【Windows学习】解决python无法访问win64系统drivers目录重定向文件问题

 1 #!/usr/bin/env python
 2 # encoding: utf-8
 3 import ctypes
 4 import os
 5 class disable_file_system_redirection:
 6     """
 7     关闭64位系统的driver目录重定向
 8     """
 9     try:
10         _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection
11         _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection
12     except Exception as e:
13         print(str(e))
14 
15     def __enter__(self):
16         self.old_value = ctypes.c_long()
17         self.success = self._disable(ctypes.byref(self.old_value))
18 
19     def __exit__(self, type, value, traceback):
20         if self.success:
21             self._revert(self.old_value)
22 
23 with disable_file_system_redirection():
24     if os.path.exists(r‘C:\Windows\System32\drivers\test.sys‘):
25     print "yes"