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Python implementation of a W3C WoT Runtime and the WoT Scripting API

Project description

:warning: Please note that this project is currently behind the current version of the W3C WoT specifications. Our intention is to get it up to speed and implement the latest Thing Description and Scripting API versions. However, we cannot provide a timeframe for this update.


Travis (.com) Coverage Status PyPI


WoTPy is an experimental implementation of a W3C WoT Runtime and the W3C WoT Scripting API in Python.

Inspired by the exploratory implementations located in the thingweb GitHub page.


  • Supports Python 2.7 and Python 3.
  • Fully-implemented WoT interface.
  • Multicast discovery based on mDNS.
  • Asynchronous I/O programming model based on coroutines.
  • Multiple client and server Protocol Binding implementations.

Feature support matrix

Feature Python 2.7 Python 3 Implementation based on
HTTP binding :heavy_check_mark: :heavy_check_mark: tornadoweb/tornado
WebSockets binding :heavy_check_mark: :heavy_check_mark: tornadoweb/tornado
CoAP binding :heavy_multiplication_x: :heavy_check_mark: chrysn/aiocoap
MQTT binding :heavy_multiplication_x: :heavy_check_mark: beerfactory/hbmqtt
mDNS discovery :heavy_multiplication_x: :heavy_check_mark: jstasiak/python-zeroconf

Couroutine APIs

WoTPy is based on the Tornado Framework. Users therefore have two different API options to write code based on coroutines:

  • Users on Python 3 may use the native asyncio module. This is, in fact, the recommended approach. It should be noted that Tornado on Python 3 acts basically as a wrapper around asyncio.
  • Users on Python 2.7 are restricted to writing Tornado coroutines (asyncio is not available on Python 2.7).


pip install wotpy


To install in development mode with all the test dependencies:

pip install -U -e .[tests]

To run the tests in all supported environments:

WOTPY_TESTS_MQTT_BROKER_URL=mqtt://broker-url tox


Move to the docs folder and run:

make html

If you attempt to build the docs on a non-Linux platform or with Python 2.7 _autosummary will complain about being unable to import the unsupported modules (e.g. MQTT on Python 2.7). In this case the docs will be missing the sections regarding unsupported features.

Project details

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