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debtags.cpython-310.pyc
o ���aQJ � @ s4 d Z ddlZddlZzEddlmZmZmZmZmZm Z m Z m Z m Z m Z eee e f Zeee e f Zee gef Zee gef Zee e e e f gef ZW n eyX Y nw ddlmZ dd� Zee�Zdd� Zee�Zd d � Z ee �Z dd d �Z ee �Z d d� Z dd� Z!dd� Z"ee"�Z#G dd� d�Z$dS )z< Facilities to work with debtags - tags for Debian packages � N) �Callable�Dict�IO�Iterable�Iterator�List�Optional�Set�Text�Tuple)�function_deprecated_byc c sn � t �d�}| D ],}|�|�}|sqt|�d��d��}|�d�r,t|�d��d��}nt� }||fV qd S )Nz ^(.+?)(?::?\s*|:\s+(.+?)\s*)$� �, � )�re�compile�match�set�group�split)� input_data�lre�line�m�pkgs�tags� r �0/usr/lib/python3/dist-packages/debian/debtags.py� parse_tags0 s � �r c C s0 i }t | �D ]\}}|D ]}|�� ||< q q|S )z7Read the tag database, returning a pkg->tags dictionary�r �copy)r �dbr r �pr r r �read_tag_databaseE s �r# c C sJ i }t | �D ] \}}|D ]}||v r|| |O < q |�� ||< q q|S )z7Read the tag database, returning a tag->pkgs dictionaryr )r r! r r �tagr r r �read_tag_database_reversedS s �r% c C s� i }i }t | �D ]7\}}|du rt|�}ntt||��}|D ]}|�� ||< q |D ]}||v r8|| |O < q)|�� ||< q)q||fS )zGRead the tag database, returning a pkg->tags and a tag->pkgs dictionaryN)r r �filterr )r � tag_filterr! �dbrr r �pkgr$ r r r �read_tag_database_both_waysd s �r* c C sD i }| � � D ]\}}|D ]}||vrt� ||< || �|� q q|S )z=Reverse a tag database, from package -> tags to tag->packages)�itemsr �add)r! �resr) r r$ r r r �reverse s �r. c C s* | � � D ]\}}td| d�|�� qdS )zWrite the tag databasez%s:r N)r+ �print�join)r! r) r r r r �output� s �r1 c s � �fdd�S )Nc s t ��| �d �t � �| �� S )Nr )�float�card)r$ ��full�subr r �<lambda>� s z*relevance_index_function.<locals>.<lambda>r r4 r r4 r �relevance_index_function� s r8 c @ s� e Zd ZdZdd� Z dIdd�Zdd� Zd d � Zd d � Zd d� Z dd� Z e e �Z dd� Z dd� Ze e�Zdd� Zdd� Ze e�Zdd� Ze e�Zdd � Ze e�Zd d � Ze e�Zd d � Ze e�Zd!d"� Ze e�Z d#d$� Z e e �Z d%d&� Z e e �Z d'd(� Z!e e!�Z"d)d*� Z#e e#�Z$d+d,� Z%e e%�Z&d-d.� Z'e e'�Z(d/d0� Z)e e)�Z*d1d2� Z+e e+�Z,d3d4� Z-e e-�Z.d5d6� Z/d7d8� Z0d9d:� Z1e e1�Z2d;d<� Z3e e3�Z4d=d>� Z5e e5�Z6d?d@� Z7e e7�Z8dAdB� Z9e e9�Z:dCdD� Z;e e;�Z<dEdF� Z=e e=�Z>dGdH� Z?dS )J�DBzK In-memory database mapping packages to tags and tags to packages. c C s i | _ i | _d S �N)r! �rdb��selfr r r �__init__� s z DB.__init__Nc C s t ||�\| _| _dS )z� Read the database from a file. Example:: # Read the system Debtags database db.read(open("/var/lib/debtags/package-tags", "r")) N)r* r! r; )r= r r' r r r �read� s zDB.readc C s t �| j|� t �| j|� dS )z(Quickly write the data to a pickled fileN)�pickle�dumpr! r; �r= �filer r r �qwrite� s z DB.qwritec C s t �|�| _t �|�| _dS )z)Quickly read the data from a pickled fileN)r@ �loadr! r; rB r r r �qread� s zDB.qreadc C sF |� � | j|< |D ]}|| jv r| j| �|� q t|�| j|< q d S r: )r r! r; r, r )r= r) r r$ r r r �insert� s �z DB.insertc C � t | j� d S r: )r1 r! r< r r r rA � � zDB.dumpc C rH r: )r1 r; r< r r r � dump_reverse� rI zDB.dump_reversec C s t � }| j|_| j|_|S )z<Return the reverse collection, sharing tagsets with this one)r9 r; r! �r= r- r r r r. � s z DB.reversec sD t � }t�d�� | �� D ]\}}� fdd�|D �}|�||� q |S )zn Return a copy of this collection, but replaces the tag names with only their facets. z ^([^:]+).