#!/usr/bin/env python3
"""
Checks that the version of the projects bundled in ensurepip are the latest
versions available.
"""
import ensurepip
import json
import urllib.request
import sys


def main():
 outofdate = False

 for project, version in ensurepip._PROJECTS:
 data = json.loads(urllib.request.urlopen(
 "https://pypi.org/pypi/{}/json".format(project),
 cadefault=True,
 ).read().decode("utf8"))
 upstream_version = data["info"]["version"]

 if version != upstream_version:
 outofdate = True
 print("The latest version of {} on PyPI is {}, but ensurepip "
 "has {}".format(project, upstream_version, version))

 if outofdate:
 sys.exit(1)


if __name__ == "__main__":
 main()