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opt
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alt
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python33
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lib64
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python3.3
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dbm
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__pycache__
dumb.cpython-33.pyc
� �� f�% c @ sq d Z d d l Z d d l Z d d l Z d d g Z d Z e Z Gd d � d e j � Z d d d d � Z d S( u� 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') i Nu erroru openi c B s� | Ee Z d Z e Z e Z d d � Z d d � Z d d � Z e Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z e Z d d � Z d d � Z e Z d d � Z d! S(" u _Databasec C s� | | _ | d | _ | d | _ | d | _ d | _ y t j | j d d d �} Wn= t k r� t j | j d d d �} | j | j � Yn X| j � | j � d S( Nu .diru .datu .baku ru encodingu Latin-1u w( u _modeu _dirfileu _datfileu _bakfileu Noneu _indexu _iou openu IOErroru _chmodu closeu _update( u selfu filebasenameu modeu f( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu __init__/ s u _Database.__init__c C s� i | _ y t j | j d d d �} Wn t k r< YnV XxH | D]@ } | j � } t | � \ } } | j d � } | | j | <qD W| j � d S( Nu ru encodingu Latin-1( u _indexu _iou openu _dirfileu IOErroru rstripu evalu encodeu close( u selfu fu lineu keyu pos_and_siz_pair( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu _updateM s u _Database._updatec C s� | j d k r d Sy | j j | j � Wn | j j k rD Yn Xy | j j | j | j � Wn | j j k r| Yn X| j j | j d d d �} | j | j � x= | j j � D], \ } } | j d | j d � | f � q� W| j � d S( Nu wu encodingu Latin-1u %r, %r ( u _indexu Noneu _osu unlinku _bakfileu erroru renameu _dirfileu _iou openu _chmodu itemsu writeu decodeu close( u selfu fu keyu pos_and_siz_pair( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu _commit^ s $u _Database._commitc C ss t | t � r! | j d � } n | j | \ } } t j | j d � } | j | � | j | � } | j � | S( Nu utf-8u rb( u isinstanceu stru encodeu _indexu _iou openu _datfileu seeku readu close( u selfu keyu posu sizu fu dat( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu __getitem__y s u _Database.__getitem__c C s� t j | j d � } | j d d � t | j � � } | t d t t } | j d | | � | } | j | � | j � | t | � f S( Nu rb+i i i s ( u _iou openu _datfileu seeku intu tellu _BLOCKSIZEu writeu closeu len( u selfu valu fu posu npos( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu _addval� s u _Database._addvalc C sI t j | j d � } | j | � | j | � | j � | t | � f S( Nu rb+( u _iou openu _datfileu seeku writeu closeu len( u selfu posu valu f( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu _setval� s u _Database._setvalc C sf | | j | <t j | j d d d �} | j | j � | j d | j d � | f � | j � d S( Nu au encodingu Latin-1u %r, %r ( u _indexu _iou openu _dirfileu _chmodu writeu decodeu close( u selfu keyu pos_and_siz_pairu f( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu _addkey� s u _Database._addkeyc C s4 t | t � r! | j d � } n$ t | t t f � sE t d � � n t | t � rf | j d � } n$ t | t t f � s� t d � � n | | j k r� | j | | j | � � n{ | j | \ } } | t d t } t | � t d t } | | k r| j | | � | j | <n | j | � | j | <d S( Nu utf-8u keys must be bytes or stringsu values must be bytes or stringsi ( u isinstanceu stru encodeu bytesu bytearrayu TypeErroru _indexu _addkeyu _addvalu _BLOCKSIZEu lenu _setval( u selfu keyu valu posu sizu oldblocksu newblocks( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu __setitem__� s u _Database.__setitem__c C s9 t | t � r! | j d � } n | j | =| j � d S( Nu utf-8( u isinstanceu stru encodeu _indexu _commit( u selfu key( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu __delitem__� s u _Database.__delitem__c C s t | j j � � S( N( u listu _indexu keys( u self( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu keys� s u _Database.keysc s � f d d � � j j � D� S( Nc s g | ] } | � | f � q S( ( ( u .0u key( u self( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu <listcomp>� s u# _Database.items.<locals>.<listcomp>( u _indexu keys( u self( ( u selfu- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu items� s u _Database.itemsc C s. t | t � r! | j d � } n | | j k S( Nu utf-8( u isinstanceu stru encodeu _index( u selfu key( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu __contains__� s u _Database.__contains__c C s t | j j � � S( N( u iteru _indexu keys( u self( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu iterkeys� s u _Database.iterkeysc C s t | j � S( N( u lenu _index( u self( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu __len__� s u _Database.__len__c C s, | j � d | _ | _ | _ | _ d S( N( u _commitu Noneu _indexu _datfileu _dirfileu _bakfile( u self( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu close� s u _Database.closec C s/ t | j d � r+ | j j | | j � n d S( Nu chmod( u hasattru _osu chmodu _mode( u selfu file( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu _chmod� s u _Database._chmodN( u __name__u __module__u __qualname__u _osu _iou __init__u _updateu _commitu syncu __getitem__u _addvalu _setvalu _addkeyu __setitem__u __delitem__u keysu itemsu __contains__u iterkeysu __iter__u __len__u closeu __del__u _chmod( u __locals__( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu _Database" s* ! u _Databasei� c C sM y t j d � } t j | � Wn t k r4 Yn X| | @} t | | � S( u� 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, is ignored in the dbm.dumb module; the database is 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). i ( u _osu umasku AttributeErroru _Database( u fileu flagu modeu um( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu open� s ( u __doc__u iou _iou osu _osu collectionsu __all__u _BLOCKSIZEu IOErroru erroru MutableMappingu _Databaseu Noneu open( ( ( u- /opt/alt/python33/lib64/python3.3/dbm/dumb.pyu <module> s �
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