+c s h | ]}� � d |��qS )z\1)r6 ��.0�t��tofacetr r � <setcomp> s z&DB.facet_collection.<locals>.<setcomp>)r9 r r �iter_packages_tagsrG )r= �fcollr) r �ftagsr rO r �facet_collection� s zDB.facet_collectionc C s" t � }| j�� |_| j�� |_|S )z\ Return a copy of this collection, with the tagsets copied as well. )r9 r! r r; rK r r r r � zDB.copyc C s" t � }| j�� |_| j�� |_|S )z` Return the reverse collection, with a copy of the tagsets of this one. )r9 r; r r! rK r r r � reverse_copy rV zDB.reverse_copyc C s@ t � }i }|D ]}|| jv r| j| ||< q||_t|�|_|S )zs Return a collection with only the packages in package_iter, sharing tagsets with this one �r9 r! r. r; �r= � package_iterr- r! r) r r r �choose_packages! s � zDB.choose_packagesc C s6 t � }i }|D ] }| j| ||< q||_t|�|_|S )z| Return a collection with only the packages in package_iter, with a copy of the tagsets of this one rX rY r r r �choose_packages_copy2 s zDB.choose_packages_copyc C �B t � }i }t|| j�� �D ] }| j| ||< q ||_t|�|_|S )z� Return a collection with only those packages that match a filter, sharing tagsets with this one. The filter will match on the package. )r9 r& r! �keysr. r; )r= �package_filterr- r! r) r r r �filter_packagesB � zDB.filter_packagesc C �F t � }i }t|| j�� �D ] }| j| �� ||< q ||_t|�|_|S )z� Return a collection with only those packages that match a filter, with a copy of the tagsets of this one. The filter will match on the package. )r9 r& r! r^ r r. r; )r= � filter_datar- r! r) r r r �filter_packages_copyS � zDB.filter_packages_copyc C sF t � }i }t|| j�� �D ] \}}| j| ||< q ||_t|�|_|S )z� Return a collection with only those packages that match a filter, sharing tagsets with this one. The filter will match on (package, tags). )r9 r& r! r+ r. r; �r= �package_tag_filterr- r! r) �_r r r �filter_packages_tagsd s zDB.filter_packages_tagsc C sJ t � }i }t|| j�� �D ] \}}| j| �� ||< q ||_t|�|_|S )z� Return a collection with only those packages that match a filter, with a copy of the tagsets of this one. The filter will match on (package, tags). )r9 r& r! r+ r r. r; rf r r r �filter_packages_tags_copyu s z DB.filter_packages_tags_copyc C r] )z� Return a collection with only those tags that match a filter, sharing package sets with this one. The filter will match on the tag. )r9 r& r; r^ r. r! �r= r' r- r; r$ r r r � filter_tags� ra zDB.filter_tagsc C rb )z� Return a collection with only those tags that match a filter, with a copy of the package sets of this one. The filter will match on the tag. )r9 r& r; r^ r r. r! rk r r r �filter_tags_copy� re zDB.filter_tags_copyc C � || j v S )z2Check if the collection contains the given package)r! �r= r) r r r � has_package� � zDB.has_packagec C rn )z9Check if the collection contains packages tagged with tag)r; �r= r$ r r r �has_tag� rq z DB.has_tagc C � || j v r | j | S t� S )z Return the tag set of a package)r! r ro r r r �tags_of_package� � zDB.tags_of_packagec C rt )z Return the package set of a tag)r; r rr r r r �packages_of_tag� rv zDB.packages_of_tagc � t j� fdd�|D �� S )z=Return the set of tags that have all the packages in ``pkgs``c 3 � � | ]}� � |�V qd S r: )ru )rM r" r< r r � <genexpr>� � � z&DB.tags_of_packages.