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PK �b!\v$ {� � % __pycache__/ndbm.cpython-39.opt-2.pycnu �[��� a �iF � @ s d dl T dS )� )�*N)�_dbm� r r � /usr/lib64/python3.9/dbm/ndbm.py�<module> � PK �b!\ \`�� � ) __pycache__/__init__.cpython-39.opt-2.pycnu �[��� a �i� � @ s� g d �Z ddlZddlZddlZddlZG dd� de�Zg d�Zdai Z ee fZzddl m Z W n e yv dZ Y n0 dd d �Zd d � Zed kr�ejdd� D ]Zeee�p�de� q�dS ))�open�whichdb�error� Nc @ s e Zd ZdS )r N)�__name__� __module__� __qualname__� r r �$/usr/lib64/python3.9/dbm/__init__.pyr & s r )�dbm.gnu�dbm.ndbm�dbm.dumb)�ndbm�r� c C s� t d u r\tD ]>}zt|dgd�}W n ty8 Y q Y n0 t sB|a |t|< q t s\tdt ��d|vrlt| �nd }|d u r�d|v s�d|v r�t }q�td d��n:|dkr�td d ��n$|tvr�td d �|���nt| }|�| ||�S ) Nr )�fromlistz no dbm clone found; tried %s�n�cr z=db file doesn't exist; use 'c' or 'n' flag to create a new db� z db type could not be determinedz/db type is {0}, but the module is not available) � _defaultmod�_names� __import__� ImportError�_modulesr r �formatr )�file�flag�mode�name�mod�resultr r r r 5 s0 �r c C s z6t �| d d�}|�� t �| d d�}|�� W dS ty� z>t �| d d�}|�� td ur�t�| �}|�� W Y dS W n ty� Y n0 Y n0 zvt�| d � t�| d �j}|dkr�W dS t �| d d�}z*|�d �d v r�W |�� W dS W |�� n |�� 0 W n t�y& Y n0 zt �| d�}W n t�yN Y d S 0 |� |�d �}W d � n1 �sv0 Y |dd � }t |�d k�r�d S zt � d|�\}W n t j �y� Y d S 0 |dv �r�dS zt � d|dd � �\}W n t j �y Y d S 0 d S )Nz.pag�rbz.dirr z.dbz.datr r � )� '� "� � r z=l)iΚWi͚WiϚWr ���) �ior �close�OSErrorr �os�stat�st_size�read�len�struct�unpackr )�filename�f�d�sizeZs16�s�magicr r r r b sd �* r �__main__r! ZUNKNOWN)r r )�__all__r' r* r/ �sys� Exceptionr r r r r) �dbmr r r r r �argvr1 �printr r r r �<module> s$ -YPK �b!\��K�� � $ __pycache__/gnu.cpython-39.opt-2.pycnu �[��� a �iH � @ s d dl T dS )� )�*N)�_gdbm� r r � /usr/lib64/python3.9/dbm/gnu.py�<module> � PK �b!\܀ � � % __pycache__/dumb.cpython-39.opt-1.pycnu �[��� a �i- � @ sV d Z ddlZddlZddlZddlZddgZ dZ e Z G dd� dej j�Zd d d�ZdS ) a� A dumb and slow but simple dbm clone. For database spam, spam.dir contains the index (a text file), spam.bak *may* contain a backup of the index (also a text file), while spam.dat contains the data (a binary file). XXX TO DO: - seems to contain a bug when updating... - reclaim free space (currently, space once occupied by deleted or expanded items is never reused) - support concurrent access (currently, if two processes take turns making updates, they can mess up the index) - support efficient access to large databases (currently, the whole index is read when the database is opened, and some updates rewrite the whole index) - support opening for read-only (flag = 'm') � N�error�openi c @ s� e Zd ZeZeZd+dd�Zdd� Zdd� Zdd � ZeZ d d � Z d d � Z dd� Z dd� Z dd� Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � ZeZd d!� Zd"d#� ZeZd$d%� Zd&d'� Zd(d)� Zd*S ),� _Database�cc C sL || _ |dk| _|d | _|d | _|d | _d | _| �|� | �|� d S )N�rz.dirz.datz.bak)�_mode� _readonly�_dirfile�_datfile�_bakfile�_index�_create�_update)�selfZ filebasename�mode�flag� r � /usr/lib64/python3.9/dbm/dumb.py�__init__0 s z_Database.__init__c C s� |dkr@| j | j| jfD ]&}zt�|� W q ty< Y q0 qztj| j ddd�}W nZ ty� |dvrn� tj| j ddd�� }| �| j � W d � n1 s�0 Y Y n 0 |� � d S )N�nr �Latin-1��encoding�r r �w) r r r �_os�remove�OSError�_ior �_chmod�close)r r �filename�fr r r r I s 0z_Database._createc C s� d| _ i | _ztj| jddd�}W n" tyD |dvr:� d| _ Y nZ0 |�D |D ].}|�� }t�|�\}}|� d�}|| j|< qPW d � n1 s�0 Y d S )NFr r r r T) � _modifiedr r r r r �rstrip�_astZ literal_eval�encode)r r r" �line�key�pos_and_siz_pairr r r r \ s z_Database._updatec C s� | j d u s| jsd S z| j�| j� W n ty8 Y n0 z| j�| j| j� W n tyb Y n0 | jj | jddd��L}| � | j� | j � � D ]$\}}d|� d�|f }|� |� q�W d � n1 s�0 Y d S )Nr r r �%r, %r )r r# r �unlinkr r �renamer r r r �items�decode�write)r r" r( r) �entryr r r �_commitp s z_Database._commitc C s | j d u rtd��d S �N�"DBM object has already been closed)r r �r r r r � _verify_open� s z_Database._verify_openc C sp t |t�r|�d�}| �� | j| \}}t�| jd��$}|�|� |� |�}W d � n1 sb0 Y |S )N�utf-8�rb) � isinstance�strr& r5 r r r r �seek�read)r r( �pos�sizr" Zdatr r r � __getitem__� s (z_Database.__getitem__c C s� t �| jd��\}|�dd� t|�� �}|t d t t }|�d|| � |}|�|� W d � n1 sp0 Y |t|�fS )N�rb+r � � � ) r r r r: �int�tell� _BLOCKSIZEr/ �len)r �valr" r< Znposr r r �_addval� s (z_Database._addvalc C sN t �| jd��$}|�|� |�|� W d � n1 s80 Y |t|�fS )Nr? )r r r r: r/ rF )r r< rG r" r r r �_setval� s (z_Database._setvalc C sd || j |< tj| jddd��4}| �| j� |�d|�d�|f � W d � n1 sV0 Y d S )N�ar r r* )r r r r r r/ r. )r r( r) r" r r r �_addkey� s z_Database._addkeyc C s� | j rtd��t|t�r$|�d�}nt|ttf�s:td��t|t�rP|�d�}nt|ttf�sftd��| �� d| _ || j vr�| � || � |�� n^| j | \}}|t d t }t|�t d t }||kr�| �||�| j |< n| � |�| j |< d S )N�'The database is opened for reading onlyr6 z keys must be bytes or stringsz values must be bytes or stringsTrA )r r r8 r9 r& �bytes� bytearray� TypeErrorr5 r# r rK rH rE rF rI )r r( rG r< r= Z oldblocksZ newblocksr r r � __setitem__� s( z_Database.