Update linting workflows for frontend and Python code (#2171)

* chore: Update pre-commit hooks and dependencies

* chore: Add linting workflow for frontend code

* chore: Update linting workflow for Python code and include tests in pull requests

* chore: Add Ruff style check workflow for Python code

.github/workflows/lint-js.yml

@@ -0,0 +1,51 @@
+name: Lint Frontend
+
+on:
+  pull_request:
+    paths:
+      - "src/frontend/**"
+
+env:
+  NODE_VERSION: "21"
+
+jobs:
+  run-linters:
+    name: Run linters
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        id: setup-node
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+
+      - name: Cache Node.js dependencies
+        uses: actions/cache@v4
+        id: npm-cache
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-node-${{ hashFiles('src/frontend/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-
+
+      - name: Install Node.js dependencies
+        run: |
+          cd src/frontend
+          npm ci
+        if: ${{ steps.setup-node.outputs.cache-hit != 'true' }}
+
+      - name: Run linters
+        uses: wearerequired/lint-action@v1
+        with:
+          github_token: ${{ secrets.github_token }}
+          auto_fix: true
+          git_email: "gabriel@langflow.org"
+          # Enable linters
+          eslint: true
+          prettier: true
+          prettier_args: '--write \"{tests,src}/**/*.{js,jsx,ts,tsx,json,md}\" --ignore-path .prettierignore'
+

.github/workflows/lint-py.yml

@@ -1,17 +1,12 @@
-name: lint
+name: Lint Python
 
 on:
-  push:
-    branches: [main]
-    paths:
-      - "poetry.lock"
-      - "pyproject.toml"
-      - "src/backend/**"
   pull_request:
     paths:
       - "poetry.lock"
       - "pyproject.toml"
       - "src/backend/**"
+      - "tests/**"
 
 env:
   POETRY_VERSION: "1.8.2"
@@ -45,6 +40,12 @@ jobs:
           path: |
             ./.mypy_cache
           key: ${{ runner.os }}-mypy-${{ hashFiles('**/pyproject.toml') }}
-      - name: Lint check
+      - name: Run linters
-        run: |
+        uses: wearerequired/lint-action@v1
-          make lint
+        with:
+          github_token: ${{ secrets.github_token }}
+          # Enable linters
+          git_email: "gabriel@langflow.org"
+          mypy: true
+          mypy_args: '--namespace-packages -p "langflow"'
+

.github/workflows/matchers/ruff.json

@@ -0,0 +1,14 @@
+{
+    "problemMatcher": [
+        {
+            "owner": "ruff",
+            "pattern": [
+                {
+                    "regexp": "^(Would reformat): (.+)$",
+                    "message": 1,
+                    "file": 2
+                }
+            ]
+        }
+    ]
+}

.github/workflows/style-check-py.yml

@@ -0,0 +1,39 @@
+name: Ruff Style Check
+
+on:
+  pull_request:
+    paths:
+      - "poetry.lock"
+      - "pyproject.toml"
+      - "src/backend/**"
+      - "tests/**"
+
+env:
+  POETRY_VERSION: "1.8.2"
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version:
+          - "3.12"
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.python-version }} + Poetry ${{ env.POETRY_VERSION }}
+        uses: "./.github/actions/poetry_caching"
+        with:
+          python-version: ${{ matrix.python-version }}
+          poetry-version: ${{ env.POETRY_VERSION }}
+          cache-key: ${{ runner.os }}-poetry-${{ env.POETRY_VERSION }}-${{ hashFiles('**/poetry.lock') }}
+      - name: Install Python dependencies
+        run: |
+          poetry env use ${{ matrix.python-version }}
+          poetry install
+      - name: Register problem matcher
+        run: echo "::add-matcher::.github/workflows/matchers/ruff.json"
+      - name: Run Ruff
+        run: poetry run ruff check --output-format=github .
+      - name: Run Ruff format
+        run: poetry run ruff format --check .
+

.pre-commit-config.yaml

@@ -1,18 +1,5 @@
 fail_fast: true
 repos:
-  - repo: https://github.com/pre-commit/mirrors-eslint
-    rev: "v9.1.1"
-    hooks:
-      - id: eslint
-        files: \.[jt]sx?$ # *.js, *.jsx, *.ts and *.tsx
-        types: [file]
-        args: ["--fix", "--no-warn-ignored"]
-        additional_dependencies:
-          - eslint@9.1.1
-          - eslint-plugin-prettier
-          - eslint-config-prettier
-          - prettier
-          - eslint-plugin-react@latest
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v4.1.0
     hooks:
@@ -25,16 +12,3 @@ repos:
         args:
           - --fix=lf
       - id: trailing-whitespace
-  - repo: https://github.com/astral-sh/ruff-pre-commit
-    # Ruff version.
-    rev: v0.4.2
-    hooks:
-      # Run the linter.
-      - id: ruff
-        # Python
-        files: \.py$
-        types: [file]
-      # Run the formatter.
-      - id: ruff-format
-        files: \.py$
-        types: [file]