Removes leftover references to relationships in nodeview error handling and in TreeEntity
[philo.git] / models / nodes.py
index 2bda588..b16521b 100644 (file)
@@ -3,10 +3,12 @@ from django.contrib.contenttypes.models import ContentType
 from django.contrib.contenttypes import generic
 from django.contrib.sites.models import Site
 from django.http import HttpResponse, HttpResponseServerError, HttpResponseRedirect
 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.servers.basehttp import FileWrapper
-from django.core.urlresolvers import resolve, clear_url_caches
+from django.core.urlresolvers import resolve, clear_url_caches, reverse
 from django.template import add_to_builtins as register_templatetags
 from inspect import getargspec
 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.models.base import TreeEntity, Entity, QuerySetMapper, register_value_model
 from philo.utils import ContentTypeSubclassLimiter
 from philo.validators import RedirectValidator
@@ -28,14 +30,22 @@ class Node(TreeEntity):
                        return self.view.accepts_subpath
                return False
        
                        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):
        
        def get_absolute_url(self):
-               root = Site.objects.get_current().root_node
                try:
                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:
                        return None
        
        class Meta:
@@ -57,14 +67,17 @@ class View(Entity):
        def attributes_with_node(self, node):
                return QuerySetMapper(self.attribute_set, passthrough=node.attributes)
        
        def attributes_with_node(self, node):
                return QuerySetMapper(self.attribute_set, passthrough=node.attributes)
        
-       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 {}
                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.actually_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
        
                view_finished_rendering.send(sender=self, response=response)
                return response
        
-       def actually_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:
                raise NotImplementedError('View subclasses must implement render_to_response.')
        
        class Meta:
@@ -77,10 +90,17 @@ _view_content_type_limiter.cls = View
 class MultiView(View):
        accepts_subpath = True
        
 class MultiView(View):
        accepts_subpath = True
        
-       urlpatterns = []
+       @property
+       def urlpatterns(self, obj):
+               raise NotImplementedError("MultiView subclasses must implement urlpatterns.")
+       
+       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("MultiView subclasses must implement get_subpath.")
        
        
-       def actually_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()
                clear_url_caches()
+               subpath = request.node.subpath
                if not subpath:
                        subpath = ""
                subpath = "/" + subpath
                if not subpath:
                        subpath = ""
                subpath = "/" + subpath
@@ -90,8 +110,6 @@ class MultiView(View):
                        if 'extra_context' in kwargs:
                                extra_context.update(kwargs['extra_context'])
                        kwargs['extra_context'] = extra_context
                        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)
        
        class Meta:
                return view(request, *args, **kwargs)
        
        class Meta:
@@ -106,7 +124,7 @@ class Redirect(View):
        target = models.CharField(max_length=200, validators=[RedirectValidator()])
        status_code = models.IntegerField(choices=STATUS_CODES, default=302, verbose_name='redirect type')
        
        target = models.CharField(max_length=200, validators=[RedirectValidator()])
        status_code = models.IntegerField(choices=STATUS_CODES, default=302, verbose_name='redirect type')
        
-       def actually_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
                response = HttpResponseRedirect(self.target)
                response.status_code = self.status_code
                return response
@@ -115,13 +133,14 @@ class Redirect(View):
                app_label = 'philo'
 
 
                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')
        
 class File(View):
        """ For storing arbitrary files """
        
        mimetype = models.CharField(max_length=255)
        file = models.FileField(upload_to='philo/files/%Y/%m/%d')
        
-       def actually_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
                wrapper = FileWrapper(self.file)
                response = HttpResponse(wrapper, content_type=self.mimetype)
                response['Content-Length'] = self.file.size