def parse_literal(self, node: ValueNode, _variables: Dict[str, Any] = None):
if isinstance(
node,
(
graphql_ast.FloatValueNode,
graphql_ast.StringValueNode,
graphql_ast.IntValueNode,
),
):
return self.parse_value(node.value)
raise UndefinedType()
def serialize(value: Any) -> Any:
if not isinstance(value, dict):
raise UndefinedType("Dictionary value expected")
return value
def parse_value(value: str):
try:
return datetime.fromisoformat(value)
except ValueError:
raise UndefinedType()
def serialize(value: Any) -> Any:
if not isinstance(value, datetime):
raise UndefinedType("datetime value expected")
return value.isoformat()
def parse_value(value: Any) -> Any:
try:
return ID.decode(value)
except ValueError:
raise UndefinedType()
def serialize(self, value: Any) -> str:
if not isinstance(value, self.source):
raise UndefinedType("Enum value expected")
return value.name
def parse_value(value: Any) -> Any:
try:
return DecimalType(value)
except InvalidOperation:
raise UndefinedType()
def serialize(value: Any) -> Any:
if not isinstance(value, (DecimalType, int, float)):
raise UndefinedType("Decimal value expected")
if isinstance(value, DecimalType):
return float(value)
return value
def parse_value(value: Any) -> Any:
try:
return ast.literal_eval(value)
except SyntaxError:
raise UndefinedType()