From 2c94a7779e0dbc9dfde554745d272b04a8d5053a Mon Sep 17 00:00:00 2001
From: Christoph Plett <plett@faccts.de>
Date: Wed, 10 Dec 2025 12:10:52 +0100
Subject: [PATCH 1/2] Addition of Nox PR check

Signed-off-by: Christoph Plett <plett@faccts.de>
---
 .github/workflows/pr_nox.yml | 37 ++++++++++++++++++++++++++++++++++++
 tests/mlatom/test_mlatom.py  |  3 ++-
 2 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 .github/workflows/pr_nox.yml

diff --git a/.github/workflows/pr_nox.yml b/.github/workflows/pr_nox.yml
new file mode 100644
index 0000000..2687a94
--- /dev/null
+++ b/.github/workflows/pr_nox.yml
@@ -0,0 +1,37 @@
+name: PR quality (nox)
+
+on:
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  nox:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-latest
+            python-version: "3.11"
+          - os: ubuntu-latest
+            python-version: "3.12"
+          - os: ubuntu-latest
+            python-version: "3.13"
+          - os: windows-latest
+            python-version: "3.13"
+          - os: macos-latest
+            python-version: "3.13"
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install nox
+        run: python -m pip install --upgrade pip nox
+
+      - name: Run Nox static checks
+        run: python -m nox -t static_check
diff --git a/tests/mlatom/test_mlatom.py b/tests/mlatom/test_mlatom.py
index 7c2aa2c..12eb806 100644
--- a/tests/mlatom/test_mlatom.py
+++ b/tests/mlatom/test_mlatom.py
@@ -1,4 +1,5 @@
 import unittest
+
 import torchani
 
 from oet import ROOT_DIR
@@ -33,7 +34,7 @@ class MLatomTests(unittest.TestCase):
     def setUpClass(cls):
         # Force download / initialization of ANI-1ccx once
         torchani.models.ANI1ccx(periodic_table_index=True)
-        
+
     def test_H2O_engrad(self):
         xyz_file, input_file, engrad_out, output_file = get_filenames("H2O")
         write_xyz_file(xyz_file, WATER)

From 02a2a2c0e0320bfe5a04af54a2e276bfe5d2f3d0 Mon Sep 17 00:00:00 2001
From: Christoph Plett <plett@faccts.de>
Date: Wed, 10 Dec 2025 13:56:02 +0100
Subject: [PATCH 2/2] Fix oet for windows

Signed-off-by: Christoph Plett <plett@faccts.de>
---
 src/oet/server_client/server.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/oet/server_client/server.py b/src/oet/server_client/server.py
index 4414106..8d3c2d6 100755
--- a/src/oet/server_client/server.py
+++ b/src/oet/server_client/server.py
@@ -22,6 +22,7 @@
 import logging
 import os
 import signal
+import sys
 import threading
 import time
 import traceback
@@ -542,7 +543,8 @@ def worker_initializer() -> None:
     """Initialize a worker process by restoring default signal handling."""
     signal.signal(signal.SIGTERM, signal.SIG_DFL)
     signal.signal(signal.SIGINT, signal.SIG_DFL)
-    signal.signal(signal.SIGHUP, signal.SIG_DFL)
+    if sys.platform != "win32":
+        signal.signal(signal.SIGHUP, signal.SIG_DFL)
 
 
 def main() -> None:
@@ -616,7 +618,8 @@ def main() -> None:
 
     signal.signal(signal.SIGTERM, lambda s, f: cleanup_and_exit(s, f, executor, parser))
     signal.signal(signal.SIGINT, lambda s, f: cleanup_and_exit(s, f, executor, parser))
-    signal.signal(signal.SIGHUP, lambda s, f: cleanup_and_exit(s, f, executor, parser))
+    if sys.platform != "win32":
+        signal.signal(signal.SIGHUP, lambda s, f: cleanup_and_exit(s, f, executor, parser))
 
     # Create workers
     workers = args.nthreads