[Python] 删除指定目录下后缀为 xxx 的过期文件

import os
import time
import datetime

def should_remove(path, pattern, days):
if not path.endswith(pattern):
return False

mtime = os.path.getmtime(path)
now = time.time()
result = now - mtime > days * 24 * 3600

print "\n>>>>>>>>>>>>>>\n"
print "file:         ", path
print "mtime:        ", datetime.datetime.fromtimestamp(mtime)
print "now:          ", datetime.datetime.fromtimestamp(now)
print "> %d days:    " % days, result

return result

def findNremove(path, pattern, days):
print "path:    ", path
print "pattern: ", pattern
print "days:    ", days

for r, d, f in os.walk(path):
for files in f:
file_path = os.path.join(r, files)
if should_remove(file_path, pattern, days):
try:
print "Removing       %s" % (file_path)
#os.remove(file_path)
except Exception, e:
print e
else:
print "removed        %s" % (file_path)

if __name__ == '__main__':
path = os.path.join("/home", "bshao", "projects", "driver_client", "tmp")
days = 10
pattern = ".apk"
findNremove(path, pattern, days)