__setitem__c C sD | j rtd��t|t�r"|�d�}| �� d| _| j|= | �� d S )NrL r6 T) r r r8 r9 r& r5 r# r r1 �r r( r r r � __delitem__� s z_Database.__delitem__c C s. z t | j�W S ty( td�d �Y n0 d S r2 )�listr rO r r4 r r r �keys� s z_Database.keysc s � � � � fdd�� j�� D �S )Nc s g | ]}|� | f�qS r r )�.0r( r4 r r � <listcomp>� � z#_Database.items.<locals>.<listcomp>)r5 r rT r4 r r4 r r- � s z_Database.itemsc C sP t |t�r|�d�}z || jv W S tyJ | jd u rDtd�d �n� Y n0 d S )Nr6 r3 )r8 r9 r& r rO r rQ r r r � __contains__� s z_Database.__contains__c C s. z t | j�W S ty( td�d �Y n0 d S r2 )�iterr rO r r4 r r r �iterkeys s z_Database.iterkeysc C s. z t | j�W S ty( td�d �Y n0 d S r2 )rF r rO r r4 r r r �__len__ s z_Database.__len__c C sD z$| � � W d | _ | _ | _| _nd | _ | _ | _| _0 d S �N)r1 r r r r r4 r r r r s z_Database.closec C s | j �|| j� d S r\ )r �chmodr )r �filer r r r s z_Database._chmodc C s | S r\ r r4 r r r � __enter__ s z_Database.__enter__c G s | � � d S r\ )r )r �argsr r r �__exit__ s z_Database.__exit__N)r ) �__name__� __module__� __qualname__r r r r r r1 �syncr5 r> rH rI rK rP rR rT r- rX rZ �__iter__r[ r �__del__r r_ ra r r r r r # s2 % r r � c C sT zt �d�}t �|� W n ty* Y n 0 || @ }|dvrFtd��t| ||d�S )aE Open the database file, filename, and return corresponding object. The flag argument, used to control how the database is opened in the other DBM implementations, supports only the semantics of 'c' and 'n' values. Other values will default to the semantics of 'c' value: the database will always opened for update and will be created if it does not exist. The optional mode argument is the UNIX mode of the file, used only when the database has to be created. It defaults to octal code 0o666 (and will be modified by the prevailing umask). r )r r r r z)Flag must be one of 'r', 'w', 'c', or 'n')r )r �umask�AttributeError� ValueErrorr )r^ r r Zumr r r r " s )r rh )�__doc__�astr% �ior �osr �collections.abc� collections�__all__rE r r �abc�MutableMappingr r r r r r �<module> s PK �b!\�*�� � __pycache__/gnu.cpython-39.pycnu �[��� a �iH � @ s d Z ddlT dS )z,Provide the _gdbm module as a dbm submodule.� )�*N)�__doc__�_gdbm� r r � /usr/lib64/python3.9/dbm/gnu.py�<module> s PK �b!\��jc� � % __pycache__/ndbm.cpython-39.opt-1.pycnu �[��� a �iF � @ s d Z ddlT dS )z+Provide the _dbm module as a dbm submodule.� )�*N)�__doc__�_dbm� r r � /usr/lib64/python3.9/dbm/ndbm.py�<module> s PK �b!\��ǯ� � ) __pycache__/__init__.cpython-39.opt-1.pycnu �[��� a �i� � @ s� d Z g d�ZddlZddlZddlZddlZG dd� de�Zg d�Zda i Z ee fZzddl m Z W n eyz dZ Y n0 dd d �Zd d � Zedkr�ejdd� D ]Zeee�p�de� q�dS )aN Generic interface to all dbm clones. Use import dbm d = dbm.open(file, 'w', 0o666) The returned object is a dbm.gnu, dbm.ndbm or dbm.dumb object, dependent on the type of database being opened (determined by the whichdb function) in the case of an existing dbm. If the dbm does not exist and the create or new flag ('c' or 'n') was specified, the dbm type will be determined by the availability of the modules (tested in the above order). It has the following interface (key and data are strings): d[key] = data # store data at key (may override data at # existing key) data = d[key] # retrieve data at key (raise KeyError if no # such key) del d[key] # delete data stored at key (raises KeyError # if no such key) flag = key in d # true if the key exists list = d.keys() # return a list of all existing keys (slow!) Future versions may change the order in which implementations are tested for existence, and add interfaces to other dbm-like implementations. )�open�whichdb�error� Nc @ s e Zd ZdS )r N)�__name__� __module__� __qualname__� r r �$/usr/lib64/python3.9/dbm/__init__.pyr & s r )�dbm.gnu�dbm.ndbm�dbm.dumb)�ndbm�r� c C s� t du r\tD ]>}zt|dgd�}W n ty8 Y q Y n0 t sB|a |t|< q t s\tdt ��d|vrlt| �nd}|du r�d|v s�d|v r�t }q�td d��n:|d kr�td d ��n$|tvr�td d �|���nt| }|�| ||�S ) a� Open or create database at path given by *file*. Optional argument *flag* can be 'r' (default) for read-only access, 'w' for read-write access of an existing database, 'c' for read-write access to a new or existing database, and 'n' for read-write access to a new database. Note: 'r' and 'w' fail if the database doesn't exist; 'c' creates it only if it doesn't exist; and 'n' always creates a new database. Nr )�fromlistz no dbm clone found; tried %s�n�cr z=db file doesn't exist; use 'c' or 'n' flag to create a new db� z db type could not be determinedz/db type is {0}, but the module is not available) � _defaultmod�_names� __import__� ImportError�_modulesr r �formatr )�file�flag�mode�name�mod�resultr r r r 5 s0 �r c C s z6t �| d d�}|�� t �| d d�}|�� W dS ty� z>t �| d d�}|�� tdur�t�| �}|�� W Y dS W n ty� Y n0 Y n0 zvt�| d � t�| d �j}|dkr�W d S t �| d d�}z*|�d �d v r�W |�� W d S W |�� n |�� 0 W n t�y& Y n0 zt �| d�}W n t�yN Y dS 0 |� |�d �}W d � n1 �sv0 Y |dd � }t |�d k�r�dS zt � d|�\}W n t j �y� Y dS 0 |dv �r�dS zt � d|dd� �\}W n t j �y Y dS 0 dS )au Guess which db package to use to open a db file. Return values: - None if the database file can't be read; - empty string if the file can be read but can't be recognized - the name of the dbm submodule (e.g. "ndbm" or "gnu") if recognized. Importing the given module may still fail, and opening the database using that module may still fail. z.pag�rbz.dirr z.dbNz.datr r � )� '� "� � r z=l)iΚWi͚WiϚWr ���) �ior �close�OSErrorr �os�stat�st_size�read�len�struct�unpackr )�filename�f�d�sizeZs16�s�magicr r r r b sd �* r �__main__r! ZUNKNOWN)r r )�__doc__�__all__r' r* r/ �sys� Exceptionr r r r r) �dbmr r r r r �argvr1 �printr r r r �<module> s& -YPK �b!\8dS}� � % __pycache__/dumb.cpython-39.opt-2.pycnu �[��� a �i- � @ sR d dl Zd dlZd dlZd dlZddgZdZ e Z G dd� dej j �Zd d d�ZdS ) � N�error�openi c @ s� e Zd ZeZeZd+dd�Zdd� Zdd� Zdd � ZeZ d d � Z d d � Z dd� Z dd� Z dd� Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � ZeZd d!� Zd"d#� ZeZd$d%� Zd&d'� Zd(d)� Zd*S ),� _Database�cc C sL || _ |dk| _|d | _|d | _|d | _d | _| �|� | �|� d S )N�rz.dirz.datz.bak)�_mode� _readonly�_dirfile�_datfile�_bakfile�_index�_create�_update)�selfZ filebasename�mode�flag� r � /usr/lib64/python3.9/dbm/dumb.py�__init__0 s z_Database.__init__c C s� |dkr@| j | j| jfD ]&}zt�|� W q ty< Y q0 qztj| j ddd�}W nZ ty� |dvrn� tj| j ddd�� }| �| j � W d � n1 s�0 Y Y n 0 |� � d S )N�nr �Latin-1��encoding�r r �w) r r r �_os�remove�OSError�_ior �_chmod�close)r r �filename�fr r r r I s 0z_Database._createc C s� d| _ i | _ztj| jddd�}W n" tyD |dvr:� d| _ Y nZ0 |�D |D ].}|�� }t�|�\}}|� d�}|| j|< qPW d � n1 s�0 Y d S )NFr r r r T) � _modifiedr r r r r �rstrip�_astZ literal_eval�encode)r r r" �line�key�pos_and_siz_pairr r r r \ s z_Database._updatec C s� | j d u s| jsd S z| j�| j� W n ty8 Y n0 z| j�| j| j� W n tyb Y n0 | jj | jddd��L}| � | j� | j � � D ]$\}}d|� d�|f }|� |� q�W d � n1 s�0 Y d S )Nr r r �%r, %r )r r# r �unlinkr r �renamer r r r �items�decode�write)r r" r( r) �entryr r r �_commitp s z_Database._commitc C s | j d u rtd��d S �N�"DBM object has already been closed)r r �r r r r � _verify_open� s z_Database._verify_openc C sp t |t�r|�d�}| �� | j| \}}t�| jd��$}|�|� |� |�}W d � n1 sb0 Y |S )N�utf-8�rb) � isinstance�strr& r5 r r r r �seek�read)r r( �pos�sizr" Zdatr r r � __getitem__� s (z_Database.__getitem__c C s� t �| jd��\}|�dd� t|�� �}|t d t t }|�d|| � |}|�|� W d � n1 sp0 Y |t|�fS )N�rb+r � � � ) r r r r: �int�tell� _BLOCKSIZEr/ �len)r �valr" r< Znposr r r �_addval� s (z_Database._addvalc C sN t �| jd��$}|�|� |�|� W d � n1 s80 Y |t|�fS )Nr? )r r r r: r/ rF )r r< rG r" r r r �_setval� s (z_Database._setvalc C sd || j |< tj| jddd��4}| �| j� |�d|�d�|f � W d � n1 sV0 Y d S )N�ar r r* )r r r r r r/ r. )r r( r) r" r r r �_addkey� s z_Database._addkeyc C s� | j rtd��t|t�r$|�d�}nt|ttf�s:td��t|t�rP|�d�}nt|ttf�sftd��| �� d| _ || j vr�| � || � |�� n^| j | \}}|t d t }t|�t d t }||kr�| �||�| j |< n| � |�| j |< d S )N�'The database is opened for reading onlyr6 z keys must be bytes or stringsz values must be bytes or stringsTrA )r r r8 r9 r& �bytes� bytearray� TypeErrorr5 r# r rK rH rE rF rI )r r( rG r< r= Z oldblocksZ newblocksr r r � __setitem__� s( z_Database.__setitem__c C sD | j rtd��t|t�r"|�d�}| �� d| _| j|= | �� d S )NrL r6 T) r r r8 r9 r& r5 r# r r1 �r r( r r r � __delitem__� s z_Database.__delitem__c C s. z t | j�W S ty( td�d �Y n0 d S r2 )�listr rO r r4 r r r �keys� s z_Database.keysc s � � � � fdd�� j�� D �S )Nc s g | ]}|� | f�qS r r )�.0r( r4 r r � <listcomp>� � z#_Database.items.<locals>.<listcomp>)r5 r rT r4 r r4 r r- � s z_Database.itemsc C sP t |t�r|�d�}z || jv W S tyJ | jd u rDtd�d �n� Y n0 d S )Nr6 r3 )r8 r9 r& r rO r rQ r r r � __contains__� s z_Database.__contains__c C s. z t | j�W S ty( td�d �Y n0 d S r2 )�iterr rO r r4 r r r �iterkeys s z_Database.iterkeysc C s. z t | j�W S ty( td�d �Y n0 d S r2 )rF r rO r r4 r r r �__len__ s z_Database.__len__c C sD z$| � � W d | _ | _ | _| _nd | _ | _ | _| _0 d S �N)r1 r r r r r4 r r r r s z_Database.closec C s | j �|| j� d S r\ )r �chmodr )r �filer r r r s z_Database._chmodc C s | S r\ r r4 r r r � __enter__ s z_Database.__enter__c G s | � � d S r\ )r )r �argsr r r �__exit__ s z_Database.__exit__N)r ) �__name__� __module__� __qualname__r r r r r r1 �syncr5 r> rH rI rK rP rR rT r- rX rZ �__iter__r[ r �__del__r r_ ra r r r r r # s2 % r r � c C sT zt �d�}t �|� W n ty* Y n 0 || @ }|dvrFtd��t| ||d�S )Nr )r r r r z)Flag must be one of 'r', 'w', 'c', or 'n')r )r �umask�AttributeError� ValueErrorr )r^ r r Zumr r r r " s )r rh )�astr% �ior �osr �collections.abc� collections�__all__rE r r �abc�MutableMappingr r r r r r �<module> s PK �b!