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def mangle(s): return "".join(chr(ord(x) & 0xff) for x in s)

def generate(password, uri):
    """
    generate the pwdhash password for master password and uri or
    domain name.
    """
    realm = extract_domain(uri)
    if password.startswith(_password_prefix):
        password = password[len(_password_prefix):]

    password_hash = b64_hmac_md5(mangle(password), realm)
    size = len(password) + len(_password_prefix)
    nonalphanumeric = len(re.findall(r'\W', password)) != 0

    return apply_constraints(password_hash, size, nonalphanumeric)

➜  ~ echo "test" | xclip -i 
➜  ~ pwdhash google.com           
Password for google.com: 
Password was copied to clipboard.
➜  ~ xclip -o               
test

     digestmod: A module supporting PEP 247.  *OR*
                A hashlib constructor returning a new hash object. *OR*
                A hash name suitable for hashlib.new().
                Defaults to hashlib.md5.
                Implicit default to hashlib.md5 is deprecated and will be
                removed in Python 3.6.