Method __format__

crates/vm/src/builtins/complex.rs:357–373

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

    #[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_complex_locale(&zelf.value, &locale)
        } else {
            format_spec.format_complex(&zelf.value)
        };
        result
            .map(Wtf8Buf::from_string)
            .map_err(|err| err.into_pyexception(vm))
    }

    #[pyclassmethod]
    fn from_number(cls: PyTypeRef, number: PyObjectRef, vm: &VirtualMachine) -> PyResult {