U
    R+|jì§  ã                   @   s¤  d dl mZ d dl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ƒZG dd„ deƒZG dd„ deƒZG dd„ deƒZG dd„ deƒZG dd„ deƒZG dd„ deƒZG dd„ deƒZG dd„ deƒZG dd„ deƒZG dd „ d eƒZG d!d"„ d"eƒZG d#d$„ d$eƒZ G d%d&„ d&eƒZ!G d'd(„ d(e!ƒZ"G d)d*„ d*e!ƒZ#G d+d,„ d,e!ƒZ$G d-d.„ d.e!ƒZ%G d/d0„ d0e!ƒZ&d1S )2é    )Úmodels)Ú	Operation)Ú
ModelState)Úfield_referencesÚresolve_relation)Únormalize_together)Úcached_propertyé   )ÚAddFieldÚ
AlterFieldÚFieldOperationÚRemoveFieldÚRenameFieldc                 C   s6   t ƒ }|D ]&}||kr&td|| f ƒ‚| |¡ q
d S )Nz4Found duplicate value %s in CreateModel %s argument.)ÚsetÚ
ValueErrorÚadd)Zarg_nameÚobjsZ	used_valsÚval© r   únc:\users\snmko\desktop\web_content\django_cbt\venv\Lib\site-packages\django/db/migrations/operations/models.pyÚ_check_for_duplicates   s    
ÿr   c                       s@   e Zd Zdd„ Zedd„ ƒZdd„ Z‡ fdd„Zd	d
„ Z‡  Z	S )ÚModelOperationc                 C   s
   || _ d S ©N©Úname)Úselfr   r   r   r   Ú__init__   s    zModelOperation.__init__c                 C   s
   | j  ¡ S r   )r   Úlower©r   r   r   r   Ú
name_lower   s    zModelOperation.name_lowerc                 C   s   |  ¡ | jkS r   ©r   r   ©r   r   Ú	app_labelr   r   r   Úreferences_model   s    zModelOperation.references_modelc                    s   t ƒ  ||¡p|  ||¡S r   )ÚsuperÚreduceÚcan_reduce_through©r   Ú	operationr"   ©Ú	__class__r   r   r%       s     ÿzModelOperation.reducec                 C   s   |  | j|¡ S r   )r#   r   r'   r   r   r   r&   %   s    z!ModelOperation.can_reduce_through)
Ú__name__Ú
__module__Ú__qualname__r   r   r   r#   r%   r&   Ú__classcell__r   r   r)   r   r      s   
r   c                       st   e Zd ZdZdddgZd‡ fdd„	Zdd	„ Zd
d„ Zdd„ Zdd„ Z	dd„ Z
edd„ ƒZdd„ Z‡ fdd„Z‡  ZS )ÚCreateModelzCreate a model's table.ÚfieldsÚoptionsÚmanagersNc                    sz   || _ |pi | _|ptjf| _|p$g | _tƒ  |¡ tddd„ | j D ƒƒ tddd„ | jD ƒƒ tddd„ | jD ƒƒ d S )Nr0   c                 s   s   | ]\}}|V  qd S r   r   ©Ú.0r   Ú_r   r   r   Ú	<genexpr>6   s     z'CreateModel.__init__.<locals>.<genexpr>Úbasesc                 s   s6   | ].}t |d ƒr|jjnt|tƒr*| ¡ n|V  qdS )Ú_metaN)Úhasattrr8   Zlabel_lowerÚ
isinstanceÚstrr   )r4   Úbaser   r   r   r6   9   s   üÿ
ÿ
r2   c                 s   s   | ]\}}|V  qd S r   r   r3   r   r   r   r6   B   s     )	r0   r1   r   ÚModelr7   r2   r$   r   r   )r   r   r0   r1   r7   r2   r)   r   r   r   .   s    

úþzCreateModel.__init__c                 C   sn   | j | jdœ}| jr| j|d< | jr<| jtjfkr<| j|d< | jr`| jdt ¡ fgkr`| j|d< | jj	g |fS )N)r   r0   r1   r7   Zobjectsr2   )
r   r0   r1   r7   r   r=   r2   ÚManagerr*   r-   ©r   Úkwargsr   r   r   ÚdeconstructD   s    þ


