from django.contrib.contenttypes import generic
from django.contrib.sites.models import Site
from django.http import HttpResponse, HttpResponseServerError, HttpResponseRedirect
+from django.core.exceptions import ViewDoesNotExist
from django.core.servers.basehttp import FileWrapper
-from django.core.urlresolvers import resolve, clear_url_caches
+from django.core.urlresolvers import resolve, clear_url_caches, reverse, NoReverseMatch
from django.template import add_to_builtins as register_templatetags
from inspect import getargspec
+from philo.exceptions import MIDDLEWARE_NOT_CONFIGURED
from philo.models.base import TreeEntity, Entity, QuerySetMapper, register_value_model
from philo.utils import ContentTypeSubclassLimiter
from philo.validators import RedirectValidator
-from philo.exceptions import ViewDoesNotProvideSubpaths, AncestorDoesNotExist
+from philo.exceptions import ViewCanNotProvideSubpath, ViewDoesNotProvideSubpaths, AncestorDoesNotExist
from philo.signals import view_about_to_render, view_finished_rendering
return self.view.accepts_subpath
return False
- def render_to_response(self, request, path=None, subpath=None, extra_context=None):
- return self.view._render_to_response(self, request, path, subpath, extra_context)
+ def render_to_response(self, request, extra_context=None):
+ return self.view.render_to_response(request, extra_context)
def get_absolute_url(self):
- root = Site.objects.get_current().root_node
try:
- return '/%s' % self.get_path(root=root)
- except AncestorDoesNotExist:
+ root = Site.objects.get_current().root_node
+ except Site.DoesNotExist:
+ root = None
+
+ try:
+ path = self.get_path(root=root)
+ if path:
+ path += '/'
+ root_url = reverse('philo-root')
+ return '%s%s' % (root_url, path)
+ except AncestorDoesNotExist, ViewDoesNotExist:
return None
class Meta:
accepts_subpath = False
def get_subpath(self, obj):
- raise ViewDoesNotProvideSubpaths
+ if not self.accepts_subpath:
+ raise ViewDoesNotProvideSubpaths
+
+ view_name, args, kwargs = self.get_reverse_params(obj)
+ try:
+ return reverse(view_name, args=args, kwargs=kwargs, urlconf=self)
+ except NoReverseMatch:
+ raise ViewCanNotProvideSubpath
+
+ def get_reverse_params(self, obj):
+ """This method should return a view_name, args, kwargs tuple suitable for reversing a url for the given obj using self as the urlconf."""
+ raise NotImplementedError("View subclasses must implement get_reverse_params to support subpaths.")
def attributes_with_node(self, node):
return QuerySetMapper(self.attribute_set, passthrough=node.attributes)
- def relationships_with_node(self, node):
- return QuerySetMapper(self.relationship_set, passthrough=node.relationships)
-
- def _render_to_response(self, node, request, path=None, subpath=None, extra_context=None):
+ def render_to_response(self, request, extra_context=None):
+ if not hasattr(request, 'node'):
+ raise MIDDLEWARE_NOT_CONFIGURED
+
extra_context = extra_context or {}
- view_about_to_render.send(sender=self, node=node, request=request, path=path, subpath=subpath, extra_context=extra_context)
- response = self.render_to_response(node, request, path, subpath, extra_context)
+ view_about_to_render.send(sender=self, request=request, extra_context=extra_context)
+ response = self.actually_render_to_response(request, extra_context)
view_finished_rendering.send(sender=self, response=response)
return response
- def render_to_response(self, node, request, path=None, subpath=None, extra_context=None):
+ def actually_render_to_response(self, request, extra_context=None):
raise NotImplementedError('View subclasses must implement render_to_response.')
class Meta:
class MultiView(View):
accepts_subpath = True
- urlpatterns = []
+ @property
+ def urlpatterns(self, obj):
+ raise NotImplementedError("MultiView subclasses must implement urlpatterns.")
- def render_to_response(self, node, request, path=None, subpath=None, extra_context=None):
+ def actually_render_to_response(self, request, extra_context=None):
clear_url_caches()
+ subpath = request.node.subpath
if not subpath:
subpath = ""
subpath = "/" + subpath
if 'extra_context' in kwargs:
extra_context.update(kwargs['extra_context'])
kwargs['extra_context'] = extra_context
- if 'node' in view_args[0] or view_args[2] is not None:
- kwargs['node'] = node
return view(request, *args, **kwargs)
+ def reverse(self, view_name, args=None, kwargs=None, node=None):
+ """Shortcut method to handle the common pattern of getting the absolute url for a multiview's
+ subpaths."""
+ subpath = reverse(view_name, urlconf=self, args=args or [], kwargs=kwargs or {})
+ if node is not None:
+ return '/%s/%s/' % (node.get_absolute_url().strip('/'), subpath.strip('/'))
+ return subpath
+
class Meta:
abstract = True
target = models.CharField(max_length=200, validators=[RedirectValidator()])
status_code = models.IntegerField(choices=STATUS_CODES, default=302, verbose_name='redirect type')
- def render_to_response(self, node, request, path=None, subpath=None, extra_context=None):
+ def actually_render_to_response(self, request, extra_context=None):
response = HttpResponseRedirect(self.target)
response.status_code = self.status_code
return response
app_label = 'philo'
+# Why does this exist?
class File(View):
""" For storing arbitrary files """
mimetype = models.CharField(max_length=255)
file = models.FileField(upload_to='philo/files/%Y/%m/%d')
- def render_to_response(self, node, request, path=None, subpath=None, extra_context=None):
+ def actually_render_to_response(self, request, extra_context=None):
wrapper = FileWrapper(self.file)
response = HttpResponse(wrapper, content_type=self.mimetype)
response['Content-Length'] = self.file.size