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WS-Discovery implementation for python

Project description

Documentation Status

WS-Discovery in Python

This is WS-Discovery implementation for Python 3. It allows to both discover services and publish discoverable services. For Python 2 support, use the latest 1.x version of this package.

Extensive package documentation is available at ReadTheDocs.

Basic usage

A simple wsdiscover command-line client is provided for discovering WS-Discovery compliant devices and systems. Run wsdiscover --help for usage instructions.

Here's an example of how to use the package in your Python code. The following code first publishes a service and then discovers it:

    from wsdiscovery.discovery import ThreadedWSDiscovery as WSDiscovery
    from wsdiscovery.publishing import ThreadedWSPublishing as WSPublishing
    from wsdiscovery import QName, Scope

    # Define type, scope & address of service
    ttype1 = QName("", "Device")
    scope1 = Scope("onvif://")
    xAddr1 = "localhost:8080/abc"

    # Publish the service
    wsp = WSPublishing()
    wsp.publishService(types=[ttype1], scopes=[scope1], xAddrs=[xAddr1])

    # Discover it (along with any other service out there)
    wsd = WSDiscovery()
    services = wsd.searchServices()
    for service in services:
        print(service.getEPR() + ":" + service.getXAddrs()[0])

Development state

This is not 100% complete and correct WS-Discovery implementation. It doesn't verify data received from the network. It may crash, and might contain security holes. No guarantees - test it carefully for your use case.

Authors and maintaining

Original version created by L.A. Fernando.

Code was then forked and maintained by Andrei Kopats.

Python2 support fixes by Michael Leinartas.

Python3 port done by Pieter Jordaan.

Packaging, major refactoring & command-line clients and reStructuredText package documentation by Petri Savolainen.


2.0.0 (2020-04-16)

  • decoupled threaded networking from ws-discovery implementation
  • refactored app-level discovery & publishing code into their own modules
  • refactored message construction, serialization & deserialization
  • added new wspublish command-line client to publish a service
  • added unicast discovery support to wsdiscovercommand-line client
  • collected all namespaces in one module
  • improved README example
  • good documentation in reStructuredText with Sphinx
  • removed Python 2 support code

1.1.2 (2019-01-01)

  • Refactoring & Python2 fixes
  • Introduce automated Travis testing

1.1.1 (2018-12-21)

  • Fix packaging

1.1.0 (2018-12-21)

  • Add a simple command-line client (petri)
  • Debugging support, including message capture (petri)
  • Fix breakage caused by refactoring (petri)
  • Simple tests (petri)

1.0.0 (2018-12-18)

  • Improved packaging (petri)
  • Modularize & refactor (petri)
  • Better Python2 support (mleinart)

0.2 (2017-05-19)

  • First release @pypi (petri)

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