Simple python pwned password checker for https://haveibeenpwned.com/API/v2#PwnedPasswords

pwned.py

from __future__ import print_function
import getpass
import hashlib
import urllib2


def check_password(password):
    sha = hashlib.sha1(password).hexdigest().upper()
    sha_prefix = sha[:5]
    sha_suffix = sha[5:]
    request = urllib2.Request("https://api.pwnedpasswords.com/range/" + sha_prefix, headers={"User-Agent": "pwned.py"})
    response = urllib2.build_opener().open(request).read()
    hashcounts = [line.split(":") for line in response.splitlines()]
    matchcount = next((c for h, c in hashcounts if h == sha_suffix), None)
    if matchcount:
        print("Found %s matches" % (matchcount,))
    else:
        print("No matches found")


if __name__ == '__main__':
    check_password(getpass.getpass())