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o �h� � @ s� d dl mZ d dlmZ d dlmZ d dlmZmZ d dl m Z d dl m Z ddl mZmZmZmZmZ d d � ZG d d � d e�ZG d d� de�ZG dd� de�ZG dd� de�ZG dd� de�ZG dd� de�ZG dd� de�ZG dd� de�ZG dd � 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&d1S )2� )�models)� Operation)� ModelState)�field_references�resolve_relation)�normalize_together)�cached_property� )�AddField� AlterField�FieldOperation� RemoveField� RenameFieldc C s6 t � }|D ]}||v rtd|| f ��|�|� qd S )Nz4Found duplicate value %s in CreateModel %s argument.)�set� ValueError�add)�arg_name�objs� used_vals�val� r �\/usr/local/CyberPanel/lib/python3.10/site-packages/django/db/migrations/operations/models.py�_check_for_duplicates s � �r c s@ e Zd Zdd� Zedd� �Zdd� Z� fdd�Zd d � Z� Z S ) �ModelOperationc C s || _ d S �N��name)�selfr r r r �__init__ � zModelOperation.__init__c C � | j �� S r )r �lower�r r r r � name_lower � zModelOperation.name_lowerc C s |� � | jkS 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 �zModelOperation.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 sr e Zd ZdZg d�Zd� fdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z e dd� �Z dd� Z � fdd�Z� ZS )� CreateModelzCreate a model's table.)�fields�options�managersNc sz || _ |pi | _|p tjf| _|pg | _t� �|� tddd� | j D �� tddd� | jD �� tddd� | jD �� d S )Nr7 c s � � | ]\}}|V qd S r r ��.0r �_r r r � <genexpr>6 � � z'CreateModel.__init__.<locals>.<genexpr>�basesc s s8 � | ]}t |d �r |jjn t|t�r|�� n|V qdS )�_metaN)�hasattrrA � label_lower� isinstance�strr! )r< �baser r r r> 9 s � � � � �r9 c s r: r r r; r r r r> B r? ) r7 r8 r �Modelr@ r9 r* r r )r r r7 r8 r@ r9 r/ r r r . s �� zCreateModel.__init__c C sn | j | jd�}| jr| j|d< | jr | jtjfkr | j|d< | jr0| jdt�� fgkr0| j|d< | jj g |fS )N)r r7 r8 r@ �objectsr9 ) r r7 r8 r@ r rG r9 �Managerr0 r4 �r �kwargsr r r � deconstructD s � zCreateModel.deconstructc C s6 |� t|| jt| j�t| j�t| j�t| j ��� d S r ) � add_modelr r �listr7 �dictr8 �tupler@ r9 �r r' �stater r r �state_forwardsQ s ��zCreateModel.state_forwardsc C �2 |j �|| j�}| �|jj|�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_forwards] � �z CreateModel.database_forwardsc C �2 |j �|| j�}| �|jj|�r|�|� d S d S r �rV rW r rX rY rZ � delete_modelr\ r r r �database_backwardsb rb z CreateModel.database_backwardsc C s d| j �dd�r dnd| jf S )NzCreate %smodel %s�proxyFzproxy � )r8 �getr r" r r r �describeg s �zCreateModel.describec C s | j S r �r# r" r r r �migration_name_fragmentm s z#CreateModel.migration_name_fragmentc C s� |� � }|| jkr dS ||f}| jD ]}|tjur,t|tjjtf�r,t ||�|kr, dS q| j D ]\}}t || jf||�r@ dS q0dS )NTF) r! r# r@ r rG rD rF � ModelBaserE r r7 r )r r r' r# �reference_model_tuplerF �_name�fieldr r r r( q s$ �� ��z CreateModel.references_modelc s� t � t�r| j� jkr| j�dd�sg S t � t�r.| j� jkr.t� j| j | j| j | j d�gS t � t �r`| j� jkr`i | j�� j�}� j D ] }|� jvrQ|�|d � qDt| j| j || j | j d�gS t � t�rz| j� jkrzt| j| j | j| j � j d�gS t � t�r�| j� jkr�t| j| j i | j�� j� ji�| j | j d�gS t � t�r�| j� jkr�t| j| j i | j�d� ji�| j | j d�gS t � t��r�| j� jk�r�t � t�r�t| j| j � j� jfg | j| j | j d�gS t � t��rt| j� fdd�| j D �| j| j | j d�gS t � t��rS| j� � }dD ]!}|�|d �}|�r.t t t � fdd �|D ���}|�r.|||< �q|�d�}|� jk�r>|d= t| j� fd d�| j D �|| j | j d�gS t � t ��r�| j� � }dD ]}|�|�}|�ru� fd d �|D �||< �q`|�d�}|� j!k�r�� j|d< t| j� fd d�| j D �|| j | j d�gS n�t � t"��rE| j� jk�rEt � t#��r�t| j| j i | j�dg | j�dg ��� j$�i�| j | j d�gS t � t%��r�� fdd�| j�dg �D �}t| j| j i | j�d|i�| j | j d�gS t � t&��rE� j'�rE� fdd �| j�dg �D �} | �r| | jd< n| j�dd � t| j| j i | j�dg | j�dg ��t(j)� j'� jd��i�| j | j d�gS t*� �+� |�S )Nrg F)r7 r8 r@ r9 �order_with_respect_toc s( g | ]\}}||� j kr� jn|f�qS r )r rp �r< �n�v�r. r r � <listcomp>� � ��z&CreateModel.reduce.<locals>.<listcomp>)�unique_together�index_togetherc 3 s& � | ]}t � fd d�|D ��V qdS )c 3 s � | ] }|� j kr|V qd S r rk �r< �fru r r r> � s � �z/CreateModel.reduce.<locals>.<genexpr>.<genexpr>N�rP �r< r7 ru r r r> � s � �� �z%CreateModel.reduce.<locals>.<genexpr>c s& g | ]\}}|� � � jkr||f�qS r r% rr ru r r rv s �c s" h | ] }t � fd d�|D ���qS )c 3 s$ � | ] }|� j kr � jn|V qd S r ��old_name�new_namerz ru r r r> s � � �z/CreateModel.reduce.<locals>.<setcomp>.<genexpr>r| r} ru r r � <setcomp> s ���z%CreateModel.reduce.<locals>.<setcomp>c s( g | ]\}}|� j kr� jn||f�qS r r~ rr ru r r rv ) rw �indexesc s g | ] }|j � j kr|�qS r r )r< �indexru r r rv G s �c s h | ] }|� j kr|�qS r )� old_fieldsr} ru r r r� Y s �ry �r7 r ),rD � DeleteModelr# r8 ri � RenameModel�old_name_lowerr6 r� r7 r@ r9 �AlterModelOptions�ALTER_OPTION_KEYS�popr �AlterModelManagers� AlterTogetherOptionOperation� option_name� option_value�AlterOrderWithRespectTorq r �model_name_lowerr rp r r �copyr �filter�boolr r �IndexOperation�AddIndexr� � RemoveIndex� RenameIndexr� r �Indexr* r+ ) r r. r' r8 �keyr� �optionrq �options_indexes�options_index_togetherr/ ru r r+ � s� � �� �� � ��� � �� � � ��� � ���� � �� ��� ��� � ��� �� ���� � � ����� ����� � � ���� ��zCreateModel.reduce)NNN)r2 r3 r4 �__doc__�serialization_expand_argsr rL rS ra rf rj �propertyrl r( r+ r5 r r r/ r r6 ) s r6 c @ �L e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z e dd� �Z dS )r� zDrop a model's table.c C s d| j i}| jjg |fS �Nr )r r0 r4 rJ r r r rL y s �zDeleteModel.deconstructc C s |� || j� d S r )� remove_modelr# rQ r r r rS � zDeleteModel.state_forwardsc C rc r rd r\ r r r ra � rb z