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Editing: dumb.cpython-35.opt-2.pyc
���]�+ � @ sw d d l 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) � N�error�openi c @ s! e Z d Z e Z e Z d d d � 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 d d � Z e Z d d! � Z d" d# � Z e Z d$ d% � Z d& d' � Z d( d) � Z d* S)+� _Database�cc C sc | | _ | d k | _ | d | _ | d | _ | d | _ d | _ | j | � | j � d S)N�rz.dirz.datz.bak)�_mode� _readonly�_dirfile�_datfile�_bakfile�_index�_create�_update)�selfZ filebasename�mode�flag� r �)/opt/alt/python35/lib64/python3.5/dumb.py�__init__0 s z_Database.__init__c C s� | d k rU xF | j | j | j f D], } y t j | � Wq% t k rP Yq% Xq% Wy t j | j d d d �} WnG t k r� t j | j d d d �� } | j | j � Wd QRXYn X| j � d S)N�nr �encodingzLatin-1�w) r r r �_os�remove�OSError�_ior �_chmod�close)r r �filename�fr r r r I s z_Database._createc C s� i | _ y t j | j d d d �} Wn t k rI | j | _ Ynf Xd | _ | �S xK | D]C } | j � } t j | � \ } } | j d � } | | j | <qa WWd QRXd S)Nr r zLatin-1F) r r r r r r � _modified�rstrip�_astZ literal_eval�encode)r r �line�key�pos_and_siz_pairr r r r Z s z_Database._updatec C s� | j d k s | j r d Sy | j j | j � Wn t k rH Yn Xy | j j | j | j � Wn t k rz Yn X| j j | j d d d ��] } | j | j � xC | j j � D]2 \ } } d | j d � | f } | j | � q� WWd QRXd S)Nr r zLatin-1z%r, %r )r r r �unlinkr r �renamer r r r �items�decode�write)r r r% r& �entryr r r �_commitl s ! z_Database._commitc C s | j d k r t d � � d S)Nz"DBM object has already been closed)r r )r r r r � _verify_open� s z_Database._verify_openc C sz t | t � r | j d � } | j � | j | \ } } t j | j d � �# } | j | � | j | � } Wd QRX| S)Nzutf-8�rb) � isinstance�strr# r. r r r r �seek�read)r r% �pos�sizr Zdatr r r � __getitem__� s z_Database.__getitem__c C s� t j | j d � �g } | j d d � t | j � � } | t d t t } | j d | | � | } | j | � Wd QRX| t | � f S)Nzrb+r � � s ) r r r r2 �int�tell� _BLOCKSIZEr+ �len)r �valr r4 Znposr r r �_addval� s z_Database._addvalc C sI t j | j d � �! } | j | � | j | � Wd QRX| t | � f S)Nzrb+)r r r r2 r+ r< )r r4 r= r r r r �_setval� s z_Database._setvalc C sf | | j | <t j | j d d d ��7 } | j | j � | j d | j d � | f � Wd QRXd S)N�ar zLatin-1z%r, %r )r r r r r r+ r* )r r% r& r r r r �_addkey� s z_Database._addkeyc C sA t | t � r! | j d � } n! t | t t f � sB t d � � t | t � rc | j d � } n! t | t t f � s� t d � � | j � d | _ | | j k r� | j | | j | � � n{ | j | \ } } | t d t } t | � t d t } | | k r'| j | | � | j | <n | j | � | j | <d S)Nzutf-8z keys must be bytes or stringsz values must be bytes or stringsTr8 )r0 r1 r# �bytes� bytearray� TypeErrorr. r r rA r> r; r< r? )r r% r= r4 r5 Z oldblocksZ newblocksr r r � __setitem__� s$ z_Database.__setitem__c C sI t | t � r | j d � } | j � d | _ | j | =| j � d S)Nzutf-8T)r0 r1 r# r. r r r- )r r% r r r � __delitem__� s z_Database.__delitem__c C s9 y t | j � SWn! t k r4 t d � d � Yn Xd S)Nz"DBM object has already been closed)�listr rD r )r r r r �keys� s z_Database.keysc s* � j � � f d d � � j j � D� S)Nc s g | ] } | � | f � q Sr r )�.0r% )r r r � <listcomp>� s z#_Database.items.<locals>.<listcomp>)r. r rH )r r )r r r) � s z_Database.itemsc C sl t | t � r | j d � } y | | j k SWn6 t k rg | j d k r` t d � d � n � Yn Xd S)Nzutf-8z"DBM object has already been closed)r0 r1 r# r rD r )r r% r r r � __contains__� s z_Database.__contains__c C s9 y t | j � SWn! t k r4 t d � d � Yn Xd S)Nz"DBM object has already been closed)�iterr rD r )r r r r �iterkeys� s z_Database.iterkeysc C s9 y t | j � SWn! t k r4 t d � d � Yn Xd S)Nz"DBM object has already been closed)r< r rD r )r r r r �__len__ s z_Database.__len__c C s4 z | j � Wd d | _ | _ | _ | _ Xd S)N)r- r r r r )r r r r r s z_Database.closec C s, t | j d � r( | j j | | j � d S)N�chmod)�hasattrr rO 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 | j � d S)N)r )r �argsr r r �__exit__ s z_Database.__exit__N) �__name__� __module__� __qualname__r r r r r r- �syncr. r6 r> r? rA rE rF rH r) rK rM �__iter__rN r �__del__r rR rT r r r r r # s2 # r r i� c C sS y t j d � } t j | � Wn t k r4 Yn X| | @} t | | d | �S)Nr r )r �umask�AttributeErrorr )rQ r r Zumr r r r s )Zastr" �ior �osr � collections�__all__r; r r �MutableMappingr r r r r r �<module> s �
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