Merge branch 'version-3.1' into cursor-pagination

This commit is contained in:
Tom Christie 2015-01-21 20:29:58 +00:00
commit 5e52f0fd8c
6 changed files with 58 additions and 17 deletions

View File

@ -60,7 +60,7 @@ For example, you can append `router.urls` to a list of existing views…
router.register(r'accounts', AccountViewSet)
urlpatterns = [
url(r'^forgot-password/$, ForgotPasswordFormView.as_view(),
url(r'^forgot-password/$', ForgotPasswordFormView.as_view(),
]
urlpatterns += router.urls
@ -68,14 +68,14 @@ For example, you can append `router.urls` to a list of existing views…
Alternatively you can use Django's `include` function, like so…
urlpatterns = [
url(r'^forgot-password/$, ForgotPasswordFormView.as_view(),
url(r'^forgot-password/$', ForgotPasswordFormView.as_view(),
url(r'^', include(router.urls))
]
Router URL patterns can also be namespaces.
urlpatterns = [
url(r'^forgot-password/$, ForgotPasswordFormView.as_view(),
url(r'^forgot-password/$', ForgotPasswordFormView.as_view(),
url(r'^api/', include(router.urls, namespace='api'))
]

View File

@ -198,7 +198,7 @@ Open the file `snippets/serializers.py` again, and replace the `SnippetSerialize
model = Snippet
fields = ('id', 'title', 'code', 'linenos', 'language', 'style')
One nice property that serializers have is that you can inspect all the fields in a serializer instance, by printing it's representation. Open the Django shell with `python manage.py shell`, then try the following:
One nice property that serializers have is that you can inspect all the fields in a serializer instance, by printing its representation. Open the Django shell with `python manage.py shell`, then try the following:
>>> from snippets.serializers import SnippetSerializer
>>> serializer = SnippetSerializer()

View File

@ -18,7 +18,7 @@ def unicode_repr(instance):
# Get the repr of an instance, but ensure it is a unicode string
# on both python 3 (already the case) and 2 (not the case).
if six.PY2:
repr(instance).decode('utf-8')
return repr(instance).decode('utf-8')
return repr(instance)

View File

@ -253,7 +253,7 @@ class SerializerMetaclass(type):
# If this class is subclassing another Serializer, add that Serializer's
# fields. Note that we loop over the bases in *reverse*. This is necessary
# in order to maintain the correct order of fields.
for base in bases[::-1]:
for base in reversed(bases):
if hasattr(base, '_declared_fields'):
fields = list(base._declared_fields.items()) + fields
@ -899,7 +899,15 @@ class ModelSerializer(Serializer):
if fields is not None:
# Ensure that all declared fields have also been included in the
# `Meta.fields` option.
for field_name in declared_fields:
# Do not require any fields that are declared a parent class,
# in order to allow serializer subclasses to only include
# a subset of fields.
required_field_names = set(declared_fields)
for cls in self.__class__.__bases__:
required_field_names -= set(getattr(cls, '_declared_fields', []))
for field_name in required_field_names:
assert field_name in fields, (
"The field '{field_name}' was declared on serializer "
"{serializer_class}, but has not been included in the "

View File

@ -105,3 +105,6 @@ class BindingDict(collections.MutableMapping):
def __len__(self):
return len(self.fields)
def __repr__(self):
return dict.__repr__(self.fields)

