pyvisa-rs

A PyVISA backend powered by rsvisa-rs, a Rust port of pyvisa-py. Select it from PyVISA with the @rs library spec.

Install

From a clone of this repo, with an activated virtualenv:

cd pyvisa-rs
maturin develop

This builds the Rust extension and installs the pyvisa-rs package into the current environment. PyVISA discovers it automatically via its pyvisa_* package scan.

Usage

import pyvisa

rm = pyvisa.ResourceManager("@rs")

print(rm.list_resources())

with rm.open_resource("TCPIP::192.168.1.10::INSTR") as instr:
    instr.timeout = 5000
    print(instr.query("*IDN?"))

That's it — once "@rs" is passed to ResourceManager, the rest of the PyVISA API works exactly as it does against any other backend.

Backends supported

The Rust backend mirrors pyvisa-py's transports:

  • TCPIP::...::INSTR (VXI-11)
  • TCPIP::...::SOCKET
  • TCPIP::...::HISLIP
  • USB::...::INSTR / USB::...::RAW
  • ASRL...::INSTR (serial)

Comparing against pyvisa-py

examples/discovery.py runs list_resources() through both backends and diffs the results:

uv run --with pyvisa --with pyserial --with pyusb \
       --with libusb-package --with zeroconf --with pyvisa-py \
       examples/discovery.py

Pass --reinstall-package pyvisa-rs after editing Rust sources — uv's wheel cache does not invalidate on Rust source changes.

Key dates

PyPI data
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  • Released:
Latest release

1 maintainer

PyPI data
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Avatar for the-brave-scout from gravatar.com the-brave-scout

Credits

Author: Alexander Hill

License

Apache-2.0

Requires

Python >=3.10

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