zCreateModel.deconstructc              
   C   s6   |  t|| jt| jƒt| jƒt| jƒt| j	ƒƒ¡ d S r   )
Z	add_modelr   r   Úlistr0   Údictr1   Útupler7   r2   ©r   r"   Ústater   r   r   Ústate_forwardsQ   s    úÿzCreateModel.state_forwardsc                 C   s.   |j  || j¡}|  |jj|¡r*| |¡ d S r   ©ÚappsÚ	get_modelr   Úallow_migrate_modelÚ
connectionÚaliasZcreate_model©r   r"   Úschema_editorÚ
from_stateÚto_stateÚmodelr   r   r   Údatabase_forwards]   s    zCreateModel.database_forwardsc                 C   s.   |j  || j¡}|  |jj|¡r*| |¡ d S r   ©rI   rJ   r   rK   rL   rM   Zdelete_modelrN   r   r   r   Údatabase_backwardsb   s    zCreateModel.database_backwardsc                 C   s    d| j  dd¡rdnd| jf S )NzCreate %smodel %sÚproxyFzproxy Ú )r1   Úgetr   r   r   r   r   Údescribeg   s    þzCreateModel.describec                 C   s   | j S r   ©r   r   r   r   r   Úmigration_name_fragmentm   s    z#CreateModel.migration_name_fragmentc                 C   s†   |  ¡ }|| jkrdS ||f}| jD ]4}|tjk	r$t|tjjtfƒr$t	||ƒ|kr$ dS q$| j
D ] \}}t|| jf||ƒr` dS q`dS )NTF)r   r   r7   r   r=   r:   r<   Z	ModelBaser;   r   r0   r   )r   r   r"   r   Zreference_model_tupler<   Ú_nameÚfieldr   r   r   r#   q   s(    

ÿþý  ÿzCreateModel.references_modelc           
   
      sŒ  t ˆ tƒr(| jˆ jkr(| j dd¡s(g S t ˆ tƒr\| jˆ jkr\tˆ j| j	| j| j
| jd�gS t ˆ tƒr¼| jˆ jkr¼| jˆ j–}ˆ jD ]}|ˆ jkr„| |d ¡ q„t| j| j	|| j
| jd�gS t ˆ tƒ� rô| jˆ jk� rôt| j| j	| j| j
ˆ jd�gS t ˆ tƒ�r8| jˆ jk�r8t| j| j	| jˆ jˆ ji–| j
| jd�gS t ˆ tƒ�rz| jˆ jk�rzt| j| j	| jdˆ ji–| j
| jd�gS t ˆ tƒ�r>| jˆ jk�r>t ˆ tƒ�rÌt| j| j	ˆ jˆ jfg | j| j
| jd�gS t ˆ tƒ�rt| j‡ fdd„| j	D ƒ| j| j
| jd�gS t ˆ tƒ�r¨| j ¡ }dD ]B}| |d ¡}|�rttt‡ fdd	„|D ƒƒƒ}|�r|||< �q| d¡}|ˆ jk�r~|d= t| j‡ fd
d„| j	D ƒ|| j
| jd�gS t ˆ t ƒ�r~| j ¡ }dD ],}| |¡}|�rÂ‡ fdd„|D ƒ||< �qÂ| d¡}|ˆ j!k�rˆ j|d< t| j‡ fdd„| j	D ƒ|| j
| jd�gS �n@t ˆ t"ƒ�r~| jˆ jk�r~t ˆ t#ƒ�rœt| j| j	| jd| j dg ¡ˆ j$f•i–| j
| jd�gS t ˆ t%ƒ�rê‡ fdd„| j dg ¡D ƒ}t| j| j	| jd|i–| j
| jd�gS t ˆ t&ƒ�r~ˆ j'�r~‡ fdd„| j dg ¡D ƒ}	|	�r,|	| jd< n| j dd ¡ t| j| j	| jd| j dg ¡t(j)ˆ j'ˆ jd�f•i–| j
| jd�gS t*ƒ  +ˆ |¡S )NrV   F)r0   r1   r7   r2   Úorder_with_respect_toc                    s(   g | ] \}}||ˆ j krˆ jn|f‘qS r   )r   r]   ©r4   ÚnÚv©r(   r   r   Ú
<listcomp>ì   s   ÿz&CreateModel.reduce.<locals>.<listcomp>)Úunique_togetherÚindex_togetherc                 3   s$   | ]}t ‡ fd d„|D ƒƒV  qdS )c                 3   s   | ]}|ˆ j kr|V  qd S r   rZ   ©r4   Úfrb   r   r   r6   þ   s    
 z/CreateModel.reduce.<locals>.<genexpr>.<genexpr>N©rD   ©r4   r0   rb   r   r   r6   ý   s   ýÿz%CreateModel.reduce.<locals>.<genexpr>c                    s&   g | ]\}}|  ¡ ˆ jkr||f‘qS r   r    r_   rb   r   r   rc     s   þc                    s"   h | ]}t ‡ fd d„|D ƒƒ’qS )c                 3   s"   | ]}|ˆ j krˆ jn|V  qd S r   ©Úold_nameÚnew_namerf   rb   r   r   r6     s   ÿz/CreateModel.reduce.<locals>.<setcomp>.<genexpr>rh   ri   rb   r   r   Ú	<setcomp>  s   üþz%CreateModel.reduce.<locals>.<setcomp>c                    s(   g | ] \}}|ˆ j krˆ jn||f‘qS r   rj   r_   rb   r   r   rc   )  s   ÿÚindexesc                    s   g | ]}|j ˆ j kr|‘qS r   r   )r4   Úindexrb   r   r   rc   G  s   þc                    s   h | ]}|ˆ j kr|’qS r   )Ú
old_fieldsri   rb   r   r   rm   Y  s   
þre   ©r0   r   ),r:   ÚDeleteModelr   r1   rX   ÚRenameModelÚold_name_lowerr/   rl   r0   r7   r2   ÚAlterModelOptionsÚALTER_OPTION_KEYSÚpopr   ÚAlterModelManagersÚAlterTogetherOptionOperationÚoption_nameÚoption_valueÚAlterOrderWithRespectTor^   r   Úmodel_name_lowerr
   r]   r   r   Úcopyr   ÚfilterÚboolr   rk   ÚIndexOperationÚAddIndexro   ÚRemoveIndexÚRenameIndexrp   r   ÚIndexr$   r%   )
r   r(   r"   r1   Úkeyrz   Úoptionr^   Zoptions_indexesZoptions_index_togetherr)   rb   r   r%   ˆ   sœ   ÿ
þýÿ
þûÿ
ÿ
þ

