4 weeks
Four_weeks = Datetime.timedelta (weeks=6)
# 4 weeks before the date
Four_weeks_ago = Today-four_weeks
# Turn the time into timestamps
Four_weeks_ago_timestamps = Time.mktime (Four_weeks_ago.timetuple ())
# list all files in the directory
Files = Os.listdir (dir)
# Open the file log you want to delete
FH = open (logfile, "w+")
# traverse the file to print out the file creation time
For f in Files:
# ignore. The file that begins
If F.startswith ('. '):
Continue
# ignore the directory under the current directory
If Os.path.isdir (Os.path.join (dir,f)):
Continue
# Get the Modify time of the file and convert it into timestamp format
File_timestamp = Os.path.getmtime (Os.path.join (dir, f))
File_time_f = String2time (Time.ctime (File_timestamp))
If float (file_timestamp) <= float (four_weeks_ago_timestamps):
Fh.write (str (today) + "\ T" + str (file_time_f) + "T" + os.path.join (dir,f) + "\ n")
Os.remove (Os.path.join (dir,f))
# Close File
Fh.close ()

Script 2:
To implement a shell command similar to the following

Copy Code code as follows:

Find/data/log-ctime +5 | Xargs rm-f

Python code:

Copy Code code as follows:

Import OS
Import Sys
Import time
Class Deletelog:

def __init__ (self,filename,days):
Self.filename = FileName
Self.days = Days
def delete (self):
If Os.path.isfile (self.filename):
FD = open (Self.filename, ' R ')
While 1:
Buffer = Fd.readline ()
If not buffer:break
If Os.path.isfile (buffer):
Os.remove (buffer)
Fd.close ()
Elif Os.path.isdir (self.filename):
For i in [Os.sep.join ([self.filename,v]) for V in Os.listdir (Self.filename)]:
Print I
If Os.path.isfile (i):
If Self.compare_file_time (i):
Os.remove (i)
Elif Os.path.isdir (i):
Self.filename = i
Self.delete ()
def compare_file_time (self,file):
time_of_last_access = os.path.getatime (file)
Age_in_days = (Time.time ()-time_of_last_access)/(60*60*24)
If Age_in_days > Self.days:
Return True
Return False
if __name__ = = ' __main__ ':
If Len (sys.argv) = = 2:
obj = Deletelog (sys.argv[1],0)
Obj.delete ()
Elif len (sys.argv) = = 3:
obj = Deletelog (Sys.argv[1],int (sys.argv[2))
Obj.delete ()
Else
Print "Usage:python%s listfilename|dirname [days]"% sys.argv[0]
Sys.exit (1)