View File

@ -5,11 +5,14 @@ shortcuts for automatically creating serializers based on a given model class.
These tests deal with ensuring that we correctly map the model fields onto
an appropriate set of serializer fields for each case.
"""
from __future__ import unicode_literals
from django.core.exceptions import ImproperlyConfigured
from django.core.validators import MaxValueValidator, MinValueValidator, MinLengthValidator
from django.db import models
from django.test import TestCase
from django.utils import six
from rest_framework import serializers
from rest_framework.compat import unicode_repr
def dedent(blocktext):
@ -124,7 +127,7 @@ class TestRegularFieldMappings(TestCase):
url_field = URLField(max_length=100)
custom_field = ModelField(model_field=<tests.test_model_serializer.CustomField: custom_field>)
""")
self.assertEqual(repr(TestSerializer()), expected)
self.assertEqual(unicode_repr(TestSerializer()), expected)
def test_field_options(self):
class TestSerializer(serializers.ModelSerializer):
@ -142,7 +145,14 @@ class TestRegularFieldMappings(TestCase):
descriptive_field = IntegerField(help_text='Some help text', label='A label')
choices_field = ChoiceField(choices=[('red', 'Red'), ('blue', 'Blue'), ('green', 'Green')])
""")
self.assertEqual(repr(TestSerializer()), expected)
if six.PY2:
# This particular case is too awkward to resolve fully across
# both py2 and py3.
expected = expected.replace(
"('red', 'Red'), ('blue', 'Blue'), ('green', 'Green')",
"(u'red', u'Red'), (u'blue', u'Blue'), (u'green', u'Green')"
)
self.assertEqual(unicode_repr(TestSerializer()), expected)
def test_method_field(self):
"""
@ -229,6 +239,26 @@ class TestRegularFieldMappings(TestCase):
)
assert str(excinfo.exception) == expected
def test_missing_superclass_field(self):
"""
Fields that have been declared on a parent of the serializer class may
be excluded from the `Meta.fields` option.
"""
class TestSerializer(serializers.ModelSerializer):
missing = serializers.ReadOnlyField()
class Meta:
model = RegularFieldsModel
class ChildSerializer(TestSerializer):
missing = serializers.ReadOnlyField()
class Meta:
model = RegularFieldsModel
fields = ('auto_field',)
ChildSerializer().fields
# Tests for relational field mappings.
# ------------------------------------
@ -276,7 +306,7 @@ class TestRelationalFieldMappings(TestCase):
many_to_many = PrimaryKeyRelatedField(many=True, queryset=ManyToManyTargetModel.objects.all())
through = PrimaryKeyRelatedField(many=True, read_only=True)
""")
self.assertEqual(repr(TestSerializer()), expected)
self.assertEqual(unicode_repr(TestSerializer()), expected)
def test_nested_relations(self):
class TestSerializer(serializers.ModelSerializer):
@ -300,7 +330,7 @@ class TestRelationalFieldMappings(TestCase):
id = IntegerField(label='ID', read_only=True)
name = CharField(max_length=100)
""")
self.assertEqual(repr(TestSerializer()), expected)
self.assertEqual(unicode_repr(TestSerializer()), expected)
def test_hyperlinked_relations(self):
class TestSerializer(serializers.HyperlinkedModelSerializer):
@ -315,7 +345,7 @@ class TestRelationalFieldMappings(TestCase):
many_to_many = HyperlinkedRelatedField(many=True, queryset=ManyToManyTargetModel.objects.all(), view_name='manytomanytargetmodel-detail')
through = HyperlinkedRelatedField(many=True, read_only=True, view_name='throughtargetmodel-detail')
""")
self.assertEqual(repr(TestSerializer()), expected)
self.assertEqual(unicode_repr(TestSerializer()), expected)
def test_nested_hyperlinked_relations(self):
class TestSerializer(serializers.HyperlinkedModelSerializer):
@ -339,7 +369,7 @@ class TestRelationalFieldMappings(TestCase):
url = HyperlinkedIdentityField(view_name='throughtargetmodel-detail')
name = CharField(max_length=100)
""")
self.assertEqual(repr(TestSerializer()), expected)
self.assertEqual(unicode_repr(TestSerializer()), expected)
def test_pk_reverse_foreign_key(self):
class TestSerializer(serializers.ModelSerializer):
@ -353,7 +383,7 @@ class TestRelationalFieldMappings(TestCase):
name = CharField(max_length=100)
reverse_foreign_key = PrimaryKeyRelatedField(many=True, queryset=RelationalModel.objects.all())
""")
self.assertEqual(repr(TestSerializer()), expected)
self.assertEqual(unicode_repr(TestSerializer()), expected)
def test_pk_reverse_one_to_one(self):
class TestSerializer(serializers.ModelSerializer):
@ -367,7 +397,7 @@ class TestRelationalFieldMappings(TestCase):
name = CharField(max_length=100)
reverse_one_to_one = PrimaryKeyRelatedField(queryset=RelationalModel.objects.all())
""")
self.assertEqual(repr(TestSerializer()), expected)
self.assertEqual(unicode_repr(TestSerializer()), expected)
def test_pk_reverse_many_to_many(self):
class TestSerializer(serializers.ModelSerializer):
@ -381,7 +411,7 @@ class TestRelationalFieldMappings(TestCase):
name = CharField(max_length=100)
reverse_many_to_many = PrimaryKeyRelatedField(many=True, queryset=RelationalModel.objects.all())
""")
self.assertEqual(repr(TestSerializer()), expected)
self.assertEqual(unicode_repr(TestSerializer()), expected)
def test_pk_reverse_through(self):
class TestSerializer(serializers.ModelSerializer):
@ -395,7 +425,7 @@ class TestRelationalFieldMappings(TestCase):
name = CharField(max_length=100)
reverse_through = PrimaryKeyRelatedField(many=True, read_only=True)
""")
self.assertEqual(repr(TestSerializer()), expected)
self.assertEqual(unicode_repr(TestSerializer()), expected)
class TestIntegration(TestCase):