o
    [h                     @   s  d dl mZ d dlmZmZ d dlmZ d dlmZ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
 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%G d-d. d.e"Z&G d/d0 d0e"Z'G d1d2 d2e"Z(d3S )4    )models)	OperationOperationCategory)
ModelState)field_referencesresolve_relation)normalize_together)cached_property   )AddField
AlterFieldFieldOperationRemoveFieldRenameFieldc                 C   s6   t  }|D ]}||v rtd|| f || qd S )Nz4Found duplicate value %s in CreateModel %s argument.)set
ValueErroradd)Zarg_nameZobjsZ	used_valsval r   /home/ubuntu/experiments/live_experiments/Pythonexperiments/Otree/venv/lib/python3.10/site-packages/django/db/migrations/operations/models.py_check_for_duplicates   s   
r   c                       s@   e Zd Zdd Zedd Zdd Z fddZ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      zModelOperation.references_modelc                    s   t  ||p| ||S r   )superreducecan_reduce_throughr   	operationr%   	__class__r   r   r)       s   zModelOperation.reducec                 C   s   | | j| S r   )r&   r   r+   r   r   r   r*   %      z!ModelOperation.can_reduce_through)
__name__
__module____qualname__r   r	   r!   r&   r)   r*   __classcell__r   r   r-   r   r      s    
r   c                       sx   e Zd ZdZej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>7       z'CreateModel.__init__.<locals>.<genexpr>basesc                 s   s8    | ]}t |d r|jjn
t|tr| n|V  qdS )_metaN)hasattrr?   Zlabel_lower
isinstancestrr   )r:   baser   r   r   r<   :   s    

r7   c                 s   r8   r   r   r9   r   r   r   r<   C   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   rD   r7   Managerr.   r2   r   kwargsr   r   r   deconstructE   s   


zCreateModel.deconstructc              
   C   s6   | t|| jt| jt| jt| jt| j	 d S r   )
Z	add_modelr   r   listr5   dictr6   tupler>   r7   r   r%   stater   r   r   state_forwardsR   s   zCreateModel.state_forwardsc                 C   sf   |j || j}| |jj|r/|| |j|| jf }|j	
d }r1||t | d S d S d S )Nindex_together)apps	get_modelr   allow_migrate_model
connectionaliascreate_modelr   r!   r6   getZalter_index_togetherr   )r   r%   schema_editor
from_stateto_statemodelto_model_staterP   r   r   r   database_forwards^   s   
zCreateModel.database_forwardsc                 C   2   |j || j}| |jj|r|| d S d S r   rQ   rR   r   rS   rT   rU   Zdelete_modelr   r%   rX   rY   rZ   r[   r   r   r   database_backwardsn      zCreateModel.database_backwardsc                 C   s    d| j ddr
dnd| jf S )NzCreate %smodel %sproxyFzproxy  )r6   rW   r   r    r   r   r   describes   s   zCreateModel.describec                 C   s   | j S r   r!   r    r   r   r   migration_name_fragmenty   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   rD   rA   rC   Z	ModelBaserB   r   r5   r   )r   r   r%   r!   Zreference_model_tuplerC   _namefieldr   r   r   r&   }   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rz| j jkrzt| j| j	| j| 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| j| j	i | jd ji| 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r(t| j| j	 j jfg | j| j
| jdgS t  trDt| j fdd| j	D | j| j
| jdgS t  tr| j  }d	D ]!}||d }|rqt!t"t# fd
d|D }|rq|||< qQ|d}| jkr|d= t| j fdd| j	D || j
| jdgS t  t$r| j  }d	D ]}||}|r fdd|D ||< q|d}| j%krʈ j|d< t| j fdd| j	D || j
| jdgS nt  t&r| j jkrt  t'rt| j| j	i | jdg | jdg  j(i| j
| jdgS t  t)r; fdd| jdg D }t| j| j	i | jd|i| j
| jdgS t  t*r`t| j| j	i | jdg | jdg  j+i| j
| jdgS t  t,r fdd| jdg D }	t| j| j	i | jd|	i| j
| jdgS t- . |S )Nrc   F)r5   r6   r>   r7   db_tabledb_table_commentorder_with_respect_toc                    s(   g | ]\}}|| j kr jn|fqS r   )r   ri   r:   nvr,   r   r   
<listcomp>      z&CreateModel.reduce.<locals>.<listcomp>)unique_togetherrP   c                 3   s&    | ]}t  fd d|D V  qdS )c                 3   s    | ]
}| j kr|V  qd S r   rf   r:   frp   r   r   r<   *  s    z/CreateModel.reduce.<locals>.<genexpr>.<genexpr>NrL   r:   r5   rp   r   r   r<   )  s    
z%CreateModel.reduce.<locals>.<genexpr>c                    s&   g | ]\}}|   jkr||fqS r   r#   rm   rp   r   r   rq   9  s
    c                    s"   h | ]}t  fd d|D qS )c                 3   s$    | ]}| j kr jn|V  qd S r   old_namenew_namert   rp   r   r   r<   I  s
    