\��jc� � __pycache__/ndbm.cpython-39.pycnu �[��� a �iF � @ s d Z ddlT dS )z+Provide the _dbm module as a dbm submodule.� )�*N)�__doc__�_dbm� r r � /usr/lib64/python3.9/dbm/ndbm.py�<module> s PK �b!\�*�� � $ __pycache__/gnu.cpython-39.opt-1.pycnu �[��� a �iH � @ s d Z ddlT dS )z,Provide the _gdbm module as a dbm submodule.� )�*N)�__doc__�_gdbm� r r � /usr/lib64/python3.9/dbm/gnu.py�<module> s PK �b!\܀ � � __pycache__/dumb.cpython-39.pycnu �[��� a �i- � @ sV d Z ddlZddlZddlZddlZddgZ dZ e Z G dd� dej j�Zd d d�ZdS ) a� A dumb and slow but simple dbm clone. For database spam, spam.dir contains the index (a text file), spam.bak *may* contain a backup of the index (also a text file), while spam.dat contains the data (a binary file). XXX TO DO: - seems to contain a bug when updating... - reclaim free space (currently, space once occupied by deleted or expanded items is never reused) - support concurrent access (currently, if two processes take turns making updates, they can mess up the index) - support efficient access to large databases (currently, the whole index is read when the database is opened, and some updates rewrite the whole index) - support opening for read-only (flag = 'm') � N�error�openi c @ s� e Zd ZeZeZd+dd�Zdd� Zdd� Zdd � ZeZ d d � Z d d � Z dd� Z dd� Z dd� Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � ZeZd d!� Zd"d#� ZeZd$d%� Zd&d'� Zd(d)� Zd*S ),� _Database�cc C sL || _ |dk| _|d | _|d | _|d | _d | _| �|� | �|� d S )N�rz.dirz.datz.bak)�_mode� _readonly�_dirfile�_datfile�_bakfile�_index�_create�_update)�selfZ filebasename�mode�flag� r � /usr/lib64/python3.9/dbm/dumb.py�__init__0 s z_Database.__init__c C s� |dkr@| j | j| jfD ]&}zt�|� W q ty< Y q0 qztj| j ddd�}W nZ ty� |dvrn� tj| j ddd�� }| �| j � W d � n1 s�0 Y Y n 0 |� � d S )N�nr �Latin-1��encoding�r r �w) r r r �_os�remove�OSError�_ior �_chmod�close)r r �filename�fr r r r I s 0z_Database._createc C s� d| _ i | _ztj| jddd�}W n" tyD |dvr:� d| _ Y nZ0 |�D |D ].}|�� }t�|�\}}|� d�}|| j|< qPW d � n1 s�0 Y d S )NFr r r r T) � _modifiedr r r r r �rstrip�_astZ literal_eval�encode)r r r" �line�key�pos_and_siz_pairr r r r \ s z_Database._updatec C s� | j d u s| jsd S z| j�| j� W n ty8 Y n0 z| j�| j| j� W n tyb Y n0 | jj | jddd��L}| � | j� | j � � D ]$\}}d|� d�|f }|� |� q�W d � n1 s�0 Y d S )Nr r r �%r, %r )r r# r �unlinkr r �renamer r r r �items�decode�write)r r" r( r) �entryr r r �_commitp s z_Database._commitc C s | j d u rtd��d S �N�"DBM object has already been closed)r r �r r r r � _verify_open� s z_Database._verify_openc C sp t |t�r|�d�}| �� | j| \}}t�| jd��$}|�|� |� |�}W d � n1 sb0 Y |S )N�utf-8�rb) � isinstance�strr& r5 r r r r �seek�read)r r( �pos�sizr" Zdatr r r � __getitem__� s (z_Database.__getitem__c C s� t �| jd��\}|�dd� t|�� �}|t d t t }|�d|| � |}|�|� W d � n1 sp0 Y |t|�fS )N�rb+r � � � ) r r r r: �int�tell� _BLOCKSIZEr/ �len)r �valr" r< Znposr r r �_addval� s (z_Database._addvalc C sN t �| jd��$}|�|� |�|� W d � n1 s80 Y |t|�fS )Nr? )r r r r: r/ rF )r r< rG r" r r r �_setval� s (z_Database._setvalc C sd || j |< tj| jddd��4}| �| j� |�d|�d�|f � W d � n1 sV0 Y d S )N�ar r r* )r r r r r r/ r. )r r( r) r" r r r �_addkey� s z_Database._addkeyc C s� | j rtd��t|t�r$|�d�}nt|ttf�s:td��t|t�rP|�d�}nt|ttf�sftd��| �� d| _ || j vr�| � || � |�� n^| j | \}}|t d t }t|�t d t }||kr�| �||�| j |< n| � |�| j |< d S )N�'The database is opened for reading onlyr6 z keys must be bytes or stringsz values must be bytes or stringsTrA )r r r8 r9 r& �bytes� bytearray� TypeErrorr5 r# r rK rH rE rF rI )r r( rG r< r= Z oldblocksZ newblocksr r r � __setitem__� s( z_Database.__setitem__c C sD | j rtd��t|t�r"|�d�}| �� d| _| j|= | �� d S )NrL r6 T) r r r8 r9 r& r5 r# r r1 �r r( r r r � __delitem__� s z_Database.__delitem__c C s. z t | j�W S ty( td�d �Y n0 d S r2 )�listr rO r r4 r r r �keys� s z_Database.keysc s � � � � fdd�� j�� D �S )Nc s g | ]}|� | f�qS r r )�.0r( r4 r r � <listcomp>� � z#_Database.items.<locals>.<listcomp>)r5 r rT r4 r r4 r r- � s z_Database.itemsc C sP t |t�r|�d�}z || jv W S tyJ | jd u rDtd�d �n� Y n0 d S )Nr6 r3 )r8 r9 r& r rO r rQ r r r � __contains__� s z_Database.__contains__c C s. z t | j�W S ty( td�d �Y n0 d S r2 )�iterr rO r r4 r r r �iterkeys s z_Database.iterkeysc C s. z t | j�W S ty( td�d �Y n0 d S r2 )rF r rO r r4 r r r �__len__ s z_Database.__len__c C sD z$| � � W d | _ | _ | _| _nd | _ | _ | _| _0 d S �N)r1 r r r r r4 r r r r s z_Database.closec C s | j �|| j� d S r\ )r �chmodr )r �filer r r r s z_Database._chmodc C s | S r\ r r4 r r r � __enter__ s z_Database.__enter__c G s | � � d S r\ )r )r �argsr r r �__exit__ s z_Database.