app/tools/dailymed.py

import httpx


def find_drug_set_ids(name: str) -> list[dict]:
    """Get the Set IDs of drugs by a name.

    The Set ID can be used to look up a drug's instruction.

    Args:
        name: Generic or brand name of a drug.

    Returns:
        A list of drug names and their Set ID.
    """
    resp = httpx.get(
        "https://dailymed.nlm.nih.gov/dailymed/services/v2/spls.json",
        params={"drug_name": name},
    )
    return [
        {
            "name": row["title"],
            "set_id": row["setid"],
            "url": f"https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid={row['setid']}",
        }
        for row in resp.json()["data"]
    ]


def find_drug_instruction(set_id: str) -> str:
    """Get the instruction of a drug from the FDA database.

    The instruction includes dosage, contradictions, adverse
    reactions, drung interactions, etc.

    Args:
        set_id: Set ID of the drug to look up.

    Returns:
        Full package instruction in XML format.
    """
    resp = httpx.get(
        f"https://dailymed.nlm.nih.gov/dailymed/services/v2/spls/{set_id}.xml"
    )
    return resp.text