def set_value(self, value):
if value is None:
return
elif isinstance(value, Iterable):
values = value
elif isinstance(value, (QuerySet, Manager)):
if self.only_fields or self.exclude:
local_fields = get_local_fields(value.model)
related_fields = get_related_fields(value.model)
only_fields = [f.name for f in local_fields]
if self.only_fields:
only_fields = [f for f in only_fields if f in self.only_fields]
exclude_fields = [f.name for f in local_fields if f.name in self.exclude]
if exclude_fields:
only_fields = [f for f in only_fields if f not in exclude_fields]
only_fields += [f.name for f in related_fields]
# .only() returns a QuerySet of RelatedDjangoModel_Deferred objects?
values = value.only(*only_fields)
else:
values = value.all()
else:
return
self.items[:] = []
self._native_items[:] = []
self._python_items[:] = []
for item in values:
self.add_item(source=item)
def set_fields_from_model(cls, new_class, fields, meta):
if django_models is None or meta.model is None:
return
meta.parents.handle(meta.model)
all_field_names = cls.get_all_fieldnames(fields)
for model_field in django_utils.get_local_fields(meta.model):
if model_field.name not in all_field_names:
serializer_field = cls.add_local_model_field(fields, model_field, meta=meta)
if serializer_field:
setattr(new_class, model_field.name, serializer_field)
for model_field in django_utils.get_related_fields(meta.model):
if model_field.name not in all_field_names:
serializer_field = cls.add_relation_model_field(fields, model_field, meta=meta)
if serializer_field:
setattr(new_class, model_field.name, serializer_field)
for model_field in django_utils.get_reverse_related_fields(meta.model):
field_name = django_utils.get_reverse_related_name_from_field(model_field)
if field_name not in all_field_names:
serializer_field = cls.add_reverse_relation_model_field(fields, model_field, meta=meta)
if serializer_field:
setattr(new_class, field_name, serializer_field)