python实例26[查询修改文件的属性]

python来获得文件的

通用属性：大小，修改时间等；

去掉文件的readonly属性；

对于windows文件，可以获得是否archive，文件的版本信息等；

代码：

import os
def TestFileAttributes():
# This function is platform indepedent.
statinfo = os.stat("c:\\python26\\python.exe")
print statinfo.st_size
print statinfo.st_atime
print statinfo.st_mtime
print statinfo.st_ctime
#statinfo also include other linux specific information.
#print statinfo

TestFileAttributes()
#27136
#1299820024.28
#1228458748.0
#1228458748.0

import stat
def TestForChangeToWrite(path):
# This is platform indepedent.
if not os.access(path,os.W_OK):
os.chmod(path,stat.S_IWRITE)

TestForChangeToWrite("c:\\python26\\python.exe")

##################################################################

import win32api,win32con
def TestWinFileAttributesIfReadonly():
# This is just for windows.
fattrs = win32api.GetFileAttributes("c:\\python26\\python.exe")
#print fattrs
print bool(fattrs & win32con.FILE_ATTRIBUTE_READONLY)

TestWinFileAttributesIfReadonly()
#False

def TestWinFileAttributesIfHidden():
# This is just for windows.
fattrs = win32api.GetFileAttributes("c:\\python26\\python.exe")
#print fattrs
print bool(fattrs & win32con.FILE_ATTRIBUTE_HIDDEN)

TestWinFileAttributesIfHidden()
#False

from win32api import GetFileVersionInfo, LOWORD, HIWORD
def get_version_number(filename):
# This is just for windows.
info = GetFileVersionInfo(filename, "\\")
#print info
ms = info['FileVersionMS']
ls = info['FileVersionLS']
print HIWORD (ms), LOWORD (ms), HIWORD (ls), LOWORD (ls)

get_version_number("C:\\Program Files\\7-Zip\\7z.exe")
#9 20 0 0

完！