Checks a list of passwords against Have I Been Pwned to find which passwords you should change

password-checker.py

#! /usr/bin/env python

import hashlib
import httplib

with open("passwords.txt", "r") as file:
    for password in file:
        password = password.strip()
        sha = hashlib.sha1(password).hexdigest().upper()
        head = sha[:5]
        tail = sha[5:]

        uri = "/range/%s" % head
        connection = httplib.HTTPSConnection("api.pwnedpasswords.com")
        connection.request("GET", uri)
        response = connection.getresponse().read()

        for entry in response.splitlines():
            fullhash, count = entry.split(":")

            # print(fullhash)
            if fullhash == tail:
                print "%s found %s times" % (password, count)