__exit__N)r ) �__name__� __module__� __qualname__r r r r r r1 �syncr5 r> rH rI rK rP rR rT r- rX rZ �__iter__r[ r �__del__r r_ ra r r r r r # s2 % r r � c C sT zt �d�}t �|� W n ty* Y n 0 || @ }|dvrFtd��t| ||d�S )aE Open the database file, filename, and return corresponding object. The flag argument, used to control how the database is opened in the other DBM implementations, supports only the semantics of 'c' and 'n' values. Other values will default to the semantics of 'c' value: the database will always opened for update and will be created if it does not exist. The optional mode argument is the UNIX mode of the file, used only when the database has to be created. It defaults to octal code 0o666 (and will be modified by the prevailing umask). r )r r r r z)Flag must be one of 'r', 'w', 'c', or 'n')r )r �umask�AttributeError� ValueErrorr )r^ r r Zumr r r r " s )r rh )�__doc__�astr% �ior �osr �collections.abc� collections�__all__rE r r �abc�MutableMappingr r r r r r �<module> s PK �b!\��ǯ� � # __pycache__/__init__.cpython-39.pycnu �[��� a �i� � @ s� d Z g d�ZddlZddlZddlZddlZG dd� de�Zg d�Zda i Z ee fZzddl m Z W n eyz dZ Y n0 dd d �Zd d � Zedkr�ejdd� D ]Zeee�p�de� q�dS )aN Generic interface to all dbm clones. Use import dbm d = dbm.open(file, 'w', 0o666) The returned object is a dbm.gnu, dbm.ndbm or dbm.dumb object, dependent on the type of database being opened (determined by the whichdb function) in the case of an existing dbm. If the dbm does not exist and the create or new flag ('c' or 'n') was specified, the dbm type will be determined by the availability of the modules (tested in the above order). It has the following interface (key and data are strings): d[key] = data # store data at key (may override data at # existing key) data = d[key] # retrieve data at key (raise KeyError if no # such key) del d[key] # delete data stored at key (raises KeyError # if no such key) flag = key in d # true if the key exists list = d.keys() # return a list of all existing keys (slow!) Future versions may change the order in which implementations are tested for existence, and add interfaces to other dbm-like implementations. )�open�whichdb�error� Nc @ s e Zd ZdS )r N)�__name__� __module__� __qualname__� r r �$/usr/lib64/python3.9/dbm/__init__.pyr & s r )�dbm.gnu�dbm.ndbm�dbm.dumb)�ndbm�r� c C s� t du r\tD ]>}zt|dgd�}W n ty8 Y q Y n0 t sB|a |t|< q t s\tdt ��d|vrlt| �nd}|du r�d|v s�d|v r�t }q�td d��n:|d kr�td d ��n$|tvr�td d �|���nt| }|�| ||�S ) a� Open or create database at path given by *file*. Optional argument *flag* can be 'r' (default) for read-only access, 'w' for read-write access of an existing database, 'c' for read-write access to a new or existing database, and 'n' for read-write access to a new database. Note: 'r' and 'w' fail if the database doesn't exist; 'c' creates it only if it doesn't exist; and 'n' always creates a new database. Nr )�fromlistz no dbm clone found; tried %s�n�cr z=db file doesn't exist; use 'c' or 'n' flag to create a new db� z db type could not be determinedz/db type is {0}, but the module is not available) � _defaultmod�_names� __import__� ImportError�_modulesr r �formatr )�file�flag�mode�name�mod�resultr r r r 5 s0 �r c C s z6t �| d d�}|�� t �| d d�}|�� W dS ty� z>t �| d d�}|�� tdur�t�| �}|�� W Y dS W n ty� Y n0 Y n0 zvt�| d � t�| d �j}|dkr�W d S t �| d d�}z*|�d �d v r�W |�� W d S W |�� n |�� 0 W n t�y& Y n0 zt �| d�}W n t�yN Y dS 0 |� |�d �}W d � n1 �sv0 Y |dd � }t |�d k�r�dS zt � d|�\}W n t j �y� Y dS 0 |dv �r�dS zt � d|dd� �\}W n t j �y Y dS 0 dS )au Guess which db package to use to open a db file. Return values: - None if the database file can't be read; - empty string if the file can be read but can't be recognized - the name of the dbm submodule (e.g. "ndbm" or "gnu") if recognized. Importing the given module may still fail, and opening the database using that module may still fail. z.pag�rbz.dirr z.dbNz.datr r � )� '� "� � r z=l)iΚWi͚WiϚWr ���) �ior �close�OSErrorr �os�stat�st_size�read�len�struct�unpackr )�filename�f�d�sizeZs16�s�magicr r r r b sd �* r �__main__r! ZUNKNOWN)r r )�__doc__�__all__r' r* r/ �sys� Exceptionr r r r r) �dbmr r r r r �argvr1 �printr r r r �<module> s& -YPK �b!\�8�VH H gnu.pynu �[��� """Provide the _gdbm module as a dbm submodule.""" from _gdbm import * PK �b!\��F F ndbm.pynu �[��� """Provide the _dbm module as a dbm submodule.""" from _dbm import * PK �b!