3
Ah`                 @   sT   d dl mZmZmZmZmZ d dlmZ d dlm	Z	 dd Z
dddZdd
dZdS )    )URLResolverincludepathre_pathregister_converter)RoutePattern)api_settingsc                sj   |r2t |dkr|d }nddj| }d|  nd G  fddd}d	}|rb|d
d
j| 7 }||fS )N   r   z(?:%s)|z\.%s/?z\.[a-z0-9]+/?c                   s    e Zd Z Zdd Zdd ZdS )z9_get_format_path_converter.<locals>.FormatSuffixConverterc             S   s
   |j dS )Nz./)strip)selfvalue r   I/tmp/pip-build-9m32_hle/djangorestframework/rest_framework/urlpatterns.py	to_python   s    zC_get_format_path_converter.<locals>.FormatSuffixConverter.to_pythonc             S   s   d| d S )N./r   )r   r   r   r   r   to_url   s    z@_get_format_path_converter.<locals>.FormatSuffixConverter.to_urlN)__name__
__module____qualname__regexr   r   r   )suffix_patternr   r   FormatSuffixConverter   s   r   Zdrf_format_suffix_)lenjoin)suffix_kwargallowedallowed_patternr   converter_namer   )r   r   _get_format_path_converter   s    

	r!   Nc             C   sP  g }xD| D ]:}t |tr|jjj}|j}|j}|j}	t|j|||}
t |jt	rt
d k	s`tt|j}t
|t|
|f||	}nt|t|
|f||	}|j| q|jjjjdjd| }|j}|j}	|j}|s|j| t |jt	r0t
d k	st|d k	stt|jjdjd| }t
|||	|}nt|||	|}|j| qW |S )N$r   )
isinstancer   patternr   	namespaceapp_nameZdefault_kwargsapply_suffix_patternsZurl_patternsr   r   AssertionErrorstrr   r   appendrstripcallbackZdefault_argsname)urlpatternsr   suffix_requiredsuffix_routeretZ
urlpatternr   r%   r&   kwargspatternsZrouteZnew_patternviewr-   r   r   r   r'   !   s>    



r'   Fc       	      C   sv   t j}|r<t|dkr |d }nddj| }d||f }nd| }t||\}}t|| d||f }t| |||S )a  
    Supplement existing urlpatterns with corresponding patterns that also
    include a '.format' suffix.  Retains urlpattern ordering.

    urlpatterns:
        A list of URL patterns.

    suffix_required:
        If `True`, only suffixed URLs will be generated, and non-suffixed
        URLs will not be used.  Defaults to `False`.

    allowed:
        An optional tuple/list of allowed suffixes.  eg ['json', 'api']
        Defaults to `None`, which allows any suffix.
    r	   r   z(%s)r
   z\.(?P<%s>%s)/?$z\.(?P<%s>[a-z0-9]+)/?$z<%s:%s>)r   ZFORMAT_SUFFIX_KWARGr   r   r!   r   r'   )	r.   r/   r   r   r   r   r    Zsuffix_converterr0   r   r   r   format_suffix_patternsQ   s    

r5   )N)FN)Zdjango.urlsr   r   r   r   r   Zdjango.urls.resolversr   Zrest_framework.settingsr   r!   r'   r5   r   r   r   r   <module>   s
   
0