DeleteModel.database_forwardsc C rT r rU r\ r r r rf � rb z DeleteModel.database_backwardsc C s dS )NTr r& r r r r( � s z DeleteModel.references_modelc C � d| j S )NzDelete model %sr r" r r r rj � r zDeleteModel.describec C r� )Nz delete_%srk r" r r r rl � r$ z#DeleteModel.migration_name_fragmentN) r2 r3 r4 r� rL rS ra rf r( rj r� rl r r r r r� v s r� c s� e Zd ZdZ� fdd�Zedd� �Zedd� �Zdd � Zd d � Z d d � Z dd� Z dd� Z dd� Z edd� �Z� fdd�Z� ZS )r� zRename a model.c s || _ || _t� �|� d S r )r r� r* r )r r r� r/ r r r � s zRenameModel.__init__c C r r �r r! r" r r r r� � r$ zRenameModel.old_name_lowerc C r r �r� r! r" r r r �new_name_lower� r$ zRenameModel.new_name_lowerc C � | j | jd�}| jjg |fS )Nr~ )r r� r0 r4 rJ r r r rL � � �zRenameModel.deconstructc C � |� || j| j� d S r )� rename_modelr r� rQ r r r rS � � zRenameModel.state_forwardsc C s |j �|| j�}| �|jj|�r~|j �|| j�}|�||jj |jj � |jj D ]0}|j |kr6|}|| j f} n |j }|j jj |j jjf} |j j| � j�|jj�} |�||j| � q't|jj|jj�} | D ] \} } | j| j kss| jjjjstqc|j|| | dd� qcd S d S )NF)�strict)rV rW r� rX rY rZ r �alter_db_tablerA �db_table�related_objects� related_modelr� r' � model_name� get_fieldrp r � alter_field�zip�local_many_to_manyr` � remote_field�through� auto_created�_alter_many_to_many)r r' r] r^ r_ � new_model� old_model�related_objectr` � related_key�to_fieldr7 � old_field� new_fieldr r r ra � sP � ��� � ��� z RenameModel.database_forwardsc C s\ | j | j| _| _ | j| j| _| _| �||||� | j | j| _| _ | j| j| _| _d S r )r� r� r r� ra �r r' r] r^ r_ r r r rf � s � �z RenameModel.database_backwardsc C s |� � | jkp |� � | jkS r )r! r� r� r& r r r r( � s �z RenameModel.references_modelc C � d| j | jf S )NzRename model %s to %sr~ r" r r r rj � r1 zRenameModel.describec C r� )N� rename_%s_%s)r� r� r" r r r rl � � z#RenameModel.migration_name_fragmentc sH t |t�r| j|jkrt| j|j�gS tt| ��||�p#|� | j|� S r ) rD r� r� r� r r� r* r r+ r( r- r/ r r r+ � s � �� ��zRenameModel.reduce)r2 r3 r4 r� r r r� r� rL rS ra rf r( rj r� rl r+ r5 r r r/ r r� � s 0 r� c s e Zd Z� fdd�Z� ZS )�ModelOptionOperationc s0 t || jtf�r| j|jkr|gS t� �||�S r )rD r0 r� r# r* r+ r- r/ r r r+ s � zModelOptionOperation.reduce)r2 r3 r4 r+ r5 r r r/ r r� s r� c sT e Zd ZdZ� fdd�Zdd� Zdd� Zdd � Zd d � Zd d � Z e dd� �Z � Z S )�AlterModelTablezRename a model's table.c � || _ t� �|� d S r )�tabler* r )r r r� r/ r r r � zAlterModelTable.