def _convert_to_entity(self):
init_map = {}
nested_map = {}
mapped_class = self._data.mapping.mapped_class
for attr in \
self.__mapping.attribute_iterator(mapped_class=mapped_class,
key=self.__attribute_key):
try:
val = self._get_proxied_attribute_value(attr)
except AttributeError:
continue
else:
attr_name = attr.entity_attr
if not '.' in attr_name:
init_map[attr_name] = val
else:
nested_map[attr_name] = val
ent_cls = get_entity_class(mapped_class)
entity = ent_cls.create_from_data(init_map)
for nested_name, nested_value in iteritems_(nested_map):
set_nested_attribute(entity, nested_name, nested_value)
return entity
def __action_one_direction(self, cardinality_relatee, rel_op,
relator, related, attr_name, safe):
if cardinality_relatee == CARDINALITY_CONSTANTS.ONE:
if rel_op == RELATION_OPERATIONS.ADD:
set_nested_attribute(relator, attr_name, related)
elif rel_op == RELATION_OPERATIONS.REMOVE:
set_nested_attribute(relator, attr_name, None)
else:
relatee = get_nested_attribute(relator, attr_name)
if rel_op == RELATION_OPERATIONS.ADD:
if not (safe and related in relatee):
# FIXME: Assuming a list here.
relatee.append(related)
elif rel_op == RELATION_OPERATIONS.REMOVE:
# FIXME: Assuming a list here.
if safe:
try:
relatee.remove(related)
except ValueError:
pass
else:
relatee.remove(related)
def _convert_to_entity(self):
init_map = {}
nested_map = {}
mapped_class = self._data.mapping.mapped_class
for attr in \
self.__mapping.attribute_iterator(mapped_class=mapped_class,
key=self.__attribute_key):
try:
val = self._get_proxied_attribute_value(attr)
except AttributeError:
continue
else:
attr_name = attr.entity_attr
if not '.' in attr_name:
init_map[attr_name] = val
else:
nested_map[attr_name] = val
ent_cls = get_entity_class(mapped_class)
entity = ent_cls.create_from_data(init_map)
for nested_name, nested_value in iteritems_(nested_map):
set_nested_attribute(entity, nested_name, nested_value)
return entity
def __action_one_direction(self, cardinality_relatee, rel_op, relator,
related, attr_name, safe):
if cardinality_relatee == CARDINALITY_CONSTANTS.ONE:
if rel_op == RELATION_OPERATIONS.ADD:
set_nested_attribute(relator, attr_name, related)
elif rel_op == RELATION_OPERATIONS.REMOVE:
set_nested_attribute(relator, attr_name, None)
else:
relatee = get_nested_attribute(relator, attr_name)
if rel_op == RELATION_OPERATIONS.ADD:
if not (safe and related in relatee):
# FIXME: Assuming a list here.
relatee.append(related)
elif rel_op == RELATION_OPERATIONS.REMOVE:
# FIXME: Assuming a list here.
if safe:
try:
relatee.remove(related)
except ValueError:
pass
else:
relatee.remove(related)
def set_state_data(cls, entity, data):
"""
Sets the state data for the given entity to the given data.
This also works for unmanaged entities.
"""
attr_names = get_domain_class_attribute_names(type(entity))
nested_items = []
for attr, new_attr_value in iteritems_(data):
if not attr.entity_attr in attr_names:
raise ValueError('Can not set attribute "%s" for entity '
'"%s".' % (attr.entity_attr, entity))
if '.' in attr.entity_attr:
nested_items.append((attr, new_attr_value))
continue
else:
setattr(entity, attr.entity_attr, new_attr_value)
for attr, new_attr_value in nested_items:
try:
set_nested_attribute(entity, attr.entity_attr, new_attr_value)
except AttributeError as exc:
if not new_attr_value is None:
raise exc
def set_state_data(cls, entity, data):
"""
Sets the state data for the given entity to the given data.
This also works for unmanaged entities.
"""
attr_names = get_domain_class_attribute_names(type(entity))
nested_items = []
for attr, new_attr_value in iteritems_(data):
if not attr.entity_attr in attr_names:
raise ValueError('Can not set attribute "%s" for entity '
'"%s".' % (attr.entity_attr, entity))
if '.' in attr.entity_attr:
nested_items.append((attr, new_attr_value))
continue
else:
setattr(entity, attr.entity_attr, new_attr_value)
for attr, new_attr_value in nested_items:
try:
set_nested_attribute(entity, attr.entity_attr, new_attr_value)
except AttributeError as exc:
if not new_attr_value is None:
raise exc
def __set__(self, resource, value):
set_nested_attribute(resource.get_entity(), self.entity_attr, value)
def __set__(self, resource, value):
if not value is None:
ent = value.get_entity()
else:
ent = None
set_nested_attribute(resource.get_entity(), self.entity_attr, ent)
def __set__(self, resource, value):
if not value is None:
ent = value.get_entity()
else:
ent = None
set_nested_attribute(resource.get_entity(), self.entity_attr, ent)
def __set__(self, resource, value):
set_nested_attribute(resource.get_entity(), self.entity_attr, value)
