diff options
Diffstat (limited to 'rest_framework/serializers.py')
| -rw-r--r-- | rest_framework/serializers.py | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py index 9cb548a5..9709d56d 100644 --- a/rest_framework/serializers.py +++ b/rest_framework/serializers.py @@ -21,7 +21,7 @@ from django.core.paginator import Page from django.db import models from django.forms import widgets from django.utils.datastructures import SortedDict -from rest_framework.compat import get_concrete_model, six +from rest_framework.compat import six from rest_framework.settings import api_settings @@ -181,7 +181,7 @@ class BaseSerializer(WritableField): _dict_class = SortedDictWithMetadata def __init__(self, instance=None, data=None, files=None, - context=None, partial=False, many=None, + context=None, partial=False, many=False, allow_add_remove=False, **kwargs): super(BaseSerializer, self).__init__(**kwargs) self.opts = self._options_class(self.Meta) @@ -411,12 +411,7 @@ class BaseSerializer(WritableField): if value is None: return None - if self.many is not None: - many = self.many - else: - many = hasattr(value, '__iter__') and not isinstance(value, (Page, dict, six.text_type)) - - if many: + if self.many: return [self.to_native(item) for item in value] return self.to_native(value) @@ -662,7 +657,7 @@ class ModelSerializer(Serializer): cls = self.opts.model assert cls is not None, \ "Serializer class '%s' is missing 'model' Meta option" % self.__class__.__name__ - opts = get_concrete_model(cls)._meta + opts = cls._meta.concrete_model._meta ret = SortedDict() nested = bool(self.opts.depth) @@ -695,10 +690,10 @@ class ModelSerializer(Serializer): if len(inspect.getargspec(self.get_nested_field).args) == 2: warnings.warn( 'The `get_nested_field(model_field)` call signature ' - 'is due to be deprecated. ' + 'is deprecated. ' 'Use `get_nested_field(model_field, related_model, ' 'to_many) instead', - PendingDeprecationWarning + DeprecationWarning ) field = self.get_nested_field(model_field) else: @@ -707,10 +702,10 @@ class ModelSerializer(Serializer): if len(inspect.getargspec(self.get_nested_field).args) == 3: warnings.warn( 'The `get_related_field(model_field, to_many)` call ' - 'signature is due to be deprecated. ' + 'signature is deprecated. ' 'Use `get_related_field(model_field, related_model, ' 'to_many) instead', - PendingDeprecationWarning + DeprecationWarning ) field = self.get_related_field(model_field, to_many=to_many) else: @@ -871,6 +866,10 @@ class ModelSerializer(Serializer): issubclass(model_field.__class__, models.PositiveSmallIntegerField): kwargs['min_value'] = 0 + if model_field.null and \ + issubclass(model_field.__class__, (models.CharField, models.TextField)): + kwargs['allow_none'] = True + attribute_dict = { models.CharField: ['max_length'], models.CommaSeparatedIntegerField: ['max_length'], @@ -897,7 +896,7 @@ class ModelSerializer(Serializer): Return a list of field names to exclude from model validation. """ cls = self.opts.model - opts = get_concrete_model(cls)._meta + opts = cls._meta.concrete_model._meta exclusions = [field.name for field in opts.fields + opts.many_to_many] for field_name, field in self.fields.items(): |