from inspect import getargspec
+import mimetypes
+from os.path import basename
from django.contrib.contenttypes import generic
from django.contrib.contenttypes.models import ContentType
from django.core.urlresolvers import resolve, clear_url_caches, reverse, NoReverseMatch
from django.db import models
from django.http import HttpResponse, HttpResponseServerError, HttpResponseRedirect, Http404
-from django.template import add_to_builtins as register_templatetags
from django.utils.encoding import smart_str
from philo.exceptions import MIDDLEWARE_NOT_CONFIGURED, ViewCanNotProvideSubpath, ViewDoesNotProvideSubpaths
-from philo.models.base import TreeEntity, Entity, QuerySetMapper, register_value_model
+from philo.models.base import SlugTreeEntity, Entity, register_value_model
from philo.models.fields import JSONField
from philo.utils import ContentTypeSubclassLimiter
+from philo.utils.entities import LazyPassthroughAttributeMapper
from philo.signals import view_about_to_render, view_finished_rendering
+__all__ = ('Node', 'View', 'MultiView', 'Redirect', 'File')
+
+
_view_content_type_limiter = ContentTypeSubclassLimiter(None)
-class Node(TreeEntity):
+class Node(SlugTreeEntity):
"""
:class:`Node`\ s are the basic building blocks of a website using Philo. They define the URL hierarchy and connect each URL to a :class:`View` subclass instance which is used to generate an HttpResponse.
"""
- view_content_type = models.ForeignKey(ContentType, related_name='node_view_set', limit_choices_to=_view_content_type_limiter)
- view_object_id = models.PositiveIntegerField()
+ view_content_type = models.ForeignKey(ContentType, related_name='node_view_set', limit_choices_to=_view_content_type_limiter, blank=True, null=True)
+ view_object_id = models.PositiveIntegerField(blank=True, null=True)
#: :class:`GenericForeignKey` to a non-abstract subclass of :class:`View`
view = generic.GenericForeignKey('view_content_type', 'view_object_id')
return False
def handles_subpath(self, subpath):
- return self.view.handles_subpath(subpath)
+ if self.view:
+ return self.view.handles_subpath(subpath)
+ return False
def render_to_response(self, request, extra_context=None):
"""This is a shortcut method for :meth:`View.render_to_response`"""
- return self.view.render_to_response(request, extra_context)
+ if self.view:
+ return self.view.render_to_response(request, extra_context)
+ raise Http404
def get_absolute_url(self, request=None, with_domain=False, secure=False):
"""
return '%s%s%s%s' % (domain, root_url, path, subpath)
- class Meta:
+ class Meta(SlugTreeEntity.Meta):
app_label = 'philo'
"""
raise NotImplementedError("View subclasses must implement get_reverse_params to support subpaths.")
- def attributes_with_node(self, node):
+ def attributes_with_node(self, node, mapper=LazyPassthroughAttributeMapper):
"""
- Returns a :class:`~philo.models.base.QuerySetMapper` using the :class:`Node`'s attributes as a passthrough.
+ Returns a :class:`LazyPassthroughAttributeMapper` which can be used to directly retrieve the values of :class:`Attribute`\ s related to the :class:`View`, falling back on the :class:`Attribute`\ s of the passed-in :class:`Node` and its ancestors.
"""
- return QuerySetMapper(self.attribute_set, passthrough=node.attributes)
+ return mapper((self, node))
def render_to_response(self, request, extra_context=None):
"""
"""
clear_url_caches()
- subpath = request.node.subpath
+ subpath = request.node._subpath
view, args, kwargs = resolve(subpath, urlconf=self)
view_args = getargspec(view)
if extra_context is not None and ('extra_context' in view_args[0] or view_args[2] is not None):
class TargetURLModel(models.Model):
"""An abstract parent class for models which deal in targeting a url."""
- #: An optional :class:`ForeignKey` to a :class:`Node`. If provided, that node will be used as the basis for the redirect.
+ #: An optional :class:`ForeignKey` to a :class:`.Node`. If provided, that node will be used as the basis for the redirect.
target_node = models.ForeignKey(Node, blank=True, null=True, related_name="%(app_label)s_%(class)s_related")
#: A :class:`CharField` which may contain an absolute or relative URL, or the name of a node's subpath.
url_or_subpath = models.CharField(max_length=200, blank=True, help_text="Point to this url or, if a node is defined and accepts subpaths, this subpath of the node.")
class File(View):
"""Stores an arbitrary file."""
- #: Defines the mimetype of the uploaded file. This will not be validated.
- mimetype = models.CharField(max_length=255)
+ #: The name of the uploaded file. This is meant for finding the file again later, not for display.
+ name = models.CharField(max_length=255)
+ #: Defines the mimetype of the uploaded file. This will not be validated. If no mimetype is provided, it will be automatically generated based on the filename.
+ mimetype = models.CharField(max_length=255, blank=True)
#: Contains the uploaded file. Files are uploaded to ``philo/files/%Y/%m/%d``.
file = models.FileField(upload_to='philo/files/%Y/%m/%d')
+ def clean(self):
+ if not self.mimetype:
+ self.mimetype = mimetypes.guess_type(self.file.name, strict=False)[0]
+ if self.mimetype is None:
+ raise ValidationError("Unknown file type.")
+
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
+ response['Content-Disposition'] = "inline; filename=%s" % basename(self.file.name)
return response
class Meta:
app_label = 'philo'
def __unicode__(self):
- """Returns the path of the uploaded file."""
- return self.file.name
+ """Returns the value of :attr:`File.name`."""
+ return self.name
-register_templatetags('philo.templatetags.nodes')
register_value_model(Node)
\ No newline at end of file
git.ithinksw.org / philo.git / blobdiff