mirror of
https://github.com/graphql-python/graphene-django.git
synced 2025-10-31 16:07:36 +03:00
125 lines
3.8 KiB
Python
125 lines
3.8 KiB
Python
from django.core.exceptions import ImproperlyConfigured
|
|
from rest_framework import serializers
|
|
|
|
import graphene
|
|
|
|
from ..registry import get_global_registry
|
|
from ..utils import import_single_dispatch
|
|
from .types import DictType
|
|
|
|
singledispatch = import_single_dispatch()
|
|
|
|
|
|
@singledispatch
|
|
def get_graphene_type_from_serializer_field(field):
|
|
raise ImproperlyConfigured(
|
|
"Don't know how to convert the serializer field %s (%s) "
|
|
"to Graphene type" % (field, field.__class__)
|
|
)
|
|
|
|
|
|
def convert_serializer_field(field, is_input=True):
|
|
"""
|
|
Converts a django rest frameworks field to a graphql field
|
|
and marks the field as required if we are creating an input type
|
|
and the field itself is required
|
|
"""
|
|
|
|
graphql_type = get_graphene_type_from_serializer_field(field)
|
|
|
|
args = []
|
|
kwargs = {
|
|
'description': field.help_text,
|
|
'required': is_input and field.required,
|
|
}
|
|
|
|
# if it is a tuple or a list it means that we are returning
|
|
# the graphql type and the child type
|
|
if isinstance(graphql_type, (list, tuple)):
|
|
kwargs['of_type'] = graphql_type[1]
|
|
graphql_type = graphql_type[0]
|
|
|
|
if isinstance(field, serializers.ModelSerializer):
|
|
if is_input:
|
|
graphql_type = convert_serializer_to_input_type(field.__class__)
|
|
else:
|
|
global_registry = get_global_registry()
|
|
field_model = field.Meta.model
|
|
args = [global_registry.get_type_for_model(field_model)]
|
|
|
|
return graphql_type(*args, **kwargs)
|
|
|
|
|
|
def convert_serializer_to_input_type(serializer_class):
|
|
serializer = serializer_class()
|
|
|
|
items = {
|
|
name: convert_serializer_field(field)
|
|
for name, field in serializer.fields.items()
|
|
}
|
|
|
|
return type(
|
|
'{}Input'.format(serializer.__class__.__name__),
|
|
(graphene.InputObjectType,),
|
|
items
|
|
)
|
|
|
|
|
|
@get_graphene_type_from_serializer_field.register(serializers.Field)
|
|
def convert_serializer_field_to_string(field):
|
|
return graphene.String
|
|
|
|
|
|
@get_graphene_type_from_serializer_field.register(serializers.ModelSerializer)
|
|
def convert_serializer_to_field(field):
|
|
return graphene.Field
|
|
|
|
|
|
@get_graphene_type_from_serializer_field.register(serializers.IntegerField)
|
|
def convert_serializer_field_to_int(field):
|
|
return graphene.Int
|
|
|
|
|
|
@get_graphene_type_from_serializer_field.register(serializers.BooleanField)
|
|
def convert_serializer_field_to_bool(field):
|
|
return graphene.Boolean
|
|
|
|
|
|
@get_graphene_type_from_serializer_field.register(serializers.FloatField)
|
|
@get_graphene_type_from_serializer_field.register(serializers.DecimalField)
|
|
def convert_serializer_field_to_float(field):
|
|
return graphene.Float
|
|
|
|
|
|
@get_graphene_type_from_serializer_field.register(serializers.DateTimeField)
|
|
@get_graphene_type_from_serializer_field.register(serializers.DateField)
|
|
def convert_serializer_field_to_date_time(field):
|
|
return graphene.types.datetime.DateTime
|
|
|
|
|
|
@get_graphene_type_from_serializer_field.register(serializers.TimeField)
|
|
def convert_serializer_field_to_time(field):
|
|
return graphene.types.datetime.Time
|
|
|
|
|
|
@get_graphene_type_from_serializer_field.register(serializers.ListField)
|
|
def convert_serializer_field_to_list(field, is_input=True):
|
|
child_type = get_graphene_type_from_serializer_field(field.child)
|
|
|
|
return (graphene.List, child_type)
|
|
|
|
|
|
@get_graphene_type_from_serializer_field.register(serializers.DictField)
|
|
def convert_serializer_field_to_dict(field):
|
|
return DictType
|
|
|
|
|
|
@get_graphene_type_from_serializer_field.register(serializers.JSONField)
|
|
def convert_serializer_field_to_jsonstring(field):
|
|
return graphene.types.json.JSONString
|
|
|
|
|
|
@get_graphene_type_from_serializer_field.register(serializers.MultipleChoiceField)
|
|
def convert_serializer_field_to_list_of_string(field):
|
|
return (graphene.List, graphene.String)
|