zwave-js-server-python

Python library for communicating with zwave-js-server. Goal for this library is to replicate the structure and the events of Z-Wave JS 1:1. So it has a Driver, Controller and Node classes.

Setup development environment

To setup your development environment, run scripts/setup, which will install all requirements and set up pre-commit checks.

Trying it out

python3 -m zwave_js_server ws://localhost:3000

Or get the version of the server

python3 -m zwave_js_server ws://localhost:3000 --server-version

Or dump the state. Optionally add --event-timeout 5 if you want to listen 5 seconds extra for events.

python3 -m zwave_js_server ws://localhost:3000 --dump-state

Sending commands

try:
    result = await client.async_send_command({ "command": "start_listening" })
except zwave_js_server.client.FailedCommand as err:
    print("Command failed with", err.error_code)

Access control

Schema 48 adds typed access-control helpers exposed via the AccessControlAPI wrapper:

  • node.access_control: shortcut for the root endpoint API.
  • endpoint.access_control: API for a specific endpoint.
  • Call await endpoint.access_control.is_supported() before using other methods.
  • Credential payloads accept str | bytes; binary credentials are converted to the websocket Buffer transport shape internally.

Project links

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Latest release

1 maintainer

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Credits

Author: Home Assistant Team

GitHub Statistics

Data verified by PyPI on Aug 17, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License expression

Apache-2.0
View SPDX License List

Requires

Python >=3.12

Tags

home automation zwave zwave-js

Classifiers

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