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Improved Django field choice converter

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This commit is contained in:
Syrus Akbary 2016-04-01 23:43:42 -07:00
parent bd88f2327e
commit 68a9fb9fc4
3 changed files with 12 additions and 3 deletions
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9
graphene/contrib/django/converter.py
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@ -1,19 +1,26 @@
from collections import Iterable
from django.db import models from django.db import models
from ...core.types.scalars import ID, Boolean, Float, Int, String from ...core.types.scalars import ID, Boolean, Float, Int, String
from ...core.classtypes.enum import Enum from ...core.classtypes.enum import Enum
from ...utils import to_const
from .compat import RelatedObject, UUIDField from .compat import RelatedObject, UUIDField
from .utils import get_related_model, import_single_dispatch from .utils import get_related_model, import_single_dispatch
singledispatch = import_single_dispatch() singledispatch = import_single_dispatch()
def convert_choices(choices):
for value, name in choices:
yield to_const(name), value
def convert_django_field_with_choices(field): def convert_django_field_with_choices(field):
choices = getattr(field, 'choices', None) choices = getattr(field, 'choices', None)
if choices: if choices:
meta = field.model._meta meta = field.model._meta
name = '{}_{}_{}'.format(meta.app_label, meta.object_name, field.name) name = '{}_{}_{}'.format(meta.app_label, meta.object_name, field.name)
return Enum(name.upper(), choices, description=field.help_text) return Enum(name.upper(), list(convert_choices(choices)), description=field.help_text)
return convert_django_field(field) return convert_django_field(field)

2
graphene/contrib/django/tests/models.py
View File

@ -30,6 +30,8 @@ class Article(models.Model):
('es', 'Spanish'), ('es', 'Spanish'),
('en', 'English') ('en', 'English')
], default='es') ], default='es')
importance = models.IntegerField('Importance', null=True, blank=True,
choices=[(1, u'Very important'), (2, u'Not as important')])
def __str__(self): # __unicode__ on Python 2 def __str__(self): # __unicode__ on Python 2
return self.headline return self.headline

4
graphene/contrib/django/tests/test_converter.py
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@ -103,8 +103,8 @@ def test_field_with_choices_convert_enum():
assert issubclass(graphene_type, graphene.Enum) assert issubclass(graphene_type, graphene.Enum)
assert graphene_type._meta.type_name == 'TEST_TRANSLATEDMODEL_LANGUAGE' assert graphene_type._meta.type_name == 'TEST_TRANSLATEDMODEL_LANGUAGE'
assert graphene_type._meta.description == 'Language' assert graphene_type._meta.description == 'Language'
assert graphene_type.__enum__.__members__['es'].value == 'Spanish' assert graphene_type.__enum__.__members__['SPANISH'].value == 'es'
assert graphene_type.__enum__.__members__['en'].value == 'English' assert graphene_type.__enum__.__members__['ENGLISH'].value == 'en'
def test_should_float_convert_float(): def test_should_float_convert_float():