<locals>.<genexpr>�r �union)r= r r r< r �tags_of_packages� � zDB.tags_of_packagesc rx )z=Return the set of packages that have all the tags in ``tags``c 3 ry r: )rw rL r< r r rz � r{ z&DB.packages_of_tags.<locals>.<genexpr>r| )r= r r r< r �packages_of_tags� r zDB.packages_of_tagsc C s || j v r t| j | �S dS )z1 Return the cardinality of a tag r )r; �lenrr r r r r3 � s zDB.cardc C s | � |�}| �� }t||| �S )a Return the discriminance index if the tag. Th discriminance index of the tag is defined as the minimum number of packages that would be eliminated by selecting only those tagged with this tag or only those not tagged with this tag. )r3 � package_count�min)r= r$ �n�totr r r � discriminance� s zDB.discriminancec C � | j �� S )zIterate over the packages)r! r^ r< r r r � iter_packages� rq zDB.iter_packagesc C r� )zIterate over the tags)r; r^ r< r r r � iter_tags� rq z DB.iter_tagsc C r� )z$Iterate over 2-tuples of (pkg, tags))r! r+ r< r r r rR � rq zDB.iter_packages_tagsc C r� )z$Iterate over 2-tuples of (tag, pkgs))r; r+ r< r r r �iter_tags_packages� rq zDB.iter_tags_packagesc C � t | j�S )z Return the number of packages)r� r! r< r r r r� rq zDB.package_countc C r� )zReturn the number of tags)r� r; r< r r r � tag_count rq z DB.tag_countc C s� dd� }t � }d}tt|��D ]+}| �|d|d � �}t|�}|dkr& n||�}||k r:|}t |d|d � �}q|sEt |dd� �S |S )av Return an ideal selection of the top tags in a list of tags. Return the tagset made of the highest number of tags taken in consecutive sequence from the beginning of the given vector, that would intersect with the tagset of a comfortable amount of packages. Comfortable is defined in terms of how far it is from 7. c S s t | d | d �| S )N� )r2 )�xr r r � score_fun! s z"DB.ideal_tagset.<locals>.score_fung @Nr r )r �ranger� r� ) r= r r� �tagset� min_score�ir r3 �scorer r r � ideal_tagset s �zDB.ideal_tagsetc # s� � | � � D ]B� | �� fdd��}| �� fdd��}|� � D ])}|� kr$q t|�|��t|�� � }t|�|��t|�� � }� ||| fV q qdS )z� Generate the list of correlation as a tuple (hastag, hasalsotag, score). Every tuple will indicate that the tag 'hastag' tends to also have 'hasalsotag' with a score of 'score'. c s � | d v S �Nr r ��pt��pivotr r r7 A � z!DB.correlations.<locals>.<lambda>c s � | d vS r� r r� r� r r r7 B r� N)r� ri r2 r3 r� )r= �with_�withoutr$ �has�hasntr r� r � correlations7 s � ��zDB.correlationsr: )@�__name__� __module__� __qualname__�__doc__r> r? rD rF rG rA rJ r � dumpReverser. rU �facetCollectionr rW � reverseCopyr[ �choosePackagesr\ �choosePackagesCopyr` �filterPackagesrd �filterPackagesCopyri �filterPackagesTagsrj �filterPackagesTagsCopyrl � filterTagsrm �filterTagsCopyrp � hasPackagers �hasTagru � tagsOfPackagerw � packagesOfTagr~ �tagsOfPackagesr� �packagesOfTagsr3 r� r� � iterPackagesr� �iterTagsrR �iterPackagesTagsr� �iterTagsPackagesr� � packageCountr� �tagCountr� � idealTagsetr� r r r r r9 � s| � $ r9 r: )%r� r@ r �typingr r r r r r r r r r �str� PkgTagDbType� TagPkgDbType�bool� PkgFilterType� TagFilterType�PkgTagFilterType� ImportError�debian.deprecationr r � parseTagsr# �readTagDatabaser% �readTagDatabaseReversedr* �readTagDatabaseBothWaysr. r1 r8 �relevanceIndexFunctionr9 r r r r �<module> s8 0 � � $