U
    7h
                     @   sF   d dl mZmZ d dlmZ d dlmZ d dlmZ G dd dZ	dS )    )ImproperlyConfiguredSuspiciousFileOperation)get_app_template_dirs)	safe_join)cached_propertyc                   @   sD   e Zd Zdd Zedd Zdd Zdd Zed	d
 Z	dd Z
dS )
BaseEnginec                 C   sL   |  }|d| _t|d| _|d| _|rHtdd|dS )zh
        Initialize the template engine.

        `params` is a dict of configuration settings.
        NAMEZDIRSZAPP_DIRSzUnknown parameters: {}z, N)	copypopnamelistdirsapp_dirsr   formatjoin)selfparams r   W/var/www/formularioweb/env/lib/python3.8/site-packages/django/template/backends/base.py__init__   s    zBaseEngine.__init__c                 C   s   t d| jjd S )NzA{} doesn't support loading templates from installed applications.)r   r   	__class____name__)r   r   r   r   app_dirname   s
    zBaseEngine.app_dirnamec                 C   s   t ddS )zk
        Create and return a template for the given source code.

        This method is optional.
        z>subclasses of BaseEngine should provide a from_string() methodNNotImplementedError)r   Ztemplate_coder   r   r   from_string!   s    zBaseEngine.from_stringc                 C   s   t ddS )z
        Load and return a template for the given name.

        Raise TemplateDoesNotExist if no such template exists.
        z=subclasses of BaseEngine must provide a get_template() methodNr   )r   template_namer   r   r   get_template+   s    zBaseEngine.get_templatec                 C   s"   t | j}| jr|t| j7 }|S )zG
        Return a list of directories to search for templates.
        )tupler   r   r   r   )r   template_dirsr   r   r   r   8   s    
zBaseEngine.template_dirsc              	   c   s6   | j D ]*}zt||V  W q tk
r.   Y qX qdS )z
        Iterate over candidate files for template_name.

        Ignore files that don't lie inside configured template dirs to avoid
        directory traversal attacks.
        N)r   r   r   )r   r   Ztemplate_dirr   r   r   iter_template_filenamesC   s
    
z"BaseEngine.iter_template_filenamesN)r   
__module____qualname__r   propertyr   r   r   r   r   r    r   r   r   r   r      s   



r   N)
Zdjango.core.exceptionsr   r   Zdjango.template.utilsr   Zdjango.utils._osr   Zdjango.utils.functionalr   r   r   r   r   r   <module>   s   