__init__c C r� )N�r r� )r r� r0 r4 rJ r r r rL ! r� zAlterModelTable.deconstructc C � |� || jd| ji� d S )Nr� )�alter_model_optionsr# r� rQ r r r rS ( s z AlterModelTable.state_forwardsc C s� |j �|| j�}| �|jj|�rH|j �|| j�}|�||jj|jj� t |jj |jj �D ] \}}|j j jj rG|�|j j |j j jj|j j jj� q,d S d S r )rV rW r rX rY rZ r� rA r� r� r� r� r� r� ) r r' r] r^ r_ r� r� r� r� r r r ra + s( � � ���z!AlterModelTable.database_forwardsc C � | � ||||�S r �ra r� r r r rf ? r1 z"AlterModelTable.database_backwardsc C s" d| j | jd ur | jf S df S )NzRename table for %s to %sz (default)r� r" r r r rj B s ��zAlterModelTable.describec C r� )Nzalter_%s_tablerk r" r r r rl H r$ z'AlterModelTable.migration_name_fragment) r2 r3 r4 r� r rL rS ra rf rj r� rl r5 r r r/ r r� s r� c sP e Zd Z� fdd�Zdd� Zdd� Zdd� Zd d � Zd d � Ze d d� �Z � Z S )�AlterModelTableCommentc r� r )� table_commentr* r )r r r� r/ r r r N r� z AlterModelTableComment.__init__c C r� )N)r r� )r r� r0 r4 rJ r r r rL R r� z"AlterModelTableComment.deconstructc C r� )N�db_table_comment)r� r# r� rQ r r r rS Y s �z%AlterModelTableComment.state_forwardsc C sN |j �|| j�}| �|jj|�r%|j �|| j�}|�||jj|jj� d S d S r ) rV rW r rX rY rZ �alter_db_table_commentrA r� )r r' r] r^ r_ r� r� r r r ra ^ s ��z(AlterModelTableComment.database_forwardsc C r� r r� r� r r r rf h r1 z)AlterModelTableComment.database_backwardsc C � d| j � d�S )NzAlter z table commentr r" r r r rj k r) z AlterModelTableComment.describec C r� )N�alter_�_table_commentrk r" r r r rl n s z.AlterModelTableComment.migration_name_fragment) r2 r3 r4 r rL rS ra rf rj r� rl r5 r r r/ r r� M s r� c st e Zd ZdZ� fdd�Zedd� �Zdd� Zdd � Zd d � Z d d � Z dd� Z dd� Z e dd� �Z� fdd�Z� ZS )r� Nc s. |rt t|��}t| | j|� t� �|� d S r )r r �setattrr� r* r )r r r� r/ r r r v 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| ji}| jjg |fS r� )r r� r� r0 r4 rJ r r r rL � s �z(AlterTogetherOptionOperation.deconstructc C � |� || j| j| ji� d S r )r� r# r� r� rQ r r r rS � � �z+AlterTogetherOptionOperation.state_forwardsc C sp |j �|| j�}| �|jj|�r6|j �|| j�}t|d| j �}||t|j| jt � �t|j| jt � �� d S d S )Nzalter_%s) rV rW r rX rY rZ r� r� rA r )r r' r] r^ r_ r� r� �alter_togetherr r r ra � s ��z.AlterTogetherOptionOperation.database_forwardsc C r� r r� r� r r r rf � r1 z/AlterTogetherOptionOperation.database_backwardsc s, | � ||�o| j pt� fdd�| jD ��S )Nc 3 s � | ]}� |v V qd 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 | jt| jp d�f S )Nz"Alter %s for %s (%s constraint(s))rh )r� r �lenr� r" r r r rj � s �z%AlterTogetherOptionOperation.describec C r� )Nz alter_%s_%s)r# r� r" r r r rl � r� z4AlterTogetherOptionOperation.migration_name_fragmentc s( t � �||�pt|t�ot|�t| �uS r )r* r, rD r� �typer- r/ r r r, � s �z/AlterTogetherOptionOperation.can_reduce_through)r2 r3 r4 r� r r r� rL rS ra rf r� rj r� rl r, r5 r r r/ r r� s s r� c �$ e Zd ZdZdZ� fdd�Z� ZS )�AlterUniqueTogetherz| Change the value of unique_together to the target one. Input value of unique_together must be a set of tuples. rx c � t � �||� d S r �r* r )r r rx r/ r r r � r� z AlterUniqueTogether.