o
    eR                     @   s  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 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$Z% dd dD Z&dd e&' D Z(edd)dd e(D  Z*G dd de+Z,dd Z-dd Z.dNd!d"Z/d#d$ Z0d%d& Z1d'd( Z2d)d* Z3d+d, Z4d-d. Z5G d/d0 d0eZ6d1d2 Z7dOd3d4Z8dOd5d6Z9d7d8 Z:dPd:d;Z;d<d= Z<d>d? Z=dQd@dAZ>G dBdC dCe+Z?dDdE Z@dFdG ZAdHdI ZBdJdK ZCdLdM ZDdS )R    N)defaultdict)reduce)or_)FieldDoesNotExist)modelsrouter)
LOOKUP_SEP)	Collector)pretty_name)NoReverseMatchreverse)formatstimezone)make_hashable)format_html)_lazy_re_compile)capfirst)ngettext)overridec                 C   s   i | ]}|d | qS )z_%02X ).0ir   r   M/var/www/html/venv/lib/python3.10/site-packages/django/contrib/admin/utils.py
<dictcomp>   s    r   s   ":/_#?;@&=+$,"[]<>%
\c                 C   s   i | ]	\}}|t |qS r   )chr)r   kvr   r   r   r          z_(?:%s)|c                 C   s   g | ]}|d d qS )   Nr   )r   xr   r   r   
<listcomp>   s    r!   c                   @   s   e Zd ZdZdS )FieldIsAForeignKeyColumnNamez/A field is a foreign key attname, i.e. <FK>_id.N)__name__
__module____qualname____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r;|j}|d j} t	dd |D r; dS qdS )zA
    Return True if the given lookup path spawns duplicates.
    pk
path_infosc                 s   s    | ]}|j V  qd S N)m2m)r   pathr   r   r   	<genexpr>4   s    z+lookup_spawns_duplicates.<locals>.<genexpr>TF)
splitr   r'   name	get_fieldr   hasattrr(   to_optsany)optslookup_pathlookup_fields
field_namefield	path_infor   r   r   lookup_spawns_duplicates!   s    


r:   c                 C   s    |  |}t|tr|d S |S )Nr)   )get
isinstancelist)
parameterskeyvaluer   r   r   get_last_value_from_parameters;   s   
rA   ,c                    sP   t |tr fdd|D S  dr|}|S  dr&| dv}|S )zJ
    Return a lookup value prepared to be used in queryset filtering.
    c                    s   g | ]	}t  |d qS ))	separator)prepare_lookup_valuer   r   r?   rC   r   r   r!   E   r   z(prepare_lookup_value.<locals>.<listcomp>__in__isnull) false0)r<   r=   endswithr.   lower)r?   r@   rC   r   rF   r   rD   @   s   



rD   c                    s:   t  }|  D ]\ }|tt fdd|D M }q|S )Nc                 3   s    | ]
}t  |fV  qd S r*   )r   Q)r   itemparamr   r   r-   R   s    z8build_q_object_from_lookup_parameters.<locals>.<genexpr>)r   rN   itemsr   r   )r>   q_objectparam_item_listr   rP   r   %build_q_object_from_lookup_parametersO   s   rU   c                 C   s   t | t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.
    )r<   str	translate	QUOTE_MAPsr   r   r   quoteV   s   r[   c                 C   s   t dd | S )zUndo the effects of quote().c                 S   s   t | d  S )Nr   )UNQUOTE_MAP)mr   r   r   <lambda>b   s    zunquote.<locals>.<lambda>)
UNQUOTE_REsubrY   r   r   r   unquote`   s   ra   c                 C   s6   g }| D ]}t |ttfr|| q|| q|S )zS
    Return a list which is a single level of flattening of the original list.
    )r<   r=   tupleextendappend)fieldsflatr8   r   r   r   flattene   s   rg   c                 C   s(   g }| D ]\}}| t|d  q|S )z?Return a list of field names from an admin fieldsets structure.re   )rc   rg   )	fieldsetsfield_namesr/   r4   r   r   r   flatten_fieldsetsr   s   rj   c           	         s   z| d }W n t y   g i t g f Y S w t|jj}t|| d}||  t  fdd|}fdd|j	D }dd |j
 D }|||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   )usingoriginc                    s   | j }| j}dt|j| f } |rM || s#|j ztd j	|j
|jf d t| jf}W n tyB   | Y S w tdt|j|| S |S )Nz%s: %sz%s:%s_%s_changez{}: <a href="{}">{}</a>)	__class___metar   verbose_nameis_registeredget_model_adminhas_delete_permissionaddr   r/   	app_label
model_namer[   r'   r   r   )objmodelr4   no_edit_link	admin_url)
admin_siteperms_neededrequestr   r   format_callback   s.   


