def __get__(self, instance, owner):
"""Descriptor to automatically dereference references."""
if instance is None:
# Document class being used rather than a document object
return self
ReferenceField = _import_class("ReferenceField")
GenericReferenceField = _import_class("GenericReferenceField")
EmbeddedDocumentListField = _import_class("EmbeddedDocumentListField")
auto_dereference = instance._fields[self.name]._auto_dereference
dereference = auto_dereference and (
self.field is None
or isinstance(self.field, (GenericReferenceField, ReferenceField))
)
if (
instance._initialised
and dereference
and instance._data.get(self.name)
and not getattr(instance._data[self.name], "_dereferenced", False)
):
ref_values = instance._data.get(self.name)
instance._data[self.name] = self._lazy_load_refs(
ref_values=ref_values, instance=instance, name=self.name, max_depth=1
)
if hasattr(instance._data[self.name], "_dereferenced"):
instance._data[self.name]._dereferenced = True
value = super().__get__(instance, owner)
# Convert lists / values so we can watch for any changes on them
if isinstance(value, (list, tuple)):
if issubclass(type(self), EmbeddedDocumentListField) and not isinstance(
value, EmbeddedDocumentList
):
value = EmbeddedDocumentList(value, instance, self.name)
elif not isinstance(value, BaseList):
value = BaseList(value, instance, self.name)
instance._data[self.name] = value
elif isinstance(value, dict) and not isinstance(value, BaseDict):
value = BaseDict(value, instance, self.name)
instance._data[self.name] = value
if (
auto_dereference
and instance._initialised
and isinstance(value, (BaseList, BaseDict))
and not value._dereferenced
):
value = self._lazy_load_refs(
ref_values=value, instance=instance, name=self.name, max_depth=1
)
value._dereferenced = True
instance._data[self.name] = value
return value
def __get__(self, instance, owner):
"""Descriptor to automatically dereference references."""
if instance is None:
# Document class being used rather than a document object
return self
ReferenceField = _import_class('ReferenceField')
GenericReferenceField = _import_class('GenericReferenceField')
EmbeddedDocumentListField = _import_class('EmbeddedDocumentListField')
auto_dereference = instance._fields[self.name]._auto_dereference
dereference = (auto_dereference and
(self.field is None or isinstance(self.field,
(GenericReferenceField, ReferenceField))))
_dereference = _import_class('DeReference')()
if (instance._initialised and
dereference and
instance._data.get(self.name) and
not getattr(instance._data[self.name], '_dereferenced', False)):
instance._data[self.name] = _dereference(
instance._data.get(self.name), max_depth=1, instance=instance,
name=self.name
)
if hasattr(instance._data[self.name], '_dereferenced'):
instance._data[self.name]._dereferenced = True
value = super(ComplexBaseField, self).__get__(instance, owner)
# Convert lists / values so we can watch for any changes on them
if isinstance(value, (list, tuple)):
if (issubclass(type(self), EmbeddedDocumentListField) and
not isinstance(value, EmbeddedDocumentList)):
value = EmbeddedDocumentList(value, instance, self.name)
elif not isinstance(value, BaseList):
value = BaseList(value, instance, self.name)
instance._data[self.name] = value
elif isinstance(value, dict) and not isinstance(value, BaseDict):
value = BaseDict(value, instance, self.name)
instance._data[self.name] = value
if (auto_dereference and instance._initialised and
isinstance(value, (BaseList, BaseDict)) and
not value._dereferenced):
value = _dereference(
value, max_depth=1, instance=instance, name=self.name
)
value._dereferenced = True
instance._data[self.name] = value
return value
def __get__(self, instance, owner):
"""Descriptor to automatically dereference references.
"""
if instance is None:
# Document class being used rather than a document object
return self
ReferenceField = _import_class('ReferenceField')
GenericReferenceField = _import_class('GenericReferenceField')
EmbeddedDocumentListField = _import_class('EmbeddedDocumentListField')
dereference = (self._auto_dereference
and (self.field is None or isinstance(
self.field,
(GenericReferenceField, ReferenceField))))
_dereference = _import_class("DeReference")()
self._auto_dereference = instance._fields[self.name]._auto_dereference
if instance._initialised and dereference and instance._data.get(
self.name):
instance._data[self.name] = _dereference(instance._data.get(
self.name),
max_depth=1,
instance=instance,
name=self.name)
value = super(ComplexBaseField, self).__get__(instance, owner)
# Convert lists / values so we can watch for any changes on them
if isinstance(value, (list, tuple)):
if (issubclass(type(self), EmbeddedDocumentListField)
and not isinstance(value, EmbeddedDocumentList)):
value = EmbeddedDocumentList(value, instance, self.name)
elif not isinstance(value, BaseList):
value = BaseList(value, instance, self.name)
instance._data[self.name] = value
elif isinstance(value, dict) and not isinstance(value, BaseDict):
value = BaseDict(value, instance, self.name)
instance._data[self.name] = value
if (self._auto_dereference and instance._initialised
and isinstance(value, (BaseList, BaseDict))
and not value._dereferenced):
value = _dereference(value,
max_depth=1,
instance=instance,
name=self.name)
value._dereferenced = True
instance._data[self.name] = value
return value