Class JSONBoundField

rest_framework/utils/serializer_helpers.py:98–111

class JSONBoundField(BoundField):
    def as_form_field(self):
        value = self.value
        # When HTML form input is used and the input is not valid
        # value will be a JSONString, rather than a JSON primitive.
        if not getattr(value, 'is_json_string', False):
            with contextlib.suppress(TypeError, ValueError):
                value = json.dumps(
                    self.value,
                    sort_keys=True,
                    indent=4,
                    separators=(',', ': '),
                )
        return self.__class__(self._field, value, self.errors, self._prefix)


class NestedBoundField(BoundField):