Py3K Version of pypi packages check

app-version-check.py

#!/usr/bin/env python
import xmlrpc.client as client

import pip

pypi = client.ServerProxy('http://pypi.python.org/pypi')
for dist in pip.get_installed_distributions():
    available = pypi.package_releases(dist.project_name)
    if not available:
        # Try to capitalize pkg name
        available = pypi.package_releases(dist.project_name.capitalize())

    if not available:
        msg = "no releases at pypi"
        is_new = False
    elif available[0] != dist.version:
        msg = "{} available".format(available[0])
        is_new = True
    else:
        msg = "up to date"
        is_new = False
    pkg_info = "{dist.project_name} {dist.version}".format(dist=dist)
    if is_new: print("{pkg_info:40} {msg}".format(pkg_info=pkg_info, msg=msg))