z/CreateModel.reduce.<locals>.<setcomp>.<genexpr>rv   rw   rp   r   r   	<setcomp>H  s    z%CreateModel.reduce.<locals>.<setcomp>c                    s(   g | ]\}}| j kr jn||fqS r   rx   rm   rp   r   r   rq   U  rr   indexesc                       g | ]
}|j  j kr|qS r   r   )r:   indexrp   r   r   rq   s  
    constraintsc                    r}   r   r   )r:   
constraintrp   r   r   rq     r   )/rA   DeleteModelr!   r6   rW   RenameModelold_name_lowerr4   rz   r5   r>   r7   AlterModelOptionsALTER_OPTION_KEYSpopr   AlterModelManagersAlterModelTabletableAlterModelTableCommenttable_commentAlterTogetherOptionOperationoption_nameoption_valueAlterOrderWithRespectTorl   r   model_name_lowerr   ri   r   r   copyr   filterboolr   ry   IndexOperationAddIndexr~   RemoveIndexAddConstraintr   RemoveConstraintr(   r)   )
r   r,   r%   r6   keyr   optionrl   Zoptions_indexesZoptions_constraintsr-   rp   r   r)      s  





	













zCreateModel.reduce)NNN)r0   r1   r2   __doc__r   ADDITIONcategoryserialization_expand_argsr   rI   rO   r]   ra   re   propertyrg   r&   r)   r3   r   r   r-   r   r4   )   s    
r4   c                   @   R   e Zd ZdZej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   rG   r   r   r   rI     s   zDeleteModel.deconstructc                 C   s   | || j d S r   )Zremove_modelr!   rM   r   r   r   rO        zDeleteModel.state_forwardsc                 C   r^   r   r_   r`   r   r   r   r]     rb   zDeleteModel.database_forwardsc                 C   s2   |j || j}| |jj|r|| d S d S r   )rQ   rR   r   rS   rT   rU   rV   r`   r   r   r   ra     rb   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   re     r   zDeleteModel.describec                 C   r   )Nz	delete_%srf   r    r   r   r   rg     r"   z#DeleteModel.migration_name_fragmentN)r0   r1   r2   r   r   REMOVALr   rI   rO   r]   ra   r&   re   r   rg   r   r   r   r   r     s    r   c                       s   e Zd ZdZej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   )ry   rz   r(   r   )r   ry   rz   r-   r   r   r     s   zRenameModel.__init__c                 C   r   r   ry   r   r    r   r   r   r     r"   zRenameModel.old_name_lowerc                 C   r   r   rz   r   r    r   r   r   new_name_lower  r"   zRenameModel.new_name_lowerc                 C      | j | jd}| jjg |fS )Nrx   )ry   rz   r.   r2   rG   r   r   r   rI        zRenameModel.deconstructc                 C      | || j| j d S r   )Zrename_modelry   rz   rM   r   r   r   rO        zRenameModel.state_forwardsc                 C   s
  |j || j}| |jj|r|j || j}|||jj	|jj	 |jj
D ]3}|j|kr6|}|| jf}	n|jjj|jjjf}	|j j|	 }|j j|	 j|jj}
|||j|
 q't|jj|jj}|D ]\}}|j|jksv|jjjjswqf|j|||dd qfd S d S )NF)strict)rQ   rR   rz   rS   rT   rU   ry   alter_db_tabler?   rj   Zrelated_objectsZrelated_modelr   r%   
model_name	get_fieldri   r   Zalter_fieldziplocal_many_to_manyr[   remote_fieldthroughauto_createdZ_alter_many_to_many)r   r%   rX   rY   rZ   	new_model	old_modelZrelated_objectr[   Zrelated_keyZto_fieldr5   	old_field	new_fieldr   r   r   r]     sP   

zRenameModel.database_forwardsc                 C   s\   | j | j| _| _ | j| j| _| _| |||| | j | j| _| _ | j| j| _| _d S r   )r   r   ry   rz   r]   r   r%   rX   rY   rZ   r   r   r   ra     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 %srx   r    r   r   r   re   .  r/   zRenameModel.describec                 C   r   )Nrename_%s_%s)r   r   r    r   r   r   rg   1     z#RenameModel.migration_name_fragmentc                    sH   t |tr| j|jkrt| j|jgS tt| ||p#|	| j| S r   )
rA   r   r   r   ry   rz   r(   r   r)   r&   r+   r-   r   r   r)   5  s   
zRenameModel.reduce)r0   r1   r2   r   r   
ALTERATIONr   r   r	   r   r   rI   rO   r]   ra   r&   re   r   rg   r)   r3   r   r   r-   r   r     s"    

0
r   c                       s"   e Zd ZejZ fddZ  ZS )ModelOptionOperationc                    s0   t || jtfr| j|jkr|gS t ||S r   )rA   r.   r   r!   r(   r)   r+   r-   r   r   r)   J  s
   zModelOptionOperation.reduce)r0   r1   r2   r   r   r   r)   r3   r   r   r-   r   r   G  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 )r   zRename a model's table.c                       || _ t | d S r   )r   r(   r   )r   r   r   r-   r   r   r   V     zAlterModelTable.__init__c                 C   r   )Nr   r   )r   r   r.   r2   rG   r   r   r   rI   Z  r   zAlterModelTable.deconstructc                 C      | || jd| ji d S )Nrj   )alter_model_optionsr!   r   rM   r   r   r   rO   a  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   )rQ   rR   r   rS   rT   rU   r   r?   rj   r   r   r   r   r   )	r   r%   rX   rY   rZ   r   r   r   r   r   r   r   r]   d  s(   

z!AlterModelTable.database_forwardsc                 C      |  ||||S r   r]   r   r   r   r   ra   x  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   re   {  s   zAlterModelTable.describec                 C   r   )Nzalter_%s_tablerf   r    r   r   r   rg     r"   z'AlterModelTable.migration_name_fragment)r0   r1   r2   r   r   rI   rO   r]   ra   re   r   rg   r3   r   r   r-   r   r   S  s    r   c                       sP   e 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 )r   c                    r   r   )r   r(   r   )r   r   r   r-   r   r   r     r   zAlterModelTableComment.__init__c                 C   r   )N)r   r   )r   r   r.   r2   rG   r   r   r   rI     r   z"AlterModelTableComment.deconstructc                 C   r   )Nrk   )r   r!   r   rM   r   r   r   rO        z%AlterModelTableComment.state_forwardsc                 C   sN   |j || j}| |jj|r%|j || j}|||jj|jj d S d S r   )	rQ   rR   r   rS   rT   rU   Zalter_db_table_commentr?   rk   )r   r%   rX   rY   rZ   r   r   r   r   r   r]     s   z(AlterModelTableComment.database_forwardsc                 C   r   r   r   r   r   r   r   ra     r/   z)AlterModelTableComment.database_backwardsc                 C      d| j  dS )NzAlter z table commentr   r    r   r   r   re     r'   zAlterModelTableComment.describec                 C   r   )NZalter_Z_table_commentrf   r    r   r   r   rg     s   z.AlterModelTableComment.migration_name_fragment)r0   r1   r2   r   rI   rO   r]   ra   re   r   rg   r3   r   r   r-   r   r     s    
r   c                       st   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 f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   rG   r   r   r   rI     s   z(AlterTogetherOptionOperation.deconstructc                 C      | || j| j| ji d S r   )r   r!   r   r   rM   r   r   r   rO     
   
z+AlterTogetherOptionOperation.state_forwardsc           	      C   s   |j || j}| |jj|r@|j|| jf }|j|| jf }t|d| j	 }|||j
| j	p3t |j
| j	p<t  d S d S )Nzalter_%s)rQ   rR   r   rS   rT   rU   r   r!   r   r   r6   rW   r   )	r   r%   rX   rY   rZ   r   from_model_stater\   Zalter_togetherr   r   r   r]     s   z.AlterTogetherOptionOperation.database_forwardsc                 C   r   r   r   r   r   r   r   ra     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   rw   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))rd   )r   r   lenr   r    r   r   r   re     s
   z%AlterTogetherOptionOperation.describec                 C   r   Nzalter_%s_%s)r!   r   r    r   r   r   rg     r   z4AlterTogetherOptionOperation.migration_name_fragmentc                    s(   t  ||pt|tot|t| uS r   )r(   r*   rA   r   typer+   r-   r   r   r*     s   
z/AlterTogetherOptionOperation.can_reduce_through)r0   r1   r2   r   r   r	   r   rI   rO   r]   ra   r   re   r   rg   r*   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.
    rs   c                       t  || d S r   r(   r   )r   r   rs   r-   r   r   r     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.
    rP   c                    r   r   r   )r   r   rP   r-   r   r   r     r   zAlterIndexTogether.__init__r   r   r   r-   r   r     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.rl   c                    r   r   )rl   r(   r   )r   r   rl   r-   r   r   r     r   z AlterOrderWithRespectTo.__init__c                 C   r   )Nr   rl   )r   rl   r.   r2   rG   r   r   r   rI     r   z#AlterOrderWithRespectTo.deconstructc                 C   r   r   )r   r!   r   rl   rM   r   r   r   rO     r   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   )rQ   rR   r   rS   rT   rU   r?   rl   Zremove_fieldr   has_defaultdefaultZ	add_field)r   r%   rX   rY   rZ   Zto_model
from_modelri   r   r   r   r]     s.   z)AlterOrderWithRespectTo.database_forwardsc                 C   s   |  |||| d S r   r   r   r   r   r   ra   7     z*AlterOrderWithRespectTo.database_backwardsc                 C   s    |  ||o| jd u p|| jkS r   )r&   rl   r   r   r   r   r   :  s   z(AlterOrderWithRespectTo.references_fieldc                 C   r   )Nz%Set order_with_respect_to on %s to %sr   r    r   r   r   re   ?  s   z AlterOrderWithRespectTo.describec                 C   r   )Nzalter_%s_order_with_respect_torf   r    r   r   r   rg   E  r"   z/AlterOrderWithRespectTo.migration_name_fragment)r0   r1   r2   r   r   r   rI   rO   r]   ra   r   re   r   rg   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.
    )Zbase_manager_nameZdefault_manager_nameZdefault_related_nameZget_latest_byZmanagedZorderingZpermissionsZdefault_permissionsZselect_on_saveZverbose_nameZ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   rG   r   r   r   rI   d  r   zAlterModelOptions.deconstructc                 C      | || j| j| j d S r   )r   r!   r6   r   rM   r   r   r   rO   k  s   z AlterModelOptions.state_forwardsc                 C      d S r   r   r   r   r   r   r]   s     z#AlterModelOptions.database_forwardsc                 C   r   r   r   r   r   r   r   ra   v  r   z$AlterModelOptions.database_backwardsc                 C   r   )NzChange Meta options on %sr   r    r   r   r   re   y  r   zAlterModelOptions.describec                 C   r   )Nzalter_%s_optionsrf   r    r   r   r   rg   |  r"   z)AlterModelOptions.migration_name_fragment)r0   r1   r2   r   r   r   rI   rO   r]   ra   re   r   rg   r3   r   r   r-   r   r   J  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 )r   z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   rI     r   zAlterModelManagers.deconstructc                 C   r   r   )Zalter_model_managersr!   