o
    ^"<f[                     @   s  d dl mZ d dlmZ d dlmZ d dlmZ d dlm	Z	 ddl
mZmZmZmZmZ ddlmZmZmZ d	d
 ZG dd deZG dd deZG dd deZG dd deZG dd deZG dd deZG dd deZG dd deZG dd deZG dd deZG dd  d eZG d!d" d"eZ G d#d$ d$eZ!G d%d& d&e!Z"G d'd( d(e!Z#G d)d* d*e!Z$G d+d, d,e!Z%d-S ).    )models)	Operation)
ModelState)normalize_together)cached_property   )AddField
AlterFieldFieldOperationRemoveFieldRenameField)field_referencesget_referencesresolve_relationc                 C   s6   t  }|D ]}||v rtd|| f || qd S )Nz4Found duplicate value %s in CreateModel %s argument.)set
ValueErroradd)arg_nameobjs	used_valsval r   ]/var/www/html/kck/venv/lib/python3.10/site-packages/django/db/migrations/operations/models.py_check_for_duplicates   s   
r   c                       s8   e Zd Zdd Zedd Zdd Z fddZ  ZS )	ModelOperationc                 C   s
   || _ d S Nname)selfr   r   r   r   __init__      
zModelOperation.__init__c                 C   
   | j  S r   )r   lowerr   r   r   r   
name_lower      
zModelOperation.name_lowerc                 C   s   |  | jkS r   r"   r$   r   r   	app_labelr   r   r   references_model   s   zModelOperation.references_modelc                    s   t  ||p|| j| S r   )superreducer)   r   r   	operationr(   	__class__r   r   r+   "   s   zModelOperation.reduce)	__name__
__module____qualname__r   r   r$   r)   r+   __classcell__r   r   r.   r   r      s    
r   c                       sr   e Zd ZdZg dZd fdd	Zdd Zdd	 Zd
d Zdd Z	dd Z
edd Zdd Z fddZ  ZS )CreateModelzCreate a model's table.)fieldsoptionsmanagersNc                    sz   || _ |pi | _|ptjf| _|pg | _t | tddd | j D  tddd | jD  tddd | jD  d S )Nr5   c                 s       | ]\}}|V  qd S r   r   .0r   _r   r   r   	<genexpr>6       z'CreateModel.__init__.<locals>.<genexpr>basesc                 s   s8    | ]}t |d r|jjn
t|tr| n|V  qdS )_metaN)hasattrr?   label_lower
isinstancestrr"   )r:   baser   r   r   r<   7   s    
r7   c                 s   r8   r   r   r9   r   r   r   r<   <   r=   )	r5   r6   r   Modelr>   r7   r*   r   r   )r   r   r5   r6   r>   r7   r.   r   r   r   .   s   


zCreateModel.__init__c                 C   sn   | j | jd}| jr| j|d< | jr| jtjfkr| j|d< | jr0| jdt fgkr0| j|d< | jj	g |fS )N)r   r5   r6   r>   objectsr7   )
r   r5   r6   r>   r   rE   r7   Managerr/   r2   r   kwargsr   r   r   deconstruct>   s   


zCreateModel.deconstructc              
   C   s6   | t|| jt| jt| jt| jt| j	 d S r   )
	add_modelr   r   listr5   dictr6   tupler>   r7   r   r(   stater   r   r   state_forwardsO   s   
zCreateModel.state_forwardsc                 C   2   |j || j}| |jj|r|| d S d S r   apps	get_modelr   allow_migrate_model
connectionaliascreate_modelr   r(   schema_editor
from_stateto_statemodelr   r   r   database_forwardsY      zCreateModel.database_forwardsc                 C   2   |j || j}| |jj|r|| d S d S r   rT   rU   r   rV   rW   rX   delete_modelrZ   r   r   r   database_backwards^   r`   zCreateModel.database_backwardsc                 C   s    d| j ddr
