mirror of
https://github.com/graphql-python/graphene.git
synced 2024-11-27 03:53:56 +03:00
151 lines
5.1 KiB
Python
151 lines
5.1 KiB
Python
from django.db import models
|
|
from django.utils.encoding import force_text
|
|
|
|
from graphene import Enum, List, ID, Boolean, Float, Int, String, Field, NonNull
|
|
from graphene.types.json import JSONString
|
|
from graphene.types.datetime import DateTime
|
|
from graphene.types.json import JSONString
|
|
from graphene.utils.str_converters import to_const
|
|
from graphene.relay import Node
|
|
|
|
from .compat import (ArrayField, HStoreField, JSONField, RangeField,
|
|
RelatedObject, UUIDField)
|
|
from .utils import get_related_model, import_single_dispatch
|
|
from .fields import get_connection_field
|
|
|
|
singledispatch = import_single_dispatch()
|
|
|
|
|
|
def convert_choices(choices):
|
|
for value, name in choices:
|
|
if isinstance(name, (tuple, list)):
|
|
for choice in convert_choices(name):
|
|
yield choice
|
|
else:
|
|
yield to_const(force_text(name)), value
|
|
|
|
|
|
def convert_django_field_with_choices(field, registry=None):
|
|
choices = getattr(field, 'choices', None)
|
|
if choices:
|
|
meta = field.model._meta
|
|
name = '{}{}'.format(meta.object_name, field.name.capitalize())
|
|
graphql_choices = list(convert_choices(choices))
|
|
enum = Enum(name, list(graphql_choices))
|
|
return enum(description=field.help_text)
|
|
return convert_django_field(field, registry)
|
|
|
|
|
|
@singledispatch
|
|
def convert_django_field(field, registry=None):
|
|
raise Exception(
|
|
"Don't know how to convert the Django field %s (%s)" %
|
|
(field, field.__class__))
|
|
|
|
|
|
@convert_django_field.register(models.CharField)
|
|
@convert_django_field.register(models.TextField)
|
|
@convert_django_field.register(models.EmailField)
|
|
@convert_django_field.register(models.SlugField)
|
|
@convert_django_field.register(models.URLField)
|
|
@convert_django_field.register(models.GenericIPAddressField)
|
|
@convert_django_field.register(models.FileField)
|
|
@convert_django_field.register(UUIDField)
|
|
def convert_field_to_string(field, registry=None):
|
|
return String(description=field.help_text)
|
|
|
|
|
|
@convert_django_field.register(models.AutoField)
|
|
def convert_field_to_id(field, registry=None):
|
|
return ID(description=field.help_text)
|
|
|
|
|
|
@convert_django_field.register(models.PositiveIntegerField)
|
|
@convert_django_field.register(models.PositiveSmallIntegerField)
|
|
@convert_django_field.register(models.SmallIntegerField)
|
|
@convert_django_field.register(models.BigIntegerField)
|
|
@convert_django_field.register(models.IntegerField)
|
|
def convert_field_to_int(field, registry=None):
|
|
return Int(description=field.help_text)
|
|
|
|
|
|
@convert_django_field.register(models.BooleanField)
|
|
def convert_field_to_boolean(field, registry=None):
|
|
return NonNull(Boolean, description=field.help_text)
|
|
|
|
|
|
@convert_django_field.register(models.NullBooleanField)
|
|
def convert_field_to_nullboolean(field, registry=None):
|
|
return Boolean(description=field.help_text)
|
|
|
|
|
|
@convert_django_field.register(models.DecimalField)
|
|
@convert_django_field.register(models.FloatField)
|
|
def convert_field_to_float(field, registry=None):
|
|
return Float(description=field.help_text)
|
|
|
|
|
|
@convert_django_field.register(models.DateField)
|
|
def convert_date_to_string(field, registry=None):
|
|
return DateTime(description=field.help_text)
|
|
|
|
|
|
@convert_django_field.register(models.OneToOneRel)
|
|
def convert_onetoone_field_to_djangomodel(field, registry=None):
|
|
model = get_related_model(field)
|
|
return Field(registry.get_type_for_model(model))
|
|
|
|
|
|
@convert_django_field.register(models.ManyToManyField)
|
|
@convert_django_field.register(models.ManyToManyRel)
|
|
@convert_django_field.register(models.ManyToOneRel)
|
|
def convert_field_to_list_or_connection(field, registry=None):
|
|
model = get_related_model(field)
|
|
_type = registry.get_type_for_model(model)
|
|
if not _type:
|
|
return
|
|
|
|
if issubclass(_type, Node):
|
|
return get_connection_field(_type)
|
|
return Field(List(_type))
|
|
|
|
|
|
# For Django 1.6
|
|
@convert_django_field.register(RelatedObject)
|
|
def convert_relatedfield_to_djangomodel(field, registry=None):
|
|
model = field.model
|
|
_type = registry.get_type_for_model(model)
|
|
if issubclass(_type, Node):
|
|
return get_connection_field(_type)
|
|
return List(_type)
|
|
|
|
|
|
@convert_django_field.register(models.OneToOneField)
|
|
@convert_django_field.register(models.ForeignKey)
|
|
def convert_field_to_djangomodel(field, registry=None):
|
|
model = get_related_model(field)
|
|
_type = registry.get_type_for_model(model)
|
|
return Field(_type, description=field.help_text)
|
|
|
|
|
|
@convert_django_field.register(ArrayField)
|
|
def convert_postgres_array_to_list(field, registry=None):
|
|
base_type = convert_django_field(field.base_field)
|
|
if not isinstance(base_type, (List, NonNull)):
|
|
base_type = type(base_type)
|
|
return List(base_type, description=field.help_text)
|
|
|
|
|
|
@convert_django_field.register(HStoreField)
|
|
@convert_django_field.register(JSONField)
|
|
def convert_posgres_field_to_string(field, registry=None):
|
|
return JSONString(description=field.help_text)
|
|
|
|
|
|
@convert_django_field.register(RangeField)
|
|
def convert_posgres_range_to_string(field, registry=None):
|
|
inner_type = convert_django_field(field.base_field)
|
|
if not isinstance(inner_type, (List, NonNull)):
|
|
inner_type = type(inner_type)
|
|
return List(inner_type, description=field.help_text)
|