class HyperLinkedRelationalSerializer(serializers.HyperlinkedModelSerializer):
_options_class = HyperLinkedRelationalSerializerOptions
def __init__(self, *args, **kwargs):
super(HyperLinkedRelationalSerializer, self).__init__(*args, **kwargs)
hyperlink_args = {
key: value
for key, value in kwargs.items() if key not in FIELD_KEYS
}
hyperlink_args["view_name"] = self.opts.view_name
hyperlink_args["queryset"] = self.opts.queryset
self.hyperlinked_related_field = HyperlinkedRelatedField(
**hyperlink_args)
def initialize(self, *args, **kwargs):
self.hyperlinked_related_field.initialize(**kwargs)
return super(HyperLinkedRelationalSerializer,
self).initialize(**kwargs)
def field_from_native(self, data, files, field_name, into):
"""
Override default so that the serializer can be used as a writable
nested field across relationships.
"""
if self.read_only:
return
data_fields = data.get(field_name, None)
if not data_fields and self.required:
raise ValidationError("%s is required" % field_name)
if data_fields:
if self.many:
into[field_name] = []
for data_field in data_fields:
if isinstance(data_field, str) or isinstance(
data_field, unicode):
into[field_name].append(
self.hyperlinked_related_field.from_native(
data_field))
else:
into[field_name].append(
super(HyperLinkedRelationalSerializer,
self).field_from_native(
data, files, field_name, into))
else:
if isinstance(data_fields, str) or isinstance(
data_fields, unicode):
into[
field_name] = self.hyperlinked_related_field.from_native(
data_fields)
class HyperLinkedRelationalSerializer(serializers.HyperlinkedModelSerializer):
_options_class = HyperLinkedRelationalSerializerOptions
def __init__(self, *args, **kwargs):
super(HyperLinkedRelationalSerializer, self).__init__(*args, **kwargs)
hyperlink_args = {key: value for key, value in kwargs.items() if key not in FIELD_KEYS}
hyperlink_args["view_name"] = self.opts.view_name
hyperlink_args["queryset"] = self.opts.queryset
self.hyperlinked_related_field = HyperlinkedRelatedField(**hyperlink_args)
def initialize(self, *args, **kwargs):
self.hyperlinked_related_field.initialize(**kwargs)
return super(HyperLinkedRelationalSerializer, self).initialize(**kwargs)
def field_from_native(self, data, files, field_name, into):
"""
Override default so that the serializer can be used as a writable
nested field across relationships.
"""
if self.read_only:
return
data_fields = data.get(field_name, None)
if not data_fields and self.required:
raise ValidationError("%s is required" % field_name)
if data_fields:
if self.many:
into[field_name] = []
for data_field in data_fields:
if isinstance(data_field, str) or isinstance(data_field, unicode):
into[field_name].append(self.hyperlinked_related_field.from_native(data_field))
else:
into[field_name].append(super(HyperLinkedRelationalSerializer, self).field_from_native(data, files, field_name, into))
else:
if isinstance(data_fields, str) or isinstance(data_fields, unicode):
into[field_name] = self.hyperlinked_related_field.from_native(data_fields)
def get_data_basket(self, DATA, format):
"Parse basket from relation hyperlink"
basket_parser = HyperlinkedRelatedField(view_name='basket-detail',
queryset=Basket.objects,
format=format)
try:
basket_uri = DATA.get('basket')
data_basket = basket_parser.from_native(basket_uri)
except ValidationError as e:
raise exceptions.NotAcceptable(e.messages)
else:
return data_basket
def get_data_basket(self, DATA, format):
"Parse basket from relation hyperlink"
basket_parser = HyperlinkedRelatedField(
view_name='basket-detail',
queryset=Basket.objects,
format=format
)
try:
basket_uri = DATA.get('basket')
data_basket = basket_parser.from_native(basket_uri)
except ValidationError as e:
raise exceptions.NotAcceptable(e.messages)
else:
return data_basket