def validate(self, obj, data, value, ctx=None):
if ctx is None:
ctx = {}
errors = []
if isinstance(value, str):
try:
value = deserialize(value)
except json.JSONDecodeError:
raise exceptions.ValidationError(
_('Does not appear to be valid json.'))
if self.many and not isinstance(value, (list, tuple)):
raise exceptions.ValidationError(_('Value must be a list.'))
if not self.many:
try:
self.serializer.validate(obj=obj, data=value, ctx=ctx)
except exceptions.ValidationError as exception:
errors.append(exception.description)
else:
for item in value:
try:
self.serializer.validate(obj=obj, data=item, ctx=ctx)
except exceptions.ValidationError as exception:
errors.append(exception.description)
if errors:
raise exceptions.ValidationError(errors)
def test_serialize_uuid(self):
d = uuid.UUID('abea9b06-43a1-4e84-ad75-fc0346a64497')
data = {
'uuid': d,
}
res = json.deserialize(json.serialize(data))
self.assertEqual(res['uuid'], 'abea9b06-43a1-4e84-ad75-fc0346a64497')
def test_serialize_datetime(self):
d = datetime.datetime(2016, 1, 1, 10, 32, 1)
data = {
'date': d,
}
res = json.deserialize(json.serialize(data))
self.assertEqual(res['date'], '2016-01-01T10:32:01')
def validate_fields(self, obj, data, value, ctx=None):
if isinstance(value, str):
value = deserialize(value)
if self.validator and value:
if self.many:
for item in value:
self.validator.validate(obj=obj, data=item, ctx=ctx)
else:
self.validator.validate(obj=obj, data=value, ctx=ctx)
def to_python(self, obj, data, value, ctx=None):
items = []
if isinstance(value, str):
value = deserialize(value)
if self.many:
for item in value:
items.append(self.serializer.save(obj=obj, data=item, ctx=ctx))
else:
items.append(self.serializer.save(obj=obj, data=value, ctx=ctx))
return items if self.many else items[0]
def validate_structure(self, obj, data, value, ctx=None):
if self.nullable and value is None:
return value
if isinstance(value, str):
try:
value = deserialize(value)
except json.JSONDecodeError:
raise exceptions.ValidationError(
_('Does not appear to be valid json.'))
if self.many and not isinstance(value, (list, tuple)):
raise exceptions.ValidationError(_('Must be a list.'))
def to_python(self, obj, data, value, ctx=None):
if isinstance(value, str):
value = deserialize(value)
items = []
if self.validator:
if self.many:
if value:
for item in value:
items.append(self.validator.validate(data=item))
else:
items.append(self.validator.validate(data=value))
else:
return value
return items if self.many else items[0]
def to_data(self, obj, value, ctx=None):
if isinstance(value, str):
value = deserialize(value)
return value
