Pure Python Multicast DNS Service Discovery Library (Bonjour/Avahi compatible)
Project description
python-zeroconf
This is fork of pyzeroconf, Multicast DNS Service Discovery for Python, originally by Paul Scott-Murphy (https://github.com/paulsm/pyzeroconf), modified by William McBrine (https://github.com/wmcbrine/pyzeroconf).
This fork is used in all of my TiVo-related projects: HME for Python (and therefore HME/VLC), Network Remote, Remote Proxy, and pyTivo. Before this, I was tracking the changes for zeroconf.py in three separate repos. I figured I should have an authoritative source.
Although I make changes based on my experience with TiVos, I expect that they’re generally applicable. This version also includes patches found on the now-defunct (?) Launchpad repo of pyzeroconf, and elsewhere around the net – not always well-documented, sorry.
Compatible with:
Bonjour
Avahi
Compared to some other Zeroconf/Bonjour/Avahi Python packages, python-zeroconf:
isn’t tied to Bonjour or Avahi
doesn’t use D-Bus
doesn’t force you to use particular event loop or Twisted
is pip-installable
has PyPI distribution
Python compatibility
CPython 2.6, 2.7, 3.3+
PyPy 2.2+ (possibly 1.9-2.1 as well)
How to get python-zeroconf?
PyPI page https://pypi-hypernode.com/pypi/zeroconf
GitHub project https://github.com/jstasiak/python-zeroconf
The easiest way to install python-zeroconf is using pip:
pip install zeroconf
How do I use it?
Here’s an example:
from six.moves import input
from zeroconf import ServiceBrowser, Zeroconf
class MyListener(object):
def remove_service(self, zeroconf, type, name):
print("Service %s removed" % (name,))
def add_service(self, zeroconf, type, name):
info = zeroconf.get_service_info(type, name)
print("Service %s added, service info: %s" % (name, info))
zeroconf = Zeroconf()
listener = MyListener()
browser = ServiceBrowser(zeroconf, "_http._tcp.local.", listener)
try:
input("Press enter to exit...\n\n")
finally:
zeroconf.close()See examples directory for more.
Changelog
0.17.0
Added some Python dependencies so it’s not zero-dependencies anymore
Improved exception handling (it’ll be quieter now)
Messages are listened to and sent using all available network interfaces by default (configurable)
Started using logging more freely
Fixed a bug with binary strings as property values being converted to False (https://github.com/jstasiak/python-zeroconf/pull/10)
Added new ServiceBrowser event handler interface (see the examples)
PyPy3 now officially supported
0.16.0
Set up Python logging and started using it
Cleaned up code style (includes migrating from camel case to snak case)
0.15.1
Fixed handling closed socket (GitHub #4)
0.15
Forked by Jakub Stasiak
Made Python 3 compatible
Added setup script, made installable by pip and uploaded to PyPI
Set up Travis build
Reformatted the code and moved files around
Stopped catching BaseException in several places, that could hide errors
Marked threads as daemonic, they won’t keep application alive now
0.14
Fix for SOL_IP undefined on some systems - thanks Mike Erdely.
Cleaned up examples.
Lowercased module name.
0.13
Various minor changes; see git for details.
No longer compatible with Python 2.2. Only tested with 2.5-2.7.
Fork by William McBrine.
0.12
allow selection of binding interface
typo fix - Thanks A. M. Kuchlingi
removed all use of word ‘Rendezvous’ - this is an API change
0.11
correction to comments for addListener method
support for new record types seen from OS X - IPv6 address - hostinfo
ignore unknown DNS record types
fixes to name decoding
works alongside other processes using port 5353 (e.g. on Mac OS X)
tested against Mac OS X 10.3.2’s mDNSResponder
corrections to removal of list entries for service browser
0.10
Jonathon Paisley contributed these corrections: - always multicast replies, even when query is unicast - correct a pointer encoding problem - can now write records in any order - traceback shown on failure - better TXT record parsing - server is now separate from name - can cancel a service browser
modified some unit tests to accommodate these changes
0.09
remove all records on service unregistration
fix DOS security problem with readName
0.08
changed licensing to LGPL
0.07
faster shutdown on engine
pointer encoding of outgoing names
ServiceBrowser now works
new unit tests
0.06
small improvements with unit tests
added defined exception types
new style objects
fixed hostname/interface problem
fixed socket timeout problem
fixed add_service_listener() typo bug
using select() for socket reads
tested on Debian unstable with Python 2.2.2
0.05
ensure case insensitivty on domain names
support for unicast DNS queries
0.04
added some unit tests
added __ne__ adjuncts where required
ensure names end in ‘.local.’
timeout on receiving socket for clean shutdown
License
LGPL, see COPYING file for details.
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