o
    {,h                     @   s   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
 d dlmZ d dlmZ G d	d
 d
e
ZG dd dZe jdd ZdS )    N)Counter)Path)apps)settings)ImproperlyConfigured)cached_property)import_stringc                   @   s   e Zd ZdS )InvalidTemplateEngineErrorN)__name__
__module____qualname__ r   r   K/var/www/html/rh/venv/lib/python3.10/site-packages/django/template/utils.pyr	      s    r	   c                   @   s:   e Zd ZdddZedd Zdd Zdd	 Zd
d ZdS )EngineHandlerNc                 C   s   || _ i | _dS )z|
        templates is an optional list of template engine definitions
        (structured like settings.TEMPLATES).
        N)
_templates_engines)self	templatesr   r   r   __init__   s   
zEngineHandler.__init__c              	   C   s   | j d u r	tj| _ i }g }| j D ]9}z|d ddd }W n ty2   |dd}td|w |g di d|}|||d	 < ||d	  qt	|}d
d |
 D }|rctdd||S )NBACKEND.   z<not defined>zHInvalid BACKEND for a template engine: {}. Check your TEMPLATES setting.F)NAMEDIRSAPP_DIRSOPTIONSr   c                 S   s   g | ]
\}}|d kr|qS )   r   ).0aliascountr   r   r   
<listcomp>8   s    z+EngineHandler.templates.<locals>.<listcomp>zoTemplate engine aliases aren't unique, duplicates: {}. Set a unique NAME for each engine in settings.TEMPLATES.z, )r   r   	TEMPLATESrsplit	Exceptiongetr   formatappendr   most_commonjoin)r   r   backend_namestpldefault_nameinvalid_backendcounts
duplicatesr   r   r   r      sB   

zEngineHandler.templatesc                 C   s|   z| j | W S  ty=   z| j| }W n ty"   td|w | }|d}t|}||}|| j |< | Y S w )Nz4Could not find config for '{}' in settings.TEMPLATESr   )r   KeyErrorr   r	   r&   copypopr   )r   r   paramsbackend
engine_clsenginer   r   r   __getitem__C   s$   	

zEngineHandler.__getitem__c                 C   s
   t | jS N)iterr   r   r   r   r   __iter__Z   s   
zEngineHandler.__iter__c                    s    fdd D S )Nc                    s   g | ]} | qS r   r   )r   r   r:   r   r   r!   ^   s    z%EngineHandler.all.<locals>.<listcomp>r   r:   r   r:   r   all]   s   zEngineHandler.allr8   )	r
   r   r   r   r   r   r7   r;   r<   r   r   r   r   r      s    

)r   c                    s   t  fddt D S )z
    Return an iterable of paths of directories to load app templates from.

    dirname is the name of the subdirectory containing templates inside
    installed applications.
    c                 3   s0    | ]}|j rt|j     rV  qd S r8   )pathr   is_dir)r   
app_configdirnamer=   r   r   	<genexpr>j   s    
z(get_app_template_dirs.<locals>.<genexpr>)tupler   get_app_configs)rA   r   r@   r   get_app_template_dirsa   s   	rE   )	functoolscollectionsr   pathlibr   django.appsr   django.confr   django.core.exceptionsr   django.utils.functionalr   django.utils.module_loadingr   r	   r   	lru_cacherE   r   r   r   r   <module>   s    Q