dnd| jf S )NzCreate %smodel %sproxyFzproxy  )r6   getr   r#   r   r   r   describec   s    zCreateModel.describec                 C   s   | j S r   r$   r#   r   r   r   migration_name_fragmentf   s   z#CreateModel.migration_name_fragmentc                 C   s   |  }|| jkrdS ||f}| jD ]}|tjur,t|tjjtfr,t	|||kr, dS q| j
D ]\}}t|| jf||r@ dS q0dS )NTF)r"   r$   r>   r   rE   rB   rD   	ModelBaserC   r   r5   r   )r   r   r(   r$   reference_model_tuplerD   _namefieldr   r   r   r)   j   s   

zCreateModel.references_modelc                    s  t  tr| j jkr| jddsg S t  tr.| j jkr.t j| j	| j| j
| jdgS t  tr`| j jkr`i | j j} jD ]}| jvrQ||d  qDt| j| j	|| j
| jdgS t  tr| j jkrt| j| j	i | j j ji| j
| jdgS t  tr| j jkrt| j| j	i | jd ji| j
| jdgS t  tr| j jkrt  trt| j| j	 j jfg | j| j
| jdgS t  trt| j fdd| j	D | j| j
| jdgS t  tr7| j }dD ] }||d }|rttt fdd	|D }|r|||< q|d}| jkr"|d= t| j fd
d| j	D || j
| jdgS t  tr| j }dD ]}||}|rY fdd|D ||< qD|d}| j krk j|d< t| j fdd| j	D || j
| jdgS t! " |S )Nre   F)r5   r6   r>   r7   order_with_respect_toc                    s(   g | ]\}}|| j kr jn|fqS r   )r   rn   r:   nvr-   r   r   
<listcomp>       z&CreateModel.reduce.<locals>.<listcomp>)unique_togetherindex_togetherc                 3   s&    | ]}t  fd d|D V  qdS )c                 3   s    | ]
}| j kr|V  qd S r   ri   r:   frs   r   r   r<      s    z/CreateModel.reduce.<locals>.<genexpr>.<genexpr>NrN   r:   r5   rs   r   r   r<      s    
z%CreateModel.reduce.<locals>.<genexpr>c                    s&   g | ]\}}|   jkr||fqS r   r&   rp   rs   r   r   rt      s
    c                    s"   h | ]}t  fd d|D qS )c                 3   s$    | ]}| j kr jn|V  qd S r   old_namenew_namerx   rs   r   r   r<      s   " z/CreateModel.reduce.<locals>.<setcomp>.<genexpr>rz   r{   rs   r   r   	<setcomp>   s    z%CreateModel.reduce.<locals>.<setcomp>c                    s(   g | ]\}}| j kr jn||fqS r   r|   rp   rs   r   r   rt      ru   )#rB   DeleteModelr$   r6   rg   RenameModelold_name_lowerr4   r~   r5   r>   r7   AlterModelOptionsALTER_OPTION_KEYSpopr   AlterTogetherOptionOperationoption_nameoption_valueAlterOrderWithRespectToro   r
   model_name_lowerr   rn   r	   r   copyr   filterboolr   r}   r*   r+   )r   r-   r(   r6   keyr   optionro   r.   rs   r   r+   |   s   
	

			

	











zCreateModel.reduce)NNN)r0   r1   r2   __doc__serialization_expand_argsr   rJ   rQ   r_   rd   rh   propertyrj   r)   r+   r3   r   r   r.   r   r4   )   s    

r4   c                   @   L   e Zd ZdZdd Zdd Zdd Zdd	 Zd
d Zdd Z	e
dd ZdS )r   zDrop a model's table.c                 C   s   d| j i}| jjg |fS Nr   )r   r/   r2   rH   r   r   r   rJ      s   zDeleteModel.deconstructc                 C   s   | || j d S r   )remove_modelr$   rO   r   r   r   rQ        zDeleteModel.state_forwardsc                 C   ra   r   rb   rZ   r   r   r   r_   
  r`   zDeleteModel.database_forwardsc                 C   rR   r   rS   rZ   r   r   r   rd     r`   zDeleteModel.database_backwardsc                 C   s   dS )NTr   r'   r   r   r   r)     s   zDeleteModel.references_modelc                 C   
   d| j  S )NzDelete model %sr   r#   r   r   r   rh     r    zDeleteModel.describec                 C   r   )Nz	delete_%sri   r#   r   r   r   rj     r%   z#DeleteModel.migration_name_fragmentN)r0   r1   r2   r   rJ   rQ   r_   rd   r)   rh   r   rj   r   r   r   r   r      s    
r   c                       s   e Zd ZdZ fddZedd Zedd Zdd	 Zd
d Z	dd Z
dd Zdd Zdd Zedd Z fddZ  ZS )r   zRename a model.c                    s   || _ || _t | d S r   )r}   r~   r*   r   )r   r}   r~   r.   r   r   r   $  s   zRenameModel.__init__c                 C   r!   r   )r}   r"   r#   r   r   r   r   )  r%   zRenameModel.old_name_lowerc                 C   r!   r   )r~   r"   r#   r   r   r   new_name_lower-  r%   zRenameModel.new_name_lowerc                 C      | j | jd}| jjg |fS )Nr|   )r}   r~   r/   r2   rH   r   r   r   rJ   1     zRenameModel.deconstructc                 C   s   |j || jf  }| j|_||j || jf< || jf}d|| jf }t }t||D ]2\}}}	}
d }|
jr=|	 }||j	_
|
jrL|d u rH|	 }||j	_|r\||j|< ||j|jf q*|j|dd ||| j |j|| jdd d S )Nz%s.%sTdelay)r   r   cloner~   r   r   r   r   toremote_fieldr^   throughr5   r   r(   r$   reload_modelsr   reload_model)r   r(   rP   renamed_modelold_model_tuplenew_remote_model	to_reloadmodel_stater   rn   	referencechanged_fieldr   r   r   rQ   <  s,   

zRenameModel.state_forwardsc                 C   s>  |j || j}| |jj|r|j || j}|||jj	|jj	 |jj
D ]0}|j|kr6|}|| jf}	n|j}|jjj|jjjf}	|j j|	 j|jj}
|||j|
 q't|jj|jj}|D ]9\}}|j|jkss|jjjjstqc|jj}|jj}|||jj	|jj	 |||j|jj|j|jj qcd S d S r   )rT   rU   r~   rV   rW   rX   r}   alter_db_tabler?   db_tablerelated_objectsrelated_modelr   r(   
model_name	get_fieldrn   r   alter_fieldziplocal_many_to_manyr^   r   r   auto_created)r   r(   r[   r\   r]   	new_model	old_modelrelated_objectr^   related_keyto_fieldr5   	old_field	new_fieldold_m2m_modelnew_m2m_modelr   r   r   r_   W  sX   
zRenameModel.database_forwardsc                 C   s\   | j | j| _| _ | j| j| _| _| |||| | j | j| _| _ | j| j| _| _d S r   )r   r   r}   r~   r_   r   r(   r[   r\   r]   r   r   r   rd     s
   zRenameModel.database_backwardsc                 C   s   |  | jkp|  | jkS r   )r"   r   r   r'   r   r   r   r)     s   zRenameModel.references_modelc                 C      d| j | jf S )NzRename model %s to %sr|   r#   r   r   r   rh        zRenameModel.describec                 C   r   )Nzrename_%s_%s)r   r   r#   r   r   r   rj        z#RenameModel.migration_name_fragmentc                    sH   t |tr| j|jkrt| j|jgS tt| ||p#|	| j| S r   )
rB   r   r   r   r}   r~   r*   r   r+   r)   r,   r.   r   r   r+     s   
	zRenameModel.reduce)r0   r1   r2   r   r   r   r   r   rJ   rQ   r_   rd   r)   rh   r   rj   r+   r3   r   r   r.   r   r   !  s     

3	
r   c                       s   e Zd Z fddZ  ZS )ModelOptionOperationc                    s0   t || jtfr| j|jkr|gS t ||S r   )rB   r/   r   r$   r*   r+   r,   r.   r   r   r+     s   zModelOptionOperation.reduce)r0   r1   r2   r+   r3   r   r   r.   r   r     s    r   c                       sT   e Zd ZdZ fddZdd Zdd Zdd	 Zd
d Zdd Z	e
