Edit File: dumb.cpython-37.opt-2.pyc
B YI~d�/ � @ 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$d%� Zd&d'� Zd(d)� Zd*S ),� _Database�cc C sL || _ |dk| _|d | _|d | _|d | _d | _| �|� | �|� d S )N�rz.dirz.datz.bak)�_mode� _readonly�_dirfile�_datfile�_bakfile�_index�_create�_update)�selfZ filebasename�mode�flag� r �-/opt/alt/python37/lib64/python3.7/dbm/dumb.py�__init__0 s z_Database.__init__c C s� |dkrFx<| j | j| jfD ](}yt�|� W q tk r@ Y qX qW ytj| j ddd�}W n^ tk r� |dkr�dd l}|j dt dd � tj| j d dd��}| � | j � W d Q R X Y n X |� � d S ) N�nr zLatin-1)�encoding)r r r zIThe database file is missing, the semantics of the 'c' flag will be used.� )� stacklevel�w) r r r �_os�remove�OSError�_ior �warnings�warn�DeprecationWarning�_chmod�close)r r �filename�fr r r r r I s z_Database._createc C s� i | _ ytj| jddd�}W n> tk rZ | j | _|dkrVdd l}|jdt dd� Y nPX d | _|�> x6|D ].}|� � }t � |�\}}|� d�}|| j |< qnW W d Q R X d S ) Nr zLatin-1)r )r r r zFThe index file is missing, the semantics of the 'c' flag will be used.r )r F)r r r r r r � _modifiedr r r �rstrip�_astZ literal_eval�encode)r r r$ r �line�key�pos_and_siz_pairr r r r _ s z_Database._updatec C s� | j d ks| jsd S y| j�| j� W n tk r: Y nX y| j�| j| j� W n tk rf Y nX | jj | jddd��F}| � | j� x2| j � � D ]$\}}d|� d�|f }|� |� q�W W d Q R X d S )Nr zLatin-1)r z%r, %r )r r% r �unlinkr r �renamer r r r! �items�decode�write)r r$ r* r+ �entryr r r �_commitv s z_Database._commitc C s | j d krtd��d S )Nz"DBM object has already been closed)r r )r r r r � _verify_open� s z_Database._verify_openc C s\ t |t�r|�d�}| �� | j| \}}t�| jd��}|�|� |� |�}W d Q R X |S )Nzutf-8�rb) � isinstance�strr( r3 r r r r �seek�read)r r* �pos�sizr$ Zdatr r r � __getitem__� s z_Database.__getitem__c C sr t �| jd��R}|�dd� t|�� �}|t d t t }|�d|| � |}|�|� W d Q R X |t|�fS )Nzrb+r � � � ) r r r r7 �int�tell� _BLOCKSIZEr0 �len)r �valr$ r9 Znposr r r �_addval� s z_Database._addvalc C s: t �| jd��}|�|� |�|� W d Q R X |t|�fS )Nzrb+)r r r r7 r0 rB )r r9 rC r$ r r r �_setval� s z_Database._setvalc C sP || j |< tj| jddd��*}| �| j� |�d|�d�|f � W d Q R X d S )N�azLatin-1)r z%r, %r )r r r r r! r0 r/ )r r* r+ r$ r r r �_addkey� s z_Database._addkeyc C s | j r dd l}|jdtdd� t|t�r4|�d�}nt|ttf�sJt d��t|t�r`|�d�}nt|ttf�svt d��| � � d| _ || j kr�| � || �|�� n^| j | \}}|t d t }t|�t d t }||kr�| �||�| j |< n| �|�| j |< d S ) Nr z'The database is opened for reading onlyr< )r zutf-8z keys must be bytes or stringsz values must be bytes or stringsTr= )r r r r r5 r6 r( �bytes� bytearray� TypeErrorr3 r% r rG rD rA rB rE )r r* rC r r9 r: Z oldblocksZ newblocksr r r � __setitem__� s, z_Database.__setitem__c C sT | j r dd l}|jdtdd� t|t�r2|�d�}| �� d| _| j |= | � � d S )Nr z'The database is opened for reading onlyr< )r zutf-8T) r r r r r5 r6 r( r3 r% r r2 )r r* r r r r � __delitem__� s z_Database.__delitem__c C s. y t | j�S tk r( td�d �Y nX d S )Nz"DBM object has already been closed)�listr rJ r )r r r r �keys� s z_Database.keysc s � � � � fdd�� j�� D �S )Nc s g | ]}|� | f�qS r r )�.0r* )r r r � <listcomp> s z#_Database.items.<locals>.<listcomp>)r3 r rN )r r )r r r. � s z_Database.itemsc C sP t |t�r|�d�}y || jkS tk rJ | jd krDtd�d �n� Y nX d S )Nzutf-8z"DBM object has already been closed)r5 r6 r( r rJ r )r r* r r r � __contains__ s z_Database.__contains__c C s. y t | j�S tk r( td�d �Y nX d S )Nz"DBM object has already been closed)�iterr rJ r )r r r r �iterkeys s z_Database.iterkeysc C s. y t | j�S tk r( td�d �Y nX d S )Nz"DBM object has already been closed)rB r rJ r )r r r r �__len__ s z_Database.__len__c C s, z | � � W d d | _ | _ | _| _X d S )N)r2 r r r r )r r r r r" s z_Database.closec C s t | jd�r | j�|| j� d S )N�chmod)�hasattrr rU r )r �filer r r r! " s z_Database._chmodc C s | S )Nr )r r r r � __enter__& s z_Database.__enter__c G s | � � d S )N)r" )r �argsr r r �__exit__) s z_Database.__exit__N)r ) �__name__� __module__� __qualname__r r r r r r2 �syncr3 r; rD rE rG rK rL rN r. rQ rS �__iter__rT r" �__del__r! rX rZ r r r r r # s2 ' r r � c C sf yt �d�}t �|� W n tk r, Y n X || @ }|dkrXdd l}|jdtdd� t| ||d�S )Nr )r r r r z)Flag must be one of 'r', 'w', 'c', or 'n'r< )r )r )r �umask�AttributeErrorr r r r )rW r r Zumr r r r r - s )r ra )Zastr' �ior �osr Zcollections.abc� collections�__all__rA r r �abc�MutableMappingr r r r r r �<module> s
Back to File Manager