146 lines
5.2 KiB
Python
Executable file
146 lines
5.2 KiB
Python
Executable file
from django.shortcuts import get_object_or_404
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from django.core.exceptions import ObjectDoesNotExist
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from django.template import RequestContext
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from django.http import HttpResponse, Http404
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from django.template.loader import select_template
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from django.utils.translation import ugettext_lazy as _
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try:
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from django.views.generic import DetailView, ListView
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except ImportError:
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try:
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from cbv import DetailView, ListView
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except ImportError:
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from django.core.exceptions import ImproperlyConfigured
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raise ImproperlyConfigured("For older versions of Django, you need django-cbv.")
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from .models import Category
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def category_detail(request, path, template_name='categories/category_detail.html', extra_context={}):
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path_items = path.strip('/').split('/')
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if len(path_items) >= 2:
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category = get_object_or_404(
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Category,
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slug__iexact=path_items[-1],
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level=len(path_items) - 1,
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parent__slug__iexact=path_items[-2])
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else:
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category = get_object_or_404(
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Category,
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slug__iexact=path_items[-1],
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level=len(path_items) - 1)
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templates = []
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while path_items:
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templates.append('categories/%s.html' % '_'.join(path_items))
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path_items.pop()
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templates.append(template_name)
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context = RequestContext(request)
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context.update({'category': category})
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if extra_context:
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context.update(extra_context)
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return HttpResponse(select_template(templates).render(context))
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def get_category_for_path(path, queryset=Category.objects.all()):
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path_items = path.strip('/').split('/')
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if len(path_items) >= 2:
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queryset = queryset.filter(
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slug__iexact=path_items[-1],
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level=len(path_items) - 1,
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parent__slug__iexact=path_items[-2])
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else:
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queryset = queryset.filter(
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slug__iexact=path_items[-1],
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level=len(path_items) - 1)
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return queryset.get()
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class CategoryDetailView(DetailView):
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model = Category
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path_field = 'path'
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def get_object(self, **kwargs):
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if self.path_field not in self.kwargs:
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raise AttributeError("Category detail view %s must be called with "
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"a %s." % self.__class__.__name__, self.path_field)
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if self.queryset is None:
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queryset = self.get_queryset()
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try:
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return get_category_for_path(self.kwargs[self.path_field], self.model.objects.all())
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except ObjectDoesNotExist:
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raise Http404(_("No %(verbose_name)s found matching the query") %
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{'verbose_name': queryset.model._meta.verbose_name})
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def get_template_names(self):
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names = []
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path_items = self.kwargs[self.path_field].strip('/').split('/')
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while path_items:
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names.append('categories/%s.html' % '_'.join(path_items))
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path_items.pop()
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names.extend(super(CategoryDetailView, self).get_template_names())
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return names
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class CategoryRelatedDetail(DetailView):
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path_field = 'category_path'
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object_name_field = None
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def get_object(self, **kwargs):
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queryset = super(CategoryRelatedDetail, self).get_queryset()
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category = get_category_for_path(self.kwargs[self.path_field])
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return queryset.get(category=category, slug=self.kwargs[self.slug_field])
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def get_template_names(self):
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names = []
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opts = self.object._meta
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path_items = self.kwargs[self.path_field].strip('/').split('/')
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if self.object_name_field:
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path_items.append(getattr(self.object, self.object_name_field))
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while path_items:
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names.append('%s/category_%s_%s%s.html' % (
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opts.app_label,
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'_'.join(path_items),
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opts.object_name.lower(),
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self.template_name_suffix)
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)
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path_items.pop()
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names.append('%s/category_%s%s.html' % (
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opts.app_label,
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opts.object_name.lower(),
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self.template_name_suffix)
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)
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names.extend(super(CategoryRelatedDetail, self).get_template_names())
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return names
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class CategoryRelatedList(ListView):
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path_field = 'category_path'
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def get_queryset(self):
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queryset = super(CategoryRelatedList, self).get_queryset()
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category = get_category_for_path(self.kwargs['category_path'])
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return queryset.filter(category=category)
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def get_template_names(self):
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names = []
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if hasattr(self.object_list, 'model'):
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opts = self.object_list.model._meta
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path_items = self.kwargs[self.path_field].strip('/').split('/')
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while path_items:
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names.append('%s/category_%s_%s%s.html' % (
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opts.app_label,
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'_'.join(path_items),
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opts.object_name.lower(),
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self.template_name_suffix)
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)
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path_items.pop()
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names.append('%s/category_%s%s.html' % (
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opts.app_label,
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opts.object_name.lower(),
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self.template_name_suffix)
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)
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names.extend(super(CategoryRelatedList, self).get_template_names())
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return names
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