dd Z  ZS )AlterModelTablezRename a model's table.c                       || _ t | d S r   )tabler*   r   )r   r   r   r.   r   r   r        zAlterModelTable.__init__c                 C   r   )Nr   r   )r   r   r/   r2   rH   r   r   r   rJ     r   zAlterModelTable.deconstructc                 C   s.   | j |j|| jf jd< |j|| jdd d S )Nr   Tr   )r   r   r$   r6   r   rO   r   r   r   rQ     s   zAlterModelTable.state_forwardsc           	      C   s   |j || j}| |jj|rH|j || j}|||jj|jj t	|jj
|jj
D ]\}}|jjjjrG||jj|jjjj|jjjj q,d S d S r   )rT   rU   r   rV   rW   rX   r   r?   r   r   r   r   r   r   )	r   r(   r[   r\   r]   r   r   r   r   r   r   r   r_     s$   

z!AlterModelTable.database_forwardsc                 C      |  ||||S r   r_   r   r   r   r   rd     r   z"AlterModelTable.database_backwardsc                 C   s"   d| j | jd ur| jf S df S )NzRename table for %s to %sz	(default)r   r#   r   r   r   rh     s   zAlterModelTable.describec                 C   r   )Nzalter_%s_tableri   r#   r   r   r   rj     r%   z'AlterModelTable.migration_name_fragment)r0   r1   r2   r   r   rJ   rQ   r_   rd   rh   r   rj   r3   r   r   r.   r   r     s    r   c                       sh   e Zd ZdZ fddZedd Zdd Zdd	 Zd
d Z	dd Z
dd Zdd Zedd Z  ZS )r   Nc                    s.   |rt t|}t| | j| t | d S r   )r   r   setattrr   r*   r   )r   r   r   r.   r   r   r     s   z%AlterTogetherOptionOperation.__init__c                 C   s   t | | jS r   )getattrr   r#   r   r   r   r     s   z)AlterTogetherOptionOperation.option_valuec                 C   s    d| j | j| ji}| jjg |fS r   )r   r   r   r/   r2   rH   r   r   r   rJ     s   z(AlterTogetherOptionOperation.deconstructc                 C   s4   |j || jf }| j|j| j< |j|| jdd d S NTr   )r   r$   r   r6   r   r   r   r(   rP   r   r   r   r   rQ     s   z+AlterTogetherOptionOperation.state_forwardsc                 C   sp   |j || j}| |jj|r6|j || j}t|d| j }||t|j| jt	 t|j| jt	  d S d S )Nzalter_%s)
rT   rU   r   rV   rW   rX   r   r   r?   r   )r   r(   r[   r\   r]   r   r   alter_togetherr   r   r   r_     s   z.AlterTogetherOptionOperation.database_forwardsc                 C   r   r   r   r   r   r   r   rd     r   z/AlterTogetherOptionOperation.database_backwardsc                    s,   |  ||o| j pt fdd| jD S )Nc                 3   s    | ]} |v V  qd S r   r   r{   r   r   r   r<     r=   z@AlterTogetherOptionOperation.references_field.<locals>.<genexpr>)r)   r   anyr   r   r   r(   r   r   r   references_field  s   z-AlterTogetherOptionOperation.references_fieldc                 C   s   d| j | jt| jp
df S )Nz"Alter %s for %s (%s constraint(s))rf   )r   r   lenr   r#   r   r   r   rh   "  s   z%AlterTogetherOptionOperation.describec                 C   r   )Nzalter_%s_%s)r$   r   r#   r   r   r   rj   %  r   z4AlterTogetherOptionOperation.migration_name_fragment)r0   r1   r2   r   r   r   r   rJ   rQ   r_   rd   r   rh   r   rj   r3   r   r   r.   r   r     s    
	r   c                       $   e Zd ZdZdZ fddZ  ZS )AlterUniqueTogetherz|
    Change the value of unique_together to the target one.
