viva-genicam (Python)

Pure-Rust GenICam stack with Python bindings. Discover, control, and stream GigE Vision and USB3 Vision cameras from Python — no aravis, no C toolchain, just a wheel.

pip install viva-genicam

The install also provides viva-camctl, the diagnostic CLI, so viva-camctl report --ip <CAMERA-IP> --out viva-report.txt works without a Rust toolchain. It is the right thing to attach to a bug report.

import viva_genicam as vg

cams = vg.discover(timeout_ms=500)
cam = vg.connect_gige(cams[0])

print(cam.get("DeviceModelName"))
cam.set_exposure_time_us(10_000.0)

with cam.stream() as frames:
    for frame in frames:
        arr = frame.to_numpy()          # NumPy (H, W) or (H, W, 3) uint8
        print(frame.width, frame.height, frame.pixel_format)
        break

See the documentation for the full API.

Build from source

uv venv .venv
uv pip install --python .venv/bin/python maturin numpy pytest
uv run --python .venv/bin/python maturin develop -m crates/viva-pygenicam/Cargo.toml

Licensing

The viva-genicam code is MIT-licensed. The binary wheel additionally statically links libusb (LGPL-2.1-or-later) for USB3 Vision support, so the package license is MIT AND LGPL-2.1-or-later. See THIRD-PARTY-NOTICES.md (shipped in the wheel and sdist) for details, including how to rebuild the native module against a modified or system libusb per LGPL §6.

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