3 d@sddlZddlZddlmZddlmZddlmZddlm Z ddl m Z ej dkrpddl Z Gd d d e ZnGd d d e eZd gZdS) N)ABC)ENOENT)cast) BaseFileLock)raise_on_exist_ro_filewin32c@s,eZdZdZddddZddddZdS)WindowsFileLockzWUses the :func:`msvcrt.locking` function to hard lock the lock file on windows systems.N)returncCst|jtjtjBtjB}ytj|j|}Wn.tk r\}z|jt krLWYdd}~Xns      %