z,get_deleted_objects.<locals>.format_callbackc                    s   g | ]} |qS r   r   )r   rv   )r}   r   r   r!      s    z'get_deleted_objects.<locals>.<listcomp>c                 S   s   i | ]\}}|j jt|qS r   )rn   verbose_name_plurallen)r   rw   objsr   r   r   r      s    z'get_deleted_objects.<locals>.<dictcomp>)
IndexErrorsetr   db_for_writern   rw   NestedObjectscollectnested	protected
model_objsrR   )	r   r|   rz   rv   rk   	collector	to_deleter   model_countr   )rz   r}   r{   r|   r   get_deleted_objectsz   s    

r   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 )r   c                    s.   t  j|i | i | _t | _tt| _d S r*   )super__init__edgesr   r   r   r   selfargskwargsrm   r   r   r      s   zNestedObjects.__init__c                 C   s   | j |g | d S r*   )r   
setdefaultrd   )r   sourcetargetr   r   r   add_edge   s   zNestedObjects.add_edgeNc              
      s   |D ].}|r | ds ||jj|jjd }| t||| n| d | | j|jj | qzt	 j
|fd|i|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 )N+)classrt   source_attr)rL   rn   ru   rt   r   getattrr   rw   rs   r   r   r   ProtectedErrorr   updateprotected_objectsRestrictedErrorrestricted_objects)r   r   r   r   r   rv   related_nameer   r   r   r      s$   zNestedObjects.collectc                    s$   t  |||}|jdd |D  S )Nc                 S   s   g | ]}|j qS r   )r/   )r   related_fieldr   r   r   r!      s    z1NestedObjects.related_objects.<locals>.<listcomp>)r   related_objectsselect_related)r   related_modelrelated_fieldsr   qsr   r   r   r      s   zNestedObjects.related_objectsc                 C   sj   ||v rg S | | g }| j|dD ]}|| ||| q|r)||g}n|g}|r3|| |S )Nr   )rs   r   r;   rc   _nestedrd   )r   rv   seenr}   childrenchildretr   r   r   r      s   

zNestedObjects._nestedc                 C   s6   t  }g }| jddD ]}|| ||| q|S )z4
        Return the graph as a nested list.
        Nr   )r   r   r;   rc   r   )r   r}   r   rootsrootr   r   r   r      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.
        Fr   r   r   r   r   can_fast_delete   s   zNestedObjects.can_fast_delete)NNr*   )r#   r$   r%   r   r   r   r   r   r   r   __classcell__r   r   r   r   r      s    

r   c                 C   sF   t | tjtjjfr| j}nt | tjjr| jj}n| }|j	|j
dS )z
    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.
    )ro   r~   )r<   r   Modelbase	ModelBasern   queryQuerySetrw   ro   r~   )rv   r4   r   r   r   model_format_dict   s   
r   c                 C   sN   t | tjjr|du r|  }| j} t| }|d |d }}t|||p%d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.
    Nro   r~   r   )r<   r   r   r   countrw   r   r   )rv   ndsingularpluralr   r   r   model_ngettext  s   	r   c              	   C   s   |j }zt|| }W nK ttfyU   t| r| }||}n3t|| r1| dkr1t|| }||}n t|| }t|r>| }n|}t|drQt|j| rQt|j| }d }Y nw d }t|| }|||fS )N__str__rw   )rn   _get_non_gfk_fieldr   r"   callabler1   r   rw   )r/   rv   model_adminr4   fattrr@   r   r   r   lookup_field  s*   





r   c                 C   sR   |  |}|jr|jr|jr|jrt |jr'|js't|dr'|j|kr't	 |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`).
    attname)
r0   is_relationmany_to_oner   one_to_manyr   many_to_manyr1   r   r"   )r4   r/   r8   r   r   r   r   :  s&   

r   Fc           	      C   s  d}zt |j| }z|j}W n ty   |jjj}Y nw W n ty   | dkr2t|jj}t}n~t| r9| }nCt|| rDt	|| }n8t|| rOt	|| }n-|r\| |j
v r\|j
|  }n d| |jjf }|rn|d|jj 7 }|rx|d|jj 7 }t|t|dr|j}n+t|trt|drt|jdr|jj}nt|r|jdkrd}n
t|j}nt| }Y n ty   t| }| }Y nw |r||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 %sshort_descriptionfgetz<lambda>z--)r   rn   ro   AttributeErrorr   r   rV   r   r1   r   re   object_namerm   r#   r   r<   propertyr   r
   r"   )	r/   rw   r   return_attrformr   r8   labelmessager   r   r   label_for_fieldW  sh   






