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o ;j� � @ s� d Z ddlZddlZddlZddlZdddd�Ze�e�Z ddiZ dd� Z d d � Z d d � Z d d� Zdd� Zdd� Zdd� Zdd� Zdd� Zdd� Zdd � Zd d � Zd d� Zd d!� ZdS )"zQ Support for Alternatives system :codeauthor: Radek Rada <radek.rada@gmail.com> � N�txt)�display�install�remove�set_�setc C s t j�d�rdS dS )z/ Only if alternatives dir is available z/etc/alternativesT)Fz@Cannot load alternatives module: /etc/alternatives dir not found)�os�path�isdir� r r �M/opt/saltstack/salt/lib/python3.10/site-packages/salt/modules/alternatives.py� __virtual__ � r c C s t d dkrdS dS )z> Alteratives commands and differ across distributions � os_family�RedHatZ alternativeszupdate-alternatives)� __grains__r r r r �_get_cmd" r r c C sF t � d| g}td |ddd�}|d dkr |d d kr |d S |d S ) z� Display alternatives settings for defined command name CLI Example: .. code-block:: bash salt '*' alternatives.display editor � --display� cmd.run_allFT�� python_shellZignore_retcode�retcoder �stderr� �stdout�r �__salt__��name�cmd�outr r r r + s r c C s� z4t jj�tj�|| �d�� }t jj�|� � �}|� d�d � d�W d � W S 1 s-w Y W dS t yD t �d| � Y dS t tfy_ } zt �d| |� W Y d }~dS d }~ww )N�rbT� � z alternatives: %s does not existz=alternatives: unable to get master link for %s. Exception: %sF)�salt�utils�filesZfopenr r �joinZ stringutilsZ to_unicode�read� splitlines�rstrip�OSError�log�error� IndexError)r r Zr_file�contents�excr r r � _read_alternative_link_directly< s$ $� �����r1 c C s� t � d| g}td |ddd�}|d dkr |d d kr dS |d �d d �d }|�d �D ]}|�d�r?|�dd �d �� S q,dS )Nz--queryr FTr r r r r r z r" r# zLink:�:)r r �split� startswith�strip)r r r Z first_block�liner r r �#_read_alternative_link_with_commandM s �r7 c C s4 t d dkr t| d�S t d dkrt| d�S t| �S )z� Display master link for the alternative .. versionadded:: 2015.8.13,2016.3.4,2016.11.0 CLI Example: .. code-block:: bash salt '*' alternatives.show_link editor r r z/var/lib/alternativesZSusez/var/lib/rpm/alternatives)r r1 r7 �r r r r � show_link[ s r9 c C s, zt | �W S ty t�d| � Y dS w )z� Display the current highest-priority alternative for a given alternatives link CLI Example: .. code-block:: bash salt '*' alternatives.show_current editor z alternative: %s does not existF)� _read_linkr+ r, r- r8 r r r � show_currentq s �r; c sX t � d| g}td |ddd�}|d dkr |d d kr dS t� fd d �|d �� D ��S ) z� Check if the given path is an alternative for a name. .. versionadded:: 2015.8.4 CLI Example: .. code-block:: bash salt '*' alternatives.check_exists name path r r FTr r r r r c 3 s � | ]}|� � �V qd S )N)r4 )�.0r6 �r r r � <genexpr>� s � z check_exists.<locals>.<genexpr>r )r r �anyr) �r r r r r r= r � check_exists� s rA c C s$ zt | �|kW S ty Y dS w )z� Check if the current highest-priority match for a given alternatives link is set to the desired path CLI Example: .. code-block:: bash salt '*' alternatives.check_installed name path F)r: r+ )r r r r r �check_installed� s �rB c C sN t � d|| |t|�g}td |dd�}|d dkr#|d dkr#|d S |d S ) z� Install symbolic links determining default commands CLI Example: .. code-block:: bash salt '*' alternatives.install editor /usr/bin/editor /usr/bin/emacs23 50 z --installr F�r r r r r r )r �strr )r �linkr �priorityr r r r r r � s r c C �: t � d| |g}td |dd�}|d dkr|d S |d S ) z� Remove symbolic links determining the default commands. CLI Example: .. code-block:: bash salt '*' alternatives.remove name path z--remover FrC r r r r r r@ r r r r � � r c C s8 t � d| g}td |dd�}|d dkr|d S |d S ) z� Trigger alternatives to set the path for <name> as specified by priority. CLI Example: .. code-block:: bash salt '*' alternatives.auto name z--autor FrC r r r r r r r r r �auto� s rI c C rG ) z� Manually set the alternative <path> for <name>. CLI Example: .. code-block:: bash salt '*' alternatives.set name path z--setr FrC r r r r r r@ r r r r � rH c C s d| � �}t jj�|�S )z` Read the link from /etc/alternatives Throws an OSError if the link does not exist z/etc/alternatives/)r$ r% r �readlink)r Z alt_link_pathr r r r: � s r: )�__doc__�loggingr Zsalt.utils.filesr$ Zsalt.utils.pathZ __outputter__� getLogger�__name__r, Z__func_alias__r r r r1 r7 r9 r; rA rB r r rI r r: r r r r �<module> s2 �
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