Add gh action to lint python

.github/workflows/python-lint.yml

@@ -0,0 +1,39 @@
+name: Ruff Linting
+
+on:
+  push:
+    branches: [ "main" ]
+    paths:
+      - 'py-denormalized/**'  # Only trigger on changes in this directory
+  pull_request:
+    branches: [ "main" ]
+    paths:
+      - 'py-denormalized/**'  # Only trigger on changes in this directory
+  workflow_dispatch:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: py-denormalized  # Set the working directory for all run steps
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'
+          cache: 'pip'
+
+      - name: Install Ruff
+        run: pip install ruff
+
+      - name: Run Ruff
+        # Ruff will look for pyproject.toml in the py-denormalized directory
+        run: |
+          # Run Ruff linter
+          ruff check .
+          # Run Ruff formatter
+          ruff format . --check

py-denormalized/pyproject.toml

@@ -33,8 +33,8 @@ dev-dependencies = [
 
 # Enable docstring linting using the google style guide
 [tool.ruff.lint]
-select = ["E4", "E7", "E9", "F", "D", "W"]
-ignore = ["D103"]
+# select = ["E4", "E7", "E9", "F", "D", "W"]
+ignore = ["F", "D100", "D101", "D102", "D103", "D107"]
 
 [tool.ruff.lint.pydocstyle]
 convention = "google"

py-denormalized/python/denormalized/feast_data_stream.py

@@ -3,7 +3,6 @@
 
 import pyarrow as pa
 from denormalized._d_internal import PyDataStream
-from denormalized.datafusion import Expr
 from feast import FeatureStore, Field
 from feast.data_source import PushMode
 from feast.type_map import pa_to_feast_value_type

py-denormalized/python/examples/udaf_example.py

@@ -9,7 +9,6 @@
 
 from denormalized import Context
 from denormalized.datafusion import Accumulator, col
-from denormalized.datafusion import functions as f
 from denormalized.datafusion import udaf