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54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
import six
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from ..utils.is_base_type import is_base_type
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from .abstracttype import AbstractTypeMeta
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from .options import Options
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from .unmountedtype import UnmountedType
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from .utils import yank_fields_from_attrs, get_base_fields, merge
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from .inputfield import InputField
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class InputObjectTypeMeta(AbstractTypeMeta):
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def __new__(cls, name, bases, attrs):
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# Also ensure initialization is only performed for subclasses of
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# InputObjectType
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if not is_base_type(bases, InputObjectTypeMeta):
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return type.__new__(cls, name, bases, attrs)
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options = Options(
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attrs.pop('Meta', None),
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name=name,
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description=attrs.get('__doc__'),
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local_fields=None,
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)
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options.base_fields = get_base_fields(bases, _as=InputField)
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if not options.local_fields:
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options.local_fields = yank_fields_from_attrs(attrs, _as=InputField)
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options.fields = merge(
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options.base_fields,
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options.local_fields
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)
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return type.__new__(cls, name, bases, dict(attrs, _meta=options))
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def __str__(cls): # noqa: N802
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return cls._meta.name
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class InputObjectType(six.with_metaclass(InputObjectTypeMeta, UnmountedType)):
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'''
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Input Object Type Definition
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An input object defines a structured collection of fields which may be
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supplied to a field argument.
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Using `NonNull` will ensure that a value must be provided by the query
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'''
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@classmethod
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def get_type(cls):
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return cls
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