CRC16 in Python

How do I calculate CRC16 i开发者_Python百科n Python?

In Perl I would write something like:

use Digest::CRC "crc16";
$result = crc16($str);

How do I do same thing in Python?

There is a library for calculating CRC16 here http://pypi.python.org/pypi/crc16/0.1.0