Function get_warnings_attr

crates/vm/src/warn.rs:113–141

(
    vm: &VirtualMachine,
    attr_name: &'static PyStrInterned,
    try_import: bool,
)

}

fn get_warnings_attr(
    vm: &VirtualMachine,
    attr_name: &'static PyStrInterned,
    try_import: bool,
) -> PyResult<Option<PyObjectRef>> {
    let module = if try_import
        && !vm
            .state
            .finalizing
            .load(core::sync::atomic::Ordering::SeqCst)
    {
        match vm.import("warnings", 0) {
            Ok(module) => module,
            Err(_) => return Ok(None),
        }
    } else {
        match vm.sys_module.get_attr(identifier!(vm, modules), vm) {
            Ok(modules) => match modules.get_item(vm.ctx.intern_str("warnings"), vm) {
                Ok(module) => module,
                Err(_) => return Ok(None),
            },
            Err(_) => return Ok(None),
        }
    };
    match module.get_attr(attr_name, vm) {
        Ok(attr) => Ok(Some(attr)),
        Err(_) => Ok(None),
    }
}

/// Get the warnings filters list from sys.modules['warnings'].filters,
/// falling back to vm.state.warnings.filters.