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add opencv-plot node for dora dataflows #2

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cristhian merged 4 commits from add-opencv-plot-node into main 2026-09-11 10:34:36 +00:00
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4 Commits
Author SHA1 Message Date
cristhianandClaude Opus 5 702812c35f fix duplicate CI runs by scoping the push trigger to main
validate / validate (pull_request) Successful in 58m50s
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validate / test (pull_request) Successful in 59m57s
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A pull request ran the workflow twice on the same commit, once for the
branch push and once for the PR.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01JPUZks9z3Pi5oxw9GQ9znt
 2026-09-11 06:47:00 -03:00
cristhianandClaude Opus 5 cdc17d2787 fix cv2 import in CI by installing the OpenCV shared libraries 
The opencv-python wheel links against libGL at import time, so pytest
failed at collection with ImportError: libGL.so.1 on the runner image.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01JPUZks9z3Pi5oxw9GQ9znt
 2026-09-11 06:46:56 -03:00
cristhianandClaude Opus 5 7c8eec9e81 add pyarrow as an explicit dependency 
The bbox input path and the tests import pyarrow directly; it was
present only because dora-rs pulls it in transitively.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01JPUZks9z3Pi5oxw9GQ9znt
 2026-09-11 06:46:52 -03:00
cesar 43cb1ff01c add opencv-plot node for dora dataflows
validate / validate (push) Successful in 58m52s
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validate / test (push) Failing after 58m59s
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validate / validate (pull_request) Successful in 58m50s
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validate / test (pull_request) Failing after 58m53s
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A display sink that overlays bounding boxes and text on an image input and
shows it in an OpenCV window. Based on opencv-plot from dora-hub, brought up
to the dora 1.0 node contract and packaged with uv.

Python rather than Rust: the opencv Rust crate generates its bindings from the
OpenCV headers on the build machine, so it needs libopencv-dev and libclang-dev
per machine and per architecture and does not cross-compile. Every dependency
here ships prebuilt wheels for linux-x86_64, linux-aarch64 and macos-arm64.

Covers every encoding the upstream node did — bgr8, rgb8, jpeg/jpg/jpe/bmp/
webp/png, yuv420 and avif — plus both bbox formats, the text overlay,
PLOT_WIDTH/PLOT_HEIGHT and headless operation under CI=true.
 2026-09-10 18:55:28 -03:00