|
Server : Apache System : Linux iad1-shared-b8-43 6.6.49-grsec-jammy+ #10 SMP Thu Sep 12 23:23:08 UTC 2024 x86_64 User : dh_edsupp ( 6597262) PHP Version : 8.2.26 Disable Function : NONE Directory : /lib/python3/dist-packages/lockfile/__pycache__/ |
Upload File : |
o
��UV\
� @ sP d dl mZ d dlZd dlZddlmZmZmZmZm Z m
Z
G dd� de�Z dS )� )�absolute_importN� )�LockBase�
LockFailed� NotLocked� NotMyLock� LockTimeout�
AlreadyLockedc @ s: e Zd ZdZd
dd�Zdd� Zdd� Zd d
� Zd d � ZdS )� LinkLockFilez�Lock access to a file using atomic property of link(2).
>>> lock = LinkLockFile('somefile')
>>> lock = LinkLockFile('somefile', threaded=False)
Nc C s z
t | jd��� W n ty td| j ��w |d ur |n| j}t�� }|d ur2|dkr2||7 } z t�| j| j � W d S t
y� t� | j�j }|dkrSY d S |d urut�� |krut�
| j� |dkrntd| j ��td| j ��t�|d ur|d p�d � Y nw q3)
N�wbzfailed to create %sr T� z&Timeout waiting to acquire lock for %sz%s is already locked�
g�������?)�open� unique_name�close�IOErrorr �timeout�time�os�link� lock_file�OSError�stat�st_nlink�unlinkr �pathr �sleep)�selfr �end_time�nlinks� r �7/usr/lib/python3/dist-packages/lockfile/linklockfile.py�acquire s: � � �� ��zLinkLockFile.acquirec C sN | � � s td| j ��tj�| j�std| j ��t�| j� t�| j� d S )Nz%s is not lockedz%s is locked, but not by me) � is_lockedr r r �existsr r r r �r r r r! �release7 s zLinkLockFile.releasec C s t j�| j�S �N)r r r$ r r% r r r! r# ? s zLinkLockFile.is_lockedc C s( | � � otj�| j�ot�| j�jdkS )Nr )r# r r r$ r r r r% r r r! � i_am_lockingB s
��zLinkLockFile.i_am_lockingc C s" t j�| j�rt �| j� d S d S r' )r r r$ r r r% r r r! �
break_lockG s �zLinkLockFile.break_lockr' ) �__name__�
__module__� __qualname__�__doc__r" r& r# r( r) r r r r! r
s
& r
) �
__future__r r r � r r r r r r r
r r r r! �<module> s