simplezeroconf 2.0.2

Simple pythonic ZeroConf implementation using system calls

A simple Python interface to Zeroconf service discovery and registration. Supports python >= 2.7 <= 3.5

Installation

### Requirements

The zeroconf module assumes that the [avahi](http://avahi.org/) command-line tools avahi-browse and avahi-publish are available. On Ubuntu for example, they may me installed with:

$ sudo apt-get install avahi-tools

The module also depend on [Andrew Moffat’s subprocess wrapper][sh]. Install it with

$ pip install sh

If you install the package using setup.py or pip it’ll be automatically handled so you normally don’t need to do this.

[sh]: http://amoffat.github.io/sh

### Install

Download the source distribution and type:

$ python setup.py install

### Running tests

You need py.test installed, just run:

$ py.test –doctest-modules zeroconf/

Usage

### Zeroconf Services Discovery

Searching for all available Zeroconf services is done by

>>> from zeroconf import ZeroConf
>>> zc = ZeroConf()
>>> services = zc.search()

The search can be made more specific, for example:

>>> services = zc.search(name=None, type="_workstation._tcp", domain="local")

The arguments, all optional, to the search functions are:

• name: service name, defaults to None (interpreted as all),
• type: service type, defaults to None (interpreted as all),
• domain: domain name, defaults to “local”.

Search results are dictionaries:

>>> print services
{('tide [f0:7b:cb:42:ff:e0]', '_workstation._tcp', 'local'):
   {'txt': '', 'hostname': 'tide.local', 'port': '9', 'address': '192.168.0.13'},
 ('wreck [00:26:18:4c:3f:ee]', '_workstation._tcp', 'local'):
   {'txt': '', 'hostname': 'wreck.local', 'port': '9', 'address': '192.168.0.10'},
 ('biohazard [00:18:8b:ac:c8:45]', '_workstation._tcp', 'local'):
   {'txt': '', 'hostname': 'biohazard.local', 'port': '9', 'address': '192.168.0.12'}}

The keys are (name, type, domain) tuples and the values are dictionaries with txt, hostname, port and address keys.

### Zeroconf Services Registration

Register a new zeroconf service in the local domain with:

>>> zc = ZeroConf()
>>> zc.register(name="ghost [08:00:27:bf:49:e1]", type="_workstation._tcp", port="9")

and when you’re done, unregister it with:

>>> zc = ZeroConf()
>>> zc.unregister(name="ghost [08:00:27:bf:49:e1]", type="_workstation._tcp", port="9")

All arguments to unregister are optional, so we could have done:

>>> zc = ZeroConf()
>>> zc.unregister(name="ghost [08:00:27:bf:49:e1]")

or even, to unregister all services published during the Python session:

>>> zc = ZeroConf()
>>> zc.unregister()

Contributors

• Sébastien Boisgérault <[e-mail]>: initial API design, Linux/avahi support.
• Olivier Huynh <[e-mail]>: Windows/dns-sd support.
• David Francos Cuartero <[e-mail]>: OOP rewrite, Python3 support