feat(#59): add Python package scaffolding for ODT pipeline

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ on:
     branches: [main]
 
 jobs:
-  build-and-test:
+  c-build-and-test:
     runs-on: ubuntu-latest
 
     steps:
@@ -24,3 +24,21 @@ jobs:
 
       - name: Test
         run: ctest --preset unit_test --exclude-regex UnitTestDataLoader
+
+  python-test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+
+      - name: Set up Python
+        run: uv python install 3.12
+
+      - name: Install dependencies
+        run: uv sync
+
+      - name: Test
+        run: uv run pytest

.gitignore

@@ -9,7 +9,7 @@
 
 ### Python
 .venv
-*/__pycache__/
+**/__pycache__/
 config.bin
 *.npy
 

devenv.nix

@@ -27,7 +27,7 @@ in
       enable = true;
       package = unstablePkgs.uv;
       sync.enable = true;
-      sync.allExtras = true;
+      sync.arguments = [ "--all-groups" ];
     };
   };
 
@@ -66,9 +66,10 @@ in
 				cmake --preset unit_test
 				cmake --build --preset unit_test
 				ctest --preset unit_test
+				uv run pytest
 			'';
 			package = pkgs.bash;
-			description = "Run the full CI pipeline locally (configure, build, test)";
+			description = "Run the full CI pipeline locally (C + Python tests)";
 		};
 
 };
@@ -78,6 +79,9 @@ in
   };
 
   enterShell = ''
+    if [ ! -L "$DEVENV_ROOT/.venv" ]; then
+      ln -sf "$DEVENV_STATE/venv" "$DEVENV_ROOT/.venv"
+    fi
     echo
     echo "Welcome back"
     echo

main.py

@@ -0,0 +1,6 @@
+def main():
+    print("Hello from ondevicetraining!")
+
+
+if __name__ == "__main__":
+    main()

pyproject.toml

@@ -0,0 +1,26 @@
+[project]
+name = "odt"
+version = "0.1.0"
+description = "ODT Python pipeline: providers, ir2c, resource estimation for on-device training"
+requires-python = ">=3.12"
+dependencies = [
+    "elasticai-creator @ git+https://github.com/es-ude/elastic-ai.creator.git@training-implementation-provider",
+]
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.hatch.metadata]
+allow-direct-references = true
+
+[tool.hatch.build.targets.wheel]
+packages = ["python/odt"]
+
+[tool.pytest.ini_options]
+testpaths = ["python/tests"]
+
+[dependency-groups]
+dev = [
+    "pytest>=8.0",
+]

python/tests/test_smoke.py

@@ -0,0 +1,25 @@
+"""Smoke test: verify package structure and creator dependency are accessible."""
+
+from elasticai.creator.experimental.ir.implementation_provider.implementation_provider import (
+    TrainingImplementationProvider,
+    apply_training_provider,
+)
+
+
+def test_odt_package_importable():
+    from odt import providers, ir2c, resource_estimator
+
+    assert providers is not None
+    assert ir2c is not None
+    assert resource_estimator is not None
+
+
+def test_creator_protocol_accessible():
+    assert hasattr(TrainingImplementationProvider, "model_attributes")
+    assert hasattr(TrainingImplementationProvider, "training_function")
+    assert hasattr(TrainingImplementationProvider, "optimizer")
+    assert hasattr(TrainingImplementationProvider, "loss")
+
+
+def test_apply_training_provider_callable():
+    assert callable(apply_training_provider)