def __call__(self, request):
system = ResourceTreeTraverser.__call__(self, request)
context = system['context']
view_name = system['view_name']
if IResource.providedBy(context) and '.' in view_name: # pylint: disable=E1101
rc_name, repr_name = view_name.split('.')
try:
child_rc = context[rc_name]
except KeyError:
pass
else:
if IResource.providedBy(child_rc): # pylint: disable=E1101
system['context'] = child_rc
system['view_name'] = repr_name
return system
def __call__(self, request):
system = ModelGraphTraverser.__call__(self, request)
context = system['context']
view_name = system['view_name']
if IResource.providedBy(context) and '.' in view_name: # pylint: disable=E1101
rc_name, repr_name = view_name.split('.')
try:
child_rc = context[rc_name]
except KeyError:
pass
else:
if IResource.providedBy(child_rc): # pylint: disable=E1101
system['context'] = child_rc
system['view_name'] = repr_name
return system
def is_satisfied_by(self, candidate):
cand_value = self._get_candidate_value(candidate)
if IResource.providedBy(self.__attr_value): # pylint: disable=E1101
attr_value = self.__attr_value.get_entity()
else:
attr_value = self.__attr_value
return self.operator.apply(cand_value, attr_value)
def is_satisfied_by(self, candidate):
cand_value = self._get_candidate_value(candidate)
if IResource.providedBy(self.__attr_value): # pylint: disable=E1101
attr_value = self.__attr_value.get_entity()
else:
attr_value = self.__attr_value
return self.operator.apply(cand_value, attr_value)
def __preprocess_value(self, value):
if isinstance(value, basestring):
result = '"%s"' % value
elif IResource.providedBy(value): # pylint: disable=E1101
result = resource_to_url(value)
else:
result = str(value)
return result
def __preprocess_value(self, value):
if isinstance(value, string_types):
result = '"%s"' % value
elif IResource.providedBy(value): # pylint: disable=E1101
result = '"%s"' % resource_to_url(value)
else:
result = str(value)
return result
def make_relationship(self, relator, direction=RELATIONSHIP_DIRECTIONS.BIDIRECTIONAL):
"""
Create a relationship object for this attribute from the given
relator and relationship direction.
"""
if IEntity.providedBy(relator): # pylint:disable=E1101
rel = DomainRelationship(relator, self, direction=direction)
elif IResource.providedBy(relator): # pylint:disable=E1101
rel = ResourceRelationship(relator, self, direction=direction)
else:
raise ValueError(
'Invalid relator argument "%s" for ' "relationship; must provide IEntity or " "IResource." % relator
)
return rel
def make_relationship(self,
relator,
direction=RELATIONSHIP_DIRECTIONS.BIDIRECTIONAL):
"""
Create a relationship object for this attribute from the given
relator and relationship direction.
"""
if IEntity.providedBy(relator): # pylint:disable=E1101
rel = DomainRelationship(relator, self, direction=direction)
elif IResource.providedBy(relator): # pylint:disable=E1101
rel = ResourceRelationship(relator, self, direction=direction)
else:
raise ValueError('Invalid relator argument "%s" for '
'relationship; must provide IEntity or '
'IResource.' % relator)
return rel
def __build(self, attribute_name, sql_op, *values):
# Builds an SQL expression from the given (possibly dotted)
# attribute name, SQL operation name, and values.
exprs = []
infos = OrmAttributeInspector.inspect(self._entity_class,
attribute_name)
count = len(infos)
for idx, info in enumerate(infos):
kind, entity_attr = info
if idx == count - 1:
#
args = \
[val.get_entity() if IResource.providedBy(val) else val # pylint: disable=E1101
for val in values]
expr = getattr(entity_attr, sql_op)(*args)
elif kind == RESOURCE_ATTRIBUTE_KINDS.MEMBER:
expr = entity_attr.has
exprs.insert(0, expr)
elif kind == RESOURCE_ATTRIBUTE_KINDS.COLLECTION:
expr = entity_attr.any
exprs.insert(0, expr)
return func_reduce(lambda g, h: h(g), exprs, expr)
def __build(self, attribute_name, sql_op, *values):
# Builds an SQL expression from the given (possibly dotted)
# attribute name, SQL operation name, and values.
exprs = []
infos = OrmAttributeInspector.inspect(self._entity_class,
attribute_name)
count = len(infos)
for idx, info in enumerate(infos):
kind, entity_attr = info
if idx == count - 1:
#
args = \
[val.get_entity() if IResource.providedBy(val) else val # pylint: disable=E1101
for val in values]
expr = getattr(entity_attr, sql_op)(*args)
elif kind == RESOURCE_ATTRIBUTE_KINDS.MEMBER:
expr = entity_attr.has
exprs.insert(0, expr)
elif kind == RESOURCE_ATTRIBUTE_KINDS.COLLECTION:
expr = entity_attr.any
exprs.insert(0, expr)
return func_reduce(lambda g, h: h(g), exprs, expr)