    Input value of unique_together must be a set of tuples.
    rv   c                       t  || d S r   r*   r   )r   r   rv   r.   r   r   r   1  r   zAlterUniqueTogether.__init__r0   r1   r2   r   r   r   r3   r   r   r.   r   r   *      r   c                       r   )AlterIndexTogetherzz
    Change the value of index_together to the target one.
    Input value of index_together must be a set of tuples.
    rw   c                    r   r   r   )r   r   rw   r.   r   r   r   <  r   zAlterIndexTogether.__init__r   r   r   r.   r   r   5  r   r   c                       s`   e Zd ZdZdZ fddZdd Zdd Zd	d
 Zdd Z	dd Z
dd Zedd Z  ZS )r   z9Represent a change with the order_with_respect_to option.ro   c                    r   r   )ro   r*   r   )r   r   ro   r.   r   r   r   E  r   z AlterOrderWithRespectTo.__init__c                 C   r   )Nr   ro   )r   ro   r/   r2   rH   r   r   r   rJ   I  r   z#AlterOrderWithRespectTo.deconstructc                 C   s2   |j || jf }| j|jd< |j|| jdd d S )Nro   Tr   )r   r$   ro   r6   r   r   r   r   r   rQ   T     z&AlterOrderWithRespectTo.state_forwardsc                 C   s   |j || j}| |jj|rI|j || j}|jjr,|jjs,|||j	d d S |jjrK|jjsM|j	d}|
 sAd|_||| d S d S d S d S )N_orderr   )rT   rU   r   rV   rW   rX   r?   ro   remove_fieldr   has_defaultdefault	add_field)r   r(   r[   r\   r]   to_model
from_modelrn   r   r   r   r_   Y  s   z)AlterOrderWithRespectTo.database_forwardsc                 C   s   |  |||| d S r   r   r   r   r   r   rd   k  s   z*AlterOrderWithRespectTo.database_backwardsc                 C   s    |  ||o| jd u p|| jkS r   )r)   ro   r   r   r   r   r   n  s   
z(AlterOrderWithRespectTo.references_fieldc                 C   r   )Nz%Set order_with_respect_to on %s to %sr   r#   r   r   r   rh   w  r   z AlterOrderWithRespectTo.describec                 C   r   )Nzalter_%s_order_with_respect_tori   r#   r   r   r   rj   z  r%   z/AlterOrderWithRespectTo.migration_name_fragment)r0   r1   r2   r   r   r   rJ   rQ   r_   rd   r   rh   r   rj   r3   r   r   r.   r   r   @  s    	r   c                       s\   e Zd ZdZg dZ fddZdd Zdd Zd	d
 Zdd Z	dd Z
edd Z  ZS )r   z
    Set new model options that don't directly affect the database schema
    (like verbose_name, permissions, ordering). Python code in migrations
    may still need them.
