o
    ˷eN                     @   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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 dD Z dd e ! D Z"edd#dd e"D  Z$G dd de%Z&dd Z'dGddZ(dd Z)d d! Z*d"d# Z+d$d% Z,d&d' Z-G d(d) d)eZ.d*d+ Z/dHd,d-Z0dHd.d/Z1d0d1 Z2dId3d4Z3d5d6 Z4d7d8 Z5dJd9d:Z6G d;d< d<e%Z7d=d> Z8d?d@ Z9dAdB Z:dCdD Z;dEdF Z<dS )K    N)defaultdict)FieldDoesNotExist)modelsrouter)
LOOKUP_SEP)	Collector)pretty_name)NoReverseMatchreverse)formatstimezone)format_html)_lazy_re_compile)capfirst)ngettext)overridec                 C   s   i | ]}|d | qS )z_%02X ).0ir   r   Q/var/www/ideatree/venv/lib/python3.10/site-packages/django/contrib/admin/utils.py
<dictcomp>   s    r   s   ":/_#?;@&=+$,"[]<>%
\c                 C   s   i | ]	\}}|t |qS r   )chr)r   kvr   r   r   r      s    z_(?:%s)|c                 C   s   g | ]}|d d qS )   Nr   )r   xr   r   r   
<listcomp>   s    r   c                   @   s   e Zd ZdZdS )FieldIsAForeignKeyColumnNamez/A field is a foreign key attname, i.e. <FK>_id.N)__name__
__module____qualname____doc__r   r   r   r   r      s    r   c              	   C   s|   | t}|D ]4}|dkr| jj}z| |}W n	 ty!   Y qw t|dr;|j}|d j} t	dd |D r; dS qdS )zA
    Return True if the given lookup path spawns duplicates.
    pk
path_infosc                 s   s    | ]}|j V  qd S N)m2m)r   pathr   r   r   	<genexpr>1   s    z+lookup_spawns_duplicates.<locals>.<genexpr>TF)
splitr   r#   name	get_fieldr   hasattrr$   to_optsany)optslookup_pathlookup_fields
field_namefield	path_infor   r   r   lookup_spawns_duplicates   s    


r6   ,c                 C   s2   |  dr||}|S |  dr| dv}|S )zJ
    Return a lookup value prepared to be used in queryset filtering.
    __in__isnull) false0)endswithr*   lower)keyvalue	separatorr   r   r   prepare_lookup_value8   s   


rB   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.
    )
isinstancestr	translate	QUOTE_MAPsr   r   r   quoteE   s   rI   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>Q   s    zunquote.<locals>.<lambda>)
UNQUOTE_REsubrG   r   r   r   unquoteO   s   rO   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.
    )rC   listtupleextendappend)fieldsflatr4   r   r   r   flattenT   s   rV   c                 C   s(   g }| D ]\}}| t|d  q|S )z?Return a list of field names from an admin fieldsets structure.rT   )rR   rV   )	fieldsetsfield_namesr+   r0   r   r   r   flatten_fieldsetsa   s   rY   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v }| j}dt|j| f }|rO j| | s%|j ztd j|j	|j
f d t| jf}W n tyD   | Y S w tdt|j|| S |S )Nz%s: %sz%s:%s_%s_changez{}: <a href="{}">{}</a>)	__class__	_registry_metar   verbose_namehas_delete_permissionaddr
   r+   	app_label
model_namerI   r#   r	   r   )objmodel	has_adminr0   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   rd   )rl   r   r   r      s    z'get_deleted_objects.<locals>.<listcomp>c                 S   s   i | ]\}}|j jt|qS r   )r^   verbose_name_plurallen)r   re   objsr   r   r   r      s    z'get_deleted_objects.<locals>.<dictcomp>)
IndexErrorsetr   db_for_writer^   re   NestedObjectscollectnested	protected
model_objsitems)	ro   rk   ri   rd   rZ   	collector	to_deleterv   model_countr   )ri   rl   rj   rk   r   get_deleted_objectsi   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 )rs   c                    s.   t  j|i | i | _t | _tt| _d S r&   )super__init__edgesrq   rv   r   rw   selfargskwargsr\   r   r   r~      s   zNestedObjects.__init__c                 C   s   | j |g | d S r&   )r   
setdefaultrS   )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+)classrb   source_attr)r=   r^   rc   rb   r   getattrrw   re   ra   r}   rt   r   ProtectedErrorrv   updateprotected_objectsRestrictedErrorrestricted_objects)r   ro   r   r   r   rd   related_nameer   r   r   rt      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_fieldsro   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   )ra   r   getrR   _nestedrS   )r   rd   seenrl   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   )rq   r   r   rR   r   )r   rl   r   rootsrootr   r   r   ru      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   rt   r   r   ru   r   __classcell__r   r   r   r   rs      s    