__init__�r2 r3 r4 r� r� r r5 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. ry c r� r r� )r r ry r/ r r r � r� zAlterIndexTogether.__init__r� r r r/ r r� � r� r� c s` e Zd ZdZdZ� fdd�Zdd� Zdd� Zd d � Zd d � Z d d� Z dd� Z e dd� �Z � ZS )r� z9Represent a change with the order_with_respect_to option.rq c r� r )rq r* r )r r rq r/ r r r � r� z AlterOrderWithRespectTo.__init__c C r� )N�r rq )r rq r0 r4 rJ r r r rL � r� z#AlterOrderWithRespectTo.deconstructc C r� r )r� r# r� rq rQ r r r rS � r� z&AlterOrderWithRespectTo.state_forwardsc C s� |j �|| j�}| �|jj|�rI|j �|| j�}|jjr,|jjs,|�||j� d�� d S |jjrK|jjsM|j� d�}|� � sAd|_ |� ||� d S d S d S d S )N�_orderr ) rV rW r rX rY rZ rA rq � remove_fieldr� � has_default�default� add_field)r r' r] r^ r_ �to_model� from_modelrp r r r ra � s. �� ��� �� z)AlterOrderWithRespectTo.database_forwardsc C s | � ||||� d S r r� r� r r r rf � s z*AlterOrderWithRespectTo.database_backwardsc C s | � ||�o| jd u p|| jkS r )r( rq 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 rj s �z AlterOrderWithRespectTo.describec C r� )Nz alter_%s_order_with_respect_tork r" r r r rl r$ z/AlterOrderWithRespectTo.migration_name_fragment)r2 r3 r4 r� r� r rL rS ra rf r� rj r� rl r5 r r r/ r r� � s r� c s\ e Zd ZdZg d�Z� fdd�Zdd� Zdd� Zd d � Zd d � Z d d� Z e dd� �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 )r8 r* r )r r r8 r/ r r r & r� zAlterModelOptions.__init__c C r� )N)r r8 )r r8 r0 r4 rJ r r r rL * r� z AlterModelOptions.deconstructc C s |� || j| j| j� d S r )r� r# r8 r� rQ r r r rS 1 s �z AlterModelOptions.state_forwardsc C � d S r r r� r r r ra 9 � z#AlterModelOptions.database_forwardsc C r� r r r� r r r rf < r� z$AlterModelOptions.database_backwardsc C r� )NzChange Meta options on %sr r" r r r rj ? r zAlterModelOptions.describec C r� )Nzalter_%s_optionsrk r" r r r rl B r$ z)AlterModelOptions.migration_name_fragment)r2 r3 r4 r� r� r rL rS ra rf rj r� rl r5 r r r/ r r� s r� c sZ e Zd ZdZdgZ� fdd�Zdd� Zdd� Zd d � Zd d � Z d d� Z e dd� �Z � Z S )r� zAlter the model's managers.r9 c r� r )r9 r* r )r r r9 r/ r r r L r� zAlterModelManagers.__init__c C s | j j| j| jgi fS r )r0 r4 r r9 r" r r r rL P r� z AlterModelManagers.deconstructc C r� r )�alter_model_managersr# r9 rQ r r r rS S r� z!AlterModelManagers.state_forwardsc C r� r r r� r r r ra V r� z$AlterModelManagers.database_forwardsc C r� r r r� r r r rf Y r� z%AlterModelManagers.database_backwardsc C r� )NzChange managers on %sr r" r r r rj \ r zAlterModelManagers.describec C r� )Nzalter_%s_managersrk r" r r r rl _ r$ z*AlterModelManagers.migration_name_fragment)r2 r3 r4 r� r� r rL rS ra rf rj r� rl r5 r r r/ r r� G s r� c @ s e Zd ZdZedd� �ZdS )r� r� c C r r )r� r! r" r r r r� g r$ z IndexOperation.model_name_lowerN)r2 r3 r4 r� r r� r r r r r� d s r� c @ r� )r� zAdd an index on a model.c C s" || _ |js td| ��|| _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 o s �� zAddIndex.