Find who have unstarred a GitHub repository

unstarred.py

import requests

def get_stargazers(repo_owner, repo_name):
    url = f"https://api.github.com/repos/{repo_owner}/{repo_name}/stargazers"
    headers = {"Accept": "application/vnd.github.v3.star+json"}
    response = requests.get(url, headers=headers)
    
    if response.status_code == 200:
        return [user['user']['login'] for user in response.json()]
    else:
        print(f"Failed to fetch stargazers: {response.status_code}")
        return []

def compare_stargazers(old_stargazers, new_stargazers):
    unstarred_users = [user for user in old_stargazers if user not in new_stargazers]
    return unstarred_users

def main():
    # Input repository details
    repo_owner = input("Enter the owner of the repository: ")
    repo_name = input("Enter the name of the repository: ")

    # Fetch current stargazers
    current_stargazers = get_stargazers(repo_owner, repo_name)

    # Load previous stargazers from file
    try:
        with open(f"{repo_owner}_{repo_name}_stargazers.txt", "r") as file:
            previous_stargazers = file.read().splitlines()
    except FileNotFoundError:
        previous_stargazers = []

    # Compare stargazers
    unstarred_users = compare_stargazers(previous_stargazers, current_stargazers)

    # Output unstarred users
    if unstarred_users:
        print("Users who have unstarred the repository:")
        for user in unstarred_users:
            print(user)
    else:
        print("No users have unstarred the repository.")

    # Save current stargazers to file for future comparison
    with open(f"{repo_owner}_{repo_name}_stargazers.txt", "w") as file:
        for user in current_stargazers:
            file.write(user + "\n")

if __name__ == "__main__":
    main()