references.py

import requests

PAPER_ID = "0a2c5dfa8b273c0130a0b59be7ce5dba575303be"
BASE_URL = "https://api.semanticscholar.org/graph/v1"
S2_API_KEY = "..."

HEADERS = {"x-api-key": S2_API_KEY}
PAPER_FIELDS = "title,abstract,year,authors,citationCount,referenceCount,externalIds,venue,publicationDate"
REF_FIELDS = "title,authors,year,citationCount,externalIds"


def fetch_paper_details(paper_id):
    url = f"{BASE_URL}/paper/{paper_id}"
    resp = requests.get(url, params={"fields": PAPER_FIELDS}, headers=HEADERS)
    resp.raise_for_status()
    return resp.json()


def fetch_references(paper_id, limit=100):
    url = f"{BASE_URL}/paper/{paper_id}/references"
    params = {"fields": REF_FIELDS, "limit": limit}
    resp = requests.get(url, params=params, headers=HEADERS)
    resp.raise_for_status()
    return resp.json()


if __name__ == "__main__":
    print("=== Paper Details ===")
    details = fetch_paper_details(PAPER_ID)
    print(f"Title:      {details.get('title')}")
    print(f"Year:       {details.get('year')}")
    print(f"Venue:      {details.get('venue')}")
    print(f"Authors:    {', '.join(a['name'] for a in details.get('authors', []))}")
    print(f"Citations:  {details.get('citationCount')}")
    print(f"References: {details.get('referenceCount')}")
    print(f"Abstract:   {details.get('abstract', '')[:300]}...")

    print("\n=== References ===")
    refs = fetch_references(PAPER_ID)
    data = refs.get("data")
    if not data:
        print("No references returned. Raw response:")
        print(refs)
    else:
        for i, item in enumerate(data, 1):
            ref = item.get("citedPaper", {})
            authors = ", ".join(a["name"] for a in ref.get("authors", [])[:3])
            print(f"{i:3}. {ref.get('title', 'N/A')} ({ref.get('year', '?')}) — {authors}")