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python37
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python3.7
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clselect
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baseclselect
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Editing: pkgmanager.cpython-37.pyc
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B �"Ud�* � @ s� d dl mZ d dl mZ d dl mZ d dlZd dlZd dlZd dlZd dlZd dl Z d dl m Z m Z d dlmZ ddlmZmZmZ d d lmZ d d lmZ d d lmZ d ZG d d� de�ZG dd� dee e ��Z dS )� )�print_function)�division)�absolute_importN)�ABCMeta�abstractmethod)�time� )�INSTALLING_STATUS�REMOVING_STATUS�AcquireInterpreterLockError)�with_metaclass)�is_testing_enabled_repo)�GroupInfoReaderi�Q c @ s e Zd ZdS )�PkgManagerErrorN)�__name__� __module__� __qualname__� r r �Q/opt/alt/python37/lib/python3.7/site-packages/clselect/baseclselect/pkgmanager.pyr " s r c @ s8 e Zd ZdZdZdZdZdZdZdZ dZ dZ e dd� �Z edd� �Zedd� �Zd d � Zd d � Zed d� �Zedd� �Zdd� Zedd� �Zedd� �Zd7dd�Zdd� Zdd � Zd d � Z d d � Z d!d"� Z d#d$� Z d%d&� Z e!j"d'd(� �Z#e$d)d*� �Z%e$d+d,� �Z&e$d-d.� �Z'd/d0� Z(e$d1d2� �Z)d3d4� Z*e$d5d6� �Z+dS )8�BasePkgManagerz� Class responsible for all interactions with Yum, interpreter versions installation/removal and gathering info about already installed versions Nc C s" t tjd�}tj||||ddd�S )N�wTz /bin/bash)�stdin�stdout�stderr�shell� executable)�open�os�devnull� subprocess�Popen)�cls�commandZfnullr r r �run_background6 s z BasePkgManager.run_backgroundc C s | j d k r| j S t� }|| _ |S )N)�_testing_repo_enabled_cacher )�self�resr r r �_testing_enabledB s z BasePkgManager._testing_enabledc C s& | j rtj�| jd�S tj�| jd�S )Nz yum_cache.dat.testing_enabledz yum_cache.dat)r' r �path�join� _config_dir)r% r r r �_yum_cache_fileK s z BasePkgManager._yum_cache_filec C sR t �| j�}t|�� �}t| jd��$}x |D ]}|�|� d�� q,W W d Q R X d S )Nr � )r Zget_group_info� _alt_names�list�keysr r+ �write)r% �groups�f�groupr r r �update_yum_cacheQ s z BasePkgManager.update_yum_cachec C sH yt �| j�}W n tk r$ dS X t� |j tkr:dS t| j��� S )z;Return data from file or None if file is absent or outdatedN) r �statr+ �OSErrorr �st_mtime�MAX_CACHE_AGE_SECr �read)r% r5 r r r �_read_yum_cacheX s z BasePkgManager._read_yum_cachec C s, yt �| � W n ttfk r& Y nX dS )z* Silently remove file ignoring all errors N)r �remover6 �IOError)r2 r r r �_remove_silentd s z BasePkgManager._remove_silentc C s" | j dkr| �� | _ t| j �� �S )z� Returns list of installed interpreter versions by scanning alt_node_dir and cache result. Cache also can be pre-filled at init time for testing/debugging purposes N)�_versions_info�_scan_interpreter_versionsr. r/ )r% r r r �installed_versionsl s z!BasePkgManager.installed_versionsc C s< | j dkr| �� | _ y| j | d S tk r6 |S X dS )a� Should return full interpreter version for a particular major version or just fallback to given version if info is not available for any reason. This information is taken from the hash map populated during installed_packages scan. :param maj: Major interpreter version :return: Full interpreter version or Major if info is not available N� full_version)r> r? �KeyError)r% �majr r r �get_full_versionw s z BasePkgManager.get_full_versionc C s t j�| jd�S )Nz yum.pid.lock)r r( r) r* )r% r r r �_pid_lock_file� s z BasePkgManager._pid_lock_filec C s t j�| jd�S )Nzyum_cache.pid.lock)r r( r) r* )r% r r r �_cache_lock_file� s z BasePkgManager._cache_lock_filec C sB t j�| j�s| �� t�|t|�|tt � �d�t | j d�� dS )z� :param pid: pid of Yum process :param version: interpreter version or None for "cache update" case :param status: what yum is currently doing(few predefined statuses) :return: None )�pid�version�statusr r N) r r( �existsr* �_create_config_dirs�json�dump�str�floatr r rE )r% rG rH rI r r r �_write_yum_status� s z BasePkgManager._write_yum_statusc C s( | � � }|d