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

#!/usr/bin/env python
# encoding: utf-8
import ctypes
import os
class disable_file_system_redirection:
    """
    关闭64位系统的driver目录重定向
    """
    try:
        _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection
        _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection
    except Exception as e:
        print(str(e))

    def __enter__(self):
        self.old_value = ctypes.c_long()
        self.success = self._disable(ctypes.byref(self.old_value))

    def __exit__(self, type, value, traceback):
        if self.success:
            self._revert(self.old_value)

with disable_file_system_redirection():
    if os.path.exists(r‘C:\Windows\System32\drivers\test.sys‘):
    print "yes"