r7   rM   r   r   r   rO     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   ra     r   z%AlterModelManagers.database_backwardsc                 C   r   )NzChange managers on %sr   r    r   r   r   re     r   zAlterModelManagers.describec                 C   r   )Nzalter_%s_managersrf   r    r   r   r   rg     r"   z*AlterModelManagers.migration_name_fragment)r0   r1   r2   r   r   r   rI   rO   r]   ra   re   r   rg   r3   r   r   r-   r   r     s    r   c                   @   s   e Zd ZdZedd ZdS )r   r|   c                 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                       sb   e Zd ZdZej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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   r~   )r   r   r~   r   r   r   r     s   
zAddIndex.__init__c                 C   r   r   )	add_indexr   r~   rM   r   r   r   rO     r   zAddIndex.state_forwardsc                 C   6   |j || j}| |jj|r||| j d S d S r   )rQ   rR   r   rS   rT   rU   r   r~   r`   r   r   r   r]        zAddIndex.database_forwardsc                 C   s6   |j || j}| |jj|r||| j d S d S r   )rQ   rR   r   rS   rT   rU   remove_indexr~   r`   r   r   r   ra     r   zAddIndex.database_backwardsc                 C   r   N)r   r~   )r   r~   r.   r2   rG   r   r   r   rI        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 %s, c                 S   s   g | ]}t |qS r   )rB   )r:   
expressionr   r   r   rq     s    z%AddIndex.describe.<locals>.<listcomp>z*Create index %s on field(s) %s of model %s)r~   Zexpressionsr   joinr   r5   r    r   r   r   re     s   zAddIndex.describec                 C      d| j | jj f S Nz%s_%s)r   r~   r   r   r    r   r   r   rg        z AddIndex.migration_name_fragmentc                    s`   t |tr| jj|jkrg S t |tr)| jj|jkr)|j| j_| j| j| jdgS t	 
||S r   )rA   r   r~   r   RenameIndexry   rz   r.   r   r(   r)   r+   r-   r   r   r)     s   
zAddIndex.reduce)r0   r1   r2   r   r   r   r   r   rO   r]   ra   rI   re   r   rg   r)   r3   r   r   r-   r   r     s    	
r   c                   @   r   )r   zRemove an index from a model.c                 C      || _ || _d S r   r   r   r   r   r   r   r   r   r        
zRemoveIndex.__init__c                 C   r   r   )r   r   r   rM   r   r   r   rO     r   zRemoveIndex.state_forwardsc                 C   sP   |j || j}| |jj|r&|j|| jf }|| j	}|
|| d S d S r   )rQ   rR   r   rS   rT   rU   r   r   get_index_by_namer   r   )r   r%   rX   rY   rZ   r[   r   r~   r   r   r   r]        zRemoveIndex.database_forwardsc                 C   P   |j || j}| |jj|r&|j|| jf }|| j	}|
|| d S d S r   )rQ   rR   r   rS   rT   rU   r   r   r   r   r   )r   r%   rX   rY   rZ   r[   r\   r~   r   r   r   ra     r   zRemoveIndex.database_backwardsc                 C   r   Nr   )r   r   r.   r2   rG   r   r   r   rI      r   zRemoveIndex.deconstructc                 C   r   )NzRemove index %s from %sr   r   r    r   r   r   re     r/   zRemoveIndex.describec                 C      d| j | j f S Nzremove_%s_%sr   r   r   r    r   r   r   rg        z#RemoveIndex.migration_name_fragmentN)r0   r1   r2   r   r   r   r   r   rO   r]   ra   rI   re   r   rg   r   r   r   r   r     s    r   c                       s|   e Zd ZdZejZd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edd Z fddZ  ZS )r   zRename an index.Nc                 C   s<   |s|st d|r|rt d|| _|| _|| _|| _d S )NzHRenameIndex requires one of old_name and old_fields arguments to be set.z;RenameIndex.old_name and old_fields are mutually exclusive.)r   r   rz   ry   
old_fields)r   r   rz   ry   r   r   r   r   r     s   
zRenameIndex.__init__c                 C   r   r   r   r    r   r   r   r   '  r"   zRenameIndex.old_name_lowerc                 C   r   r   r   r    r   r   r   r   +  r"   zRenameIndex.new_name_lowerc                 C   s<   | j | jd}| jr| j|d< | jr| j|d< | jjg |fS )N)r   rz   ry   r   )r   rz   ry   r   r.   r2   rG   r   r   r   rI   /  s   

