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Editing: item.cpython-310.pyc
o ckF[� � @ s d dl Z G dd� de�ZdS )� Nc @ sT e Zd ZdZddd�Zdd� Zdd � Zd d � Zd d � Zddd�Z dd� Z dd� Z dS )�Itemat A ``dict`` sub-class that serves as an object representation of a SimpleDB item. An item in SDB is similar to a row in a relational database. Items belong to a :py:class:`Domain <boto.sdb.domain.Domain>`, which is similar to a table in a relational database. The keys on instances of this object correspond to attributes that are stored on the SDB item. .. tip:: While it is possible to instantiate this class directly, you may want to use the convenience methods on :py:class:`boto.sdb.domain.Domain` for that purpose. For example, :py:meth:`boto.sdb.domain.Domain.get_item`. � Fc C s> t �| � || _|| _|| _d| _d| _d| _| jjj | _ dS )a5 :type domain: :py:class:`boto.sdb.domain.Domain` :param domain: The domain that this item belongs to. :param str name: The name of this item. This name will be used when querying for items using methods like :py:meth:`boto.sdb.domain.Domain.get_item` NF) �dict�__init__�domain�name�active� request_id�encoding� in_attribute� connection� converter)�selfr r r � r �//usr/lib/python3/dist-packages/boto/sdb/item.pyr & s z Item.__init__c C s |dkrd| _ |�dd �| _d S )N� AttributeTr )r �getr )r r �attrsr r r r � startElement8 s zItem.startElementc C s | j dkr d | _ t�|�S |S )N�base64)r r � decodestring)r �valuer r r � decode_value> s zItem.decode_valuec C s6 |dkr | � |�| _d S |dkr#| jr| � |�| _d S | � |�| _d S |dkrj| j| v rUt| | j t�s=| | j g| | j< | � |�}| jrK| j�|�}| | j �|� d S | � |�}| jrc| j�|�}|| | j< d S |dkr�z | j t |�7 _ W d S Y d S |dkr�|| _ d S |dkr�d| _d S t | ||� d S )N�ItemName�Name�Value�BoxUsage� RequestIdr F) r r r �last_key� isinstance�listr �decode�append� box_usage�floatr �setattr)r r r r r r r � endElementE s8 zItem.endElementc C s | j j| j| d� dS )aR Loads or re-loads this item's attributes from SDB. .. warning:: If you have changed attribute values on an Item instance, this method will over-write the values if they are different in SDB. For any local attributes that don't yet exist in SDB, they will be safe. )�itemN)r �get_attributesr �r r r r �loadf s z Item.loadTc C sb | j �| j| |� |r-g }| D ] }| | du r |�|� qt|�dkr/| j �| j|� dS dS dS )z� Saves this item to SDB. :param bool replace: If ``True``, delete any attributes on the remote SDB item that have a ``None`` value on this object. Nr )r �put_attributesr r" �len�delete_attributes)r �replace� del_attrsr r r r �saver s � �z Item.savec C sB || v rt | | t�s| | g| |< | | �|� dS || |< dS )a� Helps set or add to attributes on this item. If you are adding a new attribute that has yet to be set, it will simply create an attribute named ``key`` with your given ``value`` as its value. If you are adding a value to an existing attribute, this method will convert the attribute to a list (if it isn't already) and append your new value to said list. For clarification, consider the following interactive session: .. code-block:: python >>> item = some_domain.get_item('some_item') >>> item.has_key('some_attr') False >>> item.add_value('some_attr', 1) >>> item['some_attr'] 1 >>> item.add_value('some_attr', 2) >>> item['some_attr'] [1, 2] :param str key: The attribute to add a value to. :param object value: The value to set or append to the attribute. N)r r r" )r �keyr r r r � add_value� s zItem.add_valuec C s | j �| � dS )z� Deletes this item in SDB. .. note:: This local Python object remains in its current state after deletion, this only deletes the remote item in SDB. N)r � delete_itemr) r r r �delete� s z Item.deleteN)r F)T) �__name__� __module__� __qualname__�__doc__r r r r& r* r0 r2 r4 r r r r r s ! 'r )r r r r r r r �<module> s
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