B 0H[ @sdZddlZddlmZddlmZddlmZdddd d Zia Gd d d Z d!d dZ ddZ ddZ ddZddZddZddZddZddZdd ZdS)"a Interfaces for serializing Django objects. Usage:: from django.core import serializers json = serializers.serialize("json", some_queryset) objects = list(serializers.deserialize("json", json)) To add your own serializers, use the SERIALIZATION_MODULES setting:: SERIALIZATION_MODULES = { "csv": "path.to.csv.serializer", "txt": "path.to.txt.serializer", } N)apps)settings)SerializerDoesNotExistz&django.core.serializers.xml_serializerzdjango.core.serializers.pythonzdjango.core.serializers.jsonzdjango.core.serializers.pyyaml)xmlpythonjsonZyamlc@s$eZdZdZdZddZddZdS) BadSerializera& Stub serializer to hold exception raised during registration This allows the serializer registration to cache serializers and if there is an error raised in the process of creating a serializer it will be raised and passed along to the caller when the serializer is used. FcCs ||_dS)N) exception)selfr r dC:\Users\HIRONO~1\AppData\Local\Temp\pip-install-6bm3nxem\django\django\core\serializers\__init__.py__init__.szBadSerializer.__init__cOs |jdS)N)r )r argskwargsr r r __call__1szBadSerializer.__call__N)__name__ __module__ __qualname____doc__internal_use_onlyr rr r r r r$src Cs||dkrtstyt|}Wn<tk r\}zt|}tdd||d}Wdd}~XYnX|dkrp|t|<n|||<dS)aRegister a new serializer. ``serializer_module`` should be the fully qualified module name for the serializer. If ``serializers`` is provided, the registration will be added to the provided dictionary. If ``serializers`` is not provided, the registration will be made directly into the global register of serializers. Adding serializers directly is not a thread-safe operation. NZBadSerializerModuler ) Deserializer Serializer) _serializers_load_serializers importlib import_module ImportErrorrtype)formatZserializer_module serializersmoduleexcZbad_serializerr r r register_serializer5s  r"cCs$ts t|tkrt|t|=dS)zCUnregister a given serializer. This is not a thread-safe operation.N)rrr)rr r r unregister_serializerUs r#cCs$ts t|tkrt|t|jS)N)rrrr)rr r r get_serializer^s r$cCsts tttS)N)rrlistr r r r get_serializer_formatsfsr&cCsts tddtDS)NcSsg|]\}}|jjs|qSr )rr).0kvr r r osz1get_public_serializer_formats..)rritemsr r r r get_public_serializer_formatslsr,cCs$ts t|tkrt|t|jS)N)rrrr)rr r r get_deserializerrs r-cKs t|}|j|f||S)zn Serialize a queryset (or any iterator that returns database objects) using a certain serializer. )r$ serializegetvalue)rZquerysetoptionssr r r r.zs r.cKst|}||f|S)a Deserialize a stream or a string. Return an iterator that yields ``(obj, m2m_relation_dict)``, where ``obj`` is an instantiated -- but *unsaved* -- object, and ``m2m_relation_dict`` is a dictionary of ``{m2m_field_name : list_of_related_objects}``. )r-)rZstream_or_stringr0dr r r deserializesr3cCsVi}xtD]}t|t||q WttdrNx tjD]}t|tj||q4W|adS)z Register built-in and settings-defined serializers. This is done lazily so that user code has a chance to (e.g.) set up custom settings without needing to be careful of import order. SERIALIZATION_MODULESN)BUILTIN_SERIALIZERSr"hasattrrr4r)rrr r r rs   rc sg}tx|D]\}dkr(|x҈D]}|t|drht|jdg}|rldd|D}ng}x:|jjD].}|jrv|jj }t|drv||krv| |qvWx@|jj D]4}|jj jj r|jj }t|dr||kr| |qW| ||fq.WqW|gx|rg}d}xj|r|\}}d} x(fdd |DD]} | sJd} qJW| rt |d}n| ||fqW|std d d d t|d ddD|}qWS)aSort a list of (app_config, models) pairs into a single list of models. The single list of models is sorted so that any model with a natural key is serialized before a normal model, and any model with a natural key dependency has it's dependencies serialized first. N natural_keyZ dependenciescSsg|]}t|qSr )rZ get_model)r'depr r r r*sz%sort_dependencies..FTc3s|]}|kp|kVqdS)Nr )r'r2) model_listmodelsr r sz$sort_dependencies..z9Can't resolve dependencies for %s in serialized app list.z, css&|]\}}d|jj|jjfVqdS)z%s.%sN)_metaZ app_labelZ object_name)r'modeldepsr r r r;scSs |djS)Nr)r)objr r r sz#sort_dependencies..)key)setZ get_modelsaddr6getattrr7r<fieldsZ remote_fieldr=appendZ many_to_manyZthroughZ auto_createdreversepop RuntimeErrorjoinsorted) Zapp_listZmodel_dependenciesZ app_configr=r>fieldZ rel_modelZskippedchangedfound candidater )r9r:r sort_dependenciess\         rP)N)rrZ django.appsrZ django.confrZdjango.core.serializers.baserr5rrr"r#r$r&r,r-r.r3rrPr r r r s(