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    xÊ¹j�  ã                   @  s¦   d dl mZ d dlZd dlZd dlmZ d dlmZ d dlm	Z	 d dl
mZ ddlmZ dd	lmZmZ ejd
krŒd dlZG dd„ deƒZnG dd„ deƒZdgZdS )é    )ÚannotationsN)Úsuppress)ÚEACCES)ÚPath)Úcasté   )ÚBaseFileLock)Úensure_directory_existsÚraise_on_not_writable_fileÚwin32c                   @  s,   e Zd ZdZddœdd„Zddœdd„ZdS )	ÚWindowsFileLockúWUses the :func:`msvcrt.locking` function to hard lock the lock file on Windows systems.ÚNone©Úreturnc              
   C  sÈ   t | jƒ t| jƒ tjtjB tjB }zt | j|| jj	¡}W n. t
k
rl } z|jtkr\‚ W 5 d }~X Y nXX zt |tjd¡ W n8 t
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rº } zt |¡ |jtkrª‚ W 5 d }~X Y n
X || j_d S ©Nr   )r
   Ú	lock_filer	   ÚosÚO_RDWRÚO_CREATÚO_TRUNCÚopenÚ_contextÚmodeÚOSErrorÚerrnor   ÚmsvcrtÚlockingZLK_NBLCKÚcloseÚlock_file_fd)ÚselfÚflagsÚfdÚ	exception© r$   úP/var/www/html/bwave/python/venv/lib/python3.8/site-packages/filelock/_windows.pyÚ_acquire   s(    

ÿþÿ


úWindowsFileLock._acquirec              	   C  sV   t t| jjƒ}d | j_t |tjd¡ t |¡ t	t
ƒ� t| jƒ ¡  W 5 Q R X d S r   )r   Úintr   r   r   r   ZLK_UNLCKr   r   r   r   r   r   Úunlink)r    r"   r$   r$   r%   Ú_release*   s    

úWindowsFileLock._releaseN©Ú__name__Ú
__module__Ú__qualname__Ú__doc__r&   r*   r$   r$   r$   r%   r      s   r   c                   @  s,   e Zd ZdZddœdd„Zddœdd„ZdS )	r   r   r   r   c                 C  s   t ‚d S ©N©ÚNotImplementedError©r    r$   r$   r%   r&   8   s    r'   c                 C  s   t ‚d S r1   r2   r4   r$   r$   r%   r*   ;   s    r+   Nr,   r$   r$   r$   r%   r   5   s   )Ú
__future__r   r   ÚsysÚ
contextlibr   r   r   Úpathlibr   Útypingr   Z_apir   Z_utilr	   r
   Úplatformr   r   Ú__all__r$   r$   r$   r%   Ú<module>   s   
%ÿ