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Editing: par2backend.cpython-310.pyc
o �xa;$ � @ sn d dl Z d dlZd dlmZ d dlmZ d dlmZ d dlmZ d dlmZ G dd� dej �Z e� d e � dS ) � N)�backend)�BackendException)�log)�config)�utilc @ s� e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dd� Z dd� Z dd� Zdd� Zdd� Zd d � Zd S ) � Par2Backendz�This backend wrap around other backends and create Par2 recovery files before the file and the Par2 files are transfered with the wrapped backend. If a received file is corrupt it will try to repair it on the fly. c C s� t j�| |� zdd laW n ty � w || _ztj| _W n t y+ d| _Y nw ztj | _ W n t y> d| _ Y nw ztj d | _ W n t yS d| _ Y nw t �|j�| _dD ]}t| j|�rrt| |t| |dd � �� q]| j| _d S )Nr � � z -q -qz-q -q) �_get�_put�_list�_delete� _delete_list�_query� _query_list�_retry_cleanup� _error_code�_move�_close)r �Backend�__init__�pexpect� ImportError� parsed_urlr �par2_redundancy� redundancy�AttributeError� par2_volumes�volumes� par2_options�common_options�get_backend_object� url_string�wrapped_backend�hasattr�setattr�getattr� delete_listr )�selfr �attr� r* �@/usr/lib/python3/dist-packages/duplicity/backends/par2backend.pyr $ s8 � � � � � zPar2Backend.__init__c C sP |� � }|�� |�|�}|�� }tj�|�s#tj�t� t� � �|�}t� ||�� � |� � t �d� d| j| j| jt�|�� �f }t�|dd�\}} | rrt �d� d| j| jt�|�� �f }t�|dd�\}} | srt �d� |�� g } | s�|�� D ] } | �|�| �� q~nt �d| � |||� | D ] } || | �� � q�|�� dS ) a3 create Par2 files and transfer the given file and the Par2 files with the wrapped backend. Par2 must run on the real filename or it would restore the temp-filename later on. So first of all create a tempdir and symlink the soure_path with remote_filename into this. zCreate Par2 recovery fileszpar2 c -r%d -n%d %s "%s"NTzDFailed to create par2 file with requested options, retrying with -n1zpar2 c -r%d -n1 %s "%s"z'Successfully created par2 file with -n1z-FAILED to create par2 file with returncode %d)�get_temp_in_same_dir�mkdir�append� get_canonical�os�path�isabs�joinr �fsencode�getcwd�symlink�setdatar �Infor r r �fsdecoder �run�Warn�delete�listdir�Error� get_filename�deltree) r( �method� source_path�remote_filename�par2temp�source_symlink� source_target� par2create�out� returncode�files_to_transfer�filer* r* r+ �transferI sB � � � zPar2Backend.transferc C � | � | jj||� d S �N)rL r# r �r( �local�remoter* r* r+ �putv � zPar2Backend.putc C rM rN )rL r# r rO r* r* r+ �movey rS zPar2Backend.movec s� |� � }|�� |�|�}| j�||� z�z�|�|d �}| j�|�� |� d| jt�|� � �t�|� � �f }t � |dd�\}}|r�t � d| � t�d|�� �� � fdd�| j�� D �} | D ]} |�| �} | j�| | � qad | jt�|� � �t�|� � �f } t � | dd�\}}|r�t �d | � nt � d | � W n ty� Y n w W |�|� |�� dS W |�|� |�� dS |�|� |�� w ) a transfer remote_filename and the related .par2 file into a temp-dir. remote_filename will be renamed into local_path before finishing. If "par2 verify" detect an error transfer the Par2-volumes into the temp-dir and try to repair. s .par2zpar2 v %s %s "%s"NTz!File is corrupt. Try to repair %sz%s\.vol[\d+]*\.par2c s g | ] }� � t�|��r|�qS r* )�matchr r9 )�.0�f��cr* r+ � <listcomp>� s z#Par2Backend.get.<locals>.<listcomp>zpar2 r %s %s "%s"zFailed to repair %szRepair successful %s)r, r- r. r# r r? r r r9 r/ r r: r r; �re�compile�decoder r> r �renamer@ ) r( rC � local_pathrD �local_path_temp�par2file� par2verifyrH rI � par2volumes�filenamerK � par2repairr* rX r+ �get| sN � �� �� � � zPar2Backend.getc C sX | j �|� | �� }t�dt�|� �}|D ]}|�t�|��r)| j �t�|�� qdS )z2delete given filename and its .par2 files �%s(?:\.vol[\d+]*)?\.par2N) r# r �unfiltered_listr[ r\ r r9 rU r4 )r( rd � remote_listrY rC r* r* r+ r< � s ��zPar2Backend.deletec C s� | � � }|dd� D ] }t�dt�|� �}|D ]}|�t�|��r(|�d|� qq t| jd�r6| j� |�S |D ]}| j� |� q8dS )zKdelete given filename_list and all .par2 files that belong to them Nrg r r ) rh r[ r\ r r9 rU �insertr$ r# r r )r( � filename_listri rd rY rC r* r* r+ r' � s �� �zPar2Backend.delete_listc C s@ | j �� }t�d�}g }|D ]}|�t�|��r |�|� q|S )z� Return list of filenames (byte strings) present in backend Files ending with ".par2" will be excluded from the list. z (?!.*\.par2$))r# r r[ r\ rU r r9 r. )r( ri rY � filtered_listrd r* r* r+ �list� s �zPar2Backend.listc C s | j �� S rN )r# r �r( r* r* r+ rh � s zPar2Backend.unfiltered_listc C � | j �� d S rN )r# r rn r* r* r+ � retry_cleanup� � zPar2Backend.retry_cleanupc C s | j �||�S rN )r# r )r( � operation�er* r* r+ � error_code� rq zPar2Backend.error_codec C � | j �|�S rN �r# r )r( rd r* r* r+ �query� � zPar2Backend.queryc C ru rN rv )r( rk r* r* r+ � query_list� rx zPar2Backend.query_listc C ro rN )r# r rn r* r* r+ �close� rq zPar2Backend.closeN)�__name__� __module__� __qualname__�__doc__r rL rR rT rf r< r' rm rh rp rt rw ry rz r* r* r* r+ r s %-1 r �par2) r0 r[ � duplicityr �duplicity.errorsr r r r r r �register_backend_prefixr* r* r* r+ �<module> s P
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