o
    ÏŸŽiõO  ã                   @   sæ  d dl Z d dlZd dl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 d dlmZmZ d d	lmZmZ d d
lmZ d dlmZ d dlmZ d dlmZ d dlmZ d dlm Z! dd„ dD ƒZ"dd„ e" #¡ D ƒZ$edd %dd„ e$D ƒ¡ ƒZ&G dd„ de'ƒZ(dd„ Z)dHdd„Z*dd „ Z+d!d"„ Z,d#d$„ Z-d%d&„ Z.d'd(„ Z/G d)d*„ d*eƒZ0d+d,„ Z1dId-d.„Z2dId/d0„Z3d1d2„ Z4dJd4d5„Z5d6d7„ Z6d8d9„ Z7dKd:d;„Z8G d<d=„ d=e'ƒZ9d>d?„ Z:d@dA„ Z;dBdC„ Z<dDdE„ Z=dFdG„ Z>dS )Lé    N)Údefaultdict)ÚFieldDoesNotExist)ÚmodelsÚrouter)Ú
LOOKUP_SEP)Ú	Collector)Úpretty_name)ÚNoReverseMatchÚreverse)ÚformatsÚtimezone)Úmake_hashable)Úformat_html)Ú_lazy_re_compile)Úcapfirst)Úngettext)Úoverridec                 C   s   i | ]}|d | “qS )z_%02X© )Ú.0Úir   r   údC:\Users\psant\Downloads\Anu Raj Backend\school\venv\Lib\site-packages\django/contrib/admin/utils.pyÚ
<dictcomp>   s    r   s   ":/_#?;@&=+$,"[]<>%
\c                 C   s   i | ]	\}}|t |ƒ“qS r   )Úchr)r   ÚkÚvr   r   r   r      s    z_(?:%s)ú|c                 C   s   g | ]}|d d… ‘qS )é   Nr   )r   Úxr   r   r   Ú
<listcomp>   s    r   c                   @   s   e Zd ZdZdS )ÚFieldIsAForeignKeyColumnNamez/A field is a foreign key attname, i.e. <FK>_id.N)Ú__name__Ú
__module__Ú__qualname__Ú__doc__r   r   r   r   r      s    r   c              	   C   s|   |  t¡}|D ]4}|dkr| jj}z|  |¡}W n	 ty!   Y qw t|dƒr;|j}|d j} t	dd„ |D ƒƒr; dS qdS )	zA
    Return True if the given lookup path spawns duplicates.
    ÚpkÚ
path_infoséÿÿÿÿc                 s   s   � | ]}|j V  qd S ©N)Zm2m)r   Úpathr   r   r   Ú	<genexpr>2   s   € z+lookup_spawns_duplicates.<locals>.<genexpr>TFN)
Úsplitr   r$   ÚnameÚ	get_fieldr   Úhasattrr%   Úto_optsÚany)ÚoptsZlookup_pathZlookup_fieldsÚ
field_nameÚfieldZ	path_infor   r   r   Úlookup_spawns_duplicates   s    
þ

€r3   ú,c                 C   s2   |   d¡r| |¡}|S |   d¡r| ¡ dv}|S )zJ
    Return a lookup value prepared to be used in queryset filtering.
    Z__inZ__isnull)Ú ÚfalseÚ0N)Úendswithr*   Úlower)ÚkeyÚvalueÚ	separatorr   r   r   Úprepare_lookup_value9   s   


þr=   c                 C   s   t | tƒr
|  t¡S | S )a*  
    Ensure that primary key values do not confuse the admin URLs by escaping
    any '/', '_' and ':' and similarly problematic characters.
    Similar to urllib.parse.quote(), except that the quoting is slightly
    different so that it doesn't get automatically unquoted by the web browser.
    N)Ú
isinstanceÚstrÚ	translateÚ	QUOTE_MAP©Úsr   r   r   ÚquoteF   s   rD   c                 C   s   t  dd„ | ¡S )zUndo the effects of quote().c                 S   s   t | d  S )Nr   )ÚUNQUOTE_MAP)Úmr   r   r   Ú<lambda>R   s    zunquote.<locals>.<lambda>N)Ú
UNQUOTE_REÚsubrB   r   r   r   ÚunquoteP   s   rJ   c                 C   s6   g }| D ]}t |ttfƒr| |¡ q| |¡ q|S )zS
    Return a list which is a single level of flattening of the original list.
    N)r>   ÚlistÚtupleÚextendÚappend)ÚfieldsZflatr2   r   r   r   ÚflattenU   s   rP   c                 C   s(   g }| D ]\}}|  t|d ƒ¡ q|S )z?Return a list of field names from an admin fieldsets structure.rO   N)rM   rP   )Z	fieldsetsÚfield_namesr+   r0   r   r   r   Úflatten_fieldsetsb   s   rR   c           	         s¦   z| d }W n t y   g i tƒ g f Y S w t |jj¡}t|| d�}| | ¡ tƒ ‰‡ ‡‡fdd„‰| ˆ¡}‡fdd„|j	D ƒ}dd„ |j
 ¡ D ƒ}||ˆ|fS )
a  
    Find all objects related to ``objs`` that should also be deleted. ``objs``
    must be a homogeneous iterable of objects (e.g. a QuerySet).

    Return a nested list of strings suitable for display in the
    template with the ``unordered_list`` filter.
    r   )ÚusingÚoriginc                    s¢   | j }|ˆ jv }| j}dt|jƒ| f }|rOˆ j|  ˆ| ¡s%ˆ |j¡ ztdˆ j|j	|j
f d t| jƒfƒ}W n tyD   | Y S w tdt|jƒ|| ƒS |S )Nz%s: %sz%s:%s_%s_changez{}: <a href="{}">{}</a>)Ú	__class__Ú	_registryÚ_metar   Úverbose_nameZhas_delete_permissionÚaddr
   r+   Ú	app_labelÚ
model_namerD   r$   r	   r   )ÚobjÚmodelZ	has_adminr0   Zno_edit_linkZ	admin_url)Ú
admin_siteÚperms_neededÚrequestr   r   Úformat_callback|   s,   
ÿ
üþÿz,get_deleted_objects.<locals>.format_callbackc                    s   g | ]}ˆ |ƒ‘qS r   r   )r   r\   )ra   r   r   r   œ   s    z'get_deleted_objects.<locals>.<listcomp>c                 S   s   i | ]\}}|j jt|ƒ“qS r   )rW   Úverbose_name_pluralÚlen)r   r]   Úobjsr   r   r   r   �   s    ÿÿz'get_deleted_objects.<locals>.<dictcomp>N)Ú
IndexErrorÚsetr   Zdb_for_writerW   r]   ÚNestedObjectsÚcollectÚnestedÚ	protectedÚ
model_objsÚitems)	rd   r`   r^   r\   rS   Ú	collectorZ	to_deleterj   Zmodel_countr   )r^   ra   r_   r`   r   Úget_deleted_objectsj   s    ÿ

þrn   c                       sX   e Zd Z‡ fdd„Zdd„ Zd‡ fdd„	Z‡ fdd	„Zd
d„ Zddd„Zdd„ Z	‡  Z
S )rg   c                    s.   t ƒ j|i |¤Ž i | _tƒ | _ttƒ| _d S r'   )ÚsuperÚ__init__Úedgesrf   rj   r   rk   ©ÚselfÚargsÚkwargs©rU   r   r   rp   ¦   s   zNestedObjects.__init__c                 C   s   | j  |g ¡ |¡ d S r'   )rq   Ú
setdefaultrN   )rs   ÚsourceÚtargetr   r   r   Úadd_edge¬   s   zNestedObjects.add_edgeNc              
      sè   |D ].}|r |  d¡s ||jj|jjdœ }|  t||ƒ|¡ n|  d |¡ | j|jj  |¡ qzt	ƒ j
|fd|i|¤ŽW S  tjyY } z| j |j¡ W Y d }~d S d }~w tjys } z| j |j¡ W Y d }~d S d }~ww )Nú+)ÚclassrZ   Úsource_attr)r8   rW   r[   rZ   rz   Úgetattrrk   r]   rY   ro   rh   r   ZProtectedErrorrj   ÚupdateZprotected_objectsZRestrictedErrorZrestricted_objects)rs   rd   rx   r}   ru   r\   Úrelated_nameÚerv   r   r   rh   ¯   s$   þ€€ÿzNestedObjects.collectc                    s$   t ƒ  |||¡}|jdd„ |D ƒŽ S )Nc                 S   s   g | ]}|j ‘qS r   )r+   )r   Zrelated_fieldr   r   r   r   Ä   s    z1NestedObjects.related_objects.<locals>.<listcomp>)ro   Úrelated_objectsZselect_related)rs   Úrelated_modelZrelated_fieldsrd   Úqsrv   r   r   r‚   Á   s   ÿzNestedObjects.related_objectsc                 C   sj   ||v rg S |  |¡ g }| j |d¡D ]}| |  |||¡¡ q|r)||ƒg}n|g}|r3| |¡ |S )Nr   )rY   rq   ÚgetrM   Ú_nestedrN   )rs   r\   Úseenra   ÚchildrenÚchildÚretr   r   r   r†   Ç   s   

zNestedObjects._nestedc                 C   s6   t ƒ }g }| j dd¡D ]}| |  |||¡¡ q|S )z4
        Return the graph as a nested list.
        Nr   )rf   rq   r…   rM   r†   )rs   ra   r‡   ÚrootsÚrootr   r   r   ri   Ö   s
   zNestedObjects.nestedc                 O   s   dS )z�
        We always want to load the objects into memory so that we can display
        them to the user in confirm page.
        FNr   rr   r   r   r   Úcan_fast_deleteà   s   zNestedObjects.can_fast_delete)NNr'   )r    r!   r"   rp   rz   rh   r‚   r†   ri   r�   Ú__classcell__r   r   rv   r   rg   ¥   s    

rg   c                 C   sF   t | tjtjjfƒr| j}nt | tjjƒr| jj}n| }|j	|j
dœS )zË
    Return a `dict` with keys 'verbose_name' and 'verbose_name_plural',
    typically for use with string formatting.

    `obj` may be a `Model` instance, `Model` subclass, or `QuerySet` instance.
    )rX   rb   N)r>   r   ZModelÚbaseZ	ModelBaserW   ÚqueryÚQuerySetr]   rX   rb   )r\   r0   r   r   r   Úmodel_format_dictè   s   
þr’   c                 C   sN   t | tjjƒr|du r|  ¡ }| j} t| ƒ}|d |d }}t|||p%dƒS )a-  
    Return the appropriate `verbose_name` or `verbose_name_plural` value for
    `obj` depending on the count `n`.

    `obj` may be a `Model` instance, `Model` subclass, or `QuerySet` instance.
    If `obj` is a `QuerySet` instance, `n` is optional and the length of the
    `QuerySet` is used.
    NrX   rb   r   )r>   r   r�   r‘   Úcountr]   r’   r   )r\   ÚnÚdZsingularÚpluralr   r   r   Úmodel_ngettextû   s   	r—   c              	   C   s¢   |j }zt|| ƒ}W n: ttfyD   t| ƒr| }||ƒ}n"t|| ƒr1| dkr1t|| ƒ}||ƒ}nt|| ƒ}t|ƒr>|ƒ }n|}d }Y nw d }t|| ƒ}|||fS )NÚ__str__)rW   Ú_get_non_gfk_fieldr   r   Úcallabler-   r~   )r+   r\   Úmodel_adminr0   ÚfÚattrr;   r   r   r   Úlookup_field  s&   



ñ

rž   c                 C   sR   |   |¡}|jr|jr|jr|jrtƒ ‚|jr'|js't|dƒr'|j|kr't	ƒ ‚|S )a  
    For historical reasons, the admin app relies on GenericForeignKeys as being
    "not found" by get_field(). This could likely be cleaned up.

