This Python script uses pip and the Python Package Index (PyPI) to identify outdated packages. It also offers the option to update them and cleans the pip cache.

update_pip_packages.py

import subprocess
import requests

def get_outdated_packages():
    try:
        print("Searching for outdated packages...")
        # Execute the 'pip list --outdated' command to get the list of packages to update
        outdated_packages = (
            subprocess.check_output(["pip", "list", "--outdated"])
            .decode()
            .split("\n")[2:-1]
        )
        packages_to_update = [
            package.split()
            for package in outdated_packages
            if package.split()[0] != "Package"
        ]

        return packages_to_update
    except Exception as e:
        print(f"An error occurred while retrieving packages to update: {str(e)}")
        return []

def get_latest_version(package_name):
    try:
        # Make an HTTP request to the PyPI API to get package information
        response = requests.get(f"https://pypi.org/pypi/{package_name}/json")
        response_json = response.json()
        latest_version = response_json["info"]["version"]
        return latest_version
    except Exception as e:
        print(
            f"An error occurred while retrieving the latest version of {package_name}: {str(e)}"
        )
        return None

def update_pip_packages():
    packages_to_update = get_outdated_packages()

    if packages_to_update:
        print("Packages to update:")
        for idx, package_info in enumerate(packages_to_update, start=1):
            package_name = package_info[0]
            current_version = package_info[1]
            latest_version = get_latest_version(package_name)
            if latest_version:
                print(
                    f"{idx}. {package_name}: from {current_version} to {latest_version}"
                )

        confirmation = (
            input("Do you want to proceed with the update? (y/n): ").strip().lower()
        )
        if confirmation == "y":
            try:
                print("Starting the update...")
                # Perform the update for each package in the list
                for idx, package_info in enumerate(packages_to_update, start=1):
                    package_name = package_info[0]
                    current_version = package_info[1]
                    latest_version = get_latest_version(package_name)

                    print(
                        f"{idx}. {package_name}: from {current_version} to {latest_version}"
                    )

                    # Perform the update for the current package
                    subprocess.run(
                        ["pip", "install", "--upgrade", package_name],
                        capture_output=True,
                        text=True,
                    )

                print("Update completed.")
            except Exception as e:
                print(f"An error occurred during the update: {str(e)}")
        else:
            print("Update canceled.")
    else:
        print("No packages to update.")

def purge_pip_cache():
    # Purges the pip cache
    try:
        subprocess.run(["pip", "cache", "purge"], check=True)
        print("Pip cache purged successfully!")
    except subprocess.CalledProcessError as error:
        print("Error purging pip cache:", error)

if __name__ == "__main__":
    update_pip_packages()

if __name__ == "__main__":
    purge_pip_cache()