diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml new file mode 100644 index 00000000..befd0e65 --- /dev/null +++ b/.github/workflows/ci.yml @@ -0,0 +1,35 @@ +name: CI + +on: + push: + branches: [main] + pull_request: + branches: [main] + +jobs: + build: + runs-on: ubuntu-latest + + steps: + - name: Checkout code + uses: actions/checkout@v4 + + - name: Set up Python + uses: actions/setup-python@v5 + with: + python-version: '3.11' + + - name: Install dependencies + run: pip install -r requirements.txt + + - name: Run tests + run: pytest -v + + - name: Build package + run: python -m build + + - name: Upload artifact + uses: actions/upload-artifact@v4 + with: + name: python-package + path: dist/ diff --git a/.github/workflows/pr-review.yml b/.github/workflows/pr-review.yml new file mode 100644 index 00000000..f80b4013 --- /dev/null +++ b/.github/workflows/pr-review.yml @@ -0,0 +1,59 @@ +name: AI Code Review + +on: + pull_request: + branches: [main] + +permissions: + contents: read + pull-requests: write + +jobs: + review: + runs-on: ubuntu-latest + + steps: + - name: Checkout code + uses: actions/checkout@v4 + with: + fetch-depth: 0 + + - name: Set up Python + uses: actions/setup-python@v5 + with: + python-version: '3.11' + + - name: Install dependencies + run: pip install -r requirements.txt + + - name: Get PR diff + run: | + git fetch origin ${{ github.event.pull_request.base.ref }} --depth=1 + git diff ${{ github.event.pull_request.base.sha }}...${{ github.event.pull_request.head.sha }} > pr_diff.txt + echo "Diff file size:" && wc -c pr_diff.txt + + + - name: Run AI review + id: ai-review + env: + GOOGLE_API_KEY: ${{ secrets.GEMINI_API_KEY }} + run: | + REVIEW=$(python scripts/ai_review.py pr_diff.txt) + echo "review<> $GITHUB_OUTPUT + echo "$REVIEW" >> $GITHUB_OUTPUT + echo "EOF" >> $GITHUB_OUTPUT + + - name: Post review comment + uses: actions/github-script@v7 + env: + REVIEW: ${{ steps.ai-review.outputs.review }} + with: + script: | + const review = process.env.REVIEW; + + await github.rest.issues.createComment({ + owner: context.repo.owner, + repo: context.repo.repo, + issue_number: context.issue.number, + body: `## 🤖 AI Code Review\n\n${review}\n\n---\n*Powered by Gemini AI*` + }); diff --git a/app.py b/app.py index 8f2f7ae1..971452ce 100644 --- a/app.py +++ b/app.py @@ -14,3 +14,8 @@ def is_even(n: int) -> bool: def reverse_string(s: str) -> str: """Reverse a string.""" return s[::-1] + + +def multiply(a: int, b: int) -> int: + """Multiply two numbers together.""" + return a * b diff --git a/dangerous.py b/dangerous.py new file mode 100644 index 00000000..78feb478 --- /dev/null +++ b/dangerous.py @@ -0,0 +1,11 @@ +import subprocess +import shlex +import os + +def run_command(user_input): + """Run a shell command safely.""" + args = shlex.split(user_input) + subprocess.call(args, shell=False) + +API_KEY = os.environ.get("API_KEY") + diff --git a/requirements.txt b/requirements.txt index 5f456517..245709a3 100644 --- a/requirements.txt +++ b/requirements.txt @@ -1,5 +1,5 @@ # Production dependencies (none for this simple app) - +google-genai>=1.0.0 # Development/testing dependencies pytest>=7.0.0 build>=1.0.0 diff --git a/scripts/ai_review.py b/scripts/ai_review.py new file mode 100644 index 00000000..7c228b08 --- /dev/null +++ b/scripts/ai_review.py @@ -0,0 +1,45 @@ +from google import genai +import os +import sys + +# Gemini SDK looks for GOOGLE_API_KEY by default, but we support both. +api_key = os.environ.get("GOOGLE_API_KEY") or os.environ.get("GEMINI_API_KEY") +client = genai.Client(api_key=api_key) + +def review_code(diff_text: str) -> str: + """Send a code diff to Gemini for review.""" + prompt = f"""You are an expert code reviewer. Review the following code diff and provide feedback. + +Focus on: +1. Security vulnerabilities +2. Bug risks +3. Performance issues +4. Best practice violations + +For each issue found, provide: +- Severity: HIGH / MEDIUM / LOW +- Description of the issue +- Suggested fix + +If the code looks good, say so. + +Code diff to review: + +{diff_text} + +Provide your review in a clear, structured format.""" + response = client.models.generate_content( + model="gemini-2.5-flash", + contents=prompt + ) + return response.text + +if __name__ == "__main__": + if len(sys.argv) > 1: + diff_file = sys.argv[1] + with open(diff_file, "r", encoding="utf-8") as f: + diff_content = f.read() + else: + diff_content = sys.stdin.read() + + print(review_code(diff_content)) diff --git a/scripts/sample_diff.txt b/scripts/sample_diff.txt new file mode 100644 index 00000000..d4b5984b --- /dev/null +++ b/scripts/sample_diff.txt @@ -0,0 +1,17 @@ +diff --git a/app.py b/app.py +index 1234567..abcdefg 100644 +--- a/app.py ++++ b/app.py +@@ -1,5 +1,12 @@ + """Simple utility functions""" + ++import sqlite3 ++ ++def get_user(username): ++ conn = sqlite3.connect("users.db") ++ query = f"SELECT * FROM users WHERE name = '{username}'" ++ return conn.execute(query).fetchone() ++ + def add(a: int, b: int) -> int: + """Add two numbers together.""" + return a + b diff --git a/tests/test_app.py b/tests/test_app.py index 79c3e093..68ed9532 100644 --- a/tests/test_app.py +++ b/tests/test_app.py @@ -1,6 +1,6 @@ """Tests for app.py - you'll add more!""" -from app import add, is_even, reverse_string +from app import add, is_even, reverse_string, multiply class TestMath: @@ -22,3 +22,19 @@ def test_reverse(self): def test_is_even(self): assert is_even(4) is True assert is_even(3) is False + + +class TestMultiply: + """Tests for the multiply function.""" + + def test_multiply_positive_numbers(self): + """Test multiplying two positive numbers.""" + assert multiply(9, 9) == 81 + + def test_multiply_by_zero(self): + """Test multiplying by zero.""" + assert multiply(5, 0) == 0 + + def test_multiply_negative_numbers(self): + """Test multiplying negative numbers.""" + assert multiply(-2, 3) == -6