\[- - dumb.pynu �[��� """A dumb and slow but simple dbm clone. For database spam, spam.dir contains the index (a text file), spam.bak *may* contain a backup of the index (also a text file), while spam.dat contains the data (a binary file). XXX TO DO: - seems to contain a bug when updating... - reclaim free space (currently, space once occupied by deleted or expanded items is never reused) - support concurrent access (currently, if two processes take turns making updates, they can mess up the index) - support efficient access to large databases (currently, the whole index is read when the database is opened, and some updates rewrite the whole index) - support opening for read-only (flag = 'm') """ import ast as _ast import io as _io import os as _os import collections.abc __all__ = ["error", "open"] _BLOCKSIZE = 512 error = OSError class _Database(collections.abc.MutableMapping): # The on-disk directory and data files can remain in mutually # inconsistent states for an arbitrarily long time (see comments # at the end of __setitem__). This is only repaired when _commit() # gets called. One place _commit() gets called is from __del__(), # and if that occurs at program shutdown time, module globals may # already have gotten rebound to None. Since it's crucial that # _commit() finish successfully, we can't ignore shutdown races # here, and _commit() must not reference any globals. _os = _os # for _commit() _io = _io # for _commit() def __init__(self, filebasename, mode, flag='c'): self._mode = mode self._readonly = (flag == 'r') # The directory file is a text file. Each line looks like # "%r, (%d, %d)\n" % (key, pos, siz) # where key is the string key, pos is the offset into the dat # file of the associated value's first byte, and siz is the number # of bytes in the associated value. self._dirfile = filebasename + '.dir' # The data file is a binary file pointed into by the directory # file, and holds the values associated with keys. Each value # begins at a _BLOCKSIZE-aligned byte offset, and is a raw # binary 8-bit string value. self._datfile = filebasename + '.dat' self._bakfile = filebasename + '.bak' # The index is an in-memory dict, mirroring the directory file. self._index = None # maps keys to (pos, siz) pairs # Handle the creation self._create(flag) self._update(flag) def _create(self, flag): if flag == 'n': for filename in (self._datfile, self._bakfile, self._dirfile): try: _os.remove(filename) except OSError: pass # Mod by Jack: create data file if needed try: f = _io.open(self._datfile, 'r', encoding="Latin-1") except OSError: if flag not in ('c', 'n'): raise with _io.open(self._datfile, 'w', encoding="Latin-1") as f: self._chmod(self._datfile) else: f.close() # Read directory file into the in-memory index dict. def _update(self, flag): self._modified = False self._index = {} try: f = _io.open(self._dirfile, 'r', encoding="Latin-1") except OSError: if flag not in ('c', 'n'): raise self._modified = True else: with f: for line in f: line = line.rstrip() key, pos_and_siz_pair = _ast.literal_eval(line) key = key.encode('Latin-1') self._index[key] = pos_and_siz_pair # Write the index dict to the directory file. The original directory # file (if any) is renamed with a .bak extension first. If a .bak # file currently exists, it's deleted. def _commit(self): # CAUTION: It's vital that _commit() succeed, and _commit() can # be called from __del__(). Therefore we must never reference a # global in this routine. if self._index is None or not self._modified: return # nothing to do try: self._os.unlink(self._bakfile) except OSError: pass try: self._os.rename(self._dirfile, self._bakfile) except OSError: pass with self._io.open(self._dirfile, 'w', encoding="Latin-1") as f: self._chmod(self._dirfile) for key, pos_and_siz_pair in self._index.items(): # Use Latin-1 since it has no qualms with any value in any # position; UTF-8, though, does care sometimes. entry = "%r, %r\n" % (key.decode('Latin-1'), pos_and_siz_pair) f.write(entry) sync = _commit def _verify_open(self): if self._index is None: raise error('DBM object has already been closed') def __getitem__(self, key): if isinstance(key, str): key = key.encode('utf-8') self._verify_open() pos, siz = self._index[key] # may raise KeyError with _io.open(self._datfile, 'rb') as f: f.seek(pos) dat = f.read(siz) return dat # Append val to the data file, starting at a _BLOCKSIZE-aligned # offset. The data file is first padded with NUL bytes (if needed) # to get to an aligned offset. Return pair # (starting offset of val, len(val)) def _addval(self, val): with _io.open(self._datfile, 'rb+') as f: f.seek(0, 2) pos = int(f.tell()) npos = ((pos + _BLOCKSIZE - 1) // _BLOCKSIZE) * _BLOCKSIZE f.write(b'\0'*(npos-pos)) pos = npos f.write(val) return (pos, len(val)) # Write val to the data file, starting at offset pos. The caller # is responsible for ensuring that there's enough room starting at # pos to hold val, without overwriting some other value. Return # pair (pos, len(val)). def _setval(self, pos, val): with _io.open(self._datfile, 'rb+') as f: f.seek(pos) f.write(val) return (pos, len(val)) # key is a new key whose associated value starts in the data file # at offset pos and with length siz. Add an index record to # the in-memory index dict, and append one to the directory file. def _addkey(self, key, pos_and_siz_pair): self._index[key] = pos_and_siz_pair with _io.open(self._dirfile, 