find-updates.py

import os
import requests


for file in os.listdir('.'):
    if not file.endswith('.txt'):
        continue

    with open(file, 'r') as f:
        base = f.readlines()

        for req in base:
            if '==' not in req:
                continue

            package, version = req.strip().split('==')

            url = "https://pypi.python.org/pypi/%s/json" % package
            data = requests.get(url).json()

            releases = [r for r in data['releases'].keys()
                        if 'a' not in r and
                           'b' not in r and
                           'rc' not in r]

            latest = sorted(releases, reverse=True)[0]

            if version < latest:
                print(f'Please upgrade {package} to {latest}')