Add pre-commit config

Author: hoodmane

.github/workflows/ci.yml

@@ -11,20 +11,20 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
-    
+
     steps:
     - uses: actions/checkout@v4
-    
+
     - name: Install uv
       uses: astral-sh/setup-uv@v4
-    
+
     - name: Set up Python
       run: uv python install
-    
+
     - name: Install dependencies
       run: |
         uv sync --dev
         cd 01-hello && uv run pywrangler dev --help
-    
+
     - name: Run tests
       run: uv run pytest -vv

.github/workflows/semgrep.yml

@@ -1,7 +1,7 @@
 on:
   pull_request: {}
   workflow_dispatch: {}
-  push: 
+  push:
     branches:
       - main
       - master
@@ -22,5 +22,3 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - run: semgrep ci
-
-

.pre-commit-config.yaml

@@ -0,0 +1,17 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+      - id: trailing-whitespace
+        name: check no trailing whitespace
+      - id: end-of-file-fixer
+        name: check files end in newline
+
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.7.4
+    hooks:
+      - id: ruff
+        name: ruff check
+        args: [--fix]
+      - id: ruff-format
+        name: ruff format

03-fastapi/wrangler.toml

@@ -5,4 +5,3 @@ compatibility_date = "2025-08-14"
 
 [vars]
 MESSAGE = "My env var"
-

04-query-d1/db_init.sql

@@ -1,12 +1,12 @@
-CREATE TABLE IF NOT EXISTS qtable ( 
-    id INTEGER PRIMARY KEY AUTOINCREMENT, 
-    quote TEXT, 
+CREATE TABLE IF NOT EXISTS qtable (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    quote TEXT,
     author Text
 );
 
-INSERT INTO qtable (quote, author) 
+INSERT INTO qtable (quote, author)
 SELECT * FROM (
-    VALUES 
+    VALUES
         ("This is a very cool quote", "Hood Chatham"),
         ("Some words of wisdom", "Dominik Picheta"),
         ("The sense 'fragment of verbal expression', attested from the 17th century", "Wikipedia")

05-langchain/.dev.vars

@@ -1 +1 @@
-API_KEY=abc123
+API_KEY=abc123

pyproject.toml

@@ -8,6 +8,7 @@ dependencies = []
 
 [dependency-groups]
 dev = [
+    "pre-commit>=4.3.0",
     "pytest>=8.4.1",
     "requests>=2.32.5",
     "ruff>=0.12.10",

tests/test_examples.py

@@ -70,7 +70,7 @@ def test_04_query_d1(init_db, dev_server):
         "Hood Chatham",
     ]
 
+
 @pytest.mark.xfail(reason="Not working")
 def test_05_langchain(dev_server):
     pass
-