ûÿ
ÿ
þûÿ
ÿ
þ
þøÿÿ
þ þøÿÿ
þûÿ	
þøÿ

üþÿ

þ÷ÿ


û


þøÿÿ
þþþõÿ
þ þøÿ
þ ÿþþ	óÿzCreateModel.reduce)NNN)r+   r,   r-   Ú__doc__Úserialization_expand_argsr   rA   rG   rS   rU   rY   Úpropertyr[   r#   r%   r.   r   r   r)   r   r/   )   s   

r/   c                   @   sL   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„ ƒZdS )rr   zDrop a model's table.c                 C   s   d| j i}| jjg |fS ©Nr   )r   r*   r-   r?   r   r   r   rA   y  s     ÿzDeleteModel.deconstructc                 C   s   |  || j¡ d S r   )Zremove_modelr   rE   r   r   r   rG     s    zDeleteModel.state_forwardsc                 C   s.   |j  || j¡}|  |jj|¡r*| |¡ d S r   rT   rN   r   r   r   rS   ‚  s    zDeleteModel.database_forwardsc                 C   s.   |j  || j¡}|  |jj|¡r*| |¡ d S r   rH   rN   r   r   r   rU   ‡  s    zDeleteModel.database_backwardsc                 C   s   dS )NTr   r!   r   r   r   r#   Œ  s    zDeleteModel.references_modelc                 C   s
   d| j  S )NzDelete model %sr   r   r   r   r   rY   ‘  s    zDeleteModel.describec                 C   s
   d| j  S )Nz	delete_%srZ   r   r   r   r   r[   ”  s    z#DeleteModel.migration_name_fragmentN)r+   r,   r-   rˆ   rA   rG   rS   rU   r#   rY   rŠ   r[   r   r   r   r   rr   v  s   rr   c                       s€   e Zd ZdZ‡ fdd„Zedd„ ƒZedd„ ƒZdd	„ Zd
d„ Z	dd„ Z
dd„ Zdd„ Zdd„ Zedd„ ƒZ‡ fdd„Z‡  ZS )rs   zRename a model.c                    s   || _ || _tƒ  |¡ d S r   )rk   rl   r$   r   )r   rk   rl   r)   r   r   r   œ  s    zRenameModel.__init__c                 C   s
   | j  ¡ S r   ©rk   r   r   r   r   r   rt   ¡  s    zRenameModel.old_name_lowerc                 C   s
   | j  ¡ S r   ©rl   r   r   r   r   r   Únew_name_lower¥  s    zRenameModel.new_name_lowerc                 C   s   | j | jdœ}| jjg |fS )Nrj   )rk   rl   r*   r-   r?   r   r   r   rA   ©  s    þzRenameModel.deconstructc                 C   s   |  || j| j¡ d S r   )Zrename_modelrk   rl   rE   r   r   r   rG   °  s    zRenameModel.state_forwardsc                 C   s   |j  || j¡}|  |jj|¡rü|j  || j¡}| ||jj	|jj	¡ |jj
D ]`}|j|krl|}|| jf}	n|j}|jjj|jjjf}	|j j|	Ž j |jj¡}
| ||j|
¡ qNt|jj|jjƒ}|D ]4\}}|j|jksÆ|jjjjsèqÆ|j|||dd� qÆd S )NF)Ústrict)rI   rJ   rl   rK   rL   rM   rk   Úalter_db_tabler8   Údb_tableZrelated_objectsZrelated_modelrŽ   r"   Ú
model_nameÚ	get_fieldr]   r   Zalter_fieldÚzipÚlocal_many_to_manyrR   Úremote_fieldÚthroughÚauto_createdZ_alter_many_to_many)r   r"   rO   rP   rQ   Ú	new_modelÚ	old_modelZrelated_objectrR   Zrelated_keyZto_fieldr0   Ú	old_fieldÚ	new_fieldr   r   r   rS   ³  sP    ý
þÿý ÿ
ÿ
þüzRenameModel.database_forwardsc                 C   s\   | j | j | _| _ | j| j | _| _|  ||||¡ | j | j | _| _ | j| j | _| _d S r   )rt   rŽ   rk   rl   rS   ©r   r"   rO   rP   rQ   r   r   r   rU   ã  s    þ
þ
zRenameModel.database_backwardsc                 C   s   |  ¡ | jkp|  ¡ | jkS r   )r   rt   rŽ   r!   r   r   r   r#   ò  s    ÿzRenameModel.references_modelc                 C   s   d| j | jf S )NzRename model %s to %srj   r   r   r   r   rY   ÷  s    zRenameModel.describec                 C   s   d| j | jf S )Núrename_%s_%s)rt   rŽ   r   r   r   r   r[   ú  s    z#RenameModel.migration_name_fragmentc                    sH   t |tƒr&| j|jkr&t| j|jƒgS tt| ƒ ||¡pF| 	| j|¡ S r   )
r:   rs   rŽ   rt   rk   rl   r$   r   r%   r#   r'   r)   r   r   r%   þ  s    ÿ
þþÿ
 ÿþzRenameModel.reduce)r+   r,   r-   rˆ   r   r   rt   rŽ   rA   rG   rS   rU   r#   rY   rŠ   r[   r%   r.   r   r   r)   r   rs   ™  s   

