U 8T_ @s2ddlmZeZGdddZGdddZdS))checksc@s<eZdZdZddZefddZddZdd Zd d Z d S) FieldCacheMixinz?Provide an API for working with the model's fields value cache.cCstdSN)NotImplementedErrorselfrB/tmp/pip-unpacked-wheel-dv63caxw/django/db/models/fields/mixins.pyget_cache_name szFieldCacheMixin.get_cache_namecCs>|}z|jj|WStk r8|tkr0|YSXdSr)r _state fields_cacheKeyError NOT_PROVIDED)rinstancedefaultZ cache_namerrr get_cached_value sz FieldCacheMixin.get_cached_valuecCs||jjkSr)r r r rrrrr is_cachedszFieldCacheMixin.is_cachedcCs||jj|<dSrr r r )rrvaluerrr set_cached_valuesz FieldCacheMixin.set_cached_valuecCs|jj|=dSrrrrrr delete_cached_valuesz#FieldCacheMixin.delete_cached_valueN) __name__ __module__ __qualname____doc__r rrrrrrrrr rs  rcs(eZdZdZddZfddZZS)CheckFieldDefaultMixin)zzcCsH|r@|jdk r@t|js@tjd|jjfd|j|ddgSgSdS)Nzk%s default should be a callable instead of an instance so that it's not shared between all field instances.z7Use a callable instead, e.g., use `%s` instead of `%s`.z fields.E010)hintobjid)Z has_defaultrcallablerWarning __class__r _default_hintrrrr _check_default"sz%CheckFieldDefaultMixin._check_defaultc s tjf|}|||Sr)supercheckextendr$)rkwargserrorsr"rr r&5szCheckFieldDefaultMixin.check)rrrr#r$r& __classcell__rrr*r rsrN)Z django.corerobjectrrrrrrr s