Class Argument

mypy/nodes.py:946–980

A single argument in a FuncItem.

class Argument(Node):
    """A single argument in a FuncItem."""

    __slots__ = ("variable", "type_annotation", "initializer", "kind", "pos_only")

    __match_args__ = ("variable", "type_annotation", "initializer", "kind", "pos_only")

    def __init__(
        self,
        variable: Var,
        type_annotation: mypy.types.Type | None,
        initializer: Expression | None,
        kind: ArgKind,
        pos_only: bool = False,
    ) -> None:
        super().__init__()
        self.variable = variable
        self.type_annotation = type_annotation
        self.initializer = initializer
        self.kind = kind  # must be an ARG_* constant
        self.pos_only = pos_only

    def set_line(
        self,
        target: Context | int,
        column: int | None = None,
        end_line: int | None = None,
        end_column: int | None = None,
    ) -> None:
        super().set_line(target, column, end_line, end_column)

        if self.initializer and self.initializer.line < 0:
            self.initializer.set_line(self.line, self.column, self.end_line, self.end_column)

        self.variable.set_line(self.line, self.column, self.end_line, self.end_column)


# These specify the kind of a TypeParam