import ctypes import subprocess class disable_file_system_redirection: _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection 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) pObj = subprocess.Popen('wmic bios list full', stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True) rTup = pObj.communicate() rCod = pObj.returncode if rCod == 0: print rTup[0] else: print rTup[1]