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Use %s.%s's Manager instead.Rp(RRt auto_createdR RR!RR~RpRR:RtRR(RR1R;Rxtnew_obj(RRR6(sL/home/panlixing/Python_Projects/gaeseries/django/db/models/fields/related.pyRs ! csetj|jjd|j}t|j|j|\}}|r[|j|n||fS(NRp(RR~RpRR:RtRR(RR1RxRtcreated(R(sL/home/panlixing/Python_Projects/gaeseries/django/db/models/fields/related.pyR s 'c s@ddlm}|r<t}x|D]}t||jrtj||js~td||jj j |j j fn|j |j q&t||rt d|jjjq&|j |q&Wtj|jjd|j}|jjj|j|dt}|ji|j|6|d|6}|t|}|js[||jkrtjjdjd d d|jd |jd |jd |nxC|D];} |jjj|ji|jd|6| d|6qW|js||jkr<tjjdjd dd|jd |jd |jd |q<ndS(Ni(tModelsHCannot add "%r": instance is on database "%s", value is on database "%s"s'%s' instance expectedRptflats%s__inR0tactiontpre_addRR+tpk_sets%s_idtpost_add(tdjango.db.modelsRtsetR@R+RRRpRR}RxRRBRYRR!R~RRRRtt values_listRdRRRRRt m2m_changedtsendR( RRRRRtnew_idsRRxtvalstobj_id(R6(sL/home/panlixing/Python_Projects/gaeseries/django/db/models/fields/related.pyRs<  %$   cs^|rZt}x@|D]8}t||jrA|j|jq|j|qW|jsj||jkrtjj dj ddd|j d|jd|jd|nt j |j jd|j }|j jj|ji|j|6|d|6j|js||jkrZtjj dj dd d|j d|jd|jd|qZndS( NR0Rt pre_removeRpRR+Rs%s__int post_remove(RR@R+RRBRRRRRRRpRR~RRRtRRtdelete(RRRRtold_idsRRx(R6(sL/home/panlixing/Python_Projects/gaeseries/django/db/models/fields/related.pyRGs$   cs|js||jkrXtjjdjddd|jd|jd|jddnt j |jj d|j}|jj j |ji|j|6j|js||jkrtjjdjddd|jd|jd|jddndS( NR0Rt pre_clearRpRR+Rt post_clear(RRRRRRRpR+RCRR~RRRtRRR(RRRx(R6(sL/home/panlixing/Python_Projects/gaeseries/django/db/models/fields/related.pyRhsN(RRkRCR"RoRRRRRRdRRRRRRRR((RRRR6(sL/home/panlixing/Python_Projects/gaeseries/django/db/models/fields/related.pyRs$          /!(R(RR6((RRRR6sL/home/panlixing/Python_Projects/gaeseries/django/db/models/fields/related.pytcreate_many_related_managers %tManyRelatedObjectsDescriptorcBs&eZdZddZdZRS(cCs ||_dS(N(RK(RRK((sL/home/panlixing/Python_Projects/gaeseries/django/db/models/fields/related.pyRoscCs|dkr|S|jj}|jj}t||jjj}|d|di|jd|jjj 6d|dt d|jjj d|jjj dt }|S( NR+Rs%s__pkRpRRRR(RCRKR+RRRR'R6RqRDR"tm2m_reverse_field_nametm2m_field_nameRd(RRpRwRRRR((sL/home/panlixing/Python_Projects/gaeseries/django/db/models/fields/related.pyRzs     cCs|dkrtdn|jjjjjjsg|jjjjj}td|j|j fn|j |}|j |j |dS(Ns%Manager must be accessed via instancesjCannot set values on a ManyToManyField which specifies an intermediary model. Use %s.%s's Manager instead.( RCR RKR'R6RRRRR!RzRR(RRpR-R;R((sL/home/panlixing/Python_Projects/gaeseries/django/db/models/fields/related.pyRs  N(RRkRoRCRzR(((sL/home/panlixing/Python_Projects/gaeseries/django/db/models/fields/related.pyR}s  t#ReverseManyRelatedObjectsDescriptorcBs;eZdZdZeeZddZdZRS(cCs ||_dS(N(R'(Rt m2m_field((sL/home/panlixing/Python_Projects/gaeseries/django/db/models/fields/related.pyRoscCs |jjjS(N(R'R6R(R((sL/home/panlixing/Python_Projects/gaeseries/django/db/models/fields/related.pyt_throughscCs|dkr|S|jjj}|jj}t||jj}|d|di|jd|jj6d|d|jjj d|jj d|jj dt }|S( NR+Rs%s__pkRpRRRR( RCR'R6R7RRRRqRjRRRR"(RRpRwRRRR((sL/home/panlixing/Python_Projects/gaeseries/django/db/models/fields/related.pyRzs    cCs|dkrtdn|jjjjjsa|jjjj}td|j|jfn|j |}|j |j |dS(Ns%Manager must be accessed via instanceskCannot set values on a ManyToManyField which specifies an intermediary model. 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