def to_representation(self, value):
fields = copy.deepcopy(self._declared_fields)
return {
key: field.to_representation(val) if val is not None else None
for key, val, field in ((six.text_type(key), val, fields.get(key, self.child)) for key, val in value.items())
if not field.write_only
}
def run_child_validation(self, data):
result = {}
if not data and self.allow_blank:
return result
errors = collections.OrderedDict()
fields = copy.deepcopy(self._declared_fields)
keys = set(fields.keys()) | set(data.keys())
for key in keys:
value = data.get(key, empty)
key = six.text_type(key)
field = fields.get(key, self.child)
try:
if field.read_only:
continue # Ignore read_only fields, as Serializer seems to do.
result[key] = field.run_validation(value)
except ValidationError as e:
errors[key] = e.detail
except SkipField:
pass
if not errors:
return result
raise ValidationError(errors)
