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o a~bM> � @ st d Z ddlZddlZddlZddlZddlZz$ddlmZm Z m Z m Z m Z m Z mZmZmZmZmZmZ ddlmZ W n eyI esGdd� ZY nw ddlmZmZmZ ddlm Z dd l m Z d Z d Z g d �Z!d Z"g d�Z#dZ$dZ%dZ&dZ'G dd� de�Z(G dd� de)�Z*G dd� de*�Z+G dd� de*�Z,G dd � d e�Z-e.d kr�e-ej/d d �Z0e0j1�2� Z2e3e2�4d�� dS dS ) zX Representation of Debian binary package (.deb) files Debfile Classes =============== � N) �Any�BinaryIO�Dict�IO�Iterator�List�Optional�Text�TypeVar�Union�overload� TYPE_CHECKING)�Literalc C � d S �N� )�fr r �0/usr/lib/python3/dist-packages/debian/debfile.py�<lambda>4 s r )�ArFile�ArError�ArMember)� Changelog)�Deb822zdata.tarz control.tar)�gz�bz2�xz�lzma�zstz debian-binary)�preinst�postinst�prerm�postrm�config�controlz usr/share/doc/%s/changelog.gzz$usr/share/doc/%s/changelog.Debian.gz�md5sumsc @ � e Zd ZdS )�DebErrorN��__name__� __module__� __qualname__r r r r r' H s r' c @ s� e Zd ZdZdd� Zdd� Zedd� �Zdd � Ze dd d ��Z e d d d ��Z ddd �Z e ddd��Z e d dd��Z ddd�Z dd� Z dd� Z dd� Zdd� Zd S ) �DebParta� 'Part' of a .deb binary package. A .deb package is considered as made of 2 parts: a 'data' part (corresponding to the possibly compressed 'data.tar' archive embedded in a .deb) and a 'control' part (the 'control.tar.gz' archive). Each of them is represented by an instance of this class. Each archive should be a compressed tar archive although an uncompressed data.tar is permitted; supported compression formats are: .tar.gz, .tar.bz2, .tar.xz . When referring to file members of the underlying .tar.gz archive, file names can be specified in one of 3 formats "file", "./file", "/file". In all cases the file is considered relative to the root of the archive. For the control part the preferred mechanism is the first one (as in deb.control.get_content('control') ); for the data part the preferred mechanism is the third one (as in deb.data.get_file('/etc/vim/vimrc') ). c C s || _ d | _d S r )�_DebPart__member� _DebPart__tgz)�self�memberr r r �__init__^ s zDebPart.__init__c s� � fdd�}� j du r^� jj}tj�|�d dd� }|tv s'|tks'|tkrX|dkr2|ddg�}n� j}z t j |dd �� _ W � j S t j t j fyW } zt d | ��d}~ww t d | ��� j S ) z�Return a TarFile object corresponding to this part of a .deb package. Despite the name, this method gives access to various kind of compressed tar archives, not only gzipped ones. c s� z dd l }dd l� dd l}|j| |j|jd� fdd�d�}W n ttfy2 } ztd| ��d }~ww |��j � � �d }|j dkrItd|j ��|� |�S )Nr Fc s � � � j� j�S r )�signal�SIGPIPE�SIG_DFLr �r2 r r r x s z9DebPart.tgz.<locals>._custom_decompress.<locals>.<lambda>)�stdin�stdout�universal_newlines� preexec_fnz%sz!command has failed with code '%s') � subprocessr2 �io�Popen�PIPE�OSError� ValueErrorr' � communicater- �read� returncode�BytesIO)� command_listr: r; �proc�e�data�r/ r5 r �_custom_decompressl s( � �� � z'DebPart.tgz.