Method __str__

crates/vm/src/exceptions.rs:668–675

(&self, vm: &VirtualMachine)

impl Py<PyBaseException> {
    #[pymethod]
    pub(super) fn __str__(&self, vm: &VirtualMachine) -> PyResult<PyStrRef> {
        let str_args = vm.exception_args_as_string(self.args(), true);
        Ok(match str_args.into_iter().exactly_one() {
            Err(i) if i.len() == 0 => vm.ctx.empty_str.to_owned(),
            Ok(s) => s,
            Err(i) => PyStr::from(format!("({})", i.format(", "))).into_ref(&vm.ctx),
        })
    }
}

#[pyclass]