0
rs   c                       s   e Zd Z‡ fdd„Z‡  ZS )ÚModelOptionOperationc                    s0   t || jtfƒr"| j|jkr"|gS tƒ  ||¡S r   )r:   r*   rr   r   r$   r%   r'   r)   r   r   r%     s    ÿ
þzModelOptionOperation.reduce)r+   r,   r-   r%   r.   r   r   r)   r   rŸ     s   rŸ   c                       sT   e Zd ZdZ‡ fdd„Zdd„ Zdd„ Zdd	„ Zd
d„ Zdd„ Z	e
dd„ ƒZ‡  ZS )ÚAlterModelTablezRename a model's table.c                    s   || _ tƒ  |¡ d S r   )Útabler$   r   )r   r   r¡   r)   r   r   r     s    zAlterModelTable.__init__c                 C   s   | j | jdœ}| jjg |fS )N©r   r¡   )r   r¡   r*   r-   r?   r   r   r   rA   !  s    þzAlterModelTable.deconstructc                 C   s   |  || jd| ji¡ d S )Nr‘   )Úalter_model_optionsr   r¡   rE   r   r   r   rG   (  s    zAlterModelTable.state_forwardsc           	      C   s”   |j  || j¡}|  |jj|¡r�|j  || j¡}| ||jj|jj¡ t	|jj
|jj
ƒD ]6\}}|jjjjrX| |jj|jjjj|jjjj¡ qXd S r   )rI   rJ   r   rK   rL   rM   r�   r8   r‘   r”   r•   r–   r—   r˜   )	r   r"   rO   rP   rQ   r™   rš   r›   rœ   r   r   r   rS   +  s$    ý ÿ

ýz!AlterModelTable.database_forwardsc                 C   s   |   ||||¡S r   ©rS   r�   r   r   r   rU   ?  s    z"AlterModelTable.database_backwardsc                 C   s   d| j | jd k	r| jndf S )NzRename table for %s to %sz	(default)r¢   r   r   r   r   rY   B  s    þzAlterModelTable.describec                 C   s
   d| j  S )Nzalter_%s_tablerZ   r   r   r   r   r[   H  s    z'AlterModelTable.migration_name_fragment)r+   r,   r-   rˆ   r   rA   rG   rS   rU   rY   rŠ   r[   r.   r   r   r)   r   r      s   r    c                       sP   e Zd Z‡ fdd„Zdd„ Zdd„ Zdd„ Zd	d
„ Zdd„ Ze	dd„ ƒZ
‡  ZS )ÚAlterModelTableCommentc                    s   || _ tƒ  |¡ d S r   )Útable_commentr$   r   )r   r   r¦   r)   r   r   r   N  s    zAlterModelTableComment.__init__c                 C   s   | j | jdœ}| jjg |fS )N)r   r¦   )r   r¦   r*   r-   r?   r   r   r   rA   R  s    þz"AlterModelTableComment.deconstructc                 C   s   |  || jd| ji¡ d S )NÚdb_table_comment)r£   r   r¦   rE   r   r   r   rG   Y  s
      ÿz%AlterModelTableComment.state_forwardsc                 C   sJ   |j  || j¡}|  |jj|¡rF|j  || j¡}| ||jj|jj¡ d S r   )	rI   rJ   r   rK   rL   rM   Zalter_db_table_commentr8   r§   )r   r"   rO   rP   rQ   r™   rš   r   r   r   rS   ^  s    ýz(AlterModelTableComment.database_forwardsc                 C   s   |   ||||¡S r   r¤   r�   r   r   r   rU   h  s    z)AlterModelTableComment.database_backwardsc                 C   s   d| j › d�S )NzAlter z table commentr   r   r   r   r   rY   k  s    zAlterModelTableComment.describec                 C   s   d| j › d�S )NZalter_Z_table_commentrZ   r   r   r   r   r[   n  s    z.AlterModelTableComment.migration_name_fragment)r+   r,   r-   r   rA   rG   rS   rU   rY   rŠ   r[   r.   r   r   r)   r   r¥   M  s   
r¥   c                       st   e Zd ZdZ‡ fdd„Zedd„ ƒZdd„ Zdd	„ Zd
d„ Z	dd„ Z
dd„ Zdd„ Zedd„ ƒZ‡ fdd„Z‡  ZS )ry   Nc                    s.   |rt t|ƒƒ}t| | j|ƒ tƒ  |¡ d S r   )r   r   Úsetattrrz   r$   r   )r   r   r{   r)   r   r   r   v  s    z%AlterTogetherOptionOperation.__init__c                 C   s   t | | jƒS r   )Úgetattrrz   r   r   r   r   r{   |  s    z)AlterTogetherOptionOperation.option_valuec                 C   s    d| j | j| ji}| jjg |fS r‹   )r   rz   r{   r*   r-   r?   r   r   r   rA   €  s      þz(AlterTogetherOptionOperation.deconstructc                 C   s   |  || j| j| ji¡ d S r   )r£   r   rz   r{   rE   r   r   r   rG   ‡  s
    
ýz+AlterTogetherOptionOperation.state_forwardsc                 C   sl   |j  || j¡}|  |jj|¡rh|j  || j¡}t|d| j ƒ}||t|j| jt	ƒ ƒt|j| jt	ƒ ƒƒ d S )Nzalter_%s)
rI   rJ   r   rK   rL   rM   r©   rz   r8   r   )r   r"   rO   rP   rQ   r™   rš   Zalter_togetherr   r   r   rS   Ž  s    ýz.AlterTogetherOptionOperation.database_forwardsc                 C   s   |   ||||¡S r   r¤   r�   r   r   r   rU   ™  s    z/AlterTogetherOptionOperation.database_backwardsc                    s,   |   ||¡o*| j p*t‡ fdd„| jD ƒƒS )Nc                 3   s   | ]}ˆ |kV  qd S r   r   ri   r   r   r   r6   Ÿ  s     z@AlterTogetherOptionOperation.references_field.<locals>.<genexpr>)r#   r{   Úany©r   r’   r   r"   r   r   r   Úreferences_fieldœ  s    þz-AlterTogetherOptionOperation.references_fieldc                 C   s   d| j | jt| jpdƒf S )Nz"Alter %s for %s (%s constraint(s))rW   )rz   r   Úlenr{   r   r   r   r   rY   ¢  s
    ýz%AlterTogetherOptionOperation.describec                 C   s   d| j | jf S )Nzalter_%s_%s)r   rz   r   r   r   r   r[   ©  s    z4AlterTogetherOptionOperation.migration_name_fragmentc                    s(   t ƒ  ||¡p&t|tƒo&t|ƒt| ƒk	S r   )r$   r&   r:   ry   Útyper'   r)   r   r   r&   ­  s    
þz/AlterTogetherOptionOperation.can_reduce_through)r+   r,   r-   rz   r   r   r{   rA   rG   rS   rU   r¬   rY   rŠ   r[   r&   r.   r   r   r)   r   ry   s  s   

ry   c                       s$   e Zd ZdZdZ‡ fdd„Z‡  ZS )ÚAlterUniqueTogetherz|
    Change the value of unique_together to the target one.
    Input value of unique_together must be a set of tuples.
    rd   c                    s   t ƒ  ||¡ d S r   ©r$   r   )r   r   rd   r)   r   r   r   ¼  s    zAlterUniqueTogether.__init__©r+   r,   r-   rˆ   rz   r   r.   r   r   r)   r   r¯   ´  s   r¯   c                       s$   e Zd ZdZdZ‡ fdd„Z‡  ZS )ÚAlterIndexTogetherzz
    Change the value of index_together to the target one.
    Input value of index_together must be a set of tuples.
    re   c                    s   t ƒ  ||¡ d S r   r°   )r   r   re   r)   r   r   r   È  s    zAlterIndexTogether.__init__r±   r   r   r)   r   r²   À  s   r²   c                       s`   e Zd ZdZdZ‡ fdd„Zdd„ Zdd„ Zd	d
„ Zdd„ Z	dd„ Z
dd„ Zedd„ ƒZ‡  ZS )r|   z9Represent a change with the order_with_respect_to option.r^   c                    s   || _ tƒ  |¡ d S r   )r^   r$   r   )r   r   r^   r)   r   r   r   Ñ  s    z AlterOrderWithRespectTo.__init__c                 C   s   | j | jdœ}| jjg |fS )N©r   r^   )r   r^   r*   r-   r?   r   r   r   rA   Õ  s    þz#AlterOrderWithRespectTo.deconstructc                 C   s   |  || j| j| ji¡ d S r   )r£   r   rz   r^   rE   r   r   r   rG   Ü  s
    