    Reverse relations should also be excluded as these aren't attributes of the
    model (rather something like `foo_set`).
    ÚattnameN)
r,   Úis_relationZmany_to_onerƒ   Zone_to_manyr   Zmany_to_manyr-   rŸ   r   )r0   r+   r2   r   r   r   r™   '  s(   
ÿüüüÿþýür™   Fc           	      C   s’  d}zt |j| ƒ}z|j}W n ty   |jjj}Y nw W n¢ ty²   | dkr2t|jjƒ}t}n~t| ƒr9| }nCt|| ƒrDt	|| ƒ}n8t|| ƒrOt	|| ƒ}n-|r\| |j
v r\|j
|  }n d| |jjf }|rn|d|jj 7 }|rx|d|jj 7 }t|ƒ‚t|dƒr…|j}n+t|tƒršt|dƒršt|jdƒrš|jj}nt|ƒr¬|jdkr¦d}n
t|jƒ}nt| ƒ}Y n tyÀ   t| ƒ}| }Y nw |rÇ||fS |S )	ak  
    Return a sensible label for a field name. The name can be a callable,
    property (but not created with @property decorator), or the name of an
    object's attribute, as well as a model field. If return_attr is True, also
    return the resolved attribute (which could be a callable). This will be
    None if (and only if) the name refers to a field.
    Nr˜   zUnable to lookup '%s' on %sz or %sÚshort_descriptionÚfgetz<lambda>z--)r™   rW   rX   ÚAttributeErrorrƒ   r   r?   rš   r-   r~   rO   Zobject_namerU   r    r¡   r>   Úpropertyr¢   r   r   )	r+   r]   r›   Zreturn_attrÚformr�   r2   ÚlabelÚmessager   r   r   Úlabel_for_fieldD  sh   
þ€

þ
ÿþ
ý

€þr¨   c              	   C   sB   d}zt |j| ƒ}W n ttfy   Y |S w t|dƒr|j}|S )Nr5   Ú	help_text)r™   rW   r   r   r-   r©   )r+   r]   r©   r2   r   r   r   Úhelp_text_for_field…  s   û
rª   c                 C   sZ  ddl m} t|dd ƒr1z
t|jƒ | |¡W S  ty0   t|jƒ}t| ƒ} t|ƒ | |¡ Y S w t|t	j
ƒr;|| ƒS | d u rA|S t|t	jƒrOt t | ¡¡S t|t	jt	jfƒr]t | ¡S t|t	jƒrjt | |j¡S t|t	jt	jfƒrxt | ¡S t|t	jƒr‡| r‡td| j| ƒS t|t	jƒr¨| r¨z
tj| d|jd�W S  ty§   t| |ƒ Y S w t| |ƒS )Nr   ©Ú_boolean_iconÚflatchoicesz<a href="{}">{}</a>F)Úensure_asciiÚcls)Ú,django.contrib.admin.templatetags.admin_listr¬   r~   Údictr­   r…   Ú	TypeErrorr   r>   r   ZBooleanFieldZDateTimeFieldr   Úlocalizer   Útemplate_localtimeZ	DateFieldZ	TimeFieldZDecimalFieldÚnumber_formatZdecimal_placesZIntegerFieldZ
FloatFieldZ	FileFieldr   ÚurlZ	JSONFieldÚjsonÚdumpsÚencoderÚdisplay_for_value)r;   r2   Úempty_value_displayr¬   r­   r   r   r   Údisplay_for_field‘  s<   
ü

ÿ
r¼   c                 C   s´   ddl m} |r|| ƒS | d u r|S t| tƒrt| ƒS t| tjƒr)t t 	| ¡¡S t| tj
tjfƒr7t | ¡S t| ttjtfƒrEt | ¡S t| ttfƒrVd dd„ | D ƒ¡S t| ƒS )Nr   r«   z, c                 s   s   � | ]}t |ƒV  qd S r'   )r?   )r   r   r   r   r   r)   Æ  s   € z$display_for_value.<locals>.<genexpr>)r°   r¬   r>   Úboolr?   Údatetimer   r³   r   r´   ÚdateÚtimeÚintÚdecimalÚDecimalÚfloatrµ   rK   rL   Újoin)r;   r»   Úbooleanr¬   r   r   r   rº   ¶  s    


rº   c                   @   s   e Zd ZdS )ÚNotRelationFieldN)r    r!   r"   r   r   r   r   rÇ   Ë  s    rÇ   c                 C   s   t | dƒr| jd jjS t‚)Nr%   r&   )r-   r%   r.   r]   rÇ   )r2   r   r   r   Úget_model_from_relationÏ  s   
rÈ   c              	   C   sª   g }| }|  t¡}|D ]B}|j |¡}t|ƒt|ƒd kr.zt|ƒ W n
 ty-   Y  qNw |jr@|jr7|j	r@| 
¡ }|jj}n|jj}|j}| d|¡ q|t |¡fS )zªCreate a reversed field path.