__init__c C r� r )� add_indexr� r� rQ r r r rS x r� zAddIndex.state_forwardsc C �6 |j �|| j�}| �|jj|�r|�|| j� d S d S r )rV rW r� rX rY rZ r� r� r\ r r r ra { � �zAddIndex.database_forwardsc C s6 |j �|| j�}| �|jj|�r|�|| j� d S d S r )rV rW r� rX rY rZ � remove_indexr� r\ r r r rf � r zAddIndex.database_backwardsc C r� )N)r� r� )r� r� r0 r4 rJ r r r rL � � ��zAddIndex.deconstructc C sN | j jrd| j jd�dd� | j jD ��| jf S d| j jd�| j j�| jf S )Nz!Create index %s on %s on model %s�, c S s g | ]}t |��qS r )rE )r< � expressionr r r rv � s z%AddIndex.describe.<locals>.<listcomp>z*Create index %s on field(s) %s of model %s)r� � expressionsr �joinr� r7 r" r r r rj � s � �zAddIndex.describec C � d| j | jj�� f S �Nz%s_%s)r� r� r r! r" r r r rl � � z AddIndex.migration_name_fragmentN� r2 r3 r4 r� r rS ra rf rL rj r� rl r r r r r� l 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 � � zRemoveIndex.__init__c C r� r )r r� r rQ r r r rS � r� zRemoveIndex.state_forwardsc C sP |j �|| j�}| �|jj|�r&|j|| jf }|�| j �}|� ||� d S d S r ) rV rW r� rX rY rZ r r� �get_index_by_namer r )r r' r] r^ r_ r` �from_model_stater� r r r ra � � �z RemoveIndex.database_forwardsc C �P |j �|| j�}| �|jj|�r&|j|| jf }|�| j �}|� ||� d S d S r ) rV rW r� rX rY rZ r r� r r r� )r r' r] r^ r_ r` �to_model_stater� r r r rf � r z RemoveIndex.database_backwardsc C r� �Nr )r� r r0 r4 rJ r r r rL � r zRemoveIndex.deconstructc C r� )NzRemove index %s from %s�r r� r" r r r rj � r1 zRemoveIndex.describec C � d| j | j�� f S �Nz remove_%s_%s�r� r r! r" r r r rl � � z#RemoveIndex.migration_name_fragmentNr r r r r r� � s r� c sv e Zd ZdZddd�Zedd� �Zedd� �Zd d � Zd d � Z d d� Z dd� Z dd� Z e dd� �Z� fdd�Z� ZS )r� zRename an index.Nc C s< |s|st d��|r|rt 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� r� r r� )r r� r� r r� r r r r � s �� zRenameIndex.__init__c C r r r� r" r r r r� � r$ zRenameIndex.old_name_lowerc C r r r� r" r r r r� � r$ zRenameIndex.new_name_lowerc C s< | j | jd�}| jr| j|d< | jr| j|d< | jjg |fS )N)r� r� r r� )r� r� r r� r0 r4 rJ r r r rL � s � zRenameIndex.deconstructc C sX | j r |�|| jtj| j | jd�� |�|| jtj| j � d S |� || j| j | j� d S )Nr� ) r� r� r� r r� r� �remove_model_optionsr� r� � rename_indexr rQ r r r rS � s ���zRenameIndex.state_forwardsc s� |j �|| j�}| �|jj|�sd S | jrP|j �|| j�� � fdd�| jD �}|j� |dd�}t|�dkrEt dt|�� j j d� |�f ��t j| j|d d �}n|j || jf } | �| j�}|j| jkrfd S |j || jf } | �| j�} |�||| � d S ) Nc s g | ] }� j �|�j�qS r )rA r� �column)r< rp �r� r r rv s �z1RenameIndex.database_forwards.