X-Git-Url: http://git.ithinksw.org/philo.git/blobdiff_plain/781cf86e935c66069acd17878a9f3de7cc6ec231..7beaf5e7ce33721111cf455028dc872ff8a5512a:/models/pages.py diff --git a/models/pages.py b/models/pages.py index 7476f18..ef68b5f 100644 --- a/models/pages.py +++ b/models/pages.py @@ -1,34 +1,25 @@ # encoding: utf-8 -from django.db import models +from django.conf import settings from django.contrib.contenttypes.models import ContentType from django.contrib.contenttypes import generic -from django.conf import settings -from django.template import add_to_builtins as register_templatetags -from django.template import Template as DjangoTemplate -from django.template import TemplateDoesNotExist -from django.template import Context, RequestContext -from django.template.loader import get_template -from django.template.loader_tags import ExtendsNode, ConstantIncludeNode, IncludeNode +from django.core.exceptions import ValidationError +from django.db import models from django.http import HttpResponse +from django.template import TemplateDoesNotExist, Context, RequestContext, Template as DjangoTemplate, add_to_builtins as register_templatetags from philo.models.base import TreeModel, register_value_model +from philo.models.fields import TemplateField from philo.models.nodes import View -from philo.utils import fattr from philo.templatetags.containers import ContainerNode +from philo.utils import fattr, nodelist_crawl +from philo.validators import LOADED_TEMPLATE_ATTR +from philo.signals import page_about_to_render_to_string, page_finished_rendering_to_string class Template(TreeModel): name = models.CharField(max_length=255) documentation = models.TextField(null=True, blank=True) - mimetype = models.CharField(max_length=255, null=True, blank=True, help_text='Default: %s' % settings.DEFAULT_CONTENT_TYPE) - code = models.TextField(verbose_name='django template code') - - @property - def origin(self): - return 'philo.models.Template: ' + self.path - - @property - def django_template(self): - return DjangoTemplate(self.code) + mimetype = models.CharField(max_length=255, default=getattr(settings, 'DEFAULT_CONTENT_TYPE', 'text/html')) + code = TemplateField(secure=False, verbose_name='django template code') @property def containers(self): @@ -38,34 +29,11 @@ class Template(TreeModel): This will break if there is a recursive extends or includes in the template code. Due to the use of an empty Context, any extends or include tags with dynamic arguments probably won't work. """ - def container_nodes(template): - def nodelist_container_nodes(nodelist): - nodes = [] - for node in nodelist: - try: - if hasattr(node, 'child_nodelists'): - for nodelist_name in node.child_nodelists: - if hasattr(node, nodelist_name): - nodes.extend(nodelist_container_nodes(getattr(node, nodelist_name))) - if isinstance(node, ContainerNode): - nodes.append(node) - elif isinstance(node, ExtendsNode): - extended_template = node.get_parent(Context()) - if extended_template: - nodes.extend(container_nodes(extended_template)) - elif isinstance(node, ConstantIncludeNode): - included_template = node.template - if included_template: - nodes.extend(container_nodes(included_template)) - elif isinstance(node, IncludeNode): - included_template = get_template(node.template_name.resolve(Context())) - if included_template: - nodes.extend(container_nodes(included_template)) - except: - raise # fail for this node - return nodes - return nodelist_container_nodes(template.nodelist) - all_nodes = container_nodes(self.django_template) + def process_node(node, nodes): + if isinstance(node, ContainerNode): + nodes.append(node) + + all_nodes = nodelist_crawl(DjangoTemplate(self.code).nodelist, process_node) contentlet_node_names = set([node.name for node in all_nodes if not node.references]) contentreference_node_names = [] contentreference_node_specs = [] @@ -78,15 +46,6 @@ class Template(TreeModel): def __unicode__(self): return self.get_path(pathsep=u' › ', field='name') - @staticmethod - @fattr(is_usable=True) - def loader(template_name, template_dirs=None): # load_template_source - try: - template = Template.objects.get_with_path(template_name) - except Template.DoesNotExist: - raise TemplateDoesNotExist(template_name) - return (template.code, template.origin) - class Meta: app_label = 'philo' @@ -98,30 +57,59 @@ class Page(View): template = models.ForeignKey(Template, related_name='pages') title = models.CharField(max_length=255) - def render_to_string(self, node=None, request=None, path=None, subpath=None, extra_context=None): + def get_containers(self): + if not hasattr(self, '_containers'): + self._containers = self.template.containers + return self._containers + containers = property(get_containers) + + def render_to_string(self, request=None, extra_context=None): context = {} context.update(extra_context or {}) - context.update({'page': self, 'attributes': self.attributes, 'relationships': self.relationships}) - if node and request: - context.update({'node': node, 'attributes': self.attributes_with_node(node), 'relationships': self.relationships_with_node(node)}) - return self.template.django_template.render(RequestContext(request, context)) - return self.template.django_template.render(Context(context)) + context.update({'page': self, 'attributes': self.attributes}) + template = DjangoTemplate(self.template.code) + if request: + context.update({'node': request.node, 'attributes': self.attributes_with_node(request.node)}) + page_about_to_render_to_string.send(sender=self, request=request, extra_context=context) + string = template.render(RequestContext(request, context)) + else: + page_about_to_render_to_string.send(sender=self, request=request, extra_context=context) + string = template.render(Context(context)) + page_finished_rendering_to_string.send(sender=self, string=string) + return string - def render_to_response(self, node, request, path=None, subpath=None, extra_context=None): - return HttpResponse(self.render_to_string(node, request, path, subpath, extra_context), mimetype=self.template.mimetype) + def actually_render_to_response(self, request, extra_context=None): + return HttpResponse(self.render_to_string(request, extra_context), mimetype=self.template.mimetype) def __unicode__(self): return self.title + def clean_fields(self, exclude=None): + try: + super(Page, self).clean_fields(exclude) + except ValidationError, e: + errors = e.message_dict + else: + errors = {} + + if 'template' not in errors and 'template' not in exclude: + try: + self.template.clean_fields() + self.template.clean() + except ValidationError, e: + errors['template'] = e.messages + + if errors: + raise ValidationError(errors) + class Meta: app_label = 'philo' class Contentlet(models.Model): page = models.ForeignKey(Page, related_name='contentlets') - name = models.CharField(max_length=255) - content = models.TextField() - dynamic = models.BooleanField(default=False) + name = models.CharField(max_length=255, db_index=True) + content = TemplateField() def __unicode__(self): return self.name @@ -132,7 +120,7 @@ class Contentlet(models.Model): class ContentReference(models.Model): page = models.ForeignKey(Page, related_name='contentreferences') - name = models.CharField(max_length=255) + name = models.CharField(max_length=255, db_index=True) content_type = models.ForeignKey(ContentType, verbose_name='Content type') content_id = models.PositiveIntegerField(verbose_name='Content ID', blank=True, null=True) content = generic.GenericForeignKey('content_type', 'content_id')