o óTiæã@svddlmZddlmZddlmZmZmZmZ Gdd„dƒZ Gdd„de ƒZ Gdd „d e eƒZ Gd d „d e eƒZ d S) é)Ú OrderedDict)Ú import_string)ÚPrimaryKeyRelatedFieldÚSlugRelatedFieldÚMANY_RELATION_KWARGSÚManyRelatedFieldcsLeZdZdZGdd„deƒZ‡fdd„Ze‡fdd„ƒZ‡fdd „Z ‡Z S) ÚReadSourceMixinzæ This mixin override get_attribute method and set read_source attribute to source attribute if read_source attribute setted. For the purpose of not want to effect of write operation, we don't override bind method. cseZdZ‡fdd„Z‡ZS)z ReadSourceMixin.ManyRelatedFieldcs.|jjr|jj|_| |j|j¡tƒ |¡S©N)Úchild_relationÚ read_sourceÚsourceÚbindÚ field_nameÚparentÚsuperÚ get_attribute©ÚselfÚinstance©Ú __class__©úZ/var/www/html/evchargy.com/venv/lib/python3.10/site-packages/drf_extra_fields/relations.pyrs  z.ReadSourceMixin.ManyRelatedField.get_attribute)Ú__name__Ú __module__Ú __qualname__rÚ __classcell__rrrrrsrc s$| dd¡|_tƒjdi|¤ŽdS)Nr r)Úpopr rÚ__init__©rÚkwargsrrrrszReadSourceMixin.__init__cs^| dd¡stƒj|i|¤ŽSd||i|¤Ži}|D] }|tvr&||||<q|jdi|¤ŽS)Nr r r)ÚgetrÚ many_initrr)ÚclsÚargsr Z list_kwargsÚkeyrrrr"s  €zReadSourceMixin.many_initcs*|jr|j|_| |j|j¡tƒ |¡Sr )r r r rrrrrrrrr)s zReadSourceMixin.get_attribute) rrrÚ__doc__ÚDRFManyRelatedFieldrrÚ classmethodr"rrrrrrr s  rcs6eZdZ‡fdd„Zdd„Zd dd„Zdd „Z‡ZS) ÚPresentableRelatedFieldMixinc sN| dd¡|_| dtƒ¡|_|jdusJ|jjdƒ‚tƒjdi|¤ŽdS)NÚpresentation_serializerÚpresentation_serializer_kwargsz2 must provide a `presentation_serializer` argumentr)rr*Údictr+rrrrrrrrr2sÿ ÿÿz%PresentableRelatedFieldMixin.__init__cCsdS)aó Instead of sending pk only object, return full object. The object already retrieved from db by drf. This doesn't cause an extra query. It even might save from making an extra query on serializer.to_representation method. Related source codes: - https://github.com/tomchristie/django-rest-framework/blob/master/rest_framework/relations.py#L41 - https://github.com/tomchristie/django-rest-framework/blob/master/rest_framework/relations.py#L132 Fr©rrrrÚuse_pk_only_optimization=s z5PresentableRelatedFieldMixin.use_pk_only_optimizationNcs>ˆ ¡}|dur iS|dur|d|…}t‡fdd„|DƒƒS)Ncsg|] }|jˆ |¡f‘qSr)ÚpkZ display_value)Ú.0Úitemr-rrÚ Ssz.)Z get_querysetr)rÚcutoffZquerysetrr-rÚ get_choicesIs  z(PresentableRelatedFieldMixin.get_choicescCs4t|jtƒr t|jƒ|_|j|fd|ji|j¤ŽjS)NÚcontext)Ú isinstancer*Ústrrr5r+Údata)rr8rrrÚto_representationUs  ÿÿÿþz.PresentableRelatedFieldMixin.to_representationr )rrrrr.r4r9rrrrrr)1s    r)c@óeZdZdZdS)Ú!PresentablePrimaryKeyRelatedFieldzk Override PrimaryKeyRelatedField to represent serializer data instead of a pk field of the object. N©rrrr&rrrrr;^sr;c@r:)ÚPresentableSlugRelatedFieldzg Override SlugRelatedField to represent serializer data instead of a slug field of the object. Nr<rrrrr=hsr=N)Ú collectionsrZdjango.utils.module_loadingrZrest_framework.relationsrrrrr'rr)r;r=rrrrÚs ' -ÿ