o cZh@s~dZddlmZddlmZddlmZddlmZddl m Z m Z ddl m Z ddlmZGd d d ZGd d d eZd S)aL The metadata API is used to allow customization of how `OPTIONS` requests are handled. We currently provide a single default implementation that returns some fairly ad-hoc information about the view. Future implementations might use JSON schema or other definitions in order to return this information in a more standardized way. ) OrderedDict)PermissionDenied)Http404 force_str) exceptions serializers) clone_request)ClassLookupDictc@seZdZddZdS) BaseMetadatacCstd)zx Return a dictionary of metadata about the view. Used to return responses for OPTIONS requests. z).determine_metadata() must be overridden.)NotImplementedError)selfrequestviewrN/var/www/html/lang_env/lib/python3.10/site-packages/rest_framework/metadata.pydetermine_metadataszBaseMetadata.determine_metadataN)__name__ __module__ __qualname__rrrrrr s r c @seZdZdZeiejdejdejdej dej dej dej dej dejd ejd ejd ejd ejd ejdejdejdejdejdejdejdejdiZddZddZddZddZdS)SimpleMetadataz This is the default metadata implementation. It returns an ad-hoc set of information about the view. There are not any formalized standards for `OPTIONS` responses for us to base this on. fieldbooleanstringurlemailregexZslugintegerfloatdecimaldatedatetimetimechoicezmultiple choicez file uploadz image uploadlistz nested objectcCslt}||d<||d<dd|jD|d<dd|jD|d<t|dr4|||}|r4||d <|S) Nname descriptioncSg|]}|jqSr media_type).0rendererrrr @z5SimpleMetadata.determine_metadata..ZrenderscSr'rr()r*parserrrrr,Ar-Zparsesget_serializeractions)rZ get_view_nameZget_view_descriptionZrenderer_classesZparser_classeshasattrdetermine_actions)r rrmetadatar0rrrr<s    z!SimpleMetadata.determine_metadatac Csi}ddht|j@D]D}t|||_z8zt|dr ||j|dkr-t|dr-|Wn tjt t fy;Yn w| }| |||<W||_q ||_w|S)z For generic class based views we return information about the fields that are accepted for 'PUT' and 'POST' methods. PUTPOSTcheck_permissions get_object) setallowed_methodsr rr1r6r7rZ APIExceptionrrr/get_serializer_info)r rrr0method serializerrrrr2Hs"   z SimpleMetadata.determine_actionscs,t|dr|j}tfdd|jDS)zn Given an instance of a serializer, return a dictionary of metadata about its fields. childcs*g|]\}}t|tjs||fqSr) isinstancerZ HiddenFieldget_field_info)r* field_namerr rrr,ls   z6SimpleMetadata.get_serializer_info..)r1r=rfieldsitems)r r<rrArr:cs  z"SimpleMetadata.get_serializer_infocCst}|j||d<t|dd|d<gd}|D]}t||d}|dur0|dkr0t|dd||<qt|d dr@||j|d <n t|d drM|||d <|d slt|t j t j fslt |d rldd|j D|d <|S)zl Given an instance of a serializer field, return a dictionary of metadata about it. typerequiredF) read_onlylabel help_text min_length max_lengthZ min_valueZ max_valueNTZ strings_onlyr=rBchildrenrFchoicescSs"g|] \}}|t|dddqS)TrL)valueZ display_namer)r*Z choice_valueZ choice_namerrrr,s  z1SimpleMetadata.get_field_info..)r label_lookupgetattrrr?r=r:getr>rZ RelatedFieldZManyRelatedFieldr1rNrC)r rZ field_infoattrsattrrOrrrr?rs,     zSimpleMetadata.get_field_infoN) rrr__doc__r rFieldZ BooleanFieldZ CharFieldZ UUIDFieldZURLFieldZ EmailFieldZ RegexFieldZ SlugFieldZ IntegerFieldZ FloatFieldZ DecimalFieldZ DateFieldZ DateTimeFieldZ TimeFieldZ ChoiceFieldZMultipleChoiceFieldZ FileFieldZ ImageFieldZ ListFieldZ DictField SerializerrPrr2r:r?rrrrrs\       rN)rU collectionsrZdjango.core.exceptionsrZ django.httprZdjango.utils.encodingrZrest_frameworkrrZrest_framework.requestr Z"rest_framework.utils.field_mappingr r rrrrrs