'a', encoding="Latin-1") as f: self._chmod(self._dirfile) f.write("%r, %r\n" % (key.decode("Latin-1"), pos_and_siz_pair)) def __setitem__(self, key, val): if self._readonly: raise error('The database is opened for reading only') if isinstance(key, str): key = key.encode('utf-8') elif not isinstance(key, (bytes, bytearray)): raise TypeError("keys must be bytes or strings") if isinstance(val, str): val = val.encode('utf-8') elif not isinstance(val, (bytes, bytearray)): raise TypeError("values must be bytes or strings") self._verify_open() self._modified = True if key not in self._index: self._addkey(key, self._addval(val)) else: # See whether the new value is small enough to fit in the # (padded) space currently occupied by the old value. pos, siz = self._index[key] oldblocks = (siz + _BLOCKSIZE - 1) // _BLOCKSIZE newblocks = (len(val) + _BLOCKSIZE - 1) // _BLOCKSIZE if newblocks <= oldblocks: self._index[key] = self._setval(pos, val) else: # The new value doesn't fit in the (padded) space used # by the old value. The blocks used by the old value are # forever lost. self._index[key] = self._addval(val) # Note that _index may be out of synch with the directory # file now: _setval() and _addval() don't update the directory # file. This also means that the on-disk directory and data # files are in a mutually inconsistent state, and they'll # remain that way until _commit() is called. Note that this # is a disaster (for the database) if the program crashes # (so that _commit() never gets called). def __delitem__(self, key): if self._readonly: raise error('The database is opened for reading only') if isinstance(key, str): key = key.encode('utf-8') self._verify_open() self._modified = True # The blocks used by the associated value are lost. del self._index[key] # XXX It's unclear why we do a _commit() here (the code always # XXX has, so I'm not changing it). __setitem__ doesn't try to # XXX keep the directory file in synch. Why should we? Or # XXX why shouldn't __setitem__? self._commit() def keys(self): try: return list(self._index) except TypeError: raise error('DBM object has already been closed') from None def items(self): self._verify_open() return [(key, self[key]) for key in self._index.keys()] def __contains__(self, key): if isinstance(key, str): key = key.encode('utf-8') try: return key in self._index except TypeError: if self._index is None: raise error('DBM object has already been closed') from None else: raise def iterkeys(self): try: return iter(self._index) except TypeError: raise error('DBM object has already been closed') from None __iter__ = iterkeys def __len__(self): try: return len(self._index) except TypeError: raise error('DBM object has already been closed') from None def close(self): try: self._commit() finally: self._index = self._datfile = self._dirfile = self._bakfile = None __del__ = close def _chmod(self, file): self._os.chmod(file, self._mode) def __enter__(self): return self def __exit__(self, *args): self.close() def open(file, flag='c', mode=0o666): """Open the database file, filename, and return corresponding object. The flag argument, used to control how the database is opened in the other DBM implementations, supports only the semantics of 'c' and 'n' values. Other values will default to the semantics of 'c' value: the database will always opened for update and will be created if it does not exist. The optional mode argument is the UNIX mode of the file, used only when the database has to be created. It defaults to octal code 0o666 (and will be modified by the prevailing umask). """ # Modify mode depending on the umask try: um = _os.umask(0) _os.umask(um) except AttributeError: pass else: # Turn off any bits that are set in the umask mode = mode & (~um) if flag not in ('r', 'w', 'c', 'n'): raise ValueError("Flag must be one of 'r', 'w', 'c', or 'n'") return _Database(file, mode, flag=flag) PK �b!\��� � __init__.pynu �[��� """Generic interface to all dbm clones. Use import dbm d = dbm.open(file, 'w', 0o666) The returned object is a dbm.gnu, dbm.ndbm or dbm.dumb object, dependent on the type of database being opened (determined by the whichdb function) in the case of an existing dbm. If the dbm does not exist and the create or new flag ('c' or 'n') was specified, the dbm type will be determined by the availability of the modules (tested in the above order). It has the following interface (key and data are strings): d[key] = data # store data at key (may override data at # existing key) data = d[key] # retrieve data at key (raise KeyError if no # such key) del d[key] # delete data stored at key (raises KeyError # if no such key) flag = key in d # true if the key exists list = d.keys() # return a list of all existing keys (slow!) Future versions may change the order in which implementations are tested for existence, and add interfaces to other dbm-like implementations. """ __all__ = ['open', 'whichdb', 'error'] import io import os import struct import sys class error(Exception): pass _names = ['dbm.gnu', 'dbm.ndbm', 'dbm.dumb'] _defaultmod = None _modules = {} error = (error, OSError) try: from dbm import ndbm except ImportError: ndbm = None def open(file, flag='r', mode=0o666): """Open or create database at path given by *file*. Optional argument *flag* can be 'r' (default) for read-only access, 'w' for read-write access of an existing database, 'c' for read-write access to a new or existing database, and 'n' for read-write access to a new database. Note: 'r' and 'w' fail if the database doesn't exist; 'c' creates it only if it doesn't exist; and 'n' always creates a new database. """ global _defaultmod if _defaultmod is None: for name in _names: try: mod = __import__(name, fromlist=['open']) except ImportError: continue if not _defaultmod: _defaultmod = mod _modules[name] = mod if not _defaultmod: raise ImportError("no dbm clone found; tried %s" % _names) # guess the type of an existing database, if not creating a new one result = whichdb(file) if 'n' not in flag else None if result is None: # db doesn't exist or 'n' flag was specified to create a new db if 'c' in flag or 'n' in flag: # file doesn't exist and the new flag was used so use default type mod = _defaultmod else: raise error[0]("db file doesn't exist; " "use 'c' or 'n' flag to create a new db") elif result == "": # db type cannot be determined raise error[0]("db type could not be determined") elif result not in _modules: raise error[0]("db type is {0}, but the module is not " "available".format(result)) else: mod = _modules[result] return mod.open(file, flag, mode) def whichdb(filename): """Guess which db package to use to open a db file. Return values: - None if the database file can't be read; - empty string if the file can be read but can't be recognized - the name of the dbm submodule (e.g. "ndbm" or "gnu") if recognized. Importing the given module may still fail, and opening the database using that module may still fail. """ # Check for ndbm first -- this has a .pag and a .dir file try: f = io.open(filename + ".pag", "rb") f.close() f = io.open(filename + ".dir", "rb") f.close() return "dbm.ndbm" except OSError: # some dbm emulations based on Berkeley DB generate a .db file # some do not, but they should be caught by the bsd checks try: f = io.open(filename + ".db", "rb") f.close() # guarantee we can actually open the file using dbm # kind of overkill, but since we are dealing with emulations # it seems like a prudent step if ndbm is not None: d = ndbm.open(filename) d.close() return "dbm.ndbm" except OSError: pass # Check for dumbdbm next -- this has a .dir and a .dat file try: # First check for presence of files os.stat(filename + ".dat") size = os.stat(filename + ".dir").st_size # dumbdbm files with no keys are empty if size == 0: return "dbm.dumb" f = io.open(filename + ".dir", "rb") try: if f.read(1) in (b"'", b'"'): return "dbm.dumb" finally: f.close() except OSError: pass # See if the file exists, return None if not try: f = io.open(filename, "rb") except OSError: return None with f: # Read the start of the file -- the magic number s16 = f.read(16) s = s16[0:4] # Return "" if not at least 4 bytes if len(s) != 4: return "" # Convert to 4-byte int in native byte order -- return "" if impossible try: (magic,) = struct.unpack("=l", s) except struct.error: return "" # Check for GNU dbm if magic in (0x13579ace, 0x13579acd, 0x13579acf): return "dbm.gnu" # Later versions of Berkeley db hash file have a 12-byte pad in # front of the file type try: (magic,) = struct.unpack("=l", s16[-4:]) except struct.error: return "" # Unknown return "" if __name__ == "__main__": for filename in sys.argv[1:]: print(whichdb(filename) or "UNKNOWN", filename) PK �b!\v$ {� � % __pycache__/ndbm.cpython-39.opt-2.pycnu �[��� PK �b!\ \`�� � ) � __pycache__/__init__.cpython-39.opt-2.pycnu �[��� PK �b!\��K�� � $ 0 __pycache__/gnu.cpython-39.opt-2.pycnu �[��� PK �b!\܀ � � % __pycache__/dumb.cpython-39.opt-1.pycnu �[��� PK �b!\�*�� � T* __pycache__/gnu.cpython-39.pycnu �[��� PK �b!\��jc� � % o+ __pycache__/ndbm.cpython-39.opt-1.pycnu �[��� PK �b!\��ǯ� � ) �, __pycache__/__init__.cpython-39.opt-1.pycnu �[��� PK �b!\8dS}� � % r= __pycache__/dumb.cpython-39.opt-2.pycnu �[��� PK �b!\��jc� � �W __pycache__/ndbm.cpython-39.pycnu �[��� PK �b!\�*�� � $ �X __pycache__/gnu.cpython-39.opt-1.pycnu �[��� PK �b!\܀ � � �Y __pycache__/dumb.cpython-39.pycnu �[��� PK �b!\��ǯ� � # y __pycache__/__init__.cpython-39.pycnu �[��� PK �b!\�8�VH H �� gnu.pynu �[��� PK �b!\��F F x� ndbm.pynu �[��� PK �b!\[- - �� dumb.pynu �[��� PK �b!\��� � <� __init__.pynu �[��� PK � F�
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