3 v^k@sddlmZddlmZddlmZddlmZddl m Z m Z m Z Gddde Z Gdd d e e ZGd d d e ZGd d d eeZdS))ImproperlyConfigured)models)Http404)gettext) ContextMixinTemplateResponseMixinViewcs^eZdZdZdZdZdZdZdZdZ dZ dddZ dd Z d d Z d d ZfddZZS)SingleObjectMixinzS Provide the ability to retrieve a single object for further manipulation. NslugpkFc Cs|dkr|j}|jj|j}|jj|j}|dk r@|j|d}|dk rn|dksV|jrn|j}|jf||i}|dkr|dkrtd|j j y |j}Wn2|j j k rt tdd|j jjiYnX|S)z Return the object the view is displaying. Require `self.queryset` and a `pk` or `slug` argument in the URLconf. Subclasses can override this to return any object. N)r zXGeneric detail view %s must be called with either an object pk or a slug in the URLconf.z,No %(verbose_name)s found matching the query verbose_name) get_querysetkwargsget pk_url_kwargslug_url_kwargfilterquery_pk_and_slugget_slug_fieldAttributeError __class____name__model DoesNotExistr__metar )selfquerysetr r slug_fieldobjr ?/usr/lib/python3.6/site-packages/django/views/generic/detail.py get_objects&    zSingleObjectMixin.get_objectcCs:|jdkr0|jr|jjjStdd|jji|jjS)z Return the `QuerySet` that will be used to look up the object. This method is called by the default implementation of get_object() and may not be called if get_object() is overridden. Nzj%(cls)s is missing a QuerySet. Define %(cls)s.model, %(cls)s.queryset, or override %(cls)s.get_queryset().cls)rr_default_managerallrrr)rr r r!r :s  zSingleObjectMixin.get_querysetcCs|jS)z;Get the name of a slug field to be used to look up by slug.)r)rr r r!rNsz SingleObjectMixin.get_slug_fieldcCs(|jr |jSt|tjr |jjSdSdS)z#Get the name to use for the object.N)context_object_name isinstancerModelr model_name)rrr r r!get_context_object_nameRs  z)SingleObjectMixin.get_context_object_namec sFi}|jr.|j|d<|j|j}|r.|j||<|j|tjf|S)z/Insert the single object into the context dict.object)r+r*updatesuperget_context_data)rrcontextr&)rr r!r.[s    z"SingleObjectMixin.get_context_data)N)r __module__ __qualname____doc__rrrr&rrrr"r rr*r. __classcell__r r )rr!r s & r c@seZdZdZddZdS)BaseDetailViewz+A base view for displaying a single object.cOs"|j|_|j|jd}|j|S)N)r+)r"r+r.render_to_response)rrequestargsrr/r r r!ris zBaseDetailView.getN)rr0r1r2rr r r r!r4gsr4cs$eZdZdZdZfddZZS)!SingleObjectTemplateResponseMixinN_detailc sytj}Wntk rg}|jrN|jrNt|j|jd}|rN|jd|t|jtj r|jj }|j d|j |j |jfn@t|dddk rt|jtj r|j d|jj j |jj j |jf|sƂYnX|S)a Return a list of template names to be used for the request. May not be called if render_to_response() is overridden. Return the following list: * the value of ``template_name`` on the view (if provided) * the contents of the ``template_name_field`` field on the object instance that the view is operating upon (if available) * ``/.html`` Nrz %s/%s%s.htmlr)r-get_template_namesrr+template_name_fieldgetattrinsertr'rr(rappend app_labelr)template_name_suffix issubclassr)rnamesnameZ object_meta)rr r!r:ss,    z4SingleObjectTemplateResponseMixin.get_template_names)rr0r1r;r@r:r3r r )rr!r8osr8c@seZdZdZdS) DetailViewz Render a "detail" view of an object. By default this is a model instance looked up from `self.queryset`, but the view will support display of *any* object by overriding `self.get_object()`. N)rr0r1r2r r r r!rDsrDN)django.core.exceptionsr django.dbr django.httprdjango.utils.translationrrdjango.views.generic.baserrrr r4r8rDr r r r!s    _5