ó ®â0_c@sÒddlmZddlmZddlmZddlmZddlm Z ddl m Z de fd „ƒYZ d e fd „ƒYZ d e fd „ƒYZde fd„ƒYZde fd„ƒYZdS(iÿÿÿÿ(tunicode_literals(tFieldDoesNotExist(t NOT_PROVIDED(tcached_propertyi(t Operation(tis_referenced_by_foreign_keytFieldOperationcBseeZd„Zed„ƒZed„ƒZd„Zd„Zdd„Z dd„Z dd„Z RS( cCs||_||_dS(N(t model_nametname(tselfRR((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pyt__init__ s cCs |jjƒS(N(Rtlower(R ((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pytmodel_name_lowerscCs |jjƒS(N(RR (R ((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pyt name_lowerscCs|j|jkS(N(R (R t operation((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pytis_same_model_operationscCs|j|ƒo|j|jkS(N(RR (R R((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pytis_same_field_operationscCs|jƒ|jkS(N(R R (R Rt app_label((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pytreferences_modelscCs"|j|ƒo!|jƒ|jkS(N(RR R (R RRR((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pytreferences_field!scCs;tt|ƒj||d|ƒp:|j|j|j|ƒ S(NR(tsuperRtreduceRRR(R Rt in_betweenR((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pyR$s!N( t__name__t __module__R RR R RRtNoneRRR(((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pyR s     tAddFieldcBsSeZdZed„Zd„Zd„Zd„Zd„Zd„Z dd„Z RS( u" Adds a field to a model. cCs/||_||_tt|ƒj||ƒdS(N(tfieldtpreserve_defaultRRR (R RRRR((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pyR 0s  cCsVi|jd6|jd6|jd6}|jtk rC|j|dcBs;eZdZd„Zd„Zd„Zd„Zd„ZRS(u' Removes a field from a model. cCs-i|jd6|jd6}|jjg|fS(Nu model_nameuname(RRRR(R R((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pyR s    cCs¡g}d}xR|j||jfjD]7\}}||jkrW|j||fƒq&|}q&W||j||jf_|j }|j||jd|ƒdS(NR!(RR$R R%RR&R'R((R RR)t new_fieldst old_fieldRtinstanceR!((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pyR*Œs&  cCsV|jj||jƒ}|j|jj|ƒrR|j||jj|j ƒƒndS(N( R+R,RR-R.R/R9R0R1R(R RR3R4R5R7((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pyR8™scCsn|jj||jƒ}|j|jj|ƒrj|jj||jƒ}|j||jj|j ƒƒndS(N( R+R,RR-R.R/R2R0R1R(R RR3R4R5R6R7((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pyR:žscCsd|j|jfS(NuRemove field %s from %s(RR(R ((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pyR;¤s(RRRAR R*R8R:R;(((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pyR>|s   R=cBsSeZdZed„Zd„Zd„Zd„Zd„Zd„Z dd„Z RS( u\ Alters a field's database column (e.g. null, max_length) to the provided new field cCs/||_||_tt|ƒj||ƒdS(N(RRRR=R (R RRRR((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pyR ­s  cCsVi|jd6|jd6|jd6}|jtk rC|j|dRR?R=RR@RRR(R RRR((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pyRçs   N( RRRARR R R*R8R:R;RR(((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pyR=¨s     R?cBszeZdZd„Zed„ƒZed„ƒZd„Zd„Zd„Z d„Z d„Z d d „Z d d „ZRS( uC Renames a field on the model. Might affect db_column too. cCs/||_||_tt|ƒj||ƒdS(N(told_nameR@RR?R (R RRJR@((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pyR ûs  cCs |jjƒS(N(RJR (R ((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pytold_name_lowerscCs |jjƒS(N(R@R (R ((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pytnew_name_lowerscCs7i|jd6|jd6|jd6}|jjg|fS(Nu model_nameuold_nameunew_name(RRJR@RR(R R((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pyR s    c Cs?|j||jf}|j}x‹t|ƒD]^\}\}}||jkr,|j|f||<|j oƒt||j||jƒ }Pq,q,Wt d||j |jfƒ‚|j } xidD]a} | | kr½g| | D]7} g| D]$} | |jkr|jn| ^qç^qÚ| | R=R?(((sH/tmp/pip-unpacked-wheel-BAJOf3/django/db/migrations/operations/fields.pyts Q,N