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cupido/scripts/barrier_picker_app
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Giorgio Gilestro 12568b82cc Welcome modal + port 8085 
Add a dismissable welcome modal that walks first-time users through the
proper annotation sequence (slider to end → check open ROIs → slider to
start → arrow-key fine-tune → click). Stays hidden after the first
"Got it" via localStorage; the ? button in the header reopens it any
time. Picker keyboard shortcuts are inert while the modal is showing.

Container exposes 8085 instead of 8000 (8000 was free, but Giorgio's
preferred 8082 is already in use on this host; 8085 is the closest
free port). Internal port stays 8000 so the FastAPI app is unchanged.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-01 14:15:42 +01:00
..
static Welcome modal + port 8085 2026-05-01 14:15:42 +01:00
app.py Show experimental metadata above the video in the picker 2026-05-01 12:54:40 +01:00
docker-compose.yml Welcome modal + port 8085 2026-05-01 14:15:42 +01:00
Dockerfile Add barrier_picker_app — Dockerised web picker for barrier opening 2026-05-01 12:33:28 +01:00
README.md Welcome modal + port 8085 2026-05-01 14:15:42 +01:00
requirements.txt Add barrier_picker_app — Dockerised web picker for barrier opening 2026-05-01 12:33:28 +01:00

README.md

Cupido — web-based barrier-opening picker

A small FastAPI + HTML5-video app for annotating the barrier-opening moment in each tracked recording. Lives in its own Docker container so it can run on the lab server without polluting any existing environment.

What it does

For every video referenced by all_video_info_merged.tsv that has a tracking DB on disk and isn't yet in barrier_opening.csv, it serves a <video> element pre-loaded with that mp4. The analyst plays / scrubs / pauses at the moment the barrier opens, then clicks one of:

button meaning written to bad_rois
All barriers open every ROI (1..6) is usable post-opening empty
Upper barriers open only the top row opens (ROIs 1, 3, 5) 2,4,6
Lower barriers open only the bottom row opens (ROIs 2, 4, 6) 1,3,5

Plus a Skip (advance without saving) and Unusable (write opening_s = NaN).

Keyboard shortcuts

  • Space — play / pause
  • ← / → — ±5 s
  • Shift+arrows — ±1 s
  • Ctrl+arrows — ±0.1 s
  • , / . — ±1 frame
  • 1 / 2 / 3 — All / Upper / Lower
  • s — skip ; u — unusable

Run locally (docker compose)

cd scripts/barrier_picker_app
docker compose up --build

Then browse to http://localhost:8085/.

The container mounts:

  • /mnt/data/projects/cupido (data volume, read-only)
  • /mnt/ethoscope_data/videos (source mp4s, read-only)
  • data/metadata/ from the repo (read-write — for persisting barrier_opening.csv)

Adjust paths in docker-compose.yml if your layout differs.

Run without Docker (development)

cd scripts/barrier_picker_app
pip install -r requirements.txt
python app.py     # serves on http://localhost:8000

By default it expects:

  • merged TSV at /mnt/data/projects/cupido/all_video_info_merged.tsv
  • inventory at /cupido/data/metadata/video_inventory.csv
  • writes to /cupido/data/metadata/barrier_opening.csv

Override via environment variables:

CUPIDO_DATA_VOLUME=/path/to/data \
CUPIDO_INVENTORY_CSV=$(pwd)/../../data/metadata/video_inventory.csv \
CUPIDO_OUTPUT_CSV=$(pwd)/../../data/metadata/barrier_opening.csv \
python app.py