ci: Test against lowest supported direct dependencies

.github/workflows/test.yml

@@ -11,23 +11,38 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["latest", "previous"]
+        include:
+          - mode: latest
+          - mode: previous
+          - mode: lowest-direct
 
     steps:
       - uses: actions/checkout@v7
         with:
           show-progress: false
 
       - uses: astral-sh/setup-uv@v5
+        with:
+          cache-suffix: ${{ matrix.mode }}
 
       - name: Install, sync, test
         run: |
-          if [ "${{ matrix.python-version }}" = "previous" ]; then
-            LATEST=$(uv python list --only-downloads 2>/dev/null | grep -oP '3\.\d+' | sort -t. -k2 -n | tail -1)
-            PREV=$((${LATEST#3.} - 1))
+          if [ "${{ matrix.mode }}" = "previous" ]; then
+            LATEST=$(uv python list --only-downloads 2>/dev/null \
+              | grep -vE '3\.[0-9]+\.[0-9]+[a-z]' \
+              | grep -oP '^cpython-3\.\K[0-9]+' \
+              | sort -n | tail -1)
+            PREV=$((${LATEST} - 1))
             uv python install "3.$PREV"
             uv sync --extra test --python "3.$PREV"
             uv run --python "3.$PREV" pytest -n auto --tb=short
+          elif [ "${{ matrix.mode }}" = "lowest-direct" ]; then
+            uv python install 3.11
+            uv pip compile pyproject.toml --resolution lowest-direct --python 3.11 -o /tmp/lowest-base.txt
+            uv venv --python 3.11 /tmp/lowest-venv
+            uv pip install --python /tmp/lowest-venv/bin/python -r /tmp/lowest-base.txt
+            uv pip install --python /tmp/lowest-venv/bin/python ".[test]"
+            /tmp/lowest-venv/bin/python -m pytest -n auto --tb=short
           else
             uv python install
             uv sync --extra test
@@ -41,4 +56,4 @@ jobs:
         with:
           files: ./coverage.xml
           token: ${{ secrets.CODECOV_TOKEN }}
-        if: matrix.python-version == 'latest'
+        if: matrix.mode == 'latest'

delaynet/detrending_methods/__init__.py

@@ -26,7 +26,8 @@
 
 # Extend named detrending methods with the function name
 # e.g. adds "second_difference": second_difference
-for method in __all_detrending__:
+# Iterate in deterministic order so dict insertion order is stable across processes.
+for method in sorted(__all_detrending__, key=lambda m: m.__name__):
     __all_detrending_names__[method.__name__] = method
 
 # Convenient name dict: "method.__name__": ["method", "method short", ...]

pyproject.toml

@@ -28,13 +28,13 @@ classifiers = [
 dynamic = ["readme", "version"]
 requires-python = ">=3.11,<3.15"
 dependencies = [
-    "numpy",
-    "scipy",
-    "statsmodels",
-    "scikit-learn",
-    "numba",
-    "infomeasure>=0.5.0",
-    "igraph",
+    "numpy>=2.0.1",
+    "scipy>=1.13.0",
+    "statsmodels>=0.13.3",
+    "scikit-learn>=1.5.0",
+    "numba>=0.59.0",
+    "infomeasure>=0.6.2",
+    "igraph>=0.11.5",
     "synthatdelays>=1.0.2",
 ]
 

tests/conftest.py

@@ -77,7 +77,7 @@ def connectivity_metric_kwargs(request):
 
 @pytest.fixture(
     scope="session",
-    params=__all_detrending__,
+    params=sorted(__all_detrending__, key=lambda method: method.__name__),
 )
 def detrending_function(request):
     """Return a detrending function."""