+++ /dev/null
-# encoding: utf-8
-from django.utils.translation import ugettext_lazy as _
-from django.contrib.auth.models import User, Group
-from django.contrib.contenttypes import generic
-from django.contrib.contenttypes.models import ContentType
-from django.db import models
-from django.contrib.sites.models import Site
-from philo.utils import fattr
-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.core.exceptions import ObjectDoesNotExist
-from django.utils import simplejson as json
-from UserDict import DictMixin
-from philo.templatetags.containers import ContainerNode
-from django.template.loader_tags import ExtendsNode, ConstantIncludeNode, IncludeNode
-from django.template.loader import get_template
-from django.http import Http404, HttpResponse, HttpResponseServerError, HttpResponseRedirect
-from django.core.servers.basehttp import FileWrapper
-from django.conf import settings
-from philo.validators import RedirectValidator
-
-
-def register_value_model(model):
- pass
-
-
-def unregister_value_model(model):
- pass
-
-
-class Attribute(models.Model):
- entity_content_type = models.ForeignKey(ContentType, verbose_name='Entity type')
- entity_object_id = models.PositiveIntegerField(verbose_name='Entity ID')
- entity = generic.GenericForeignKey('entity_content_type', 'entity_object_id')
- key = models.CharField(max_length=255)
- json_value = models.TextField(verbose_name='Value (JSON)', help_text='This value must be valid JSON.')
-
- def get_value(self):
- return json.loads(self.json_value)
-
- def set_value(self, value):
- self.json_value = json.dumps(value)
-
- def delete_value(self):
- self.json_value = json.dumps(None)
-
- value = property(get_value, set_value, delete_value)
-
- def __unicode__(self):
- return u'"%s": %s' % (self.key, self.value)
-
-
-class Relationship(models.Model):
- entity_content_type = models.ForeignKey(ContentType, related_name='relationship_entity_set', verbose_name='Entity type')
- entity_object_id = models.PositiveIntegerField(verbose_name='Entity ID')
- entity = generic.GenericForeignKey('entity_content_type', 'entity_object_id')
- key = models.CharField(max_length=255)
- value_content_type = models.ForeignKey(ContentType, related_name='relationship_value_set', verbose_name='Value type')
- value_object_id = models.PositiveIntegerField(verbose_name='Value ID')
- value = generic.GenericForeignKey('value_content_type', 'value_object_id')
-
- def __unicode__(self):
- return u'"%s": %s' % (self.key, self.value)
-
-
-class QuerySetMapper(object, DictMixin):
- def __init__(self, queryset, passthrough=None):
- self.queryset = queryset
- self.passthrough = passthrough
- def __getitem__(self, key):
- try:
- return self.queryset.get(key__exact=key).value
- except ObjectDoesNotExist:
- if self.passthrough:
- return self.passthrough.__getitem__(key)
- raise KeyError
- def keys(self):
- keys = set(self.queryset.values_list('key', flat=True).distinct())
- if self.passthrough:
- keys += set(self.passthrough.keys())
- return list(keys)
-
-
-class Entity(models.Model):
- attribute_set = generic.GenericRelation(Attribute, content_type_field='entity_content_type', object_id_field='entity_object_id')
- relationship_set = generic.GenericRelation(Relationship, content_type_field='entity_content_type', object_id_field='entity_object_id')
-
- @property
- def attributes(self):
- return QuerySetMapper(self.attribute_set)
-
- @property
- def relationships(self):
- return QuerySetMapper(self.relationship_set)
-
- class Meta:
- abstract = True
-
-
-class Collection(models.Model):
- name = models.CharField(max_length=255)
- description = models.TextField(blank=True, null=True)
-
- @fattr(short_description='Members')
- def get_count(self):
- return self.members.count()
-
- def __unicode__(self):
- return self.name
-
-
-class CollectionMemberManager(models.Manager):
- use_for_related_fields = True
-
- def with_model(self, model):
- return model._default_manager.filter(pk__in=self.filter(member_content_type=ContentType.objects.get_for_model(model)).values_list('member_object_id', flat=True))
-
-
-class CollectionMember(models.Model):
- objects = CollectionMemberManager()
- collection = models.ForeignKey(Collection, related_name='members')
- index = models.PositiveIntegerField(verbose_name='Index', help_text='This will determine the ordering of the item within the collection. (Optional)', null=True, blank=True)
- member_content_type = models.ForeignKey(ContentType, verbose_name='Member type')
- member_object_id = models.PositiveIntegerField(verbose_name='Member ID')
- member = generic.GenericForeignKey('member_content_type', 'member_object_id')
-
- def __unicode__(self):
- return u'%s - %s' % (self.collection, self.member)
-
-
-class TreeManager(models.Manager):
- use_for_related_fields = True
-
- def roots(self):
- return self.filter(parent__isnull=True)
-
- def get_with_path(self, path, root=None, absolute_result=True, pathsep='/'):
- """
- Returns the object with the path, or None if there is no object with that path,
- unless absolute_result is set to False, in which case it returns a tuple containing
- the deepest object found along the path, and the remainder of the path after that
- object as a string (or None in the case that there is no remaining path).
