Method as_const

src/jinja2/nodes.py:865–874

(self, eval_ctx: t.Optional[EvalContext] = None)

    ctx: str

    def as_const(self, eval_ctx: t.Optional[EvalContext] = None) -> t.Any:
        if self.ctx != "load":
            raise Impossible()

        eval_ctx = get_eval_context(self, eval_ctx)

        try:
            return eval_ctx.environment.getattr(self.node.as_const(eval_ctx), self.attr)
        except Exception as e:
            raise Impossible() from e


class Slice(Expr):