Merge branch 'master' into cy/gentl-cti-lock-fix

Author: C-Achard

.github/workflows/testing-ci.yml

@@ -61,8 +61,9 @@ jobs:
             libxcb-cursor0
 
       - name: Run tests (exclude hardware) with coverage via tox
+        shell: bash -eo pipefail {0}
         run: |
-          tox -q | tee tox-output.log
+          tox -q 2>&1 | tee tox-output.log
 
 
       - name: Append Coverage Summary to Job
@@ -85,3 +86,43 @@ jobs:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: ./.coverage.py312.xml
           fail_ci_if_error: false
+
+  dlclive-compat:
+    name: DLCLive Compatibility • ${{ matrix.label }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - label: pypi-1.1
+            tox_env: dlclive-pypi
+          - label: github-main
+            tox_env: dlclive-github
+
+    steps:
+      - uses: actions/checkout@v6
+
+      - uses: actions/setup-python@v6
+        with:
+          python-version: '3.12'
+          cache: 'pip'
+
+      - name: Install Qt/OpenGL runtime deps (Ubuntu)
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y \
+            libegl1 \
+            libgl1 \
+            libopengl0 \
+            libxkbcommon-x11-0 \
+            libxcb-cursor0
+
+      - name: Install tox
+        run: |
+          python -m pip install -U pip wheel
+          python -m pip install -U tox tox-gh-actions
+
+      - name: Run DLCLive compatibility tests via tox
+        shell: bash -eo pipefail {0}
+        run: |
+          tox -e ${{ matrix.tox_env }} -q

dlclivegui/gui/main_window.py

@@ -196,14 +196,17 @@ def __init__(self, config: ApplicationSettings | None = None):
 
         # Validate cameras from loaded config (deferred to allow window to show first)
         # NOTE IMPORTANT (tests/CI): This is scheduled via a QTimer and may fire during pytest-qt teardown.
-        QTimer.singleShot(100, self._validate_configured_cameras)
+        # NOTE @C-Achard 2026-03-02: Handling this in closeEvent should help
+        self._camera_validation_timer = QTimer(self)
+        self._camera_validation_timer.setSingleShot(True)
+        self._camera_validation_timer.timeout.connect(self._validate_configured_cameras)
+        self._camera_validation_timer.start(100)
         # If validation triggers a modal QMessageBox (warning/error) while the parent window is closing,
         # it can cause errors with unpredictable timing (heap corruption / access violations).
         #
         # Mitigations for tests/CI:
         #   - Disable this timer by monkeypatching _validate_configured_cameras in GUI tests
         #   - OR monkeypatch/override _show_warning/_show_error to no-op in GUI tests (easiest)
-        #   - OR use a cancellable QTimer attribute and stop() it in closeEvent
 
     def resizeEvent(self, event):
         super().resizeEvent(event)
@@ -1373,7 +1376,7 @@ def _on_multi_frame_ready(self, frame_data: MultiFrameData) -> None:
             dlc_cam_id = selected_id
         else:
             dlc_cam_id = available_ids[0] if available_ids else ""
-            if dlc_cam_id is not None:
+            if dlc_cam_id:
                 self._inference_camera_id = dlc_cam_id
                 self._set_dlc_combo_to_id(dlc_cam_id)
                 self.statusBar().showMessage(
@@ -2021,6 +2024,8 @@ def closeEvent(self, event: QCloseEvent) -> None:  # pragma: no cover - GUI beha
         if self.multi_camera_controller.is_running():
             self.multi_camera_controller.stop(wait=True)
 
+        if hasattr(self, "_camera_validation_timer") and self._camera_validation_timer.isActive():
+            self._camera_validation_timer.stop()
         # Stop all multi-camera recorders
         self._rec_manager.stop_all()
 

dlclivegui/gui/recording_manager.py

@@ -139,7 +139,7 @@ def write_frame(self, cam_id: str, frame: np.ndarray, timestamp: float | None =
         if not rec or not rec.is_running:
             return
         try:
-            rec.write(frame, timestamp=timestamp or time.time())
+            rec.write(frame, timestamp=timestamp if timestamp is not None else time.time())
         except Exception as exc:
             log.warning("Failed to write frame for %s: %s", cam_id, exc)
             try: