def __call__(self):
context = aq_inner(self.context)
fieldname = self.request.get('fieldname')
portal_type = self.request.get('portal_type')
fti = zope.component.getUtility(IDexterityFTI, name=portal_type)
schema = fti.lookupSchema()
field = schema.get(fieldname)
if field is None:
# The field might be defined in a behavior schema
behavior_assignable = IBehaviorAssignable(context, None)
for behavior_reg in behavior_assignable.enumerateBehaviors():
behavior_schema = IFormFieldProvider(behavior_reg.interface, None)
if behavior_schema is not None:
field = behavior_schema.get(fieldname)
if field is not None:
break
vname = field.vocabularyName
factory = zope.component.getUtility(IVocabularyFactory, vname)
tree = factory(context)
# XXX: "selected" is not set in input.pt, so does it make sense to check
# for it here? Only if this json view is called elsewhere, which
# doesn't seem to be the case...
selected = self.request.get('selected', '').split('|')
return JSONWriter().write(dict2dynatree(tree, selected, True, False))
def copy_fields_dexterity(self, source, target):
# Copy the content from the canonical fields
try:
fields = schema.getFieldsInOrder(
source.getTypeInfo().lookupSchema()) # noqa
except AttributeError as e:
log.info("Error: %s" % "/".join(source.getPhysicalPath()))
log.exception(e)
return
for key, value in fields:
if key.lower() in SKIPPED_FIELDS_DX:
# skip language
log.info("Skipped %s" % key)
continue
self.change_content(source, target, key, value)
# Copy the contents from behaviors
behavior_assignable = IBehaviorAssignable(source)
if behavior_assignable:
behaviors = behavior_assignable.enumerateBehaviors()
for behavior in behaviors:
for key, value in getFieldsInOrder(behavior.interface):
if key.lower() in SKIPPED_FIELDS_DX:
# skip language
log.info("Skipped %s" % key)
continue
self.change_content_for_behavior(source, target, key,
behavior.interface)
def __getattr__(self, name):
# python basics: __getattr__ is only invoked if the attribute wasn't
# found by __getattribute__
#
# optimization: sometimes we're asked for special attributes
# such as __conform__ that we can disregard (because we
# wouldn't be in here if the class had such an attribute
# defined).
# also handle special dynamic providedBy cache here.
if name.startswith('__') or name == '_v__providedBy__':
raise AttributeError(name)
# attribute was not found; try to look it up in the schema and return
# a default
value = _default_from_schema(self, SCHEMA_CACHE.get(self.portal_type),
name)
if value is not _marker:
return value
# do the same for each subtype
assignable = IBehaviorAssignable(self, None)
if assignable is not None:
for behavior_registration in assignable.enumerateBehaviors():
if behavior_registration.interface:
value = _default_from_schema(
self, behavior_registration.interface, name)
if value is not _marker:
return value
raise AttributeError(name)
def researh_fields_dexterity(item):
# Get fields from schema
fields = {
"created": {
"type": "datetime"
},
"modified": {
"type": "datetime"
},
"immediately_addable_types": {
"type": "lines"
},
"locally_allowed_types": {
"type": "lines"
},
"constrain_types_mode": {
"type": "integer"
},
}
for field_name, field_instance in getFieldsInOrder(
item.getTypeInfo().lookupSchema()):
fields[field_name] = parse_field_dexterity(field_name, field_instance)
# Get fields from behaviors
behavior_assignable = IBehaviorAssignable(item)
if behavior_assignable:
behaviors = behavior_assignable.enumerateBehaviors()
for behavior in behaviors:
for field_name, field_instance in getFieldsInOrder(
behavior.interface):
fields[field_name] = parse_field_dexterity(
field_name, field_instance)
return fields
def dx_feed_indexer(context):
assignable = IBehaviorAssignable(context, None)
if assignable is not None:
if assignable.supports(IFeedControl):
try:
return tuple(context.feeds)
except TypeError:
return tuple()
def dx_schedule_indexer(context):
assignable = IBehaviorAssignable(context, None)
if assignable is None or not assignable.supports(IFeedControl):
return
date = getattr(context, "feedSchedule", None)
if date is None:
assignable = IBehaviorAssignable(context, None)
