A Python script to retrieve data from a GitHub user's public repositories and store it on JSON file. This code uses the GitHub API.

fetch_github_repos.py

def fetch_repos(username: str):
    """This function retrieves data from all the public repositories of a GitHub profile

    Args:
        username (str): The username of the GitHub profile

    Raises:
        requests.HTTPError: If the request fails

    Returns:
        list: A list of dictionaries containing the data of each repository
    """

    import requests

    response = requests.get(f"https://api.github.com/users/{username}/repos")

    if response.status_code != 200:
        raise requests.HTTPError(
            f"Unable to fetch user repositories: HTTP {response.status_code}"
        )

    repositories = []
    json = response.json()
    for repo in json:
        # change the dictionary to include/remove stats
        repositories.append(
            {
                "name": repo["name"],
                "description": repo["description"],
                "topics": repo["topics"],
                "html_url": repo["html_url"],
            }
        )

    return repositories


def save_json_file(repositories, target_folder="./"):
    """This function stores the repository list into a JSON file

    Args:
        repositories (list): A list with all the repository dictionaries
        target_folder (str, optional): The folder where the JSON file will be stored. Defaults to "./".
    """
    import json, os

    filepath = os.path.join(target_folder, "repositories.json")

    with open(filepath, "w") as json_file:
        json.dump(repositories, json_file, indent=2)

    print(f"Repositories saved on: {filepath}")


def main():
    username = input("Type GitHub username: ")
    repositories = fetch_repos(username)
    save_json_file(repositories)


if __name__ == "__main__":
    main()