[#2518] feat(build): support Github CI for client-python (#2684)

### What changes were proposed in this pull request?

 - use Gradle to manage Python build.
 - add Github CI
 - `./gradlew clean clients:client-python:test`

### Why are the changes needed?

Fix: #2518 

### Does this PR introduce _any_ user-facing change?

- no

### How was this patch tested?

- `./gradlew clean clients:client-python:test`

.github/workflows/backend-integration-test.yml

@@ -26,7 +26,10 @@ jobs:
               - api/**
               - bin/**
               - catalogs/**
-              - clients/**
+              - clients/client-java/**
+              - clients/client-java-runtime/**
+              - clients/filesystem-hadoop3/**
+              - clients/filesystem-hadoop3-runtime/**
               - common/**
               - conf/**
               - core/**

.github/workflows/build.yml

@@ -27,7 +27,10 @@ jobs:
               - api/**
               - bin/**
               - catalogs/**
-              - clients/**
+              - clients/client-java/**
+              - clients/client-java-runtime/**
+              - clients/filesystem-hadoop3/**
+              - clients/filesystem-hadoop3-runtime/**
               - common/**
               - conf/**
               - core/**

.github/workflows/frontend-integration-test.yml

@@ -26,7 +26,10 @@ jobs:
               - api/**
               - bin/**
               - catalogs/**
-              - clients/**
+              - clients/client-java/**
+              - clients/client-java-runtime/**
+              - clients/filesystem-hadoop3/**
+              - clients/filesystem-hadoop3-runtime/**
               - common/**
               - conf/**
               - core/**

.github/workflows/python-ci.yml

@@ -0,0 +1,25 @@
+name: 'Python CI'
+
+on:
+  push:
+    branches: [ "main", "branch-*" ]
+
+  pull_request:
+    branches: [ "main", "branch-*" ]
+    paths:
+      - 'clients/client-python/**'
+concurrency:
+  group: ${{ github.worklfow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: ${{ github.event_name == 'pull_requests' }}
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python: [ '3.8', '3.9', '3.10', '3.11' ]
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Unit tests
+        run: ./gradlew clean clients:client-python:test

clients/client-python/build.gradle.kts

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2024 Datastrato Pvt Ltd.
+ * This software is licensed under the Apache License version 2.
+ */
+
+tasks.withType(Exec::class) {
+  workingDir = file("${project.projectDir}")
+}
+
+tasks {
+  val pythonVersion by registering(Exec::class) {
+    commandLine("python", "--version")
+  }
+
+  val installPip by registering(Exec::class) {
+    dependsOn(pythonVersion)
+    commandLine("python", "-m", "pip", "install", "--upgrade", "pip")
+  }
+
+  val installDeps by registering(Exec::class) {
+    dependsOn(installPip)
+    commandLine("python", "-m", "pip", "install", "-r", "requirements.txt")
+  }
+
+  val pyTest by registering(Exec::class) {
+    dependsOn(installDeps)
+    commandLine("pytest", "${project.projectDir}/tests")
+  }
+
+  test {
+    dependsOn(pyTest)
+  }
+
+  clean {
+    delete("build")
+  }
+}

settings.gradle.kts

@@ -20,7 +20,13 @@ include(
 )
 include("catalogs:catalog-hadoop")
 include("catalogs:catalog-messaging-kafka")
-include("clients:client-java", "clients:client-java-runtime", "clients:filesystem-hadoop3", "clients:filesystem-hadoop3-runtime")
+include(
+  "clients:client-java",
+  "clients:client-java-runtime",
+  "clients:filesystem-hadoop3",
+  "clients:filesystem-hadoop3-runtime",
+  "clients:client-python"
+)
 include("trino-connector")
 include("spark-connector")
 include("web")