zRenameIndex.deconstructc                 C   sX   | j r||| jtj| j | jd ||| jtj| j  d S |	|| j| j
| j d S )Nr5   r   )r   r   r   r   Indexrz   Zremove_model_optionsr   r   rename_indexry   rM   r   r   r   rO   :  s   zRenameIndex.state_forwardsc                    s   |j || j}| |jj|sd S | jrQ|j || j  fdd| jD }|j |ddd}t|dkrFt	dt| j
jd|f tj| j|d	 d
}n|j|| jf }	|	| j}|j| jkrgd S |j|| jf }
|
| j}|||| d S )Nc                    s   g | ]	} j |jqS r   )r?   r   column)r:   ri   r   r   r   rq   S  s    z1RenameIndex.database_forwards.<locals>.<listcomp>TF)Zcolumn_namesr~   uniquer
   z.Found wrong number (%s) of indexes for %s(%s).r   r   r   )rQ   rR   r   rS   rT   rU   r   Z_constraint_namesr   r   r?   rj   r   r   r   r   r   ry   r   rz   r  )r   r%   rX   rY   rZ   r[   columnsZmatching_index_nameZ	old_indexr   r\   Z	new_indexr   r  r   r]   L  sD   
zRenameIndex.database_forwardsc                 C   sf   | j rd S | j| j| _| _| j| j| _| _| |||| | j| j| _| _| j| j| _| _d S r   )r   r   r   ry   rz   r]   r   r   r   r   ra   t  s   

