Method __format__

crates/vm/src/builtins/float.rs:257–273

(zelf: &Py<Self>, spec: PyUtf8StrRef, vm: &VirtualMachine)

impl PyFloat {
    #[pymethod]
    fn __format__(zelf: &Py<Self>, spec: PyUtf8StrRef, vm: &VirtualMachine) -> PyResult<Wtf8Buf> {
        // Empty format spec: equivalent to str(self)
        if spec.is_empty() {
            return Ok(zelf.as_object().str(vm)?.as_wtf8().to_owned());
        }
        let format_spec =
            FormatSpec::parse(spec.as_str()).map_err(|err| err.into_pyexception(vm))?;
        let result = if format_spec.has_locale_format() {
            let locale = crate::format::get_locale_info();
            format_spec.format_float_locale(zelf.value, &locale)
        } else {
            format_spec.format_float(zelf.value)
        };
        result
            .map(Wtf8Buf::from_string)
            .map_err(|err| err.into_pyexception(vm))
    }

    #[pystaticmethod]
    fn __getformat__(spec: PyUtf8StrRef, vm: &VirtualMachine) -> PyResult<String> {