Function _get_first_url

agents/reading-agent/main.py:945–955

(paper: Dict[str, Any], *keys: str)

def _get_first_url(paper: Dict[str, Any], *keys: str) -> str:
    metadata = paper.get("metadata")
    if not isinstance(metadata, dict):
        metadata = {}

    for key in keys:
        for container in (paper, metadata):
            candidate = _clean_text(container.get(key))
            if candidate.startswith("http://") or candidate.startswith("https://"):
                return candidate
    return ""


def _get_direct_pdf_url(paper: Dict[str, Any]) -> str: