kumar1907/Code_Review_Agent

1import requests2 3def fetch_pr_diff(owner, repo, pr_number, token=None):4    headers = {5        "Accept": "application/vnd.github.v3.diff"6    }7    if token:8        headers["Authorization"] = f"token {token}"9 10    url = f"https://api.github.com/repos/{owner}/{repo}/pulls/{pr_number}"11    response = requests.get(url, headers=headers)12 13    if response.status_code == 200:14        return response.text15    elif response.status_code == 404:16        return "Error: PR not found. Check the repo and PR number."17    elif response.status_code == 401:18        return "Error: Unauthorized. Check your GitHub token."19    else:20        return f"Error: Could not fetch PR. Status code: {response.status_code}"21