if assignable is not None:
if assignable.supports(IDublinCore):
return context.effective_date
return DateTime(
date.year,
date.month,
date.day
)
def test_member_behaviors(self):
behaviors = [INameFromFullName, IReferenceable,
metadata.ICategorization, metadata.IPublication,
metadata.IOwnership, IMembraneUser, IProvidePasswords]
member = self._createType(
self.layer['portal'], 'dexterity.membrane.organizationmember', 'les')
assignable = IBehaviorAssignable(member)
for b in behaviors:
self.assertTrue(assignable.supports(b),
"member type should support %s behavior" % b)
def get_dx_schema(context):
schema = dict(getFieldsInOrder(context.getTypeInfo().lookupSchema()))
behavior_assignable = IBehaviorAssignable(context)
if behavior_assignable:
for behavior in behavior_assignable.enumerateBehaviors():
for k, v in getFieldsInOrder(behavior.interface):
schema[k] = v
return schema
def get_obj_schema(obj):
for iface in providedBy(obj).flattened():
for name, field in getFields(iface).items():
yield name, field
assignable = IBehaviorAssignable(obj, None)
if assignable:
for behavior in assignable.enumerateBehaviors():
for name, field in getFields(behavior.interface).items():
yield name, field
def __get__(self, inst, cls=None):
if inst is None:
return getObjectSpecification(cls)
request = getRequest()
annotations = IAnnotations(request)
try:
digest = inst.schema_digest
except AttributeError:
spec = getattr(inst, '__provides__', None)
if spec is None:
return implementedBy(cls)
else:
return spec
# Return cached spec from request
if not getattr(self, '__recursion__', False):
spec = annotations.get(self.__class__.__name__ + '.' + digest)
if spec is not None:
return spec
spec = getattr(inst, '__provides__', None)
if spec is None:
spec = implementedBy(cls)
model = load_model(inst.schema, cache_key=inst.schema_digest)
schemata = [
model.schemata[name] for name in model.schemata
if name in [u'', u'++add++']
or IS_TRANSLATION.match(name.split(u'++add++')[0])
]
schemata.append(spec)
if getattr(self, '__recursion__', False):
return Implements(*schemata)
self.__recursion__ = True
dynamically_provided = []
try:
assignable = IBehaviorAssignable(inst, None)
if assignable is not None:
for behavior_registration in assignable.enumerateBehaviors():
if behavior_registration.marker:
dynamically_provided.append(
behavior_registration.marker, )
finally:
del self.__recursion__
schemata.extend(dynamically_provided)
spec = Implements(*schemata)
# Cache spec into request
annotations[self.__class__.__name__ + '.' + digest] = spec
return spec
def get_field_data(self):
from plone.dexterity.interfaces import IDexterityFTI
from plone.behavior.interfaces import IBehaviorAssignable
data = {}
schema = getUtility(IDexterityFTI,
name=self.obj.portal_type).lookupSchema()
for name, field in getFieldsInOrder(schema):
data[name] = getattr(self.obj, name, None)
behavior_assignable = IBehaviorAssignable(self.obj)
for behavior in behavior_assignable.enumerateBehaviors():
binst = behavior.interface(self.obj)
bdata = {}
for name, field in getFieldsInOrder(behavior.interface):
bdata[name] = getattr(binst, name, None)
data[behavior.interface.__identifier__] = bdata
if ILayoutAware.providedBy(self.obj):
from plone.tiles.data import ANNOTATIONS_KEY_PREFIX
from plone.app.blocks.utils import getLayout
from repoze.xmliter.utils import getHTMLSerializer
from plone.app.blocks import tiles
from plone.app.blocks import gridsystem
from lxml.html import tostring
tdata = {}
annotations = IAnnotations(self.obj, {})
for key in annotations.keys():
if key.startswith(ANNOTATIONS_KEY_PREFIX):
adata = annotations[key]
tdata[key] = adata
data['tile_data'] = tdata
req = site.REQUEST
layout = getLayout(self.obj)
dom = getHTMLSerializer(layout)
try:
tiles.renderTiles(req,
dom.tree,
site=site,
baseURL=self.obj.absolute_url() +
'/layout_view')
except TypeError:
tiles.renderTiles(req,
dom.tree,
baseURL=self.obj.absolute_url() +
'/layout_view')
gridsystem.merge(req, dom.tree)
data['rendered_layout'] = tostring(dom.tree)
return data
def applyMarkers(obj, event):
"""Event handler to apply markers for all behaviors enabled
for the given type.
"""
assignable = IBehaviorAssignable(obj, None)
if assignable is None:
return
for behavior in assignable.enumerateBehaviors():
if behavior.marker is not None:
alsoProvides(obj, behavior.marker)
def test_member_behavior_blacklist(self):
# Some behaviors should definitely NOT be provided.
black_list = [metadata.IDublinCore, metadata.IBasic]
# Note that we would want INameFromTitle in the black list as
# well, but it cannot be, as it gets pulled in as base class
# of INameFromFullName.
member = self._createType(self.layer['portal'],
'dexterity.membrane.member', 'les')
assignable = IBehaviorAssignable(member)
for b in black_list:
self.assertFalse(assignable.supports(b),
"member type should NOT support %s behavior" % b)
def _all_fields(self):
type_info = self.context.getTypeInfo()
if type_info is None:
return
schema = type_info.lookupSchema()
for field in getFieldsInOrder(schema):
yield field
behavior_assignable = IBehaviorAssignable(self.context)
if behavior_assignable:
for behavior in behavior_assignable.enumerateBehaviors():
for field in getFieldsInOrder(behavior.interface):
yield field
def get_behaviors(self):
""" Iterate over all behaviors that are assigned to the object
Used code from @tisto:
https://github.com/plone/plone.restapi/blob/master/src/plone/restapi/utils.py
"""
out = {}
assignable = IBehaviorAssignable(self.context, None)
if not assignable:
return out
for behavior in assignable.enumerateBehaviors():
for name, field in getFields(behavior.interface).items():
out[name] = field
return out
def __call__(self, context):
assignable = IBehaviorAssignable(context, None)
if assignable is None:
return None
if not assignable.supports(self.behavior.interface):
return None
if self.behavior.factory is not None:
adapted = self.behavior.factory(context)
else:
# When no factory is specified the object should provide the
# behavior directly
adapted = context
return adapted
def can_be_division(self):
''' Check if this object can be a division,
i.e. has a division field in the schema or in a behavior
'''
schema = self.context.getTypeInfo().lookupSchema()
if 'is_division' in getFieldNames(schema):
return True
behavior_assignable = IBehaviorAssignable(self.context)
if behavior_assignable:
behaviors = behavior_assignable.enumerateBehaviors()
for behavior in behaviors:
if 'is_division' in getFieldNames(schema):
return True
return False
def _image_field_info(self):
type_info = self.context.getTypeInfo()
schema = type_info.lookupSchema()
fields = getFieldsInOrder(schema)
behavior_assignable = IBehaviorAssignable(self.context)
if behavior_assignable:
behaviors = behavior_assignable.enumerateBehaviors()
for behavior in behaviors:
fields += getFieldsInOrder(behavior.interface)
for fieldname, field in fields:
img_field = getattr(self.context, fieldname, None)
if img_field and IImage.providedBy(img_field):
yield (fieldname, img_field)
def get_assignable(context):
"""get the BehaviorAssignable for the context.
Read from cache on request if needed (twice as fast as lookup)
returns IBehaviorAssignable providing instance or None
"""
request = getRequest()
if not request:
return IBehaviorAssignable(context, None)
cache_key = getattr(context, '_p_oid', None)
if not cache_key:
return IBehaviorAssignable(context, None)
assignable_cache = getattr(request, ASSIGNABLE_CACHE_KEY, _marker)
if assignable_cache is _marker:
assignable_cache = dict()
setattr(request, ASSIGNABLE_CACHE_KEY, assignable_cache)
assignable = assignable_cache.get(cache_key, _marker)
if assignable is _marker:
assignable_cache[cache_key] = assignable = IBehaviorAssignable(
context,
None,
)
return assignable
def getAdditionalSchemata(context=None, portal_type=None):
"""Get additional schemata for this context or this portal_type.
Additional schemata can be defined in behaviors.
Usually either context or portal_type should be set, not both.
The idea is that for edit forms or views you pass in a context
(and we get the portal_type from there) and for add forms you pass
in a portal_type (and the context is irrelevant then). If both
are set, the portal_type might get ignored, depending on which
code path is taken.
"""
log.debug("getAdditionalSchemata with context %r and portal_type %s",
context, portal_type)
if context is None and portal_type is None:
return
if context:
behavior_assignable = IBehaviorAssignable(context, None)
else:
behavior_assignable = None
if behavior_assignable is None:
log.debug("No behavior assignable found, only checking fti.")
# Usually an add-form.
if portal_type is None:
portal_type = context.portal_type
fti = getUtility(IDexterityFTI, name=portal_type)
for behavior_name in fti.behaviors:
behavior_interface = None
behavior_instance = queryUtility(IBehavior, name=behavior_name)
if not behavior_instance:
try:
behavior_interface = resolveDottedName(behavior_name)
except (ValueError, ImportError):
log.warning("Error resolving behaviour %s", behavior_name)
continue
else:
behavior_interface = behavior_instance.interface
if behavior_interface is not None:
behavior_schema = IFormFieldProvider(behavior_interface, None)
if behavior_schema is not None:
yield behavior_schema
else:
log.debug("Behavior assignable found for context.")
for behavior_reg in behavior_assignable.enumerateBehaviors():
behavior_schema = IFormFieldProvider(behavior_reg.interface, None)
if behavior_schema is not None:
yield behavior_schema
def get_all_fields(context):
""" Return all fields (including behavior fields) of a context object
as dict fieldname -> field.
"""
schema = zope.component.getUtility(
IDexterityFTI, name=context.portal_type).lookupSchema()
fields = dict((fieldname, schema[fieldname]) for fieldname in schema)
assignable = IBehaviorAssignable(context)
for behavior in assignable.enumerateBehaviors():
behavior_schema = behavior.interface
fields.update(
(name, behavior_schema[name]) for name in behavior_schema)
return fields
def get_object_schema(obj):
object_schema = set()
for iface in providedBy(obj).flattened():
for name, field in getFields(iface).items():
no_underscore_method = not name.startswith('_')
no_manage_method = not name.startswith('manage')
if no_underscore_method and no_manage_method:
if name not in object_schema:
object_schema.add(name)
yield name, field
assignable = IBehaviorAssignable(obj, None)
if assignable:
for behavior in assignable.enumerateBehaviors():
for name, field in getFields(behavior.interface).items():
if name not in object_schema:
object_schema.add(name)
yield name, field
def get_behaviors(brain_or_object):
"""Iterate over all behaviors that are assigned to the object
:param brain_or_object: A single catalog brain or content object
:type brain_or_object: ATContentType/DexterityContentType/CatalogBrain
:returns: Behaviors
:rtype: list
"""
obj = get_object(brain_or_object)
if not is_dexterity_content(obj):
fail(400, "Only Dexterity contents can have assigned behaviors")
assignable = IBehaviorAssignable(obj, None)
if not assignable:
return {}
out = {}
for behavior in assignable.enumerateBehaviors():
for name, field in getFields(behavior.interface).items():
out[name] = field
return out
def fieldFilter():
portal_type = self.context.getPortalTypeName()
fti = getUtility(IDexterityFTI, name=portal_type)
schema = fti.lookupSchema()
fields = getFieldsInOrder(schema)
assignable = IBehaviorAssignable(self.context, None)
for behavior in assignable.enumerateBehaviors():
if behavior.marker:
new_fields = getFieldsInOrder(behavior.marker)
if len(new_fields) > 0:
fields = fields + new_fields
obj_fields = []
for key, value in fields:
is_image = INamedImageField.providedBy(value)
is_file = INamedBlobFileField.providedBy(value)
if is_image or is_file:
obj_fields.append(value)
return obj_fields
def all_dexterity_fieldnames(obj):
"the schema from FTI plus query IBehaviorAssignable"
try:
typename = obj.getPortalTypeName()
fti = getUtility(IDexterityFTI, name=typename)
except ComponentLookupError as exc:
# has no fti, what is this, an ancient Archetype?
return []
schema = fti.lookupSchema()
fields = [getFieldsInOrder(schema)]
behavior_assignable = IBehaviorAssignable(obj)
if behavior_assignable:
behaviors = behavior_assignable.enumerateBehaviors()
for behavior in behaviors:
fields.append(getFieldsInOrder(behavior.interface))
return [fn for fn, f in chain(*fields)]
def get_fields(brain_or_object):
"""Get a name to field mapping of the object
:param brain_or_object: A single catalog brain or content object
:type brain_or_object: ATContentType/DexterityContentType/CatalogBrain
:returns: Mapping of name -> field
:rtype: OrderedDict
"""
obj = get_object(brain_or_object)
schema = get_schema(obj)
if is_dexterity_content(obj):
# get the fields directly provided by the interface
fields = getFieldsInOrder(schema)
# append the fields coming from behaviors
behavior_assignable = IBehaviorAssignable(obj)
if behavior_assignable:
behaviors = behavior_assignable.enumerateBehaviors()
for behavior in behaviors:
fields.extend(getFieldsInOrder(behavior.interface))
return OrderedDict(fields)
return OrderedDict(schema)
def getBehaviorsFor(context=None, portal_type=None):
if context is None and portal_type is None:
return
if context is None:
fti = getUtility(IDexterityFTI, name=portal_type)
for behavior_name in fti.behaviors:
behavior_interface = None
behavior_instance = queryUtility(IBehavior, name=behavior_name)
if not behavior_instance:
try:
behavior_interface = resolveDottedName(behavior_name)
except (ValueError, ImportError):
continue
else:
behavior_interface = behavior_instance.interface
if behavior_interface is not None:
yield behavior_interface
else:
behavior_assignable = IBehaviorAssignable(context, None)
for behavior_reg in behavior_assignable.enumerateBehaviors():
yield behavior_reg.interface
def extract_relations(obj):
assignable = IBehaviorAssignable(obj, None)
if assignable is None:
return
for behavior in assignable.enumerateBehaviors():
if behavior.marker == behavior.interface:
continue
for name, field in getFields(behavior.interface).items():
if IRelation.providedBy(field):
try:
relation = getattr(behavior.interface(obj), name)
except AttributeError:
continue
yield behavior.interface, name, relation
if IRelationList.providedBy(field):
try:
rel_list = getattr(behavior.interface(obj), name)
except AttributeError:
continue
if rel_list is not None:
for relation in rel_list:
yield behavior.interface, name, relation
def getAdditionalSchemata(context=None, portal_type=None):
"""Get additional schemata for this context or this portal_type.
Additional form field schemata can be defined in behaviors.
Usually either context or portal_type should be set, not both.
The idea is that for edit forms or views you pass in a context
(and we get the portal_type from there) and for add forms you pass
in a portal_type (and the context is irrelevant then). If both
are set, the portal_type might get ignored, depending on which
code path is taken.
"""
log.debug("getAdditionalSchemata with context %r and portal_type %s",
context, portal_type)
if context is None and portal_type is None:
return
if context:
behavior_assignable = IBehaviorAssignable(context, None)
else:
behavior_assignable = None
if behavior_assignable is None:
log.debug("No behavior assignable found, only checking fti.")
# Usually an add-form.
if portal_type is None:
portal_type = context.portal_type
for schema_interface in SCHEMA_CACHE.behavior_schema_interfaces(
portal_type
):
form_schema = IFormFieldProvider(schema_interface, None)
if form_schema is not None:
yield form_schema
else:
log.debug("Behavior assignable found for context.")
for behavior_reg in behavior_assignable.enumerateBehaviors():
form_schema = IFormFieldProvider(behavior_reg.interface, None)
if form_schema is not None:
yield form_schema
def __get__(self, inst, cls=None):
# We're looking at a class - fall back on default
if inst is None:
return getObjectSpecification(cls)
direct_spec = getattr(inst, '__provides__', None)
# avoid recursion - fall back on default
if getattr(self, '__recursion__', False):
return direct_spec
spec = direct_spec
# If the instance doesn't have a __provides__ attribute, get the
# interfaces implied by the class as a starting point.
if spec is None:
spec = implementedBy(cls)
# Find the data we need to know if our cache needs to be invalidated
portal_type = getattr(inst, 'portal_type', None)
# If the instance has no portal type, then we're done.
if portal_type is None:
return spec
# Find the cached value. This calculation is expensive and called
# hundreds of times during each request, so we require a fast cache
cache = getattr(inst, '_v__providedBy__', None)
# See if we have a current cache. Reasons to do this include:
#
# - The FTI was modified.
# - The instance was modified and persisted since the cache was built.
# - The instance has a different direct specification.
updated = (inst._p_mtime, SCHEMA_CACHE.modified(portal_type),
SCHEMA_CACHE.invalidations, hash(direct_spec))
if cache is not None and cache[:-1] == updated:
if cache[-1] is not None:
return cache[-1]
return spec
main_schema = SCHEMA_CACHE.get(portal_type)
if main_schema:
dynamically_provided = [main_schema]
else:
dynamically_provided = []
# block recursion
self.__recursion__ = True
try:
assignable = IBehaviorAssignable(inst, None)
if assignable is not None:
for behavior_registration in assignable.enumerateBehaviors():
if behavior_registration.marker:
dynamically_provided.append(
behavior_registration.marker)
finally:
del self.__recursion__
if not dynamically_provided:
# rare case if no schema nor behaviors with markers are set
inst._v__providedBy__ = updated + (None, )
return spec
dynamically_provided.append(spec)
all_spec = Implements(*dynamically_provided)
inst._v__providedBy__ = updated + (all_spec, )
return all_spec
