U
    e;$                     @   s   d dl Z d dlmZmZ d dlmZ 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lmZ d dlmZ e d	ZG d
d dZG dd dZG dd dZG dd deeeZG dd deZdS )    N)iscoroutinefunctionmarkcoroutinefunction)ImproperlyConfigured)HttpResponseHttpResponseGoneHttpResponseNotAllowedHttpResponsePermanentRedirectHttpResponseRedirect)TemplateResponse)reverse)classonlymethod)classpropertyzdjango.requestc                   @   s   e Zd ZdZdZdd ZdS )ContextMixinz
    A default context mixin that passes the keyword arguments received by
    get_context_data() as the template context.
    Nc                 K   s&   | d|  | jd k	r"|| j |S )Nview)
setdefaultextra_contextupdate)selfkwargs r   =/tmp/pip-unpacked-wheel-lctamlir/django/views/generic/base.pyget_context_data   s    
zContextMixin.get_context_data)__name__
__module____qualname____doc__r   r   r   r   r   r   r      s   r   c                   @   sl   e Zd ZdZdddddddd	gZd
d Zedd Zedd Z	dd Z
dd Zdd Zdd Zdd ZdS )Viewz}
    Intentionally simple parent class for all views. Only implements
    dispatch-by-method and simple sanity checking.
    getpostputpatchdeleteheadoptionstracec                 K   s"   |  D ]\}}t| || qdS )z|
        Constructor. Called in the URLconf; can contain helpful extra
        keyword arguments, and other things.
        N)itemssetattr)r   r   keyvaluer   r   r   __init__5   s    zView.__init__c                    sZ    fdd j D }|sdS t|d tfdd|dd  D sVt j dS )	Nc                    s(   g | ] }|d krt  |rt |qS )r#   )hasattrgetattr).0method)clsr   r   
<listcomp>A   s    
z&View.view_is_async.<locals>.<listcomp>Fr   c                 3   s   | ]}t | kV  qd S N)r   )r,   h)is_asyncr   r   	<genexpr>I   s     z%View.view_is_async.<locals>.<genexpr>   z4 HTTP handlers must either be all sync or all async.)http_method_namesr   allr   r   )r.   handlersr   )r.   r2   r   view_is_async?   s    

zView.view_is_asyncc                    s   D ]<}| j kr$td| jf t |std j|f q fdd} |_|_ j|_ j|_ jj	|_	|j
 jj
  jrt| |S )z0Main entry point for a request-response process.zAThe method name %s is not accepted as a keyword argument to %s().zm%s() received an invalid keyword %r. as_view only accepts arguments that are already attributes of the class.c                    sF    f }|j | f|| t|ds4td j |j| f||S )Nrequestz\%s instance has no 'request' attribute. Did you override setup() and forget to call super()?)setupr*   AttributeErrorr   dispatch)r9   argsr   r   r.   
initkwargsr   r   r   `   s    

zView.as_view.<locals>.view)r5   	TypeErrorr   r*   Z
view_classZview_initkwargsr   r   r<   __annotations____dict__r   r8   r   )r.   r?   r'   r   r   r>   r   as_viewP   s.    



zView.as_viewc                 O   s2   t | drt | ds| j| _|| _|| _|| _dS )z1Initialize attributes shared by all view methods.r   r"   N)r*   r   r"   r9   r=   r   r   r9   r=   r   r   r   r   r:   }   s
    z
View.setupc                 O   s<   |j  | jkr&t| |j  | j}n| j}||f||S r0   )r-   lowerr5   r+   http_method_not_allowed)r   r9   r=   r   handlerr   r   r   r<      s      zView.dispatchc                    sH   t jd|j|jd|dd t|   | jr@ fdd}| S  S d S )NzMethod Not Allowed (%s): %si  status_coder9   extrac                      s    S r0   r   r   responser   r   func   s    z*View.http_method_not_allowed.<locals>.func)loggerwarningr-   pathr   _allowed_methodsr8   r   r9   r=   r   rN   r   rL   r   rF      s    zView.http_method_not_allowedc                    sD   t   d|   jd< d jd< | jr< fdd}| S  S dS )z8Handle responding to requests for the OPTIONS HTTP verb.z, ZAllow0zContent-Lengthc                      s    S r0   r   r   rL   r   r   rN      s    zView.options.<locals>.funcN)r   joinrR   headersr8   rS   r   rL   r   r#      s    
zView.optionsc                    s    fdd j D S )Nc                    s   g | ]}t  |r| qS r   )r*   upper)r,   mr   r   r   r/      s     
 z)View._allowed_methods.<locals>.<listcomp>)r5   rY   r   rY   r   rR      s    zView._allowed_methodsN)r   r   r   r   r5   r)   r   r8   r   rC   r:   r<   rF   r#   rR   r   r   r   r   r   $   s(   


,r   c                   @   s0   e Zd ZdZdZdZeZdZdd Z	dd Z
dS )TemplateResponseMixinz.A mixin that can be used to render a template.Nc                 K   s0   | d| j | jf | j|  || jd|S )z
        Return a response, using the `response_class` for this view, with a
        template rendered with the given context.

        Pass response_kwargs to the constructor of the response class.
        content_type)r9   templatecontextZusing)r   r[   response_classr9   get_template_namestemplate_engine)r   r]   Zresponse_kwargsr   r   r   render_to_response   s    z(TemplateResponseMixin.render_to_responsec                 C   s    | j dkrtdn| j gS dS )z
        Return a list of template names to be used for the request. Must return
        a list. May not be called if render_to_response() is overridden.
        NztTemplateResponseMixin requires either a definition of 'template_name' or an implementation of 'get_template_names()')template_namer   rY   r   r   r   r_      s
    
z(TemplateResponseMixin.get_template_names)r   r   r   r   rb   r`   r
   r^   r[   ra   r_   r   r   r   r   rZ      s   rZ   c                   @   s   e Zd ZdZdd ZdS )TemplateViewzT
    Render a template. Pass keyword arguments from the URLconf to the context.
    c                 O   s   | j f |}| |S r0   )r   ra   )r   r9   r=   r   r]   r   r   r   r      s    zTemplateView.getN)r   r   r   r   r   r   r   r   r   rc      s   rc   c                   @   s`   e Zd ZdZdZdZdZdZdd Zdd Z	dd	 Z
d
d Zdd Zdd Zdd Zdd ZdS )RedirectViewz&Provide a redirect on any GET request.FNc                 O   sX   | j r| j | }n| jr*t| j||d}ndS | jjdd}|rT| jrTd||f }|S )z
        Return the URL redirect to. Keyword arguments from the URL pattern
        match generating the redirect request are provided as kwargs to this
        method.
        )r=   r   NQUERY_STRING z%s?%s)urlpattern_namer   r9   ZMETAr   query_string)r   r=   r   rg   r   r   r   get_redirect_url   s    
zRedirectView.get_redirect_urlc                 O   sJ   | j ||}|r(| jrt|S t|S ntjd|jd|dd t S d S )NzGone: %si  rH   rJ   )rj   	permanentr   r	   rO   rP   rQ   r   )r   r9   r=   r   rg   r   r   r   r      s    
  zRedirectView.getc                 O   s   | j |f||S r0   r   rD   r   r   r   r"     s    zRedirectView.headc                 O   s   | j |f||S r0   rl   rD   r   r   r   r     s    zRedirectView.postc                 O   s   | j |f||S r0   rl   rD   r   r   r   r#     s    zRedirectView.optionsc                 O   s   | j |f||S r0   rl   rD   r   r   r   r!     s    zRedirectView.deletec                 O   s   | j |f||S r0   rl   rD   r   r   r   r     s    zRedirectView.putc                 O   s   | j |f||S r0   rl   rD   r   r   r   r      s    zRedirectView.patch)r   r   r   r   rk   rg   rh   ri   rj   r   r"   r   r#   r!   r   r    r   r   r   r   rd      s   rd   )loggingZasgiref.syncr   r   Zdjango.core.exceptionsr   Zdjango.httpr   r   r   r   r	   Zdjango.template.responser
   Zdjango.urlsr   Zdjango.utils.decoratorsr   Zdjango.utils.functionalr   	getLoggerrO   r   r   rZ   rc   rd   r   r   r   r   <module>   s   
 &
