Get all the versions of a python package with their respective release date, provided the package name.

get_python_package_version_release_date_tuple_sorted.py

import requests
from packaging.version import parse

def get_package_versions_and_dates(package_name):
    """
    Fetch all versions and release dates of a package from PyPI, sorted by version.

    Args:
        package_name (str): The name of the Python package.

    Returns:
        list: A list of tuples containing versions and release dates, sorted by version.
    """
    url = f"https://pypi.org/pypi/{package_name}/json"
    versions = []

    try:
        response = requests.get(url)
        response.raise_for_status()
        data = response.json()

        # Gather versions and release dates
        for version, releases in data["releases"].items():
            if releases:  # Ensure there are release entries
                release_date = releases[0]["upload_time"]
                versions.append((parse(version), version, release_date))

        # Sort by parsed version
        versions.sort(key=lambda x: x[0])

        # Return version strings and dates
        return [(v[1], v[2]) for v in versions]

    except requests.exceptions.RequestException as e:
        print(f"Error fetching package info: {e}")
    except KeyError:
        print("Package not found or does not have release data.")

    return []

if __name__ == "__main__":
    package_name = input("Enter the package name: ").strip()
    versions_and_dates = get_package_versions_and_dates(package_name)

    if versions_and_dates:
        print(f"All versions and release dates for '{package_name}':")
        for version, release_date in versions_and_dates:
            print(f"Version: {version}, Release Date: {release_date}")
    else:
        print("Could not fetch package information.")