<locals>.<listcomp>T)� column_namesr� r z.Found wrong number (%s) of indexes for %s(%s).r r r� )rV rW r� rX rY rZ r� �_constraint_namesr� r rA r� r r r� r� r r r r� r ) r r' r] r^ r_ r` �columns�matching_index_name� old_indexr r � new_indexr r r ra s> �� ���� z RenameIndex.database_forwardsc C sf | j rd S | j| j| _| _| j| j| _| _| �||||� | j| j| _| _| j| j| _| _d S r )r� r� r� r r� ra r� r r r rf ) s � �z RenameIndex.database_backwardsc C s> | j rd| j � d| j� d| j� �S d| j� d| j� d| j� �S )Nz Rename index z on z to zRename unnamed index for )r r� r� r� r" r r r rj < s ���zRenameIndex.describec C s0 | j r d| j| jf S d| jd�| j�| jf S )Nr� zrename_%s_%s_%sr= )r r� r� r� r r� r" r r r rl F s �z#RenameIndex.migration_name_fragmentc sP t |t�r!| j|jkr!|jr!| j|jkr!t| j|j| j| jd�gS t � � ||�S )N)r� r r� ) rD r� r� r r� r� r� r� r� r* r+ r- r/ r r r+ P s � � ��zRenameIndex.reduce)NN)r2 r3 r4 r� r r r� r� rL rS ra rf rj r� rl r+ r5 r r r/ r r� � s % r� c @ r� )� AddConstraint� constraintsc C r r �r� � constraint)r r� r( r r r r e r zAddConstraint.__init__c C r� r )�add_constraintr� r( rQ r r r rS i r� z AddConstraint.state_forwardsc C r r )rV rW r� rX rY rZ r) r( r\ r r r ra l r z AddConstraint.database_forwardsc C r r )rV rW r� rX rY rZ �remove_constraintr( r\ r r r rf q r z AddConstraint.database_backwardsc C � | j jg | j| jd�fS )Nr' )r0 r2 r� r( r" r r r rL v � ��zAddConstraint.deconstructc C s d| j j| jf S )Nz Create constraint %s on model %s)r( r r� r" r r r rj � s �zAddConstraint.describec C r r )r� r( r r! r" r r r rl � r z%AddConstraint.migration_name_fragmentN� r2 r3 r4 r� r rS ra rf rL rj r� rl r r r r r% b s r% c @ r� )�RemoveConstraintr& c C r r r r r r r r � r zRemoveConstraint.__init__c C r� r )r* r� r rQ r r r rS � r� z RemoveConstraint.state_forwardsc C sP |j �|| j�}| �|jj|�r&|j|| jf }|�| j �}|� ||� d S d S r ) rV rW r� rX rY rZ r r� �get_constraint_by_namer r* )r r' r] r^ r_ r` r r( r r r ra � r z"RemoveConstraint.database_forwardsc C r r ) rV rW r� rX rY rZ r r� r/ r r) )r r' r] r^ r_ r` r r( r r r rf � r z#RemoveConstraint.database_backwardsc C r+ r )r0 r2 r� r r" r r r rL � r, z RemoveConstraint.deconstructc C r� )Nz"Remove constraint %s from model %sr r" r r r rj � r1 zRemoveConstraint.describec C r r r r" r r r rl � r z(RemoveConstraint.migration_name_fragmentNr- r r r r r. � s r. N)'� django.dbr �$django.db.migrations.operations.baser �django.db.migrations.stater �django.db.migrations.utilsr r �django.db.models.optionsr �django.utils.functionalr r7 r r r r r r r r6 r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r% r. r r r r �<module> s< O#w 3&A D7 6+ )
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