o
    ˜¨Êhìš  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%d/S )0é    )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 ]}||v rtd|| f ƒ‚| |¡ qd S )Nz4Found duplicate value %s in CreateModel %s argument.)ÚsetÚ
ValueErrorÚadd)Úarg_nameÚobjsÚ	used_valsÚval© r   úX/var/www/html/env/lib/python3.10/site-packages/django/db/migrations/operations/models.pyÚ_check_for_duplicates   s   
ÿûr   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__   ó   
zModelOperation.__init__c                 C   ó
   | j  ¡ S r   )r   Úlower©r   r   r   r   Ú
name_lower   ó   
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+   %   ó   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                       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„ 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 )Nr6   c                 s   ó   � | ]\}}|V  qd S r   r   ©Ú.0r   Ú_r   r   r   Ú	<genexpr>6   ó   € z'CreateModel.__init__.<locals>.<genexpr>Úbasesc                 s   s8   � | ]}t |d ƒr|jjn
t|tƒr| ¡ n|V  qdS )Ú_metaN)Úhasattrr@   Úlabel_lowerÚ
isinstanceÚstrr!   )r;   Úbaser   r   r   r=   9   s   € ü
ÿ
ÿ
ûr8   c                 s   r9   r   r   r:   r   r   r   r=   B   r>   )	r6   r7   r   ÚModelr?   r8   r)   r   r   )r   r   r6   r7   r?   r8   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r0| jdt ¡ fgkr0| j|d< | jj	g |fS )N)r   r6   r7   r?   Úobjectsr8   )
r   r6   r7   r?   r   rF   r8   ÚManagerr/   r3   ©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   )
Ú	add_modelr   r   Úlistr6   Údictr7   Útupler?   r8   ©r   r'   Ústater   r   r   Ústate_forwardsQ   s   úÿzCreateModel.state_forwardsc                 C   ó2   |j  || j¡}|  |jj|¡r| |¡ d S d S r   ©ÚappsÚ	get_modelr   Úallow_migrate_modelÚ
connectionÚaliasÚcreate_model©r   r'   Úschema_editorÚ
from_stateÚto_stateÚmodelr   r   r   Údatabase_forwards]   ó   ÿzCreateModel.database_forwardsc                 C   ó2   |j  || j¡}|  |jj|¡r| |¡ d S d S r   ©rU   rV   r   rW   rX   rY   Údelete_modelr[   r   r   r   Údatabase_backwardsb   ra   zCreateModel.database_backwardsc                 C   s    d| j  dd¡r
dnd| jf S )NzCreate %smodel %sÚproxyFzproxy Ú )r7   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 ]}|tju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 q0dS )NTF)r!   r#   r?   r   rF   rC   rE   Ú	ModelBaserD   r   r6   r   )r   r   r'   r#   Úreference_model_tuplerE   Ú_nameÚfieldr   r   r   r(   q   s$   


ÿ€ÿýzCreateModel.references_modelc                    sF  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r`| jˆ jkr`i | j¥ˆ j¥}ˆ jD ]}|ˆ jvrQ| |d ¡ qDt| j| j	|| j
| jd�gS t ˆ tƒrz| jˆ jkrzt| j| j	| j| j
ˆ jd�gS t ˆ tƒrœ| jˆ jkrœt| j| j	i | j¥ˆ jˆ ji¥| j
| jd�gS t ˆ tƒr½| jˆ jkr½t| j| j	i | j¥dˆ ji¥| j
| jd�gS t ˆ tƒ�rœ| jˆ jk�rœt ˆ tƒråt| 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�rS| j ¡ }dD ]!}| |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�rœ| j ¡ }dD ]}| |¡}|�ru‡ fdd„|D ƒ||< �q`| d¡}|ˆ j!k�r‡ˆ j|d< t| j‡ fdd„| j	D ƒ|| j
| jd�gS t"ƒ  #ˆ |¡S )Nrf   F)r6   r7   r?   r8   Úorder_with_respect_toc                    s(   g | ]\}}||ˆ j krˆ jn|f‘qS r   )r   ro   ©r;   ÚnÚv©r-   r   r   Ú
<listcomp>ì   ó    ÿ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   rj   ©r;   Úfrt   r   r   r=   þ   s   € ÿz/CreateModel.reduce.<locals>.<genexpr>.<genexpr>N©rO   ©r;   r6   rt   r   r   r=   ý   s   € ýÿ
ÿz%CreateModel.reduce.<locals>.<genexpr>c                    s&   g | ]\}}|  ¡ ˆ jkr||f‘qS r   r%   rq   rt   r   r   ru     s
    þc                    s"   h | ]}t ‡ fd d„|D ƒƒ’qS )c                 3   s$   � | ]}|ˆ j krˆ jn|V  qd S r   ©Úold_nameÚnew_namery   rt   r   r   r=     s
   € ÿ
ÿz/CreateModel.reduce.<locals>.<setcomp>.<genexpr>r{   r|   rt   r   r   Ú	<setcomp>  s    üþÿz%CreateModel.reduce.<locals>.<setcomp>c                    s(   g | ]\}}|ˆ j krˆ jn||f‘qS r   r}   rq   rt   r   r   ru   )  rv   )$rC   ÚDeleteModelr#   r7   rh   ÚRenameModelÚold_name_lowerr5   r   r6   r?   r8   ÚAlterModelOptionsÚALTER_OPTION_KEYSÚpopr   ÚAlterModelManagersÚAlterTogetherOptionOperationÚoption_nameÚoption_valueÚAlterOrderWithRespectTorp   r   Úmodel_name_lowerr
   ro   r   r   Úcopyr   ÚfilterÚboolr   r~   r)   r*   )r   r-   r'   r7   Úkeyr‰   Úoptionrp   r.   rt   r   r*   ˆ   s*  ÿÿÿûÿ
ÿ

€ûÿ
ÿûÿ
ÿÿ
þøÿÿÿþøÿÿ
ûÿ	
þøÿ

üþÿ€

þ÷ÿ



û€


þøÿzCreateModel.reduce)NNN)r1   r2   r3   Ú__doc__Úserialization_expand_argsr   rK   rR   r`   re   ri   Úpropertyrk   r(   r*   r4   r   r   r.   r   r5   )   s    
r5   c                   @   óL   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Drop a model's table.c                 C   s   d| j i}| jjg |fS ©Nr   )r   r/   r3   rI   r   r   r   rK   8  s   ÿzDeleteModel.deconstructc                 C   s   |  || j¡ d S r   )Úremove_modelr#   rP   r   r   r   rR   >  ó   zDeleteModel.state_forwardsc                 C   rb   r   rc   r[   r   r   r   r`   A  ra   zDeleteModel.database_forwardsc                 C   rS   r   rT   r[   r   r   r   re   F  ra   zDeleteModel.database_backwardsc                 C   s   dS )NTr   r&   r   r   r   r(   K  s   zDeleteModel.references_modelc                 C   ó
   d| j  S )NzDelete model %sr   r"   r   r   r   ri   P  r   zDeleteModel.describec                 C   r™   )Nz	delete_%srj   r"   r   r   r   rk   S  r$   z#DeleteModel.migration_name_fragmentN)r1   r2   r3   r’   rK   rR   r`   re   r(   ri   r”   rk   r   r   r   r   r�   5  s    r�   c                       s€   e Zd ZdZ‡ fdd„Zedd„ ƒZedd„ ƒZdd	„ Zd
d„ Z	dd„ Z
dd„ Zdd„ Zdd„ Zedd„ ƒZ‡ fdd„Z‡  ZS )r‚   zRename a model.c                    s   || _ || _tƒ  |¡ d S r   )r~   r   r)   r   )r   r~   r   r.   r   r   r   [  s   zRenameModel.__init__c                 C   r    r   ©r~   r!   r"   r   r   r   rƒ   `  r$   zRenameModel.old_name_lowerc                 C   r    r   ©r   r!   r"   r   r   r   Únew_name_lowerd  r$   zRenameModel.new_name_lowerc                 C   ó   | j | jdœ}| jjg |fS )Nr}   )r~   r   r/   r3   rI   r   r   r   rK   h  ó   þzRenameModel.deconstructc                 C   ó   |  || j| j¡ d S r   )Úrename_modelr~   r   rP   r   r   r   rR   o  ó   zRenameModel.state_forwardsc                 C   sR  |j  || j¡}|  |jj|¡r¥|j  || j¡}|jj}|jj}||kr&d S | 	|||¡ |jj
D ]0}	|	j|kr@|}
|| jf}n|	j}
|	jjj|	jjjf}|j j|Ž j |	jj¡}| |
|	j|¡ q1t|jj|jjƒ}|D ]9\}}|j|jks}|jjjjs~qm|jj}|jj}| 	||jj|jj¡ | ||j |jj¡|j |jj¡¡ qmd S d S r   )rU   rV   r   rW   rX   rY   r~   r@   Údb_tableÚalter_db_tableÚrelated_objectsÚrelated_modelrœ   r'   Ú
model_nameÚ	get_fieldro   r   Úalter_fieldÚzipÚlocal_many_to_manyr_   Úremote_fieldÚthroughÚauto_created)r   r'   r\   r]   r^   Ú	new_modelÚ	old_modelÚold_db_tableÚnew_db_tableÚrelated_objectr_   Úrelated_keyÚto_fieldr6   Ú	old_fieldÚ	new_fieldÚold_m2m_modelÚnew_m2m_modelr   r   r   r`   r  s\   
þÿýÿ
ÿýýÏ zRenameModel.database_forwardsc                 C   s\   | j | j| _| _ | j| j| _| _|  ||||¡ | j | j| _| _ | j| j| _| _d S r   )rƒ   rœ   r~   r   r`   ©r   r'   r\   r]   r^   r   r   r   re   «  s   
þ
þzRenameModel.database_backwardsc                 C   s   |  ¡ | jkp|  ¡ | jkS r   )r!   rƒ   rœ   r&   r   r   r   r(   º  s   ÿzRenameModel.references_modelc                 C   ó   d| j | jf S )NzRename model %s to %sr}   r"   r   r   r   ri   ¿  r0   zRenameModel.describec                 C   rº   )Núrename_%s_%s)rƒ   rœ   r"   r   r   r   rk   Â  ó   z#RenameModel.migration_name_fragmentc                    sH   t |tƒr| j|jkrt| j|jƒgS tt| ƒ ||¡p#| 	| j|¡ S r   )
rC   r‚   rœ   rƒ   r~   r   r)   r   r*   r(   r,   r.   r   r   r*   Æ  s   ÿþÿ
ÿþzRenameModel.reduce)r1   r2   r3   r’   r   r   rƒ   rœ   rK   rR   r`   re   r(   ri   r”   rk   r*   r4   r   r   r.   r   r‚   X  s     

9
r‚   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   )rC   r/   r�   r#   r)   r*   r,   r.   r   r   r*   Ù  s
   ÿzModelOptionOperation.reduce)r1   r2   r3   r*   r4   r   r   r.   r   r½   Ø  s    r½   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                    ó   || _ tƒ  |¡ d S r   )Útabler)   r   )r   r   rÀ   r.   r   r   r   å  ó   zAlterModelTable.__init__c                 C   r�   )N©r   rÀ   )r   rÀ   r/   r3   rI   r   r   r   rK   é  rž   zAlterModelTable.deconstructc                 C   s   |  || jd| ji¡ d S )Nr¢   )Úalter_model_optionsr#   rÀ   rP   r   r   r   rR   ð  s   zAlterModelTable.state_forwardsc           	      C   s˜   |j  || j¡}|  |jj|¡rH|j  || j¡}| ||jj|jj¡ t	|jj
|jj
ƒD ]\}}|jjjjrG| |jj|jjjj|jjjj¡ q,d S d S r   )rU   rV   r   rW   rX   rY   r£   r@   r¢   r©   rª   r«   r¬   r­   )	r   r'   r\   r]   r^   r®   r¯   rµ   r¶   r   r   r   r`   ó  s(   ýÿ

ý€ôz!AlterModelTable.database_forwardsc                 C   ó   |   ||||¡S r   ©r`   r¹   r   r   r   re     r0   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)rÂ   r"   r   r   r   ri   
  s   þþzAlterModelTable.describec                 C   r™   )Nzalter_%s_tablerj   r"   r   r   r   rk     r$   z'AlterModelTable.migration_name_fragment)r1   r2   r3   r’   r   rK   rR   r`   re   ri   r”   rk   r4   r   r   r.   r   r¾   â  s    r¾   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 )rˆ   Nc                    s.   |rt t|ƒƒ}t| | j|ƒ tƒ  |¡ d S r   )r   r   Úsetattrr‰   r)   r   )r   r   rŠ   r.   r   r   r     s   z%AlterTogetherOptionOperation.__init__c                 C   s   t | | jƒS r   )Úgetattrr‰   r"   r   r   r   rŠ     s   z)AlterTogetherOptionOperation.option_valuec                 C   s    d| j | j| ji}| jjg |fS r–   )r   r‰   rŠ   r/   r3   rI   r   r   r   rK   "  s   þz(AlterTogetherOptionOperation.deconstructc                 C   ó   |  || j| j| ji¡ d S r   )rÃ   r#   r‰   rŠ   rP   r   r   r   rR   )  ó
   
ýz+AlterTogetherOptionOperation.state_forwardsc                 C   sp   |j  || j¡}|  |jj|¡r6|j  || j¡}t|d| j ƒ}||t|j| jt	ƒ ƒt|j| jt	ƒ ƒƒ d S d S )Nzalter_%s)
rU   rV   r   rW   rX   rY   rÇ   r‰   r@   r   )r   r'   r\   r]   r^   r®   r¯   Úalter_togetherr   r   r   r`   0  s   ýýz.AlterTogetherOptionOperation.database_forwardsc                 C   rÄ   r   rÅ   r¹   r   r   r   re   ;  r0   z/AlterTogetherOptionOperation.database_backwardsc                    s,   |   ||¡o| j pt‡ fdd„| jD ƒƒS )Nc                 3   s   � | ]}ˆ |v V  qd S r   r   r|   r   r   r   r=   A  r>   z@AlterTogetherOptionOperation.references_field.<locals>.<genexpr>)r(   rŠ   Úany©r   r¦   r   r'   r   r   r   Úreferences_field>  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))rg   )r‰   r   ÚlenrŠ   r"   r   r   r   ri   D  s
   ýz%AlterTogetherOptionOperation.describec                 C   rº   )Nzalter_%s_%s)r#   r‰   r"   r   r   r   rk   K  r¼   z4AlterTogetherOptionOperation.migration_name_fragmentc                    s(   t ƒ  ||¡pt|tƒot|ƒt| ƒuS r   )r)   r+   rC   rˆ   Útyper,   r.   r   r   r+   O  s   
þz/AlterTogetherOptionOperation.can_reduce_through)r1   r2   r3   r‰   r   r   rŠ   rK   rR   r`   re   rÍ   ri   r”   rk   r+   r4   r   r   r.   r   rˆ     s    

rˆ   c                       ó$   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.
    rw   c                    ó   t ƒ  ||¡ d S r   ©r)   r   )r   r   rw   r.   r   r   r   ^  r˜   zAlterUniqueTogether.__init__©r1   r2   r3   r’   r‰   r   r4   r   r   r.   r   rÑ   V  ó    rÑ   c                       rÐ   )ÚAlterIndexTogetherzz
    Change the value of index_together to the target one.
    Input value of index_together must be a set of tuples.
    rx   c                    rÒ   r   rÓ   )r   r   rx   r.   r   r   r   j  r˜   zAlterIndexTogether.__init__rÔ   r   r   r.   r   rÖ   b  rÕ   rÖ   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.rp   c                    r¿   r   )rp   r)   r   )r   r   rp   r.   r   r   r   s  rÁ   z AlterOrderWithRespectTo.__init__c                 C   r�   )N©r   rp   )r   rp   r/   r3   rI   r   r   r   rK   w  rž   z#AlterOrderWithRespectTo.deconstructc                 C   rÈ   r   )rÃ   r#   r‰   rp   rP   r   r   r   rR   ~  rÉ   z&AlterOrderWithRespectTo.state_forwardsc                 C   sž   |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 )NÚ_orderr   )rU   rV   r   rW   rX   rY   r@   rp   Úremove_fieldr§   Úhas_defaultÚdefaultÚ	add_field)r   r'   r\   r]   r^   Úto_modelÚ
from_modelro   r   r   r   r`   …  s.   ÿþÿÿþþíz)AlterOrderWithRespectTo.database_forwardsc                 C   s   |   ||||¡ d S r   rÅ   r¹   r   r   r   re   Ÿ  s   z*AlterOrderWithRespectTo.database_backwardsc                 C   s    |   ||¡o| jd u p|| jkS r   )r(   rp   rÌ   r   r   r   rÍ   ¢  s   ÿz(AlterOrderWithRespectTo.references_fieldc                 C   rº   )Nz%Set order_with_respect_to on %s to %sr×   r"   r   r   r   ri   §  s   þz AlterOrderWithRespectTo.describec                 C   r™   )Nzalter_%s_order_with_respect_torj   r"   r   r   r   rk   ­  r$   z/AlterOrderWithRespectTo.migration_name_fragment)r1   r2   r3   r’   r‰   r   rK   rR   r`   re   rÍ   ri   r”   rk   r4   r   r   r.   r   r‹   n  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„ ƒ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.
    )Úbase_manager_nameÚdefault_manager_nameÚdefault_related_nameÚget_latest_byÚmanagedÚorderingÚpermissionsÚdefault_permissionsÚselect_on_saveÚverbose_nameÚverbose_name_pluralc                    r¿   r   )r7   r)   r   )r   r   r7   r.   r   r   r   È  rÁ   zAlterModelOptions.__init__c                 C   r�   )N)r   r7   )r   r7   r/   r3   rI   r   r   r   rK   Ì  rž   zAlterModelOptions.deconstructc                 C   s   |  || j| j| j¡ d S r   )rÃ   r#   r7   r…   rP   r   r   r   rR   Ó  s   üz AlterModelOptions.state_forwardsc                 C   ó   d S r   r   r¹   r   r   r   r`   Û  ó   z#AlterModelOptions.database_forwardsc                 C   rê   r   r   r¹   r   r   r   re   Þ  rë   z$AlterModelOptions.database_backwardsc                 C   r™   )NzChange Meta options on %sr   r"   r   r   r   ri   á  r   zAlterModelOptions.describec                 C   r™   )Nzalter_%s_optionsrj   r"   r   r   r   rk   ä  r$   z)AlterModelOptions.migration_name_fragment)r1   r2   r3   r’   r…   r   rK   rR   r`   re   ri   r”   rk   r4   r   r   r.   r   r„   ²  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„ ƒZ‡  ZS )r‡   zAlter the model's managers.r8   c                    r¿   r   )r8   r)   r   )r   r   r8   r.   r   r   r   î  rÁ   zAlterModelManagers.__init__c                 C   s   | j j| j| jgi fS r   )r/   r3   r   r8   r"   r   r   r   rK   ò  r¡   zAlterModelManagers.deconstructc                 C   rŸ   r   )Úalter_model_managersr#   r8   rP   r   r   r   rR   õ  r¡   z!AlterModelManagers.state_forwardsc                 C   rê   r   r   r¹   r   r   r   r`   ø  rë   z$AlterModelManagers.database_forwardsc                 C   rê   r   r   r¹   r   r   r   re   û  rë   z%AlterModelManagers.database_backwardsc                 C   r™   )NzChange managers on %sr   r"   r   r   r   ri   þ  r   zAlterModelManagers.describec                 C   r™   )Nzalter_%s_managersrj   r"   r   r   r   rk     r$   z*AlterModelManagers.migration_name_fragment)r1   r2   r3   r’   r“   r   rK   rR   r`   re   ri   r”   rk   r4   r   r   r.   r   r‡   é  s    r‡   c                   @   s   e Zd ZdZedd„ ƒZdS )ÚIndexOperationÚindexesc                 C   r    r   )r¦   r!   r"   r   r   r   rŒ   	  r$   zIndexOperation.model_name_lowerN)r1   r2   r3   r‰   r   rŒ   r   r   r   r   rí     s    rí   c                   @   r•   )ÚAddIndexz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   Úindex)r   r¦   rð   r   r   r   r     s   ÿÿ
zAddIndex.__init__c                 C   rŸ   r   )Ú	add_indexrŒ   rð   rP   r   r   r   rR     r¡   zAddIndex.state_forwardsc                 C   ó6   |j  || j¡}|  |jj|¡r| || j¡ d S d S r   )rU   rV   r¦   rW   rX   rY   rñ   rð   r[   r   r   r   r`     ó   ÿzAddIndex.database_forwardsc                 C   s6   |j  || j¡}|  |jj|¡r| || j¡ d S d S r   )rU   rV   r¦   rW   rX   rY   Úremove_indexrð   r[   r   r   r   re   "  ró   zAddIndex.database_backwardsc                 C   r�   )N)r¦   rð   )r¦   rð   r/   r3   rI   r   r   r   rK   '  ó   þýzAddIndex.deconstructc                 C   sN   | j jrd| 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   )rD   )r;   Ú
expressionr   r   r   ru   6  s    z%AddIndex.describe.<locals>.<listcomp>z*Create index %s on field(s) %s of model %s)rð   Úexpressionsr   Újoinr¦   r6   r"   r   r   r   ri   2  s   ýýzAddIndex.describec                 C   ó   d| j | jj ¡ f S ©Nz%s_%s)rŒ   rð   r   r!   r"   r   r   r   rk   ?  ó   z AddIndex.migration_name_fragmentN©r1   r2   r3   r’   r   rR   r`   re   rK   ri   r”   rk   r   r   r   r   rï     s    	rï   c                   @   r•   )ÚRemoveIndexzRemove an index from a model.c                 C   ó   || _ || _d S r   ©r¦   r   ©r   r¦   r   r   r   r   r   G  ó   
zRemoveIndex.__init__c                 C   rŸ   r   )rô   rŒ   r   rP   r   r   r   rR   K  r¡   zRemoveIndex.state_forwardsc                 C   sP   |j  || j¡}|  |jj|¡r&|j|| jf }| | j	¡}| 
||¡ d S d S r   )rU   rV   r¦   rW   rX   rY   r   rŒ   Úget_index_by_namer   rô   )r   r'   r\   r]   r^   r_   Úfrom_model_staterð   r   r   r   r`   N  ó   ýzRemoveIndex.database_forwardsc                 C   óP   |j  || j¡}|  |jj|¡r&|j|| jf }| | j	¡}| 
||¡ d S d S r   )rU   rV   r¦   rW   rX   rY   r   rŒ   r  r   rñ   )r   r'   r\   r]   r^   r_   Úto_model_staterð   r   r   r   re   U  r  zRemoveIndex.database_backwardsc                 C   r�   ©Nr   )r¦   r   r/   r3   rI   r   r   r   rK   \  rõ   zRemoveIndex.deconstructc                 C   rº   )NzRemove index %s from %s©r   r¦   r"   r   r   r   ri   g  r0   zRemoveIndex.describec                 C   ó   d| j | j ¡ f S ©Nzremove_%s_%s©rŒ   r   r!   r"   r   r   r   rk   j  ó   z#RemoveIndex.migration_name_fragmentNrý   r   r   r   r   rþ   D  s    rþ   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 )ÚRenameIndexz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¦   r   r~   Ú
old_fields)r   r¦   r   r~   r  r   r   r   r   r  s   ÿÿ
zRenameIndex.__init__c                 C   r    r   rš   r"   r   r   r   rƒ   �  r$   zRenameIndex.old_name_lowerc                 C   r    r   r›   r"   r   r   r   rœ   …  r$   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¦   r   r~   r  )r¦   r   r~   r  r/   r3   rI   r   r   r   rK   ‰  s   þ

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©r6   r   )r  rñ   rŒ   r   ÚIndexr   Úremove_model_optionsrÖ   r‰   Úrename_indexr~   rP   r   r   r   rR   ”  s   ýüÿzRenameIndex.state_forwardsc                    sú   |j  || j¡}|  |jj|¡sd S | jrP|j  || j¡‰ ‡ fdd„| jD ƒ}|jˆ |dd�}t|ƒdkrEt	dt|ƒˆ j
jd |¡f ƒ‚tj| j|d d	�}n|j|| jf }	|	 | j¡}|j| jkrfd S |j|| jf }
|
 | j¡}| |||¡ d S )
Nc                    s   g | ]	}ˆ j  |¡j‘qS r   )r@   r§   Úcolumn)r;   ro   ©rÞ   r   r   ru   ­  s    ÿz1RenameIndex.database_forwards.<locals>.<listcomp>T)Úcolumn_namesrð   r	   z.Found wrong number (%s) of indexes for %s(%s).rö   r   r  )rU   rV   r¦   rW   rX   rY   r  Ú_constraint_namesrÎ   r   r@   r¢   rù   r   r  rŒ   r  r~   r   r   r  )r   r'   r\   r]   r^   r_   ÚcolumnsÚmatching_index_nameÚ	old_indexr  r  Ú	new_indexr   r  r   r`   ¦  s>   
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   )r  rƒ   rœ   r~   r   r`   r¹   r   r   r   re   Ë  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 )r~   r¦   r   r  r"   r   r   r   ri   Þ  s   ÿÿÿzRenameIndex.describec                 C   s0   | j rd| j| jf S d| jd | j¡| jf S )Nr»   zrename_%s_%s_%sr<   )r~   rƒ   rœ   rŒ   rù   r  r"   r   r   r   rk   è  s   
ýz#RenameIndex.migration_name_fragmentc                    sP   t |tƒr!| j|jkr!|jr!| j|jkr!t| j|j| j| jd�gS t	ƒ  
||¡S )N)r   r~   r  )rC   r  rŒ   r~   rœ   rƒ   r¦   r   r  r)   r*   r,   r.   r   r   r*   ò  s   ÿÿüÿzRenameIndex.reduce)NN)r1   r2   r3   r’   r   r   rƒ   rœ   rK   rR   r`   re   ri   r”   rk   r*   r4   r   r   r.   r   r  o  s    


%

	r  c                   @   r•   )ÚAddConstraintÚconstraintsc                 C   rÿ   r   ©r¦   Ú
constraint)r   r¦   r  r   r   r   r     r  zAddConstraint.__init__c                 C   rŸ   r   )Úadd_constraintrŒ   r  rP   r   r   r   rR     r¡   zAddConstraint.state_forwardsc                 C   rò   r   )rU   rV   r¦   rW   rX   rY   r   r  r[   r   r   r   r`     ró   zAddConstraint.database_forwardsc                 C   rò   r   )rU   rV   r¦   rW   rX   rY   Úremove_constraintr  r[   r   r   r   re     ró   z AddConstraint.database_backwardsc                 C   ó   | j jg | j| jdœfS )Nr  )r/   r1   r¦   r  r"   r   r   r   rK     ó   þýzAddConstraint.deconstructc                 C   s   d| j j| jf S )Nz Create constraint %s on model %s)r  r   r¦   r"   r   r   r   ri   "  s   þzAddConstraint.describec                 C   rú   rû   )rŒ   r  r   r!   r"   r   r   r   rk   (  rü   z%AddConstraint.migration_name_fragmentN©r1   r2   r3   r‰   r   rR   r`   re   rK   ri   r”   rk   r   r   r   r   r    s    
r  c                   @   r•   )ÚRemoveConstraintr  c                 C   rÿ   r   r   r  r   r   r   r   0  r  zRemoveConstraint.__init__c                 C   rŸ   r   )r!  rŒ   r   rP   r   r   r   rR   4  r¡   zRemoveConstraint.state_forwardsc                 C   sP   |j  || j¡}|  |jj|¡r&|j|| jf }| | j	¡}| 
||¡ d S d S r   )rU   rV   r¦   rW   rX   rY   r   rŒ   Úget_constraint_by_namer   r!  )r   r'   r\   r]   r^   r_   r  r  r   r   r   r`   7  r  z"RemoveConstraint.database_forwardsc                 C   r  r   )rU   rV   r¦   rW   rX   rY   r   rŒ   r&  r   r   )r   r'   r\   r]   r^   r_   r  r  r   r   r   re   >  r  z#RemoveConstraint.database_backwardsc                 C   r"  r  )r/   r1   r¦   r   r"   r   r   r   rK   E  r#  zRemoveConstraint.deconstructc                 C   rº   )Nz"Remove constraint %s from model %sr	  r"   r   r   r   ri   O  r0   zRemoveConstraint.describec                 C   r
  r  r  r"   r   r   r   rk   R  r  z(RemoveConstraint.migration_name_fragmentNr$  r   r   r   r   r%  -  s    
r%  N)&Ú	django.dbr   Ú$django.db.migrations.operations.baser   Údjango.db.migrations.stater   Údjango.db.migrations.utilsr   r   Údjango.db.models.optionsr   Údjango.utils.functionalr   r6   r
   r   r   r   r   r   r   r5   r�   r‚   r½   r¾   rˆ   rÑ   rÖ   r‹   r„   r‡   rí   rï   rþ   r  r  r%  r   r   r   r   Ú<module>   s<    
  # 
3AD76+ )