ci-python.yml

# SPDX-License-Identifier: MIT
# Copyright (c) 2025–2026 Rohan R

name: CI – Python sanity checks (no hardware)

on:
  push:
    branches: ["main"]
  pull_request:

jobs:
  python-ci:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4

      - name: Set up Python
        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
        with:
          python-version: "3.11"

      - name: Upgrade pip
        run: python -m pip install --upgrade pip

      # Your requirements include Pi-only packages (picamera2, RPi.GPIO, gpiozero).
      # On ubuntu-latest these typically fail to install, so we filter them out for CI.
      - name: Install CI-safe dependencies (filtered)
        run: |
          python - <<'PY'
          from pathlib import Path

          req = Path("requirements.txt")
          if not req.exists():
            print("No requirements.txt found; skipping install.")
            raise SystemExit(0)

          skip = {
            "picamera2",
            "RPi.GPIO",
            "gpiozero",
          }

          out = []
          for line in req.read_text().splitlines():
            s = line.strip()
            if not s or s.startswith("#"):
              continue
            name = s.split("==")[0].strip()
            if name in skip:
              print(f"CI skip: {s}")
              continue
            out.append(s)

          Path("requirements.ci.txt").write_text("\n".join(out) + "\n")
          print("Wrote requirements.ci.txt")
          PY

          pip install -r requirements.ci.txt

      - name: Compile (syntax check only; no execution)
        run: |
          python -m compileall \
            dev2/__init__.py \
            dev2/button_listener.py \
            dev2/calibration.py \
            dev2/cleanup_jpgs.py \
            dev2/doorsense.py \
            dev2/fetch_model.py \
            dev2/led.py \
            dev2/main_mjpeg_server.py \
            dev2/maincontroller.py \
            dev2/maindiagnostics.py \
            dev2/maingcodesender.py \
            dev2/mainusbcamera.py \
            dev2/qrtest.py \
            dev2/raspberry_camera.py