Show python package PYPI upload times. Helpful when, for example, your tests start failing and you'd like to investigate what recent package updates might have caused the breakage.

package_upload_times.py

#!/usr/bin/env python

from __future__ import print_function

import json
from pip.operations.freeze import freeze
import urllib


URL_TEMPLATE = "https://pypi.python.org/pypi/{pkg}/{version}/json"

for pkg_spec in freeze():
    pkg, version = pkg_spec.split('==')
    upload_time = None

    response = urllib.urlopen(URL_TEMPLATE.format(pkg=pkg, version=version))
    if response.getcode() == 200:
        data = json.loads(response.read())

        for url in data['urls']:
            if url['python_version'] == 'source':
                upload_time = url['upload_time']
                break

    print("{:25} {:10} {}".format(pkg, version, upload_time))