ýz&AlterOrderWithRespectTo.state_forwardsc                 C   s�   |j  || j¡}|  |jj|¡rŒ|j  || j¡}|jjrV|jjsV| ||j 	d¡¡ n6|jjrŒ|jjsŒ|j 	d¡}| 
¡ s€d|_| ||¡ d S )NÚ_orderr   )rI   rJ   r   rK   rL   rM   r8   r^   Zremove_fieldr“   Zhas_defaultÚdefaultZ	add_field)r   r"   rO   rP   rQ   Zto_modelÚ
from_modelr]   r   r   r   rS   ã  s,    ÿþ 
ÿÿþþz)AlterOrderWithRespectTo.database_forwardsc                 C   s   |   ||||¡ d S r   r¤   r�   r   r   r   rU   ý  s    z*AlterOrderWithRespectTo.database_backwardsc                 C   s    |   ||¡o| jd kp|| jkS r   )r#   r^   r«   r   r   r   r¬      s    ÿz(AlterOrderWithRespectTo.references_fieldc                 C   s   d| j | jf S )Nz%Set order_with_respect_to on %s to %sr³   r   r   r   r   rY     s    þz AlterOrderWithRespectTo.describec                 C   s
   d| j  S )Nzalter_%s_order_with_respect_torZ   r   r   r   r   r[     s    z/AlterOrderWithRespectTo.migration_name_fragment)r+   r,   r-   rˆ   rz   r   rA   rG   rS   rU   r¬   rY   rŠ   r[   r.   r   r   r)   r   r|   Ì  s   r|   c                       sn   e Zd ZdZdddddddd	d
d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„ ƒZ‡  ZS )ru   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                    s   || _ tƒ  |¡ d S r   )r1   r$   r   )r   r   r1   r)   r   r   r   &  s    zAlterModelOptions.__init__c                 C   s   | j | jdœ}| jjg |fS )N)r   r1   )r   r1   r*   r-   r?   r   r   r   rA   *  s    þzAlterModelOptions.deconstructc                 C   s   |  || j| j| j¡ d S r   )r£   r   r1   rv   rE   r   r   r   rG   1  s    üz AlterModelOptions.state_forwardsc                 C   s   d S r   r   r�   r   r   r   rS   9  s    z#AlterModelOptions.database_forwardsc                 C   s   d S r   r   r�   r   r   r   rU   <  s    z$AlterModelOptions.database_backwardsc                 C   s
   d| j  S )NzChange Meta options on %sr   r   r   r   r   rY   ?  s    zAlterModelOptions.describec                 C   s
   d| j  S )Nzalter_%s_optionsrZ   r   r   r   r   r[   B  s    z)AlterModelOptions.migration_name_fragment)r+   r,   r-   rˆ   rv   r   rA   rG   rS   rU   rY   rŠ   r[   r.   r   r   r)   r   ru     s*   õru   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„ ƒZ‡  ZS )rx   zAlter the model's managers.r2   c                    s   || _ tƒ  |¡ d S r   )r2   r$   r   )r   r   r2   r)   r   r   r   L  s    zAlterModelManagers.__init__c                 C   s   | j j| j| jgi fS r   )r*   r-   r   r2   r   r   r   r   rA   P  s    zAlterModelManagers.deconstructc                 C   s   |  || j| j¡ d S r   )Zalter_model_managersr   r2   rE   r   r   r   rG   S  s    z!AlterModelManagers.state_forwardsc                 C   s   d S r   r   r�   r   r   r   rS   V  s    z$AlterModelManagers.database_forwardsc                 C   s   d S r   r   r�   r   r   r   rU   Y  s    z%AlterModelManagers.database_backwardsc                 C   s
   d| j  S )NzChange managers on %sr   r   r   r   r   rY   \  s    zAlterModelManagers.describec                 C   s
   d| j  S )Nzalter_%s_managersrZ   r   r   r   r   r[   _  s    z*AlterModelManagers.migration_name_fragment)r+   r,   r-   rˆ   r‰   r   rA   rG   rS   rU   rY   rŠ   r[   r.   r   r   r)   r   rx   G  s   rx   c                   @   s   e Zd ZdZedd„ ƒZdS )r�   rn   c                 C   s
   | j  ¡ S r   )r’   r   r   r   r   r   r}   g  s    zIndexOperation.model_name_lowerN)r+   r,   r-   rz   r   r}   r   r   r   r   r�   d  s   r�   c                   @   sL   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„ ƒZdS )r‚   zAdd an index on a model.c                 C   s"   || _ |jstd| ƒ‚|| _d S )NzSIndexes passed to AddIndex operations require a name argument. %r doesn't have one.)r’   r   r   ro   )r   r’   ro   r   r   r   r   o  s    ÿÿzAddIndex.__init__c                 C   s   |  || j| j¡ d S r   )Ú	add_indexr}   ro   rE   r   r   r   rG   x  s    zAddIndex.state_forwardsc                 C   s2   |j  || j¡}|  |jj|¡r.| || j¡ d S r   )rI   rJ   r’   rK   rL   rM   r·   ro   rN   r   r   r   rS   {  s    zAddIndex.database_forwardsc                 C   s2   |j  || j¡}|  |jj|¡r.| || j¡ d S r   )rI   rJ   r’   rK   rL   rM   Úremove_indexro   rN   r   r   r   rU   €  s    zAddIndex.database_backwardsc                 C   s   | j | jdœ}| jjg |fS )N)r’   ro   )r’   ro   r*   r-   r?   r   r   r   rA   …  s    þýzAddIndex.deconstructc                 C   sN   | j jr0d| j jd dd„ | j jD ƒ¡| jf S d| j jd | j j¡| jf S )Nz!Create index %s on %s on model %sú, c                 S   s   g | ]}t |ƒ‘qS r   )r;   )r4   Z
expressionr   r   r   rc   ”  s     z%AddIndex.describe.<locals>.<listcomp>z*Create index %s on field(s) %s of model %s)ro   Zexpressionsr   Újoinr’   r0   r   r   r   r   rY   �  s    ýýzAddIndex.describec                 C   s   d| j | jj ¡ f S ©Nz%s_%s)r}   ro   r   r   r   r   r   r   r[   �  s    z AddIndex.migration_name_fragmentN©r+   r,   r-   rˆ   r   rG   rS   rU   rA   rY   rŠ   r[   r   r   r   r   r‚   l  s   	r‚   c                   @   sL   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„ ƒZdS )rƒ   zRemove an index from a model.c                 C   s   || _ || _d S r   ©r’   r   ©r   r’   r   r   r   r   r   ¥  s    zRemoveIndex.__init__c                 C   s   |  || j| j¡ d S r   )r¸   r}   r   rE   r   r   r   rG   ©  s    zRemoveIndex.state_forwardsc                 C   sL   |j  || j¡}|  |jj|¡rH|j|| jf }| | j	¡}| 
||¡ d S r   )rI   rJ   r’   rK   rL   rM   r   r}   Úget_index_by_namer   r¸   )r   r"   rO   rP   rQ   rR   Úfrom_model_statero   r   r   r   rS   ¬  s
    zRemoveIndex.database_forwardsc                 C   sL   |j  || j¡}|  |jj|¡rH|j|| jf }| | j	¡}| 
||¡ d S r   )rI   rJ   r’   rK   rL   rM   r   r}   r¿   r   r·   )r   r"   rO   rP   rQ   rR   Úto_model_statero   r   r   r   rU   ³  s
    zRemoveIndex.database_backwardsc                 C   s   | j | jdœ}| jjg |fS ©Nr½   )r’   r   r*   r-   r?   r   r   r   rA   º  s    þýzRemoveIndex.deconstructc                 C   s   d| j | jf S )NzRemove index %s from %s©r   r’   r   r   r   r   rY   Å  s    zRemoveIndex.describec                 C   s   d| j | j ¡ f S ©Nzremove_%s_%s©r}   r   r   r   r   r   r   r[   È  s    z#RemoveIndex.migration_name_fragmentNr¼   r   r   r   r   rƒ   ¢  s   rƒ   c                       sv   e Zd ZdZddd„Zedd„ ƒZedd„ ƒZd	d
„ Zdd„ Z	dd„ Z
dd„ Zdd„ Zedd„ ƒZ‡ fdd„Z‡  ZS )r„   zRename an index.Nc                 C   s<   |s|st dƒ‚|r |r t dƒ‚|| _|| _|| _|| _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’   rl   rk   rp   )r   r’   rl   rk   rp   r   r   r   r   Ð  s    ÿÿzRenameIndex.__init__c                 C   s
   | j  ¡ S r   rŒ   r   r   r   r   rt   ß  s    zRenameIndex.old_name_lowerc                 C   s
   | j  ¡ S r   r�   r   r   r   r   rŽ   ã  s    zRenameIndex.new_name_lowerc                 C   s<   | j | jdœ}| jr| j|d< | jr.| j|d< | jjg |fS )N)r’   rl   rk   rp   )r’   rl   rk   rp   r*   r-   r?   r   r   r   rA   ç  s    þ

