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    h                     @  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 d
ZejdkrG dd deZn6zd dlZW n ek
r   Y nX dZG dd deZddgZdS )    )annotationsN)suppress)ENOSYS)Path)cast   )BaseFileLock)ensure_directory_existsFwin32c                   @  s,   e Zd ZdZddddZddddZdS )	UnixFileLockHUses the :func:`fcntl.flock` to hard lock the lock file on unix systems.Nonereturnc                 C  s   t d S NNotImplementedErrorself r   @/var/www/html/venv/lib/python3.8/site-packages/filelock/_unix.py_acquire   s    UnixFileLock._acquirec                 C  s   t d S r   r   r   r   r   r   _release   s    UnixFileLock._releaseN__name__
__module____qualname____doc__r   r   r   r   r   r   r      s   r   Tc                   @  s,   e Zd ZdZddddZddddZdS )	r   r   r   r   c              
   C  s   t | j tjtjB }t| j s.|tjO }t| j|| j	j
}tt t|| j	j
 W 5 Q R X zt|tjtjB  W nD tk
r } z&t| |jtkrd}t||W 5 d }~X Y n
X || j	_d S )NzEFileSystem does not appear to support flock; use SoftFileLock instead)r	   Z	lock_fileosO_RDWRO_TRUNCr   existsO_CREATopen_contextmoder   PermissionErrorfchmodfcntlflockZLOCK_EXZLOCK_NBOSErrorcloseerrnor   r   lock_file_fd)r   Z
open_flagsfd	exceptionmsgr   r   r   r   %   s    




r   c                 C  s2   t t| jj}d | j_t|tj t| d S r   )	r   intr&   r/   r*   r+   ZLOCK_UNr    r-   )r   r0   r   r   r   r   7   s    r   Nr   r   r   r   r   r   "   s   	has_fcntl)
__future__r   r    sys
contextlibr   r.   r   pathlibr   typingr   Z_apir   Z_utilr	   r4   platformr   r*   ImportError__all__r   r   r   r   <module>   s(   

 