- """
- slugs = path.split(pathsep)
- obj = root
- remaining_slugs = list(slugs)
- remainder = None
- for slug in slugs:
- remaining_slugs.remove(slug)
- if slug: # ignore blank slugs, handles for multiple consecutive pathseps
- try:
- obj = self.get(slug__exact=slug, parent__exact=obj)
- except self.model.DoesNotExist:
- if absolute_result:
- obj = None
- remaining_slugs.insert(0, slug)
- remainder = pathsep.join(remaining_slugs)
- break
- if obj:
- if absolute_result:
- return obj
- else:
- return (obj, remainder)
- raise self.model.DoesNotExist('%s matching query does not exist.' % self.model._meta.object_name)
-
-
-class TreeModel(models.Model):
- objects = TreeManager()
- parent = models.ForeignKey('self', related_name='children', null=True, blank=True)
- slug = models.SlugField()
-
- def get_path(self, pathsep='/', field='slug'):
- path = getattr(self, field, '?')
- parent = self.parent
- while parent:
- path = getattr(parent, field, '?') + pathsep + path
- parent = parent.parent
- return path
- path = property(get_path)
-
- def __unicode__(self):
- return self.path
-
- class Meta:
- abstract = True
-
-
-class TreeEntity(TreeModel, Entity):
- @property
- def attributes(self):
- if self.parent:
- return QuerySetMapper(self.attribute_set, passthrough=self.parent.attributes)
- return super(TreeEntity, self).attributes
-
- @property
- def relationships(self):
- if self.parent:
- return QuerySetMapper(self.relationship_set, passthrough=self.parent.relationships)
- return super(TreeEntity, self).relationships
-
- class Meta:
- abstract = True
-
-
-class InheritableTreeEntity(TreeEntity):
- instance_type = models.ForeignKey(ContentType, editable=False)
-
- def save(self, force_insert=False, force_update=False):
- if not hasattr(self, 'instance_type_ptr'):
- self.instance_type = ContentType.objects.get_for_model(self.__class__)
- super(InheritableTreeEntity, self).save(force_insert, force_update)
-
- @property
- def instance(self):
- try:
- return self.instance_type.get_object_for_this_type(id=self.id)
- except:
- return None
-
- def get_path(self, pathsep='/', field='slug'):
- path = getattr(self.instance, field, getattr(self.instance, 'slug', '?'))
- parent = self.parent
- while parent:
- path = getattr(parent.instance, field, getattr(parent.instance, 'slug', '?')) + pathsep + path
- parent = parent.parent
- return path
- path = property(get_path)
-
- @property
- def attributes(self):
- if self.parent:
- return QuerySetMapper(self.instance.attribute_set, passthrough=self.parent.instance.attributes)
- return QuerySetMapper(self.instance.attribute_set)
-
- @property
- def relationships(self):
- if self.parent:
- return QuerySetMapper(self.instance.relationship_set, passthrough=self.parent.instance.relationships)
- return QuerySetMapper(self.instance.relationship_set)
-
- class Meta:
- abstract = True
-
-
-class Node(InheritableTreeEntity):
- accepts_subpath = False
-
- def render_to_response(self, request, path=None, subpath=None):
- return HttpResponseServerError()
-
- class Meta:
- unique_together = (('parent', 'slug'),)
-
-
-class MultiNode(Node):
- accepts_subpath = True
-
- urlpatterns = []
-
- def render_to_response(self, request, path=None, subpath=None):
- if not subpath:
- subpath = ""
- subpath = "/" + subpath
- from django.core.urlresolvers import resolve
- view, args, kwargs = resolve(subpath, urlconf=self)
- return view(request, *args, **kwargs)
-
- class Meta:
- abstract = True
-
-
-class Redirect(Node):
- STATUS_CODES = (
- (302, 'Temporary'),
- (301, 'Permanent'),
- )
- 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, request, path=None, subpath=None):
- response = HttpResponseRedirect(self.target)
- response.status_code = self.status_code
- return response
-
-
-class File(Node):
- """ 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, request, path=None, subpath=None):
- wrapper = FileWrapper(self.file)
- response = HttpResponse(wrapper, content_type=self.mimetype)
- response['Content-Length'] = self.file.size
- return response
-
-
-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)
-
- @property
- def containers(self):
- """
- Returns a tuple where the first item is a list of names of contentlets referenced by containers,
- and the second item is a list of tuples of names and contenttypes of contentreferences referenced by containers.
- 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:
- for nodelist_name in ('nodelist', 'nodelist_loop', 'nodelist_empty', 'nodelist_true', 'nodelist_false', 'nodelist_main'):
- 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:
- pass # fail for this node
- return nodes
- return nodelist_container_nodes(template.nodelist)
- all_nodes = container_nodes(self.django_template)
- contentlet_node_names = set([node.name for node in all_nodes if not node.references])
- contentreference_node_names = []
- contentreference_node_specs = []
- for node in all_nodes:
- if node.references and node.name not in contentreference_node_names:
- contentreference_node_specs.append((node.name, node.references))
- contentreference_node_names.append(node.name)
- return contentlet_node_names, contentreference_node_specs
-
- def __unicode__(self):
- return self.get_path(u' › ', '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 Page(Node):
- """
- Represents a page - something which is rendered according to a template. The page will have a number of related Contentlets depending on the template selected - but these will appear only after the page has been saved with that template.
- """
- template = models.ForeignKey(Template, related_name='pages')
- title = models.CharField(max_length=255)
-
- def render_to_response(self, request, path=None, subpath=None):
- return HttpResponse(self.template.django_template.render(RequestContext(request, {'page': self})), mimetype=self.template.mimetype)
-
- def __unicode__(self):
- return self.get_path(u' › ', 'title')
-
-
-# the following line enables the selection of a node as the root for a given django.contrib.sites Site object
-models.ForeignKey(Node, related_name='sites', null=True, blank=True).contribute_to_class(Site, 'root_node')
-
-
-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)
-
- def __unicode__(self):
- return self.name
-
-
-class ContentReference(models.Model):
- page = models.ForeignKey(Page, related_name='contentreferences')
- name = models.CharField(max_length=255)
- 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')
-
- def __unicode__(self):
- return self.name
-
-
-register_templatetags('philo.templatetags.containers')
-
-
-register_value_model(User)
-register_value_model(Group)
-register_value_model(Site)
-register_value_model(Collection)
-register_value_model(Template)
-register_value_model(Page)
--- /dev/null
+from philo.models.base import *
+from philo.models.collections import *
+from philo.models.nodes import *
+from philo.models.pages import *
+from django.contrib.auth.models import User, Group
+from django.contrib.sites.models import Site
+
+
+register_value_model(User)
+register_value_model(Group)
+register_value_model(Site)
\ No newline at end of file
--- /dev/null
+from django.db import models
+from django.contrib.contenttypes.models import ContentType
+from django.contrib.contenttypes import generic
+from django.utils import simplejson as json
+from django.core.exceptions import ObjectDoesNotExist
+from UserDict import DictMixin
+
+
+def register_value_model(model):
+ pass
+
+
+def unregister_value_model(model):
+ pass
+
+
+class Attribute(models.Model):
+ entity_content_type = models.ForeignKey(ContentType, verbose_name='Entity type')
+ entity_object_id = models.PositiveIntegerField(verbose_name='Entity ID')
+ entity = generic.GenericForeignKey('entity_content_type', 'entity_object_id')
+ key = models.CharField(max_length=255)
+ json_value = models.TextField(verbose_name='Value (JSON)', help_text='This value must be valid JSON.')
+
+ def get_value(self):
+ return json.loads(self.json_value)
+
+ def set_value(self, value):
+ self.json_value = json.dumps(value)
+
+ def delete_value(self):
+ self.json_value = json.dumps(None)
+
+ value = property(get_value, set_value, delete_value)
+
+ def __unicode__(self):
+ return u'"%s": %s' % (self.key, self.value)
+
+ class Meta:
+ app_label = 'philo'
+
+
+class Relationship(models.Model):
+ entity_content_type = models.ForeignKey(ContentType, related_name='relationship_entity_set', verbose_name='Entity type')
+ entity_object_id = models.PositiveIntegerField(verbose_name='Entity ID')
+ entity = generic.GenericForeignKey('entity_content_type', 'entity_object_id')
+ key = models.CharField(max_length=255)
+ value_content_type = models.ForeignKey(ContentType, related_name='relationship_value_set', verbose_name='Value type')
+ value_object_id = models.PositiveIntegerField(verbose_name='Value ID')
+ value = generic.GenericForeignKey('value_content_type', 'value_object_id')
+
+ def __unicode__(self):
+ return u'"%s": %s' % (self.key, self.value)
+
+ class Meta:
+ app_label = 'philo'
+
+
+class QuerySetMapper(object, DictMixin):
+ def __init__(self, queryset, passthrough=None):
+ self.queryset = queryset
+ self.passthrough = passthrough
+ def __getitem__(self, key):
+ try:
+ return self.queryset.get(key__exact=key).value
+ except ObjectDoesNotExist:
+ if self.passthrough:
+ return self.passthrough.__getitem__(key)
+ raise KeyError
+ def keys(self):
+ keys = set(self.queryset.values_list('key', flat=True).distinct())
+ if self.passthrough:
+ keys += set(self.passthrough.keys())
+ return list(keys)
+
+
+class Entity(models.Model):
+ attribute_set = generic.GenericRelation(Attribute, content_type_field='entity_content_type', object_id_field='entity_object_id')
+ relationship_set = generic.GenericRelation(Relationship, content_type_field='entity_content_type', object_id_field='entity_object_id')
+
+ @property
+ def attributes(self):
+ return QuerySetMapper(self.attribute_set)
+
+ @property
+ def relationships(self):
+ return QuerySetMapper(self.relationship_set)
+
+ class Meta:
+ abstract = True
+ app_label = 'philo'
+
+
+class TreeManager(models.Manager):
+ use_for_related_fields = True
+
+ def roots(self):
+ return self.filter(parent__isnull=True)
+
+ def get_with_path(self, path, root=None, absolute_result=True, pathsep='/'):
+ """
+ Returns the object with the path, or None if there is no object with that path,
+ unless absolute_result is set to False, in which case it returns a tuple containing
+ the deepest object found along the path, and the remainder of the path after that
+ object as a string (or None in the case that there is no remaining path).
+ """
+ slugs = path.split(pathsep)
+ obj = root
+ remaining_slugs = list(slugs)
+ remainder = None
+ for slug in slugs:
+ remaining_slugs.remove(slug)
+ if slug: # ignore blank slugs, handles for multiple consecutive pathseps
+ try:
+ obj = self.get(slug__exact=slug, parent__exact=obj)
+ except self.model.DoesNotExist:
+ if absolute_result:
+ obj = None
+ remaining_slugs.insert(0, slug)
+ remainder = pathsep.join(remaining_slugs)
+ break
+ if obj:
+ if absolute_result:
+ return obj
+ else:
+ return (obj, remainder)
+ raise self.model.DoesNotExist('%s matching query does not exist.' % self.model._meta.object_name)
+
+
+class TreeModel(models.Model):
+ objects = TreeManager()
+ parent = models.ForeignKey('self', related_name='children', null=True, blank=True)
+ slug = models.SlugField()
+
+ def get_path(self, pathsep='/', field='slug'):
+ path = getattr(self, field, '?')
+ parent = self.parent
+ while parent:
+ path = getattr(parent, field, '?') + pathsep + path
+ parent = parent.parent
+ return path
+ path = property(get_path)
+
+ def __unicode__(self):
+ return self.path
+
+ class Meta:
+ abstract = True
+ app_label = 'philo'
+
+
+class TreeEntity(TreeModel, Entity):
+ @property
+ def attributes(self):
+ if self.parent:
+ return QuerySetMapper(self.attribute_set, passthrough=self.parent.attributes)
+ return super(TreeEntity, self).attributes
+
+ @property
+ def relationships(self):
+ if self.parent:
+ return QuerySetMapper(self.relationship_set, passthrough=self.parent.relationships)
+ return super(TreeEntity, self).relationships
+
+ class Meta:
+ abstract = True
+ app_label = 'philo'
+
+
+class InheritableTreeEntity(TreeEntity):
+ instance_type = models.ForeignKey(ContentType, editable=False)
+
+ def save(self, force_insert=False, force_update=False):
+ if not hasattr(self, 'instance_type_ptr'):
+ self.instance_type = ContentType.objects.get_for_model(self.__class__)
+ super(InheritableTreeEntity, self).save(force_insert, force_update)
+
+ @property
+ def instance(self):
+ try:
+ return self.instance_type.get_object_for_this_type(id=self.id)
+ except:
+ return None
+
+ def get_path(self, pathsep='/', field='slug'):
+ path = getattr(self.instance, field, getattr(self.instance, 'slug', '?'))
+ parent = self.parent
+ while parent:
+ path = getattr(parent.instance, field, getattr(parent.instance, 'slug', '?')) + pathsep + path
+ parent = parent.parent
+ return path
+ path = property(get_path)
+
+ @property
+ def attributes(self):
+ if self.parent:
+ return QuerySetMapper(self.instance.attribute_set, passthrough=self.parent.instance.attributes)
+ return QuerySetMapper(self.instance.attribute_set)
+
+ @property
+ def relationships(self):
+ if self.parent:
+ return QuerySetMapper(self.instance.relationship_set, passthrough=self.parent.instance.relationships)
+ return QuerySetMapper(self.instance.relationship_set)
+
+ class Meta:
+ abstract = True
+ app_label = 'philo'
\ No newline at end of file
--- /dev/null
+from django.db import models
+from django.contrib.contenttypes.models import ContentType
+from django.contrib.contenttypes import generic
+from philo.models.base import register_value_model
+from philo.utils import fattr
+
+
+class Collection(models.Model):
+ name = models.CharField(max_length=255)
+ description = models.TextField(blank=True, null=True)
+
+ @fattr(short_description='Members')
+ def get_count(self):
+ return self.members.count()
+
+ def __unicode__(self):
+ return self.name
+
+ class Meta:
+ app_label = 'philo'
+
+
+class CollectionMemberManager(models.Manager):
+ use_for_related_fields = True
+
+ def with_model(self, model):
+ return model._default_manager.filter(pk__in=self.filter(member_content_type=ContentType.objects.get_for_model(model)).values_list('member_object_id', flat=True))
+
+
+class CollectionMember(models.Model):
+ objects = CollectionMemberManager()
+ collection = models.ForeignKey(Collection, related_name='members')
+ index = models.PositiveIntegerField(verbose_name='Index', help_text='This will determine the ordering of the item within the collection. (Optional)', null=True, blank=True)
+ member_content_type = models.ForeignKey(ContentType, verbose_name='Member type')
+ member_object_id = models.PositiveIntegerField(verbose_name='Member ID')
+ member = generic.GenericForeignKey('member_content_type', 'member_object_id')
+
+ def __unicode__(self):
+ return u'%s - %s' % (self.collection, self.member)
+
+ class Meta:
+ app_label = 'philo'
+
+
+register_value_model(Collection)
\ No newline at end of file
--- /dev/null
+from django.db import models
+from django.http import HttpResponse, HttpResponseServerError, HttpResponseRedirect
+from django.core.servers.basehttp import FileWrapper
+from philo.models.base import InheritableTreeEntity
+from philo.validators import RedirectValidator
+
+
+class Node(InheritableTreeEntity):
+ accepts_subpath = False
+
+ def render_to_response(self, request, path=None, subpath=None):
+ return HttpResponseServerError()
+
+ class Meta:
+ unique_together = (('parent', 'slug'),)
+ app_label = 'philo'
+
+
+class MultiNode(Node):
+ accepts_subpath = True
+
+ urlpatterns = []
+
+ def render_to_response(self, request, path=None, subpath=None):
+ if not subpath:
+ subpath = ""
+ subpath = "/" + subpath
+ from django.core.urlresolvers import resolve
+ view, args, kwargs = resolve(subpath, urlconf=self)
+ return view(request, *args, **kwargs)
+
+ class Meta:
+ abstract = True
+ app_label = 'philo'
+
+
+class Redirect(Node):
+ STATUS_CODES = (
+ (302, 'Temporary'),
+ (301, 'Permanent'),
+ )
+ 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, request, path=None, subpath=None):
+ response = HttpResponseRedirect(self.target)
+ response.status_code = self.status_code
+ return response
+
+ class Meta:
+ app_label = 'philo'
+
+
+class File(Node):
+ """ 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, request, path=None, subpath=None):
+ wrapper = FileWrapper(self.file)
+ response = HttpResponse(wrapper, content_type=self.mimetype)
+ response['Content-Length'] = self.file.size
+ return response
+
+ class Meta:
+ app_label = 'philo'
\ No newline at end of file
--- /dev/null
+# encoding: utf-8
+from django.db import models
+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.http import HttpResponse
+from django.contrib.sites.models import Site
+from philo.models.base import TreeModel, register_value_model
+from philo.models.nodes import Node
+from philo.utils import fattr
+from philo.templatetags.containers import ContainerNode
+
+
+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)
+
+ @property
+ def containers(self):
+ """
+ Returns a tuple where the first item is a list of names of contentlets referenced by containers,
+ and the second item is a list of tuples of names and contenttypes of contentreferences referenced by containers.
+ 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:
+ for nodelist_name in ('nodelist', 'nodelist_loop', 'nodelist_empty', 'nodelist_true', 'nodelist_false', 'nodelist_main'):
+ 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)
+ contentlet_node_names = set([node.name for node in all_nodes if not node.references])
+ contentreference_node_names = []
+ contentreference_node_specs = []
+ for node in all_nodes:
+ if node.references and node.name not in contentreference_node_names:
+ contentreference_node_specs.append((node.name, node.references))
+ contentreference_node_names.append(node.name)
+ return contentlet_node_names, contentreference_node_specs
+
+ def __unicode__(self):
+ return self.get_path(u' › ', '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'
+
+
+class Page(Node):
+ """
+ Represents a page - something which is rendered according to a template. The page will have a number of related Contentlets depending on the template selected - but these will appear only after the page has been saved with that template.
+ """
+ template = models.ForeignKey(Template, related_name='pages')
+ title = models.CharField(max_length=255)
+
+ def render_to_response(self, request, path=None, subpath=None):
+ return HttpResponse(self.template.django_template.render(RequestContext(request, {'page': self})), mimetype=self.template.mimetype)
+
+ def __unicode__(self):
+ return self.get_path(u' › ', 'title')
+
+ class Meta:
+ app_label = 'philo'
+
+
+# the following line enables the selection of a node as the root for a given django.contrib.sites Site object
+models.ForeignKey(Node, related_name='sites', null=True, blank=True).contribute_to_class(Site, 'root_node')
+
+
+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)
+
+ def __unicode__(self):
+ return self.name
+
+ class Meta:
+ app_label = 'philo'
+
+
+class ContentReference(models.Model):
+ page = models.ForeignKey(Page, related_name='contentreferences')
+ name = models.CharField(max_length=255)
+ 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')
+
+ def __unicode__(self):
+ return self.name
+
+ class Meta:
+ app_label = 'philo'
+
+
+register_templatetags('philo.templatetags.containers')
+
+
+register_value_model(Template)
+register_value_model(Page)
\ No newline at end of file
git.ithinksw.org / philo.git / commitdiff