zRenameIndex.deconstructc                 C   sV   | j r<| || jtj| j | jd�¡ | || jtj| j ¡ n| 	|| j| j
| j¡ d S )Nrq   )rp   r·   r}   r   r…   rl   Zremove_model_optionsr²   rz   Úrename_indexrk   rE   r   r   r   rG   ò  s$    ýü   ÿzRenameIndex.state_forwardsc                    sú   |j  || j¡}|  |jj|¡s$d S | jr |j  || j¡‰ ‡ fdd„| jD ƒ}|jˆ |dd�}t|ƒdkrŠt	dt|ƒˆ j
jd |¡f ƒ‚tj| j|d d	�}n|j|| jf }	|	 | j¡}|j| jkrÌd S |j|| jf }
|
 | j¡}| |||¡ d S )
Nc                    s   g | ]}ˆ j  |¡j‘qS r   )r8   r“   Úcolumn)r4   r]   ©r¶   r   r   rc     s    z1RenameIndex.database_forwards.<locals>.<listcomp>T)Zcolumn_namesro   r	   z.Found wrong number (%s) of indexes for %s(%s).r¹   r   rq   )rI   rJ   r’   rK   rL   rM   rp   Z_constraint_namesr­   r   r8   r‘   rº   r   r…   r}   r¿   rk   r   rl   rÆ   )r   r"   rO   rP   rQ   rR   ÚcolumnsZmatching_index_nameZ	old_indexrÀ   rÁ   Z	new_indexr   rÈ   r   rS     sB    
ÿ  ÿýÿÿþzRenameIndex.database_forwardsc                 C   sf   | j r
d S | j| j | _| _| j| j | _| _|  ||||¡ | j| j | _| _| j| j | _| _d S r   )rp   rt   rŽ   rk   rl   rS   r�   r   r   r   rU   )  s    þ
þ
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 z on z to zRename unnamed index for )rk   r’   rl   rp   r   r   r   r   rY   <  s
    ÿÿzRenameIndex.describec                 C   s0   | j rd| j| jf S d| jd | j¡| jf S )Nrž   zrename_%s_%s_%sr5   )rk   rt   rŽ   r}   rº   rp   r   r   r   r   r[   F  s    
ýz#RenameIndex.migration_name_fragmentc                    sP   t |tƒrB| j|jkrB|jrB| j|jkrBt| j|j| j| jd�gS t	ƒ  
||¡S )N)rl   rk   rp   )r:   r„   r}   rk   rŽ   rt   r’   rl   rp   r$   r%   r'   r)   r   r   r%   P  s     ÿ
þý
üüÿzRenameIndex.reduce)NN)r+   r,   r-   rˆ   r   r   rt   rŽ   rA   rG   rS   rU   rY   rŠ   r[   r%   r.   r   r   r)   r   r„   Í  s   


%

	r„   c                   @   sL   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„ ƒZdS )ÚAddConstraintÚconstraintsc                 C   s   || _ || _d S r   ©r’   Ú
constraint)r   r’   rÍ   r   r   r   r   e  s    zAddConstraint.__init__c                 C   s   |  || j| j¡ d S r   )Úadd_constraintr}   rÍ   rE   r   r   r   rG   i  s    zAddConstraint.state_forwardsc                 C   s2   |j  || j¡}|  |jj|¡r.| || j¡ d S r   )rI   rJ   r’   rK   rL   rM   rÎ   rÍ   rN   r   r   r   rS   l  s    zAddConstraint.database_forwardsc                 C   s2   |j  || j¡}|  |jj|¡r.| || j¡ d S r   )rI   rJ   r’   rK   rL   rM   Úremove_constraintrÍ   rN   r   r   r   rU   q  s    z AddConstraint.database_backwardsc                 C   s   | j jg | j| jdœfS )NrÌ   )r*   r+   r’   rÍ   r   r   r   r   rA   v  s    þýzAddConstraint.deconstructc                 C   s   d| j j| jf S )Nz Create constraint %s on model %s)rÍ   r   r’   r   r   r   r   rY   €  s    þzAddConstraint.describec                 C   s   d| j | jj ¡ f S r»   )r}   rÍ   r   r   r   r   r   r   r[   †  s    z%AddConstraint.migration_name_fragmentN©r+   r,   r-   rz   r   rG   rS   rU   rA   rY   rŠ   r[   r   r   r   r   rÊ   b  s   
rÊ   c                   @   sL   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„ ƒZdS )ÚRemoveConstraintrË   c                 C   s   || _ || _d S r   r½   r¾   r   r   r   r   Ž  s    zRemoveConstraint.__init__c                 C   s   |  || j| j¡ d S r   )rÏ   r}   r   rE   r   r   r   rG   ’  s    zRemoveConstraint.state_forwardsc                 C   sL   |j  || j¡}|  |jj|¡rH|j|| jf }| | j	¡}| 
||¡ d S r   )rI   rJ   r’   rK   rL   rM   r   r}   Úget_constraint_by_namer   rÏ   )r   r"   rO   rP   rQ   rR   rÀ   rÍ   r   r   r   rS   •  s
    z"RemoveConstraint.database_forwardsc                 C   sL   |j  || j¡}|  |jj|¡rH|j|| jf }| | j	¡}| 
||¡ d S r   )rI   rJ   r’   rK   rL   rM   r   r}   rÒ   r   rÎ   )r   r"   rO   rP   rQ   rR   rÁ   rÍ   r   r   r   rU   œ  s
    z#RemoveConstraint.database_backwardsc                 C   s   | j jg | j| jdœfS rÂ   )r*   r+   r’   r   r   r   r   r   rA   £  s    þýzRemoveConstraint.deconstructc                 C   s   d| j | jf S )Nz"Remove constraint %s from model %srÃ   r   r   r   r   rY   ­  s    zRemoveConstraint.describec                 C   s   d| j | j ¡ f S rÄ   rÅ   r   r   r   r   r[   °  s    z(RemoveConstraint.migration_name_fragmentNrÐ   r   r   r   r   rÑ   ‹  s   
rÑ   N)'Z	django.dbr   Z$django.db.migrations.operations.baser   Zdjango.db.migrations.stater   Zdjango.db.migrations.utilsr   r   Zdjango.db.models.optionsr   Zdjango.utils.functionalr   r0   r
   r   r   r   r   r   r   r/   rr   rs   rŸ   r    r¥   ry   r¯   r²   r|   ru   rx   r�   r‚   rƒ   r„   rÊ   rÑ   r   r   r   r   Ú<module>   s:   
  O#w
3&AD76+ )