    )base_manager_namedefault_manager_namedefault_related_nameget_latest_bymanagedorderingpermissionsdefault_permissionsselect_on_saveverbose_nameverbose_name_pluralc                    r   r   )r6   r*   r   )r   r   r6   r.   r   r   r     r   zAlterModelOptions.__init__c                 C   r   )N)r   r6   )r   r6   r/   r2   rH   r   r   r   rJ     r   zAlterModelOptions.deconstructc                 C   s\   |j || jf }i |j| j|_| jD ]}|| jvr"|j|d q|j|| jdd d S )NFTr   )r   r$   r6   r   r   r   )r   r(   rP   r   r   r   r   r   rQ     s   

z AlterModelOptions.state_forwardsc                 C      d S r   r   r   r   r   r   r_        z#AlterModelOptions.database_forwardsc                 C   r   r   r   r   r   r   r   rd     r   z$AlterModelOptions.database_backwardsc                 C   r   )NzChange Meta options on %sr   r#   r   r   r   rh     r    zAlterModelOptions.describec                 C   r   )Nzalter_%s_optionsri   r#   r   r   r   rj     r%   z)AlterModelOptions.migration_name_fragment)r0   r1   r2   r   r   r   rJ   rQ   r_   rd   rh   r   rj   r3   r   r   r.   r   r     s    r   c                       sZ   e Zd ZdZdgZ fddZdd Zdd Zd	d
 Zdd Z	dd Z
edd Z  ZS )AlterModelManagerszAlter the model's managers.r7   c                    r   r   )r7   r*   r   )r   r   r7   r.   r   r   r     r   zAlterModelManagers.__init__c                 C   s   | j j| j| jgi fS r   )r/   r2   r   r7   r#   r   r   r   rJ     s   
zAlterModelManagers.deconstructc                 C   s2   |j || jf }t| j|_|j|| jdd d S r   )r   r$   rL   r7   r   r   r   r   r   rQ     r   z!AlterModelManagers.state_forwardsc                 C   r   r   r   r   r   r   r   r_     r   z$AlterModelManagers.database_forwardsc                 C   r   r   r   r   r   r   r   rd     r   z%AlterModelManagers.database_backwardsc                 C   r   )NzChange managers on %sr   r#   r   r   r   rh     r    zAlterModelManagers.describec                 C   r   )Nzalter_%s_managersri   r#   r   r   r   rj     r%   z*AlterModelManagers.migration_name_fragment)r0   r1   r2   r   r   r   rJ   rQ   r_   rd   rh   r   rj   r3   r   r   r.   r   r     s    r   c                   @   s   e Zd ZdZedd ZdS )IndexOperationindexesc                 C   r!   r   )r   r"   r#   r   r   r   r     r%   zIndexOperation.model_name_lowerN)r0   r1   r2   r   r   r   r   r   r   r   r     s    r   c                   @   r   )AddIndexzAdd an index on a model.c                 C   s"   || _ |jstd| || _d S )NzSIndexes passed to AddIndex operations require a name argument. %r doesn't have one.)r   r   r   index)r   r   r   r   r   r   r     s   
zAddIndex.__init__c                 C   sH   |j || jf }g |j| j | j |j| j< |j|| jdd d S r   )r   r   r6   r   r   r   r   r   r   r   r   rQ     s   "zAddIndex.state_forwardsc                 C   6   |j || j}| |jj|r||| j d S d S r   )rT   rU   r   rV   rW   rX   	add_indexr   rZ   r   r   r   r_        zAddIndex.database_forwardsc                 C   s6   |j || j}| |jj|r||| j d S d S r   )rT   rU   r   rV   rW   rX   remove_indexr   rZ   r   r   r   rd     r   zAddIndex.database_backwardsc                 C   r   )N)r   r   )r   r   r/   r2   rH   r   r   r   rJ      r   zAddIndex.deconstructc                 C   sN   | j jrd| j jddd | j jD | jf S d| j jd| j j| jf S )Nz!Create index %s on %s on model %sz, c                 S   s   g | ]}t |qS r   )rC   )r:   
expressionr   r   r   rt     s    z%AddIndex.describe.<locals>.<listcomp>z*Create index %s on field(s) %s of model %s)r   expressionsr   joinr   r5   r#   r   r   r   rh     s   zAddIndex.describec                 C      d| j | jj f S Nz%s_%s)r   r   r   r"   r#   r   r   r   rj        z AddIndex.migration_name_fragmentNr0   r1   r2   r   r   rQ   r_   rd   rJ   rh   r   rj   r   r   r   r   r     s    	r   c                   @   r   )RemoveIndexzRemove an index from a model.c                 C      || _ || _d S r   r   r   r   r   r   r   r   r   r         
