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Contains things to detect changes - either using options passed in on the
commandline, or by using autodetection, etc.
i����( t print_function( t models( t GenericRelation( t
SortedDict( t remove_useless_attributest freeze_appst model_key( t auto_through( t string_typest BaseChangesc B s2 e Z d Z d � Z d � Z d � Z d � Z RS( s
Base changes class.
c C s d S( Nt ( ( t self( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pyt suggest_name s c C s� t � } t � } t � } xh | j � D]Z \ } } | d k rI | } q( t | j j | � d t j � rx | | | <q( | | | <q( W| | | f S( s�
Given a model and its model def (a dict of field: triple), returns three
items: the real fields dict, the Meta dict, and the M2M fields dict.
t Metai ( R t itemst
isinstancet _metat get_field_by_nameR t ManyToManyField( R t modelt model_deft real_fieldst metat
m2m_fieldst namet triple( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pyt split_model_def s "
c C s% | j d � \ } } t j | | � S( Nt .( t splitR t get_model( R t keyt app_labelt
model_name( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pyt current_model_from_key( s c C su | j d � \ } } | d k rU t j � } d | _ d | _ d | _ d | _ | St j | | � j j | � d S( NR t _orderi (
R R t IntegerFieldR t attnamet columnt defaultR R R ( R R t fieldnameR R t field( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pyt current_field_from_key, s ( t __name__t
__module__t __doc__R R R! R) ( ( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pyR s
t AutoChangesc B sP e Z d Z e g Z d � Z d � Z d � Z e d � � Z e d � � Z
RS( sL
Detects changes by 'diffing' two sets of frozen model definitions.
c C s( | | _ | | _ | | _ | | _ d S( N( t
migrationst old_defst old_ormt new_defs( R R. R/ R0 R1 ( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pyt __init__D s c C s� d g } x�| j � D]�\ } } | d k rR | j d | d j j j � � q | d k r� | j d | d j j j � � q | d k r� | j d | d j j j � | d j f � q | d
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| d j j j � | d j f � q | d k r�| j d | d j j j � d j g | d D] } | j ^ qr� f � q | d k r�| j d | d j j j � d j g | d D] } | j ^ q�� f � q | d k rD| j d | d j j j � d j g | d D] } | j ^ q$� f � q | d k r | j d | d j j j � d j g | d D] } | j ^ q}� f � q q Wd j | � d S( Nt autot AddModels add_%sR t DeleteModels del_%st AddFields add_field_%s_%sR( t DeleteFields del_field_%s_%st ChangeFields chg_field_%s_%st new_fieldt AddUniques add_unique_%s_%st _t fieldst DeleteUniques del_unique_%s_%st AddIndexs add_index_%s_%st DeleteIndexs del_index_%s_%st __iF ( t get_changest appendR t object_namet lowerR t join( R t partst change_namet paramst x( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pyR J sF $ $ 1 1 1 5c c s� t � } x�| j D]�} | | j k r | j | j | | j | � \ } } } | j d d � d k r�d i | j | d 6| d 6f VxR | D]J } | j | d | } t | � r� d i | j | d 6| d 6f Vq� q� Wx� d d! f D]� \ } } t | j | d � � }
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| � d 6| d 6f Vq�q�Wx�d$ d% f D]x\ } } } t | j | d � � } t | j | d � � } | r�t | d t � r�| g } n | r�t | d t � r�| g } n t d � | D� � } t d � | D� � } | j | � } | j | � } xP | D]H } | i | j | d 6g | D] } | j | d | ^ q] d 6f Vq< WxO | D]G } | i | j
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Returns the difference between the old and new sets of models as a 5-tuple:
added_models, deleted_models, added_fields, deleted_fields, changed_fields
t managedt Truet FalseR5 R R t :t DeleteM2MR( t unique_togetherR= t index_togetherR? s []i R< R4 t AddM2MR: R> R7 t field_defR6 R8 t old_fieldR9 t old_deft new_defc s s | ] } t | � Vq d S( N( t tuple( t .0t o( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pys <genexpr>8 s c s s | ] } t | � Vq d S( N( RV ( RW t n( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pys <genexpr>9 s N( RO s DeleteUnique( RP s DeleteIndex( RO s AddUnique( RP s AddIndex( RO s AddUniques DeleteUnique( RP s AddIndexs DeleteIndex( t setR/ R1 R R0 t getR t evalR R R R t addR! R) RK t IGNORED_FIELD_TYPESRL t intersectiont different_attributesR t db_indext uniquet frozensett
difference( R t deleted_modelsR t
old_fieldst old_metat old_m2msR' R( t attrt operationt togetherR< RI t
new_fieldst new_metat new_m2mst
field_allowedt
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c C sd t | t t f � oc t | � d k oc t | d t � oc t | d t t f � oc t | d t � S( s) Returns whether the argument is a triple.i i i i ( R t listRV t lenR t dict( t clsR ( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pyt is_tripleH s 'c C s� | j | � s | j | � r* | | k S| \ } } } | \ } } } | | } } t | j � � } t | j � � } d | k r� | d =n d | k r� | d =n | | k r| j d � r| j d � s� | j d � r| j d � d | j d � d k r
t Sd } } qn | r�d | k r�d | d k r�d | d
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Backwards-compat comparison that ignores orm. on the RHS and not the left
and which knows django.db.models.fields.CharField = models.CharField.
Has a whole load of tests in tests/autodetection.py.
Rb s models.s django.db.modelss django.contrib.gisR i����R
t tot ormi t 'i ( R| Rz R t
startswithR RK t
IndexError( R{ t oldt newRS t old_post old_kwdR9 t new_post new_kwd( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pyR` P s4
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( R* R+ R, R R^ R2 R RA t classmethodR| R` ( ( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pyR- : s , �t
ManualChangesc B s) e Z d Z d � Z d � Z d � Z RS( s6
Detects changes by reading the command line.
c C s( | | _ | | _ | | _ | | _ d S( N( R. t added_modelst added_fieldst
added_indexes( R R. R� R� R� ( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pyR2 � s c C s� g } x" | j D] } | j d | � q Wx" | j D] } | j d | � q5 Wx" | j D] } | j d | � qZ Wd j | � j d d � S( Ns add_model_%ss add_field_%ss add_index_%sR; R ( R� RB R� R� RE t replace( R t bitsR t
field_namet
index_name( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pyR � s c c s� t | j j � g � } xj | j D]_ } t j | j j � | � } | j | | t | � � \ } } } d i | d 6| d 6f Vq" Wx� | j D]� } y | j d � \ } } Wn' t
t f k
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ValueErrorR R R� t print( R t
model_defsR R R R R t
field_descR� ( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pyRA � s6 %%( R* R+ R, R2 R RA ( ( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pyR� � s
t InitialChangesc B s) e Z d Z d � Z d � Z d � Z RS( s0
Creates all models; handles --initial.
c C s d S( Nt initial( ( R ( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pyR � s c C s
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get_modelst get_appR t abstractt getattrRL RK R R R\ R[ R R R R t relt throught
through_modelt AttributeError( R R� R R R R Ri Rj Rk R< RI R R R( R� ( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pyRA � s: (7%
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__future__R t django.dbR t# django.contrib.contenttypes.genericR t django.utils.datastructuresR t south.creator.freezerR R R t south.utilsR t south.utils.py3R t objectR R- R� R� ( ( ( s9 /usr/lib/python2.7/site-packages/south/creator/changes.pyt <module> s *� M: