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Editing: main.cpython-310.pyc
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Return None if no proper model field name can be matched. �fget�admin_order_fieldN) r? � get_field�namer r� �hasattrrM �getattrr< r� �propertyr� )r. � field_namer� �attrr3 r3 r4 �get_ordering_field s �z ChangeList.get_ordering_fieldc C s0 | j }t| j�|�p | �� �}t|v r�g }|t �d�}|D ]m}z`|�d�\}}} | jt | � } | � | �} | s9W q t | t �rP|dkrJ| � � } | �� |�| � n/t| d�re|�|dkr_| �� n| �� � n| �d�rx|dkrx|�| dd� � n|�|| � W q ttfy� Y q w |�|jj� | �|�S )a� Return the list of ordering fields for the change list. First check the get_ordering() method in model admin, then check the object's default ordering. Then, any manually-specified ordering from the query string overrides anything. Finally, a deterministic order is guaranteed by calling _get_deterministic_ordering() with the constructed ordering. �.�-�resolve_expressionr; N)rf r� rM � get_orderingr� � ORDER_VAR�split� rpartitionrB r[ r� r� r rs �reverse_orderingr� r� �desc�ascr� � IndexErrorr^ �extendrZ �order_by�_get_deterministic_ordering) r. rq ri rf r� � order_paramsr# �none�pfx�idxr� � order_fieldr3 r3 r4 r� ) s8 �� zChangeList.get_orderingc sH t |�}t� }dhdd� � jjD �B }|D ]R}d}t|t�r$|�d�}nt|t�r-|j}nt|t �r<t|j t�r<|j j}|rgz� j� |�}W n t yO Y qw |j rY||jkrYq|j|v ra |S |�|j� qg � jj�dd� � jjD ��R }|D ]"}� fdd �|D �} td d� | D ��r�qz|�d d� | D ��r� |S qz|�d � |S ) a Ensure a deterministic order across all database backends. Search for a single field or unique together set of fields providing a total ordering. If these are missing, augment the ordering with a descendant primary key. rn c S s h | ] }|j r|js|j�qS r3 )�unique�nullro ��.0r� r3 r3 r4 � <setcomp>] s ���z9ChangeList._get_deterministic_ordering.<locals>.<setcomp>Nr� c s � � | ]}|j V qd S r� )r- )r� � constraintr3 r3 r4 � <genexpr>~ s � � �z9ChangeList._get_deterministic_ordering.<locals>.<genexpr>c s g | ]}� j �|��qS r3 )r? r� )r� r� �r. r3 r4 � <listcomp>� s z:ChangeList._get_deterministic_ordering.<locals>.<listcomp>c s r� r� )r� r� r3 r3 r4 r� � � � c s r� r� )ro r� r3 r3 r4 r� � r� z-pk)r� �setr? r- r� �str�lstripr r� r � expressionr� r � remote_fieldro �add�unique_together�total_unique_constraints�any� issupersetr� ) r. r� �ordering_fields�total_ordering_fields�partr� r� �constraint_field_names� field_namesr- r3 r� r4 r� T sV � � ������ z&ChangeList._get_deterministic_orderingc C s | � � }i }t| jvr\|D ]L}t|ttf�r2t|t�s |�� }t|jt�r1|j r*dnd}|jj }nq |� d�r@|dd� }d}nd}t | j �D ]\}}| �|�|krX|||< nqGq |S | jt �d�D ]$}|�d�\}} } zt| �} W n ty} Y qdw | dkr�dnd|| < qd|S )zT Return a dictionary of ordering field column numbers and asc/desc. r� r� r� r; Nr� )r� r� rf r� r r r� r� r � descendingr� r� � enumeraterB r� r� r� r[ r^ ) r. r� r� r� � order_type�indexr� r# r� r� r� r3 r3 r4 �get_ordering_field_columns� s> �� � �z%ChangeList.get_ordering_field_columnsc C s | � |�\| _| _}}| _| j}| jD ]}|�||�}|d ur!|}qz |jdi |��}W n ttfy6 � t yE } zt |��d }~ww | j � ||| j �\}}| j|| �� d�| _||B ro|jtd�d�}| j�t|��}| �||�} |j| � }|j js�| �|�}|S )N)r� r� rn )rn r3 )r� r� rE rF rA ri �filterr r � Exceptionr rM �get_search_resultsrZ r� rw rG r r r� r� �select_related�apply_select_related) r. rq �remaining_lookup_params�filters_may_have_duplicates�qs� filter_spec�new_qsr% �search_may_have_duplicatesr� r3 r3 r4 r@ � sH � ��� �� zChangeList.get_querysetc C sB | j du r |�� S | j du r| �� r|�� S | j r |j| j � S |S �NTF)rJ r� �!has_related_field_in_list_display)r. r� r3 r3 r4 r� � s z ChangeList.apply_select_relatedc C sR | j D ]#}z| j�|�}W n ty Y qw t|jt�r&||�� kr& dS qdS r� )rB r? r� r r� r� r � get_attname)r. r� r� r3 r3 r4 r� � s � �z,ChangeList.has_related_field_in_list_displayc C s6 t || j�}td| jj| jjf t|�f| jjj d�S )Nzadmin:%s_%s_change)r/ � current_app) r� rp r r> � app_label� model_namer rM � admin_siter� )r. �resultrn r3 r3 r4 �url_for_result s ��zChangeList.url_for_resultr� )NN)r5 r6 r7 r& rQ r* rw r� r� rj r� r� r� r� r� r@ r� r� r� r3 r3 r3 r4 r9 0 s ; [!+>(9 r9 N)7r r �djangor � django.confr �django.contribr �django.contrib.adminr � django.contrib.admin.exceptionsr r � django.contrib.admin.optionsr r r �django.contrib.admin.utilsr r r r �django.core.exceptionsr r r �django.core.paginatorr �django.db.modelsr r r r r r � django.db.models.expressionsr � django.urlsr �django.utils.httpr �django.utils.timezoner �django.utils.translationr r_ r� �ORDER_TYPE_VARr\ r+ rg rt �Formr& r9 r3 r3 r3 r4 �<module> s4 �
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