exo-explore/exo · error · FileNotFoundError

File not found: {url}

Error message

File not found: {url}

What it means

Error "File not found: {url}" thrown in exo-explore/exo.

Source

Thrown at src/exo/download/download_utils.py:723

    remote_hash = etag[:-5] if etag.endswith("-gzip") else etag
    partial_path = target_dir / f"{path}.partial"
    resume_byte_pos = (
        (await aios.stat(partial_path)).st_size
        if (await aios.path.exists(partial_path))
        else None
    )
    if resume_byte_pos != length:
        url = urljoin(f"{get_hf_endpoint()}/{model_id}/resolve/{revision}/", path)
        headers = await get_download_headers()
        if resume_byte_pos:
            headers["Range"] = f"bytes={resume_byte_pos}-"
        n_read = resume_byte_pos or 0
        async with (
            create_http_session(timeout_profile="long") as session,
            session.get(url, headers=headers) as r,
        ):
            if r.status == 404:
                raise FileNotFoundError(f"File not found: {url}")
            if r.status in [401, 403]:
                msg = await _build_auth_error_message(r.status, model_id)
                raise HuggingFaceAuthenticationError(msg)
            if r.status == 429:
                raise HuggingFaceRateLimitError(
                    f"HuggingFace rate limit hit downloading {model_id}/{path}",
                    retry_after=_parse_retry_after(r.headers),
                )
            assert r.status in [200, 206], (
                f"Failed to download {path} from {url}: {r.status}"
            )
            async with aiofiles.open(
                partial_path, "ab" if resume_byte_pos else "wb"
            ) as f:
                while chunk := await r.content.read(8 * 1024 * 1024):
                    n_read = n_read + (await f.write(chunk))
                    on_progress(n_read, length, False)

View on GitHub (pinned to 21a54c5ea0)

When it happens

Trigger: Thrown at src/exo/download/download_utils.py:723 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of exo-explore/exo@21a54c5ea0 (2026-08-26). Data as JSON: /api/errors/2f82eb632f324fbe. Report an issue: GitHub.