Add compile check tooling and CI workflow

Signed-off-by: sduvvuri1603 <sduvvuri@redhat.com>

Author: sduvvuri1603

.github/workflows/compile-and-deps.yml

@@ -0,0 +1,41 @@
+name: Compile and Validate Components
+
+on:
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  compile-check:
+    runs-on: ubuntu-24.04
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v3
+        with:
+          enable-cache: true
+          cache-dependency-glob: |
+            pyproject.toml
+            third_party/pyproject.toml
+
+      - name: Install dependencies
+        run: |
+          uv pip install --system . pytest packaging pyyaml
+
+      - name: Run compile check
+        run: |
+          python scripts/compile_check.py --tier all
+
+      - name: Run unit tests
+        run: |
+          python -m pytest scripts/test_compile_check.py
+

__init__.py

@@ -9,7 +9,16 @@
     from kubeflow.pipelines.components.pipelines import evaluation
 """
 
-# Import submodules to enable the convenient import patterns shown above
-# These imports ensure reliable access to submodules and better IDE support
-from . import components
-from . import pipelines
+# Import submodules to enable the convenient import patterns shown above.
+# When this module is imported as part of the installed package the relative
+# imports below work naturally. During certain tooling scenarios (e.g. pytest
+# collecting this file directly from the repo root) Python treats this module
+# as top-level and `__package__` is empty, so we fall back to absolute imports.
+if __package__ in (None, ""):
+    from importlib import import_module
+
+    components = import_module("kubeflow.pipelines.components.components")
+    pipelines = import_module("kubeflow.pipelines.components.pipelines")
+else:
+    from . import components  # type: ignore[F401]  # re-export for consumers
+    from . import pipelines  # type: ignore[F401]