    E.g. Given (Order, "user__groups"),
    return (Group, "user__order").

    Final field must be a related model, not a data field.
    r   r   N)r*   r   rW   r,   rc   rÈ   rÇ   r    Zauto_createdZconcreteZrelated_query_nameZremote_fieldr]   r2   r+   rƒ   ÚinsertrÅ   )r]   r(   Zreversed_pathÚparentÚpiecesÚpiecer2   r€   r   r   r   Úreverse_field_pathÖ  s$   
ÿ
rÍ   c                 C   sD   |  t¡}g }|D ]}|rt|d ƒ}n| }| |j |¡¡ q	|S )a:  Return list of Fields given path relative to model.

    e.g. (ModelX, "user__groups__name") -> [
        <django.db.models.fields.related.ForeignKey object at 0x...>,
        <django.db.models.fields.related.ManyToManyField object at 0x...>,
        <django.db.models.fields.CharField object at 0x...>,
    ]
    r&   N)r*   r   rÈ   rN   rW   r,   )r]   r(   rË   rO   rÌ   rÊ   r   r   r   Úget_fields_from_pathõ  s   
	rÎ   c                 C   s:  | j }tdƒ� t| |ƒ}W d  ƒ n1 sw   Y  g }|r(| di i¡ n| j r4| dd|ii¡ |r›tdƒ�Y |D ]M}|jD ]}| dt|jjƒt|ƒdœi¡ qB|jD ]\}}	| dt|jjƒt|ƒt|j	d |	ƒdœi¡ qX|j
D ]}
| dt|
jjƒt|
ƒdœi¡ qwq=W d  ƒ |S 1 s–w   Y  |S )	zÊ
    Construct a JSON structure describing changes from a changed object.
    Translations are deactivated so that strings are stored untranslated.
    Translation happens later on LogEntry access.
    NÚaddedÚchangedrO   )r+   Úobjectr   )r+   rÑ   rO   Zdeleted)Úchanged_dataÚtranslation_overrideÚ#_get_changed_field_labels_from_formrN   Znew_objectsr?   rW   rX   Zchanged_objectsZformsZdeleted_objects)r¥   ZformsetsrY   rÒ   Úchanged_field_labelsZchange_messageZformsetZadded_objectZchanged_objectZchanged_fieldsZdeleted_objectr   r   r   Úconstruct_change_message	  sZ   	
ü


þÿÿ

ÿýÿÿ

þÿÿÿê
ÿ à rÖ   c              	   C   sL   g }|D ]}z
| j | jp|}W n ty   |}Y nw | t|ƒ¡ q|S r'   )rO   r¦   ÚKeyErrorrN   r?   )r¥   rÒ   rÕ   r1   Zverbose_field_namer   r   r   rÔ   B  s   ÿrÔ   )r4   r'   )NFN)F)?r¾   rÂ   r·   Úcollectionsr   Zdjango.core.exceptionsr   Z	django.dbr   r   Zdjango.db.models.constantsr   Zdjango.db.models.deletionr   Zdjango.forms.utilsr   Zdjango.urlsr	   r
   Zdjango.utilsr   r   Zdjango.utils.hashabler   Zdjango.utils.htmlr   Zdjango.utils.regex_helperr   Zdjango.utils.textr   Zdjango.utils.translationr   r   rÓ   rA   rl   rE   rÅ   rH   Ú	Exceptionr   r3   r=   rD   rJ   rP   rR   rn   rg   r’   r—   rž   r™   r¨   rª   r¼   rº   rÇ   rÈ   rÍ   rÎ   rÖ   rÔ   r   r   r   r   Ú<module>   sV    

;C


A
%9