o ʷ6i*@s\ddlZddlmZddlmZmZmZddlmZm Z d ddZ dd Z Gd d d Z dS) N)settings)ThumbnailError deserialize serialize)deserialize_image_fileserialize_image_fileimagecCsdtj||gS)z" Adds prefixes to the key ||)joinrTHUMBNAIL_KEY_PREFIX)keyidentityra/var/www/hoanhtaovolam_webdjango/env/lib/python3.10/site-packages/sorl/thumbnail/kvstores/base.py add_prefixsrcCs|ddS)z' Removes prefixes from the key r )split)r rrr del_prefixsrc@seZdZddZddZd&ddZdd Zd'd d Zd dZddZ ddZ ddZ d(ddZ d(ddZ d(ddZd(ddZddZd d!Zd"d#Zd$d%ZdS)) KVStoreBasecCs$t|ddstjdtdddSdS)N_cached_db_kvstoreFzUsing any other KVStore than Cached Db KVStore is deprecated. Please configure the cache that suits your use case at Django level and set this cache alias in THUMBNAIL_CACHE.) stacklevel)getattrwarningswarnDeprecationWarning)selfrrr__init__s  zKVStoreBase.__init__cCs ||jS)zT Gets the ``image_file`` from store. Returns ``None`` if not found. )_getr )r image_filerrrget!s zKVStoreBase.getNcCs||||j||dur<||std|j|j|jddp$g}t|}||j|j|jt |dddSdS)zi Updates store for the `image_file`. Makes sure the `image_file` has a size set. Nz>Cannot add thumbnails for source: `%s` that is not in kvstore. thumbnailsr ) set_size_setr r rnamersetaddlist)rrsourcer!rrrr&'s  zKVStoreBase.setcCs$||}|dur |S|||SN)r r&)rrcachedrrr get_or_set;s  zKVStoreBase.get_or_setTcCs|r||||jdS)z Deletes the reference to the ``image_file`` and deletes the references to thumbnails as well as thumbnail files if ``delete_thumbnails`` is `True``. Does not delete the ``image_file`` is self. N)delete_thumbnails_deleter )rrr-rrrdeleteBs zKVStoreBase.deletecCsX|j|jdd}|r*|D]}||}|r||d|q |j|jdddSdS)zX Deletes references to thumbnails as well as thumbnail ``image_files``. r!r"FN)rr r/r.)rrthumbnail_keysr thumbnailrrrr-Ls  zKVStoreBase.delete_thumbnailscCsH|jddD]}|j|dd}|r!|D] }||}|r |qqdS)Nr!r") _find_keysrr/)rr r0r1rrrdelete_all_thumbnail_files^s z&KVStoreBase.delete_all_thumbnail_filescCs|jddD]}||}|r|s||q|jddD];}||}|rS|j|ddp0g}t|}|D] }||sC||q7t|}|rS|j||ddq|j|ddqdS)a Cleans up the key value store. In detail: 1. Deletes all key store references for image_files that do not exist and all key references for its thumbnails *and* their image_files. 2. Deletes or updates all invalid thumbnail keys rr"r!N) r2rexistsr/r&remover(r$r.)rr rr0thumbnail_keys_set thumbnail_keyrrrcleanupgs(      zKVStoreBase.cleanupcCs"|tj}|r|j|dSdS)z Brutely clears the key value store for keys with THUMBNAIL_KEY_PREFIX prefix. Use this in emergency situations. Normally you would probably want to use the ``cleanup`` method instead. N)_find_keys_rawrr _delete_raw)rall_keysrrrclears zKVStoreBase.clearrcCs0|t||}|s dS|dkrt|St|S)z< Deserializing, prefix wrapper for _get_raw Nr)_get_rawrrr)rr r valuerrrrs zKVStoreBase._getcCs0|dkr t|}nt|}|t|||dS)z: Serializing, prefix wrapper for _set_raw rN)rr_set_rawr)rr r>r srrrr$s zKVStoreBase._setcCs|t||dS)z0 Prefix wrapper for _delete_raw N)r:r)rr r rrrr.szKVStoreBase._deleteccs2td|}||p g}|D]}t|VqdS)z: Finds and returns all keys for identity, N)rr9r)rr prefixraw_keysraw_keyrrrr2s   zKVStoreBase._find_keyscCt)zL Gets the value from keystore, returns `None` if not found. NotImplementedError)rr rrrr=zKVStoreBase._get_rawcCrE)z Sets value associated to key. Key is expected to be shorter than 200 chars. Value is a ``unicode`` object with an unknown (reasonable) length. rF)rr r>rrrr?szKVStoreBase._set_rawcGrE)zD Deletes the keys. Silent failure for missing keys. rF)rkeysrrrr:rHzKVStoreBase._delete_rawcCrE)z, Finds all keys with prefix rF)rrBrrrr9rHzKVStoreBase._find_keys_rawr*)Tr)__name__ __module__ __qualname__rr r&r,r/r-r3r8r<rr$r.r2r=r?r:r9rrrrrs$    '    rrJ) rsorl.thumbnail.confrsorl.thumbnail.helpersrrrsorl.thumbnail.imagesrrrrrrrrrs