a
    |f                     @  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n4zd dlZW n ey   Y n0 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   HD:\Projects\storyit_web\backend\venv\Lib\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 d    n1 sp0    Y  zt|tjtjB  W nF ty } z.t| |jtkrd}t||W Y d }~nd }~0 0 || 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   PermissionErrorZ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   r/   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	   r3   platformr   r)   ImportError__all__r   r   r   r   <module>   s(   

 