mavio
A modern, async, Python MAVLink package
mavio is a MAVLink client for talking to autopilots — ArduPilot, PX4 or anything
else that speaks the protocol. It is two things at once: a diagnostics CLI for
bringing up hardware and inspecting a link, and an embeddable async library for
companion-compute and ground-station applications.
Quick start
No install needed — uvx builds an ephemeral environment:
uvx mavio /dev/ttyACM0 # interactive console
uvx "mavio[all]" /dev/ttyACM0 # with extras
To keep the CLI on PATH, and the optional extras — quote them, since most shells treat bare brackets as a glob:
uv tool install mavio # or: pipx install mavio
uv tool install "mavio[params]" # offline ArduPilot param metadata (~2.6 MB)
uv tool install "mavio[foxglove]" # the convert and bridge verbs (Python 3.10+)
uv tool install "mavio[all]" # both
The extras are genuinely optional. Without params, param reads still work — they
just come back without descriptions and value labels.
The CLI
Seven verbs over one link. mavio <url> with no verb opens the console.
mavio console <url> # interactive REPL (the default)
mavio stream <url> # decoded frames to stdout, then exit
mavio probe <url> # what is this board?
mavio ftp <url> ls|get|put # read/write the vehicle's filesystem
mavio convert <capture> [out] # capture -> MCAP for Foxglove
mavio bridge <url> # live link -> Foxglove websocket
mavio flash info|upload <port> # identify a board, or write firmware to it
The library
uv add mavio # or: pip install mavio
MavNode encapsulates io, serialization, state, filtering, rates, recording, and command/ack handling. Integrate or extend this class for a companion-compute and ground control station application.
License
MIT — see LICENSE.
1 maintainer
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