<locals>._custom_decompressN� r �unzstdz--stdoutzr:*)�fileobj�modez#tarfile has returned an error: '%s'z"part '%s' has unexpected extension)r. r- �name�os�path�splitext� PART_EXTS� DATA_PART� CTRL_PART�tarfile�open� ReadError�CompressionErrorr' )r/ rI rN � extension�bufferrF r rH r �tgzc s" � �� z DebPart.tgzc C s4 | � d�r | dd� } | S | � d�r| dd� } | S )zw try (not so hard) to obtain a member file name in a form relative to the .tar.gz root and with no heading '.' �./� N�/rJ )� startswith)�fnamer r r �__normalize_member� s � zDebPart.__normalize_memberc C s" t �|�}| �� �� }d| |v S )z.Check if this part contains a given file name.r\ )r, �_DebPart__normalize_memberr[ �getnames)r/ r` �namesr r r �has_file� s zDebPart.has_fileNc C r r r �r/ r` �encoding�errorsr r r �get_file� � zDebPart.get_filec C r r r rf r r r ri � rj c C sH t �|�}| �� �d| �}|du rtd��|dur"tj|||d�S |S )z�Return a file object corresponding to a given file name. If encoding is given, then the file object will return Unicode data; otherwise, it will return binary data. r\ Nz File not found inside package�rg rh )r, rb r[ � extractfiler' r; � TextIOWrapper)r/ r` rg rh �fobjr r r ri � s c C r r r rf r r r � get_content� � zDebPart.get_contentc C r r r rf r r r ro � rp c C s, | j |||d�}d}|r|�� }|�� |S )z�Return the string content of a given file, or None (e.g. for directories). If encoding is given, then the content will be a Unicode object; otherwise, it will contain binary data. rk N)ri rA �close)r/ r` rg rh r �contentr r r ro � s c C s t | �� �� �S r )�iterr[ rc rH r r r �__iter__� s zDebPart.__iter__c C � | � |�S r )re �r/ r` r r r � __contains__� � zDebPart.__contains__c C ru r )ro rv r r r � __getitem__� rx zDebPart.__getitem__c C s | j �� d S r )r- rq rH r r r rq � s z DebPart.close�NNr )r) r* r+ �__doc__r1 r[ � staticmethodrb re r ri ro rt rw ry rq r r r r r, L s4 5 � � � r, c @ r& )�DebDataNr( r r r r r} s r} c @ sB e Zd Zdd� Zdd� Zed dd��Zed dd��Zd d d�ZdS ) � DebControlc C s6 i }t D ]}| �|�r| �|�}|dur|||< q|S )zo Return a dictionary of maintainer scripts (postinst, prerm, ...) mapping script names to script text. N)� MAINT_SCRIPTSre ro )r/ �scriptsr` rG r r r r� s �zDebControl.scriptsc C s t | �t��S )z� Return the debian/control as a Deb822 (a Debian-specific dict-like class) object. For a string representation of debian/control try .get_content('control') )r ro � CONTROL_FILErH r r r � debcontrol s zDebControl.debcontrolNc C r r r �r/ rg rh r r r r% rj zDebControl.md5sumsc C r r r r� r r r r% $ rj c C s� | � t�s tdt ��| jt||d�}i }d}|du r d}|�� D ] }|�|��dd�\}}t|t�r:|� � ||< q!|||< q!|� � |S )a� Return a dictionary mapping filenames (of the data part) to md5sums. Fails if the control part does not contain a 'md5sum' file. Keys of the returned dictionary are the left-hand side values of lines in the md5sums member of control.tar.gz, usually file names relative to the file system root (without heading '/' or './'). The returned keys are Unicode objects if an encoding is specified, otherwise binary. The returned values are always Unicode.z('%s' file not found, can't list MD5 sumsrk z Ns rJ ) re �MD5_FILEr' ri � readlines�rstrip�split� isinstance�bytes�decoderq ) r/ rg rh �md5_file�sums�newline�line�md5r` r r r r% ) s � rz r )r) r* r+ r� r� r r% r r r r r~ s r~ c @ s� e Zd ZdZd dd�Zdd� Zedd � �Zed d � �Zed d � �Z dd� Z dd� Z e d dd��Z e d dd��Z d dd�Z dd� Zdd� Zdd� Zd d � ZdS )!