✏️ 编辑：lock.cpython-39.opt-1.pyc
路径：
/usr/lib/python3.9/site-packages/dnf/__pycache__/lock.cpython-39.opt-1.pyc
大小：4.08 KB · 修改：2026-05-20 19:48:39 · 权限：0644 · 只读（保存会失败）
← 返回目录
👁 查看
⬇ 下载
检测到二进制内容，直接保存可能损坏文件。请改用「上传替换」。
a �!c� � @ s� d dl mZ d dl mZ d dlmZmZmZ d dlmZ d dl m Z d dl Z d dl Z d dlZd dlZd dlZd dlZd dlZd dlZd dlZe�d�Zdd � Zd d � Zd d � Zdd� Zdd� ZG dd� de �Z dS )� )�absolute_import)�unicode_literals)�ProcessLockError�ThreadLockError� LockError)�_)�miscN�dnfc C s6 t j�� s2t�| �d���� }tj� t � � d|�} | S )N�utf-8�locks) r �utilZ am_i_root�hashlibZsha1�encodeZ hexdigest�os�path�joinr Z getCacheDir)Zdir_Zhexdir� r �,/usr/lib/python3.9/site-packages/dnf/lock.py� _fit_lock_dir& s r c C s t tj�t| �d�d| �S )Nzdownload_lock.pid�cachedir�� ProcessLockr r r r �r � exit_on_lockr r r �build_download_lock/ s �r c C s t tj�t| �d�d| �S )Nzmetadata_lock.pid�metadatar r r r r �build_metadata_lock3 s �r c C s t tj�t| �d�d| �S )Nzrpmdb_lock.pidZRPMDBr )Z persistdirr r r r �build_rpmdb_lock8 s �r c C s t tj�t| �d�d| �S )Nz log_lock.pid�logr )Zlogdirr r r r �build_log_lock= s �r c @ s> e Zd Zddd�Zdd� Zdd� Zdd � Zd d � Zd d � ZdS )r Fc C s& || _ d| _|| _|| _t�� | _d S )Nr )�blocking�count� description�target� threading�RLock� thread_lock)�selfr# r" r r r r �__init__C s zProcessLock.__init__c C s2 | j jdd�s d| j }t|��| jd7 _d S )NF)r z'%s already locked by a different thread� )r& �acquirer" r r! )r' �msgr r r � _lock_threadJ s zProcessLock._lock_threadc C s� t �| jt jt jB d�}�zZzt�|tjtjB � W nL t y� } z4|j t j krjW Y d }~W t � |� dS � W Y d }~n d }~0 0 t � |d�}t|�dkr�t �|t|��d�� |W t � |� S z t|�}W n( ty� td�| j }t|��Y n0 ||k�r|W t � |� S t �d| t j��sft �|dt j� t �|d� t �|t|��d�� |W t � |� S |W t � |� S t � |� 0 d S )Ni� ���� r r z�Malformed lock file found: %s. Ensure no other dnf/yum process is running and remove the lock file manually or run systemd-tmpfiles --remove dnf.conf.z /proc/%d/stat)r �openr# �O_CREAT�O_RDWR�fcntlZflockZLOCK_EXZLOCK_NB�OSError�errnoZ EWOULDBLOCK�close�read�len�write�strr �int� ValueErrorr r �access�F_OK�lseek�SEEK_SET� ftruncate)r' �pid�fd�eZold_pidr+ r r r � _try_lockP sL � � � � � �zProcessLock._try_lockc C s | j d8 _ | j�� d S �Nr) )r! r& �release)r' r r r �_unlock_threadz s zProcessLock._unlock_threadc C s� t j�tj�| j�� | �� d}t�� }| � |�}||kr�|dkr�| j sj| � � d| j |f }t ||��||kr�td�| }t�|� |}t�d� | � |�}q4d S )Nr- z%s already locked by %dz*Waiting for process with pid %d to finish.r) )r r Z ensure_dirr r �dirnamer# r, �getpidrD r rG r" r r �logger�info�time�sleep)r' Zprev_pidZmy_pidrA r+ r r r � __enter__~ s" zProcessLock.__enter__c G s" | j dkrt�| j� | �� d S rE )r! r �unlinkr# rG )r' Zexc_argsr r r �__exit__� s zProcessLock.__exit__N)F) �__name__� __module__� __qualname__r( r, rD rG rN rP r r r r r B s *r ) Z __future__r r Zdnf.exceptionsr r r Zdnf.i18nr Zdnf.yumr Z dnf.loggingr Zdnf.utilr4 r2 r Zloggingr r$ rL Z getLoggerrJ r r r r r �objectr r r r r �<module> s(
💾 保存
取消
保存为 UTF-8，换行统一为 LF