ó ®â0_c@sÐdZddlmZddlmZdefd„ƒYZdefd„ƒYZdefd „ƒYZ d e fd „ƒYZ d e fd „ƒYZ dej fd„ƒYZde fd„ƒYZd„ZdS(s; Module for abstract serializer/unserializer base classes. iÿÿÿÿ(tmodels(tsixtSerializerDoesNotExistcBseZdZRS(s'The requested serializer was not found.(t__name__t __module__t__doc__(((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyRstSerializationErrorcBseZdZRS(s,Something bad happened during serialization.(RRR(((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyR stDeserializationErrorcBseZdZed„ƒZRS(s.Something bad happened during deserialization.cCs|d||||fƒS(ss Factory method for creating a deserialization error which has a more explanatory message. s#%s: (%s:pk=%s) field_value was '%s'((tclst original_exctmodeltfkt field_value((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pytWithDatas(RRRt classmethodR (((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyRst ProgressBarcBs eZdZd„Zd„ZRS(iKcCs||_||_d|_dS(Ni(toutputt total_countt prev_done(tselfRR((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyt__init__!s  cCsÈ|js dS|d|j}||jd}|j|krBdS||_|jdkr`dnd}|jj|dd|d|j|dƒ||jkr·|jjd ƒn|jjƒdS( Nidits t[t.t t]s (RRtprogress_widthRtwritetflush(Rtcounttperctdonetcr((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pytupdate&s  /(RRRRR!(((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyRs t SerializercBsteZdZeZeZejZ d„Z d„Z d„Z d„Z d„Zd„Zd„Zd„Zd „ZRS( s) Abstract serializer base class. cKs||_|jd|jƒƒ|_|jdd ƒ|_|jdtƒ|_|jdtƒ|_|j |jdd ƒ|jddƒƒ}|j ƒt |_ x`t |dd ƒD]L\}}|j|ƒ|jj}xž|jjD]}|jrå|jd kr:|jd ks$|j|jkrr|j||ƒqrqu|jd ks_|jd |jkru|j||ƒquqåqåWxT|jjD]F}|jr†|jd ks¶|j|jkrÌ|j||ƒqÌq†q†W|j|ƒ|j|ƒ|j r³t|_ q³q³W|jƒ|jƒS( s' Serialize a queryset. tstreamtfieldstuse_natural_foreign_keystuse_natural_primary_keystprogress_outputt object_countitstartiiýÿÿÿN(toptionstpopt stream_classR#tNonetselected_fieldstFalseR%R&tprogress_clasststart_serializationtTruetfirstt enumeratet start_objectt_metatconcrete_modelt local_fieldst serializet remote_fieldtattnamet handle_fieldthandle_fk_fieldt many_to_manythandle_m2m_fieldt end_objectR!tend_serializationtgetvalue(RtquerysetR*t progress_barRtobjR7tfield((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyR9@s: $     !% !    cCstdƒ‚dS(sA Called when serializing of the queryset starts. sDsubclasses of Serializer must provide a start_serialization() methodN(tNotImplementedError(R((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyR1hscCsdS(s? Called when serializing of the queryset ends. N((R((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyRAnscCstdƒ‚dS(s> Called when serializing of an object starts. s=subclasses of Serializer must provide a start_object() methodN(RG(RRE((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyR5tscCsdS(s< Called when serializing of an object ends. N((RRE((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyR@zscCstdƒ‚dS(sW Called to handle each individual (non-relational) field on an object. s>subclasses of Serializer must provide an handle_field() methodN(RG(RRERF((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyR<€scCstdƒ‚dS(s6 Called to handle a ForeignKey field. sAsubclasses of Serializer must provide an handle_fk_field() methodN(RG(RRERF((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyR=†scCstdƒ‚dS(s5 Called to handle a ManyToManyField. sBsubclasses of Serializer must provide an handle_m2m_field() methodN(RG(RRERF((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyR?ŒscCs,tt|jddƒƒr(|jjƒSdS(sn Return the fully serialized queryset (or None if the output stream is not seekable). RBN(tcallabletgetattrR#R-RB(R((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyRB’s(RRRR/tinternal_use_onlyRR0RtStringIOR,R9R1RAR5R@R<R=R?RB(((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyR"5s  (       t DeserializercBs)eZdZd„Zd„Zd„ZRS(s+ Abstract base deserializer class. cKs=||_t|tjƒr0tj|ƒ|_n ||_dS(sA Init this serializer given a stream or a string N(R*t isinstanceRt string_typesRKR#(Rtstream_or_stringR*((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyR s cCs|S(N((R((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyt__iter__ªscCstdƒ‚dS(s8Iteration iterface -- return the next item in the streams;subclasses of Deserializer must provide a __next__() methodN(RG(R((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyt__next__­s(RRRRRPRQ(((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyRL›s tDeserializedObjectcBs2eZdZdd„Zd„Zedd„ZRS(se A deserialized model. Basically a container for holding the pre-saved deserialized data along with the many-to-many data saved with the object. Call ``save()`` to save the object (with the many-to-many data) to the database; call ``save(save_m2m=False)`` to save just the object fields (and not touch the many-to-many stuff.) cCs||_||_dS(N(tobjecttm2m_data(RRERT((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyR¾s cCs&d|jj|jjj|jjfS(Ns<%s: %s(pk=%s)>(t __class__RRSR6tlabeltpk(R((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyt__repr__Âs  cKsztjj|jd|dt||jrm|rmx9|jjƒD]%\}}t|j|ƒj|ƒqAWnd|_dS(Ntusingtraw( RtModelt save_baseRSR2RTtitemsRItsetR-(Rtsave_m2mRYtkwargst accessor_namet object_list((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pytsaveÉs " N(RRRR-RRXR2Rc(((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyRR²s   cCs‹||}|jdkr‡t|dƒr‡t|jdƒr‡|jƒ}y%|jj|ƒj|Œj|_Wq‡|jk rƒq‡Xn|S(s¦ Build a model instance. If the model instance doesn't have a primary key and the model supports natural keys, try to retrieve it from the database. t natural_keytget_by_natural_keyN(RWR-thasattrt_default_managerRdt db_managerRet DoesNotExist(R[tdatatdbRERd((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pytbuild_instance×s  %N(Rt django.dbRt django.utilsRtKeyErrorRt ExceptionRRRSRR"tIteratorRLRRRl(((s>/tmp/pip-unpacked-wheel-BAJOf3/django/core/serializers/base.pyts f%