k r$d�|d |d �S d S )Nz>{} of version '{}' is in progress. Please, wait till it's donerI rH )�_read_yum_status�format)r% � ongoing_yumr r r �_check_yum_in_progress� s z%BasePkgManager._check_yum_in_progressc C s� | j dkrt� �yt�t| j ��}W n tk rD | �| j � dS X t�|� d��sf| �| j � dS yt � |d t j �\}}W n t k r� |S X |dkr�|S | �| j � dS )a� Result "None" - means installing/removing of our packages is not currently in progress. However, it doesn't mean that any other yum instance is not running at the same time, but we ok with this because our yum process will start processing automatically once standard /var/run/yum.pid lock is removed by other process :return: None or dict NrG r )rE �NotImplementedErrorrL �loadr � Exceptionr= �psutil� pid_exists�getr �waitpid�WNOHANGr6 )r% �datarG �_r r r rQ � s$ z BasePkgManager._read_yum_statusc C s | j �|�S )z� Formatting cmd string for installing package :return: formatted cmd string :param version: version of interpreter for installing :rtype: str )� _install_cmdrR )r% rH r r r � format_cmd_string_for_installing� s z/BasePkgManager.format_cmd_string_for_installingc C s | j �|�S )z� Formatting cmd string for removing package :return: formatted cmd string :param version: version of interpreter for removing :rtype: str )� _remove_cmdrR )r% rH r r r � format_cmd_string_for_removing� s z-BasePkgManager.format_cmd_string_for_removingc C st | � |�}|r|S || jkr&d�|�S | �� }|dkr:dS ||krLd�|�S | �|�}| �|�}| �|j|t� dS )zReturn None or Error stringz!Version "{}" is already installedNz^Updating available versions cache is currently in progress. Please, try again in a few minuteszGVersion "{}" is not available. Please, make sure you typed it correctly) �_verify_actionr@ rR �checkout_availabler` r# rP rG r )r% rH �err� available� cmd_string�pr r r �install_version� s z BasePkgManager.install_versionc C sj | � |�}|r|S || jkr&d�|�S | �|�r4dS | �|�rBdS | �|�}| �|�}| �|j|t � dS )zReturn None or Error stringz Version "{}" is not installedzeThis version is currently in use by another operation. Please, wait until it's complete and try againzPIt's not possible to uninstall version which is currently in use by applicationsN) rc r@ rR �is_interpreter_locked�_is_version_in_userb r# rP rG r )r% rH re rg rh r r r �remove_version� s z BasePkgManager.remove_versionc C s: | � � }|dk r6|d ttfkr6|d |d dd�iS dS )zr Should return version and it's status for versions that is currently installing|removing NrI rH � )rI �base_dir)rQ r r )r% rS r r r � in_progress s zBasePkgManager.in_progressc c s~ | � |�}yt|d�}W n tk r4 t|��Y nX yt�|tjtjB � W n tk rb Y nX z d V W d |�� X d S )Nr ) �_get_lock_file_pathr r< r �fcntl�flock�LOCK_EX�LOCK_NB�close)r% �interpreter_version� lock_name�lfr r r �acquire_interpreter_lock s z'BasePkgManager.acquire_interpreter_lockc C s t � �d S )N)rU )r% r r r rd 2 s z!BasePkgManager.checkout_availablec C s t � �d S )N)rU )r% r r r r? 6 s z)BasePkgManager._scan_interpreter_versionsc C s t � �d S )N)rU )r% r r r rK : s z"BasePkgManager._create_config_dirsc C sf | � |�}tj�|�sdS t|d�}z2yt�|tjtjB � W n t k rR dS X W d |� � X dS )NFr T) rp r r( �isfiler rq rr rs rt r< ru )r% rv rw rx r r r rj > s z$BasePkgManager.is_interpreter_lockedc C s t � �d S )N)rU )r% rH r r r rc K s z BasePkgManager._verify_actionc C s t � �d S )N)rU )r% rH r r r rp O s z"BasePkgManager._get_lock_file_pathc C s t � �d S )N)rU )r% rH r r r rk R s z!BasePkgManager._is_version_in_use)NN),r r r �__doc__r$ r* r> Z_yum_cmdr- Z _redirect_logr_ ra � classmethodr# �propertyr' r+ r4 r: � staticmethodr= r@ rD rE rF rP rT rQ r` rb ri rl ro � contextlib�contextmanagerry r rd r? rK rj rc rp rk r r r r r & sF % r ) � __future__r r r rq r r rX r � simplejsonrL �abcr r r rm r r r � future.utilsr �clcommon.utilsr Zclcommon.group_info_readerr r8 rW r �objectr r r r r �<module> s"
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