o wvXj@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)selfrequestviewrT/var/www/html/myproject/venv/lib/python3.10/site-packages/rest_framework/metadata.pydetermine_metadataszBaseMetadata.determine_metadataN)__name__ __module__ __qualname__rrrrrr s r c @seZdZdZeiejdejdejdej dej dej dej dej dejdejd ejd ejd ejd ejd ejdejdejdejdejdejdejdejdiZddZddZddZddZ dS)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. fieldbooleanstringurlemailregexslugintegerfloatdecimaldatedatetimetimechoicezmultiple 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 Az5SimpleMetadata.determine_metadata..renderscSr(rr))r+parserrrrr-Br.parsesget_serializeractions)r get_view_nameget_view_descriptionrenderer_classesparser_classeshasattrdetermine_actions)r rrmetadatar3rrrr=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 rr8r=r>r APIExceptionrrr2get_serializer_info)r rrr3method serializerrrrr9Is"   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) isinstancer HiddenFieldget_field_info)r+ field_namerr rrr-ms   z6SimpleMetadata.get_serializer_info..)r8rErfieldsitems)r rDrrJrrBds  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_length min_value max_valueNT strings_onlyrErKchildrenrOchoicescSs"g|] \}}|t|dddqS)TrW)value display_namer)r+ choice_value choice_namerrrr-s  z1SimpleMetadata.get_field_info..)r label_lookupgetattrrrHrErBgetrFr RelatedFieldManyRelatedFieldr8rZrL)r r field_infoattrsattrr[rrrrHss,     zSimpleMetadata.get_field_infoN)!rrr__doc__r rField BooleanFieldNullBooleanField CharField UUIDFieldURLField EmailField RegexField SlugField IntegerField FloatField DecimalField DateField DateTimeField TimeField ChoiceFieldMultipleChoiceField FileField ImageField ListField DictField Serializerr_rr9rBrHrrrrrs^       rN)rg collectionsrdjango.core.exceptionsr django.httprdjango.utils.encodingrrest_frameworkrrrest_framework.requestr "rest_framework.utils.field_mappingr r rrrrrs