zRemoveIndex.__init__c                    L   |j | jf }|j j } fdd|D |j j< |j| jdd d S )Nc                       g | ]
}|j  j kr|qS r   r   )r:   idxr#   r   r   rt   '      z.RemoveIndex.state_forwards.<locals>.<listcomp>Tr   r   r   r6   r   r   )r   r(   rP   r   r   r   r#   r   rQ   $     zRemoveIndex.state_forwardsc                 C   sP   |j || j}| |jj|r&|j|| jf }|| j	}|
|| d S d S r   )rT   rU   r   rV   rW   rX   r   r   get_index_by_namer   r   )r   r(   r[   r\   r]   r^   from_model_stater   r   r   r   r_   *     zRemoveIndex.database_forwardsc                 C   P   |j || j}| |jj|r&|j|| jf }|| j	}|
|| d S d S r   )rT   rU   r   rV   rW   rX   r   r   r
  r   r   )r   r(   r[   r\   r]   r^   to_model_stater   r   r   r   rd   1  r  zRemoveIndex.database_backwardsc                 C   r   Nr  )r   r   r/   r2   rH   r   r   r   rJ   8  r   zRemoveIndex.deconstructc                 C   r   )NzRemove index %s from %sr   r   r#   r   r   r   rh   C  r   zRemoveIndex.describec                 C      d| j | j f S Nzremove_%s_%sr   r   r"   r#   r   r   r   rj   F     z#RemoveIndex.migration_name_fragmentNr   r   r   r   r   r     s    r   c                   @   r   )AddConstraintconstraintsc                 C   r   r   r   
constraint)r   r   r  r   r   r   r   N  r  zAddConstraint.__init__c                 C   sD   |j || jf }g |j| j | j|j| j< |j|| jdd d S r   )r   r   r6   r   r  r   r   r   r   r   rQ   R  s   zAddConstraint.state_forwardsc                 C   r   r   )rT   rU   r   rV   rW   rX   add_constraintr  rZ   r   r   r   r_   W  r   zAddConstraint.database_forwardsc                 C   r   r   )rT   rU   r   rV   rW   rX   remove_constraintr  rZ   r   r   r   rd   \  r   z AddConstraint.database_backwardsc                 C      | j jg | j| jdfS )Nr  )r/   r0   r   r  r#   r   r   r   rJ   a     zAddConstraint.deconstructc                 C   s   d| j j| jf S )Nz Create constraint %s on model %s)r  r   r   r#   r   r   r   rh   g  r   zAddConstraint.describec                 C   r   r   )r   r  r   r"   r#   r   r   r   rj   j  r   z%AddConstraint.migration_name_fragmentNr0   r1   r2   r   r   rQ   r_   rd   rJ   rh   r   rj   r   r   r   r   r  K  s    r  c                   @   r   )RemoveConstraintr  c                 C   r   r   r  r  r   r   r   r   r  r  zRemoveConstraint.__init__c                    r  )Nc                    r  r   r   )r:   cr#   r   r   rt   y  r  z3RemoveConstraint.state_forwards.<locals>.<listcomp>Tr   r  )r   r(   rP   r   r  r   r#   r   rQ   v  r	  zRemoveConstraint.state_forwardsc                 C   sP   |j || j}| |jj|r&|j|| jf }|| j	}|
|| d S d S r   )rT   rU   r   rV   rW   rX   r   r   get_constraint_by_namer   r  )r   r(   r[   r\   r]   r^   r  r  r   r   r   r_   |  r  z"RemoveConstraint.database_forwardsc                 C   r  r   )rT   rU   r   rV   rW   rX   r   r   r   r   r  )r   r(   r[   r\   r]   r^   r  r  r   r   r   rd     r  z#RemoveConstraint.database_backwardsc                 C   r  r  )r/   r0   r   r   r#   r   r   r   rJ     r  zRemoveConstraint.deconstructc                 C   r   )Nz"Remove constraint %s from model %sr  r#   r   r   r   rh     r   zRemoveConstraint.describec                 C   r  r  r  r#   r   r   r   rj     r  z(RemoveConstraint.migration_name_fragmentNr  r   r   r   r   r  o  s    r  N)&	django.dbr   $django.db.migrations.operations.baser   django.db.migrations.stater   django.db.models.optionsr   django.utils.functionalr   r5   r   r	   r
   r   r   utilsr   r   r   r   r   r4   r   r   r   r   r   r   r   r   r   r   r   r   r   r  r  r   r   r   r   <module>   s6    
 R' 6<?;#8.$