Dyndnsc is a command line client for sending updates to dynamic dns (ddns, dyndns) services. It supports multiple protocols and services, and it is compatible with ipv4 as well as ipv6. The configuration file allows using foreign, but compatible services. Dyndnsc ships many different IP detection mechanisms, support for configuring multiple services in one place and it has a daemon mode for running unattended. It has a plugin architecture for supporting notification services like Growl or OS X Notification center.
See the Quickstart section of the http://dyndnsc.readthedocs.org/
$ # from pypi:
$ pip install dyndnsc
$ # from downloaded source:
$ python setup.py install
$ # directly from github:
$ pip install https://github.com/infothrill/python-dyndnsc/zipball/develop- Python 2.6, 2.7 or 3.2+
Dyndnsc is currently still in alpha stage, which means that any interface can still change at any time. For this to change, it shall be sufficient to have documented use of this package which will necessitate stability (i.e. community process).