�DebFilea� Representation of a .deb file (a Debian binary package) DebFile objects have the following (read-only) properties: - version debian .deb file format version (not related with the contained package version), 2.0 at the time of writing for all .deb packages in the Debian archive - data DebPart object corresponding to the data.tar.gz (or other compressed or uncompressed tar) archive contained in the .deb file - control DebPart object corresponding to the control.tar.gz (or other compressed tar) archive contained in the .deb file N�rc s� t �| |||� t| �� �� � fdd�}t� vr tdt ��i | _t| �|t ���| jt < t | �|t ���| jt < d | _ | �t�}|� � �� | _|�� d S )Nc sj � fdd�t D �}� ttfv r|�� � ��t|��}|s#td| ��t|�dkr/td| ��t|�d S )Nc s g | ]}d � |f �qS )z%s.%sr )�.0�ext��basenamer r � <listcomp>b s zBDebFile.__init__.<locals>.compressed_part_name.<locals>.<listcomp>z9missing required part in given .deb (expected one of: %s)rJ z>too many parts in given .deb (was looking for only one of: %s)r ) rR rS rT �append� intersection�setr' �len�list)r� � candidates�parts�� actual_namesr� r �compressed_part_name` s" �� �� z.DebFile.__init__.<locals>.compressed_part_namez4missing required part in given .deb (expected: '%s'))r r1 r� rc � INFO_PARTr' �_DebFile__partsr~ � getmemberrT r} rS �_DebFile__pkgnamerA �strip�_DebFile__versionrq )r/ �filenamerM rL r� r r r� r r1 [ s( �� � � zDebFile.__init__c C s | � � d | _d S )N�package)r� r� rH r r r �__updatePkgName� s zDebFile.__updatePkgNamec C s | j S r )r� rH r r r �version� s zDebFile.versionc C � | j t S r )r� rS rH r r r rG � � z DebFile.datac C r� r )r� rT rH r r r r$ � r� zDebFile.controlc C � | j �� S )z See .control.debcontrol() )r$ r� rH r r r r� � r� zDebFile.debcontrolc C r� )z See .control.scripts() )r$ r� rH r r r r� � r� zDebFile.scriptsc C r r r r� r r r r% � rj zDebFile.md5sumsc C r r r r� r r r r% � rj c C s | j j||d�S )z See .control.md5sums() rk )r$ r% r� r r r r% � s c C sl | j du r | �� t| j t| j fD ] }| j�|�r3tj| j�|�d�}|� � }|� � t |� S qdS )z� Return a Changelog object for the changelog.Debian.gz of the present .deb package. Return None if no changelog can be found. N)rL ) r� �_DebFile__updatePkgName�CHANGELOG_DEBIAN�CHANGELOG_NATIVErG re �gzip�GzipFileri rA rq r )r/ r` r � raw_changelogr r r � changelog� s � �zDebFile.changelogc C s | j �� | j�� d S r )r$ rq rG rH r r r rq � s z DebFile.closec C s | S r r rH r r r � __enter__� s zDebFile.__enter__c C s | � � d S r )rq )r/ �exc_type�exc_val�exc_tbr r r �__exit__� s zDebFile.__exit__)Nr� Nrz r )r) r* r+ r{ r1 r� �propertyr� rG r$ r� r� r r% r� rq r� r� r r r r r� K s* ( r� �__main__rJ )r� )5r{ r� r; rU �sys�os.pathrO �typingr r r r r r r r r r r r �typing_extensionsr � ImportError� debian.arfiler r r �debian.changelogr � debian.deb822r rS rT rR r� r r� r� r� r� r' �objectr, r} r~ r� r) �argv�debr$ r[ �printr� r r r r �<module> sL 8 �� 5F �
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