From 4ef3aaf0ad0e31efe13d3c503a7099915a7c8875 Mon Sep 17 00:00:00 2001 From: Tom Christie Date: Fri, 22 Mar 2024 08:40:34 +0000 Subject: [PATCH] Revert #9030 (#9333) * Revert #9030 * Fix test case --- docs/api-guide/fields.md | 8 -- rest_framework/metadata.py | 4 - rest_framework/utils/field_mapping.py | 4 - tests/test_metadata.py | 129 -------------------------- tests/test_model_serializer.py | 6 +- 5 files changed, 3 insertions(+), 148 deletions(-) diff --git a/docs/api-guide/fields.md b/docs/api-guide/fields.md index ea944e1fff..94b6e7c21a 100644 --- a/docs/api-guide/fields.md +++ b/docs/api-guide/fields.md @@ -68,14 +68,6 @@ When serializing the instance, default will be used if the object attribute or d Note that setting a `default` value implies that the field is not required. Including both the `default` and `required` keyword arguments is invalid and will raise an error. -Notes regarding default value propagation from model to serializer: - -All the default values from model will pass as default to the serializer and the options method. - -If the default is callable then it will be propagated to & evaluated every time in the serializer but not in options method. - -If the value for given field is not given then default value will be present in the serializer and available in serializer's methods. Specified validation on given field will be evaluated on default value as that field will be present in the serializer. - ### `allow_null` Normally an error will be raised if `None` is passed to a serializer field. Set this keyword argument to `True` if `None` should be considered a valid value. diff --git a/rest_framework/metadata.py b/rest_framework/metadata.py index fd0f4e163d..364ca5b14d 100644 --- a/rest_framework/metadata.py +++ b/rest_framework/metadata.py @@ -11,7 +11,6 @@ from django.utils.encoding import force_str from rest_framework import exceptions, serializers -from rest_framework.fields import empty from rest_framework.request import clone_request from rest_framework.utils.field_mapping import ClassLookupDict @@ -150,7 +149,4 @@ def get_field_info(self, field): for choice_value, choice_name in field.choices.items() ] - if getattr(field, 'default', None) and field.default != empty and not callable(field.default): - field_info['default'] = field.default - return field_info diff --git a/rest_framework/utils/field_mapping.py b/rest_framework/utils/field_mapping.py index 30bb65e0cf..fc63f96fe0 100644 --- a/rest_framework/utils/field_mapping.py +++ b/rest_framework/utils/field_mapping.py @@ -9,7 +9,6 @@ from django.utils.text import capfirst from rest_framework.compat import postgres_fields -from rest_framework.fields import empty from rest_framework.validators import UniqueValidator NUMERIC_FIELD_TYPES = ( @@ -128,9 +127,6 @@ def get_field_kwargs(field_name, model_field): kwargs['read_only'] = True return kwargs - if model_field.default is not None and model_field.default != empty and not callable(model_field.default): - kwargs['default'] = model_field.default - if model_field.has_default() or model_field.blank or model_field.null: kwargs['required'] = False diff --git a/tests/test_metadata.py b/tests/test_metadata.py index 387b9ecded..1bdc8697c4 100644 --- a/tests/test_metadata.py +++ b/tests/test_metadata.py @@ -184,135 +184,6 @@ def get_serializer(self): assert response.status_code == status.HTTP_200_OK assert response.data == expected - def test_actions_with_default(self): - """ - On generic views OPTIONS should return an 'actions' key with metadata - on the fields with default that may be supplied to PUT and POST requests. - """ - class NestedField(serializers.Serializer): - a = serializers.IntegerField(default=2) - b = serializers.IntegerField() - - class ExampleSerializer(serializers.Serializer): - choice_field = serializers.ChoiceField(['red', 'green', 'blue'], default='red') - integer_field = serializers.IntegerField( - min_value=1, max_value=1000, default=1 - ) - char_field = serializers.CharField( - min_length=3, max_length=40, default="example" - ) - list_field = serializers.ListField( - child=serializers.ListField( - child=serializers.IntegerField(default=1) - ) - ) - nested_field = NestedField() - uuid_field = serializers.UUIDField(label="UUID field") - - class ExampleView(views.APIView): - """Example view.""" - def post(self, request): - pass - - def get_serializer(self): - return ExampleSerializer() - - view = ExampleView.as_view() - response = view(request=request) - expected = { - 'name': 'Example', - 'description': 'Example view.', - 'renders': [ - 'application/json', - 'text/html' - ], - 'parses': [ - 'application/json', - 'application/x-www-form-urlencoded', - 'multipart/form-data' - ], - 'actions': { - 'POST': { - 'choice_field': { - 'type': 'choice', - 'required': False, - 'read_only': False, - 'label': 'Choice field', - "choices": [ - {'value': 'red', 'display_name': 'red'}, - {'value': 'green', 'display_name': 'green'}, - {'value': 'blue', 'display_name': 'blue'} - ], - 'default': 'red' - }, - 'integer_field': { - 'type': 'integer', - 'required': False, - 'read_only': False, - 'label': 'Integer field', - 'min_value': 1, - 'max_value': 1000, - 'default': 1 - }, - 'char_field': { - 'type': 'string', - 'required': False, - 'read_only': False, - 'label': 'Char field', - 'min_length': 3, - 'max_length': 40, - 'default': 'example' - }, - 'list_field': { - 'type': 'list', - 'required': True, - 'read_only': False, - 'label': 'List field', - 'child': { - 'type': 'list', - 'required': True, - 'read_only': False, - 'child': { - 'type': 'integer', - 'required': False, - 'read_only': False, - 'default': 1 - } - } - }, - 'nested_field': { - 'type': 'nested object', - 'required': True, - 'read_only': False, - 'label': 'Nested field', - 'children': { - 'a': { - 'type': 'integer', - 'required': False, - 'read_only': False, - 'label': 'A', - 'default': 2 - }, - 'b': { - 'type': 'integer', - 'required': True, - 'read_only': False, - 'label': 'B' - } - } - }, - 'uuid_field': { - 'type': 'string', - 'required': True, - 'read_only': False, - 'label': 'UUID field' - } - } - } - } - assert response.status_code == status.HTTP_200_OK - assert response.data == expected - def test_global_permissions(self): """ If a user does not have global permissions on an action, then any diff --git a/tests/test_model_serializer.py b/tests/test_model_serializer.py index 5b6551a986..d69f1652d4 100644 --- a/tests/test_model_serializer.py +++ b/tests/test_model_serializer.py @@ -174,7 +174,7 @@ class Meta: TestSerializer\(\): auto_field = IntegerField\(read_only=True\) big_integer_field = IntegerField\(.*\) - boolean_field = BooleanField\(default=False, required=False\) + boolean_field = BooleanField\(required=False\) char_field = CharField\(max_length=100\) comma_separated_integer_field = CharField\(max_length=100, validators=\[\]\) date_field = DateField\(\) @@ -183,7 +183,7 @@ class Meta: email_field = EmailField\(max_length=100\) float_field = FloatField\(\) integer_field = IntegerField\(.*\) - null_boolean_field = BooleanField\(allow_null=True, default=False, required=False\) + null_boolean_field = BooleanField\(allow_null=True, required=False\) positive_integer_field = IntegerField\(.*\) positive_small_integer_field = IntegerField\(.*\) slug_field = SlugField\(allow_unicode=False, max_length=100\) @@ -210,7 +210,7 @@ class Meta: length_limit_field = CharField\(max_length=12, min_length=3\) blank_field = CharField\(allow_blank=True, max_length=10, required=False\) null_field = IntegerField\(allow_null=True,.*required=False\) - default_field = IntegerField\(default=0,.*required=False\) + default_field = IntegerField\(.*required=False\) descriptive_field = IntegerField\(help_text='Some help text', label='A label'.*\) choices_field = ChoiceField\(choices=(?:\[|\()\('red', 'Red'\), \('blue', 'Blue'\), \('green', 'Green'\)(?:\]|\))\) text_choices_field = ChoiceField\(choices=(?:\[|\()\('red', 'Red'\), \('blue', 'Blue'\), \('green', 'Green'\)(?:\]|\))\)