MonkeyCanCode commented on code in PR #1096:
URL: https://github.com/apache/polaris/pull/1096#discussion_r1980580308


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.github/workflows/python-client.yml:
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@@ -0,0 +1,85 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+# This workflow will build a Python project with Poetry and cache/restore any 
dependencies to improve the workflow execution time
+# For more information see: 
https://docs.github.com/en/actions/use-cases-and-examples/building-and-testing/building-and-testing-python
+
+name: Python CI with Poetry
+
+on:
+  push:
+    branches: [ "main" ]
+    paths:
+      - 'regtests/client/python/**'
+  pull_request:
+    branches: [ "main" ]
+    paths:
+      - 'regtests/client/python/**'
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+
+    steps:
+      - name: Checkout Polaris project
+        uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Cache Poetry
+        id: cache-poetry
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache/pypoetry
+          key: ${{ runner.os }}-poetry-${{ 
hashFiles('regtests/client/python/poetry.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-poetry-
+
+      - name: Install Poetry
+        if: steps.cache-poetry.outputs.cache-hit != 'true'
+        run: |
+          curl -sSL https://install.python-poetry.org | python3 -
+          export PATH="$HOME/.local/bin:$PATH"
+
+      - name: Install dependencies
+        working-directory: regtests/client/python
+        run: poetry install
+
+      - name: Lint with flake8
+        working-directory: regtests/client/python
+        run: |
+          # stop the build if there are Python syntax errors or undefined names
+          poetry run flake8 . --count --select=E9,F63,F7,F82 --show-source 
--statistics
+          # exit-zero treats all errors as warnings. The GitHub editor is 127 
chars wide
+          poetry run flake8 . --count --exit-zero --max-complexity=10 
--max-line-length=127 --statistics
+
+      - name: Test with pytest
+        working-directory: regtests/client/python
+        run: poetry run pytest

Review Comment:
   This is the SCRIPT_DIR I was referring to:
   ```
   (polaris-venv) ➜  python git:(main) ✗ poetry run pytest
   The "poetry.dev-dependencies" section is deprecated and will be removed in a 
future version. Use "poetry.group.dev.dependencies" instead.
   ========================================================================== 
test session starts 
===========================================================================
   platform darwin -- Python 3.13.0, pytest-8.3.5, pluggy-1.5.0
   rootdir: /Users/yong/Desktop/GitHome/polaris/regtests/client/python
   configfile: pyproject.toml
   plugins: anyio-4.8.0
   collected 208 items / 1 error
   
   
=================================================================================
 ERRORS 
=================================================================================
   _______________________________________________________________ ERROR 
collecting test/test_cli_parsing.py 
________________________________________________________________
   test/test_cli_parsing.py:26: in <module>
       from cli.command import Command
   cli/command/__init__.py:22: in <module>
       from cli.constants import Commands, Arguments
   cli/constants.py:241: in <module>
       raise Exception("The SCRIPT_DIR environment variable is not set. Please 
set it to the Polaris's script directory.")
   E   Exception: The SCRIPT_DIR environment variable is not set. Please set it 
to the Polaris's script directory.
   ```
   
   You can get around it with following:
   ```
    SCRIPT_DIR="" poetry run pytest
    ```
   
   Also, quick checks shows we do have spark deps but you are not hitting it as 
you are on the wrong test dir. We should run test on `regtests` this will 
include a lot more testings (this will fail as it will need polaris server to 
be up running and not just mock tests which is the dir you were hitting 
earlier). Then here is an example script path where we are invoking spark: 
`./t_pyspark/src/iceberg_spark.py` 



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