rs   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.
    )r_   rm   )rC   r   Modelbase	ModelBaser^   queryQuerySetre   r_   rm   )rd   r0   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.
    Nr_   rm   r   )rC   r   r   r   countre   r   r   )rd   ndsingularpluralr   r   r   model_ngettext   s   	r   c              	   C   s   |j }zt|| }W n: ttfyD   t| r| }||}n"t|| r1| dkr1t|| }||}nt|| }t|r>| }n|}d }Y nw d }t|| }|||fS )N__str__)r^   _get_non_gfk_fieldr   r   callabler-   r   )r+   rd   model_adminr0   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)
r,   is_relationmany_to_oner   one_to_manyr   many_to_manyr-   r   r   )r0   r+   r4   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   r^   r_   AttributeErrorr   r   rD   r   r-   r   rT   object_namer\   r   r   rC   propertyr   r   r   )	r+   re   r   return_attrformr   r4   labelmessager   r   r   label_for_fieldC  sh   






r   c              	   C   sB   d}zt |j| }W n ttfy   Y |S w t|dr|j}|S )Nr:   	help_text)r   r^   r   r   r-   r   )r+   re   r   r4   r   r   r   help_text_for_field  s   
r   c                 C   s"  ddl m} t|dd rt|j| |S t|tjr|| S | d u r%|S t|tj	r3t
t| S t|tjtjfrAt
| S t|tjrNt
| |jS t|tjtjfr\t
| S t|tjrk| rkt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   rC   r   BooleanFieldDateTimeFieldr   localizer   template_localtime	DateField	TimeFieldDecimalFieldnumber_formatdecimal_placesIntegerField
FloatField	FileFieldr   url	JSONFieldjsondumpsencoder	TypeErrordisplay_for_value)r@   r4   empty_value_displayr   r   r   r   display_for_field  s0   


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&   )rD   )r   r   r   r   r   r)     s    z$display_for_value.<locals>.<genexpr>)r   r   rC   boolrD   datetimer   r   r   r   datetimeintdecimalDecimalfloatr   rP   rQ   join)r@   r   booleanr   r   r   r   r     s    


r   c                   @   s   e Zd ZdS )NotRelationFieldN)r   r    r!   r   r   r   r   r     s    r   c                 C   s   t | dr| jd jjS t)Nr$   r%   )r-   r$   r.   re   r   )r4   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   r^   r,   rn   r   r   r   auto_createdconcreterelated_query_nameremote_fieldre   r4   r+   r   insertr   )re   r(   reversed_pathparentpiecespiecer4   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   rS   r^   r,   )re   r(   r   rT   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changedrT   )r+   objectr   )r+   r   rT   deleted)changed_datatranslation_override#_get_changed_field_labels_from_formrS   new_objectsrD   r^   r_   changed_objectsformsdeleted_objects)r   formsetsra   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&   )rT   r   KeyErrorrS   rD   )r   r   r  r3   verbose_field_namer   r   r   r  :  s   r  )r7   r&   )NFN)F)=r   r   r   collectionsr   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.htmlr   django.utils.regex_helperr   django.utils.textr   django.utils.translationr   r   r   rF   rx   rJ   r   rM   	Exceptionr   r6   rB   rI   rO   rV   rY   r|   rs   r   r   r   r   r   r   r   r   r   r   r   r   r  r  r   r   r   r   <module>   sT    

;C


A
9