Source code for graphene.types.decimal

from __future__ import absolute_import

from decimal import Decimal as _Decimal

from graphql.language.ast import StringValueNode

from .scalars import Scalar


[docs]class Decimal(Scalar): """ The `Decimal` scalar type represents a python Decimal. """ @staticmethod def serialize(dec): if isinstance(dec, str): dec = _Decimal(dec) assert isinstance(dec, _Decimal), 'Received not compatible Decimal "{}"'.format( repr(dec) ) return str(dec) @classmethod def parse_literal(cls, node): if isinstance(node, StringValueNode): return cls.parse_value(node.value) @staticmethod def parse_value(value): try: return _Decimal(value) except ValueError: return None