zRenameIndex.database_backwardsc                 C   s>   | j rd| j  d| j d| j S d| j d| j d| j S )NzRename index  on z to zRename unnamed index for )ry   r   rz   r   r    r   r   r   re     s   zRenameIndex.describec                 C   s0   | j rd| j| jf S d| jd| j| jf S )Nr   zrename_%s_%s_%sr;   )ry   r   r   r   r   r   r    r   r   r   rg     s   
z#RenameIndex.migration_name_fragmentc                    sP   t |tr!| j|jkr!|jr!| j|jkr!t| j|j| j| jdgS t	 
||S )N)rz   ry   r   )rA   r   r   ry   r   r   r   rz   r   r(   r)   r+   r-   r   r   r)     s   zRenameIndex.reduce)NN)r0   r1   r2   r   r   r   r   r   r	   r   r   rI   rO   r]   ra   re   r   rg   r)   r3   r   r   r-   r   r     s     


(

	r   c                       b   e Zd Zej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 fddZ  ZS )r   r   c                 C   r   r   r   r   )r   r   r   r   r   r   r     r   zAddConstraint.__init__c                 C   r   r   )add_constraintr   r   rM   r   r   r   rO     r   zAddConstraint.state_forwardsc                 C   r   r   )rQ   rR   r   rS   rT   rU   r	  r   r`   r   r   r   r]     r   zAddConstraint.database_forwardsc                 C   r   r   )rQ   rR   r   rS   rT   rU   remove_constraintr   r`   r   r   r   ra     r   z AddConstraint.database_backwardsc                 C      | j jg | j| jdfS )Nr  )r.   r0   r   r   r    r   r   r   rI        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   re     s   zAddConstraint.describec                 C   r   r   r   r   r   r   r    r   r   r   rg     r   z%AddConstraint.migration_name_fragmentc                    sj   t |tr| j|jkr| jj|jkrg S t |tr.| j|jkr.| jj|jkr.t| j|jgS t 	||S r   )
rA   r   r   r   r   AlterConstraintr   r   r(   r)   r+   r-   r   r   r)     s   zAddConstraint.reduce)r0   r1   r2   r   r   r   r   r   rO   r]   ra   rI   re   r   rg   r)   r3   r   r   r-   r   r     s    

r   c                   @   sR   e Zd Zej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   r   c                 C   r   r   r   r   r   r   r   r     r   zRemoveConstraint.__init__c                 C   r   r   )r
  r   r   rM   r   r   r   rO     r   zRemoveConstraint.state_forwardsc                 C   sP   |j || j}| |jj|r&|j|| jf }|| j	}|
|| d S d S r   )rQ   rR   r   rS   rT   rU   r   r   get_constraint_by_namer   r
  )r   r%   rX   rY   rZ   r[   r   r   r   r   r   r]     r   z"RemoveConstraint.database_forwardsc                 C   r   r   )rQ   rR   r   rS   rT   rU   r   r   r  r   r	  )r   r%   rX   rY   rZ   r[   r\   r   r   r   r   ra     r   z#RemoveConstraint.database_backwardsc                 C   r  r   )r.   r0   r   r   r    r   r   r   rI     r  zRemoveConstraint.deconstructc                 C   r   )Nz"Remove constraint %s from model %sr   r    r   r   r   re   	  r/   zRemoveConstraint.describec                 C   r   r   r   r    r   r   r   rg     r   z(RemoveConstraint.migration_name_fragmentN)r0   r1   r2   r   r   r   r   r   rO   r]   ra   rI   re   r   rg   r   r   r   r   r     s    
r   c                       r  )r  r   c                 C   s   || _ || _|| _d S r   r   r   r   )r   r   r   r   r   r   r   r     s   
zAlterConstraint.__init__c                 C   r   r   )Zalter_constraintr   r   r   rM   r   r   r   rO     r   zAlterConstraint.state_forwardsc                 C   r   r   r   r   r   r   r   r]     r   z!AlterConstraint.database_forwardsc                 C   r   r   r   r   r   r   r   ra   "  r   z"AlterConstraint.database_backwardsc                 C   s   | j jg | j| j| jdfS )Nr  )r.   r0   r   r   r   r    r   r   r   rI   %  s   zAlterConstraint.deconstructc                 C   s   d| j  d| j S )NzAlter constraint r  r   r    r   r   r   re   0  r   zAlterConstraint.describec                 C   r   r   r  r    r   r   r   rg   3  r   z'AlterConstraint.migration_name_fragmentc                    s:   t |ttfr| j|jkr| j|jkr|gS t ||S r   )rA   r  r   r   r   r(   r)   r+   r-   r   r   r)   7  s   zAlterConstraint.reduce)r0   r1   r2   r   r   r   r   r   rO   r]   ra   rI   re   r   rg   r)   r3   r   r   r-   r   r    s    
r  N))Z	django.dbr   Z$django.db.migrations.operations.baser   r   Zdjango.db.migrations.stater   Zdjango.db.migrations.utilsr   r   Zdjango.db.models.optionsr   Zdjango.utils.functionalr	   r5   r   r   r   r   r   r   r   r4   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r  r   r   r   r   <module>   s@    
   %y3&BD7@- 9+