r   c              	   C   sB   d}zt |j| }W n ttfy   Y |S w t|dr|j}|S )NrI   	help_text)r   rn   r   r"   r1   r   )r/   rw   r   r8   r   r   r   help_text_for_field  s   
r   c                 C   sZ  ddl m} t|dd r1z
t|j| |W S  ty0   t|j}t| } t|| | Y S w t|t	j
r;|| S | d u rA|S t|t	jrOtt| S t|t	jt	jfr]t| S t|t	jrjt| |jS t|t	jt	jfrxt| S t|t	jr| rtd| j| S t|t	jr| rz
tj| d|jdW S  ty   t| | Y S w t| |S )Nr   _boolean_iconflatchoicesz<a href="{}">{}</a>F)ensure_asciicls),django.contrib.admin.templatetags.admin_listr   r   dictr   r;   	TypeErrorr   r<   r   BooleanFieldDateTimeFieldr   localizer   template_localtime	DateField	TimeFieldDecimalFieldnumber_formatdecimal_placesIntegerField
FloatField	FileFieldr   url	JSONFieldjsondumpsencoderdisplay_for_value)r@   r8   empty_value_displayr   r   r   r   r   display_for_field  s<   



r   c                 C   s   ddl m} |r|| S | d u r|S t| trt| S t| tjr)tt	| S t| tj
tjfr7t| S t| ttjtfrEt| S t| ttfrVddd | D S t| S )Nr   r   z, c                 s   s    | ]}t |V  qd S r*   )rV   rE   r   r   r   r-     s    z$display_for_value.<locals>.<genexpr>)r   r   r<   boolrV   datetimer   r   r   r   datetimeintdecimalDecimalfloatr   r=   rb   join)r@   r   booleanr   r   r   r   r     s    


r   c                   @   s   e Zd ZdS )NotRelationFieldN)r#   r$   r%   r   r   r   r   r     s    r   c                 C   s   t | dr| jd jjS t)Nr(   r)   )r1   r(   r2   rw   r   )r8   r   r   r   get_model_from_relation  s   
r   c              	   C   s   g }| }| t}|D ]B}|j|}t|t|d kr.zt| W n
 ty-   Y  n!w |jr@|jr7|j	r@|
 }|jj}n|jj}|j}|d| q|t|fS )zCreate 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   )r.   r   rn   r0   r   r   r   r   auto_createdconcreterelated_query_nameremote_fieldrw   r8   r/   r   insertr   )rw   r,   reversed_pathparentpiecespiecer8   r   r   r   r   reverse_field_path  s$   

r  c                 C   sD   | t}g }|D ]}|rt|d }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)   )r.   r   r   rd   rn   r0   )rw   r,   r  re   r  r  r   r   r   get_fields_from_path  s   
	r	  c                 C   s:  | j }td t| |}W d   n1 sw   Y  g }|r(|di i n| j r4|dd|ii |rtdY |D ]M}|jD ]}|dt|jjt|di qB|jD ]\}}	|dt|jjt|t|j	d |	di qX|j
D ]}
|dt|
jjt|
di qwq=W d   |S 1 sw   Y  |S )	z
    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.
    Naddedchangedre   )r/   objectr   )r/   r  re   deleted)changed_datatranslation_override#_get_changed_field_labels_from_formrd   new_objectsrV   rn   ro   changed_objectsformsdeleted_objects)r   formsetsrs   r  changed_field_labelschange_messageformsetadded_objectchanged_objectchanged_fieldsdeleted_objectr   r   r   construct_change_message  sZ   	








  r  c              	   C   sL   g }|D ]}z
| j | jp|}W n ty   |}Y nw |t| q|S r*   )re   r   KeyErrorrd   rV   )r   r  r  r7   verbose_field_namer   r   r   r  U  s   r  )rB   r*   )NFN)F)Er   r   r   collectionsr   	functoolsr   operatorr   django.core.exceptionsr   	django.dbr   r   django.db.models.constantsr   django.db.models.deletionr	   django.forms.utilsr
   django.urlsr   r   django.utilsr   r   django.utils.hashabler   django.utils.htmlr   django.utils.regex_helperr   django.utils.textr   django.utils.translationr   r   r  rX   rR   r\   r   r_   	Exceptionr"   r:   rA   rD   rU   r[   ra   rg   rj   r   r   r   r   r   r   r   r   r   r   r   r   r  r	  r  r  r   r   r   r   <module>   s^    

<C


A
%9