Function next_external_frame_with_skip

crates/vm/src/warn.rs:528–544

Like Frame::next_external_frame but also skips frames matching prefixes.

(
    frame: &crate::frame::FrameRef,
    skip_file_prefixes: Option<&PyTupleRef>,
    vm: &VirtualMachine,
)

/// Like Frame::next_external_frame but also skips frames matching prefixes.
fn next_external_frame_with_skip(
    frame: &crate::frame::FrameRef,
    skip_file_prefixes: Option<&PyTupleRef>,
    vm: &VirtualMachine,
) -> Option<crate::frame::FrameRef> {
    let mut f = frame.f_back(vm);
    loop {
        let current: crate::frame::FrameRef = f.take()?;
        if current.is_internal_frame()
            || skip_file_prefixes.is_some_and(|p| is_filename_to_skip(&current, p))
        {
            f = current.f_back(vm);
        } else {
            return Some(current);
        }
    }
}

/// filename, module, and registry are new refs, globals is borrowed
/// Returns `Ok` on success, or `Err` on error (no new refs)