ó Ý*µPc@sÁdZddlmZddlmZddlmZdefd„ƒYZde fd„ƒYZ d e fd „ƒYZ d e fd „ƒYZ d ejfd„ƒYZde fd„ƒYZdS(s; Module for abstract serializer/unserializer base classes. iÿÿÿÿ(tmodels(t smart_text(tsixtSerializerDoesNotExistcBseZdZRS(s'The requested serializer was not found.(t__name__t __module__t__doc__(((s5../Django//lib/python/django/core/serializers/base.pyR stSerializationErrorcBseZdZRS(s,Something bad happened during serialization.(RRR(((s5../Django//lib/python/django/core/serializers/base.pyR stDeserializationErrorcBseZdZRS(s.Something bad happened during deserialization.(RRR(((s5../Django//lib/python/django/core/serializers/base.pyRst SerializercBseeZdZeZd„Zd„Zd„Zd„Zd„Z d„Z d„Z d„Z d „Z RS( s) Abstract serializer base class. cKs¹||_|jdtjƒƒ|_|jddƒ|_|jdtƒ|_|j ƒt |_ xA|D]9}|j |ƒ|j j}xž|j jD]}|jr”|jdkré|jdksÓ|j|jkr!|j||ƒq!q$|jdks|jd |jkr$|j||ƒq$q”q”WxT|j jD]F}|jr5|jdkse|j|jkr{|j||ƒq{q5q5W|j|ƒ|j rht|_ qhqhW|jƒ|jƒS(s' Serialize a queryset. tstreamtfieldstuse_natural_keysiýÿÿÿN(toptionstpopRtStringIOR tNonetselected_fieldstFalseR tstart_serializationtTruetfirstt start_objectt_metatconcrete_modelt local_fieldst serializetreltattnamet handle_fieldthandle_fk_fieldt many_to_manythandle_m2m_fieldt end_objecttend_serializationtgetvalue(tselftquerysetR tobjRtfield((s5../Django//lib/python/django/core/serializers/base.pyRs2       !% !   cCs t‚dS(sA Called when serializing of the queryset starts. N(tNotImplementedError(R$((s5../Django//lib/python/django/core/serializers/base.pyRAscCsdS(s? Called when serializing of the queryset ends. N((R$((s5../Django//lib/python/django/core/serializers/base.pyR"GscCs t‚dS(s> Called when serializing of an object starts. N(R((R$R&((s5../Django//lib/python/django/core/serializers/base.pyRMscCsdS(s< Called when serializing of an object ends. N((R$R&((s5../Django//lib/python/django/core/serializers/base.pyR!SscCs t‚dS(sW Called to handle each individual (non-relational) field on an object. N(R((R$R&R'((s5../Django//lib/python/django/core/serializers/base.pyRYscCs t‚dS(s6 Called to handle a ForeignKey field. N(R((R$R&R'((s5../Django//lib/python/django/core/serializers/base.pyR_scCs t‚dS(s5 Called to handle a ManyToManyField. N(R((R$R&R'((s5../Django//lib/python/django/core/serializers/base.pyR escCs,tt|jddƒƒr(|jjƒSdS(sn Return the fully serialized queryset (or None if the output stream is not seekable). R#N(tcallabletgetattrR RR#(R$((s5../Django//lib/python/django/core/serializers/base.pyR#ks(RRRRtinternal_use_onlyRRR"RR!RRR R#(((s5../Django//lib/python/django/core/serializers/base.pyR s #       t DeserializercBs)eZdZd„Zd„Zd„ZRS(s+ Abstract base deserializer class. cKsG||_t|tjƒr0tj|ƒ|_n ||_tjƒdS(sA Init this serializer given a stream or a string N(R t isinstanceRt string_typesRR Rtget_apps(R$tstream_or_stringR ((s5../Django//lib/python/django/core/serializers/base.pyt__init__xs   cCs|S(N((R$((s5../Django//lib/python/django/core/serializers/base.pyt__iter__†scCs t‚dS(s8Iteration iterface -- return the next item in the streamN(R((R$((s5../Django//lib/python/django/core/serializers/base.pyt__next__‰s(RRRR1R2R3(((s5../Django//lib/python/django/core/serializers/base.pyR,ss  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(R$R&R6((s5../Django//lib/python/django/core/serializers/base.pyR1™s cCs)d|jjj|jjj|jjfS(Ns"(R5Rt app_labelt object_nametpk(R$((s5../Django//lib/python/django/core/serializers/base.pyt__repr__scCsqtjj|jd|dtƒ|jrd|rdx3|jjƒD]\}}t|j||ƒq>Wnd|_dS(Ntusingtraw( RtModelt save_baseR5RR6titemstsetattrR(R$tsave_m2mR;t accessor_namet object_list((s5../Django//lib/python/django/core/serializers/base.pytsave¡s N(RRRRR1R:RRD(((s5../Django//lib/python/django/core/serializers/base.pyR4s   N(Rt django.dbRtdjango.utils.encodingRt django.utilsRtKeyErrorRt ExceptionRRR5R tIteratorR,R4(((s5../Django//lib/python/django/core/serializers/base.pyts^