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Contributing to QyverixAI

Thank you for wanting to contribute! QyverixAI is a GSSoC 2026 project and welcomes all levels of contributors — from first-timers to veterans.

Quick Start

# 1. Fork the repo on GitHub
# 2. Clone your fork
git clone https://github.com/YOUR_USERNAME/AI-dev-assistant.git
cd AI-dev-assistant

# 3. Create a feature branch
git checkout -b feat/your-feature-name

# 4. Install backend dependencies
cd backend
pip install -r requirements.txt

# 5. Run tests — all must pass before submitting
pytest -v

# 6. Start the dev server
uvicorn app.main:app --reload

Ways to Contribute

🐛 Bug Fixes

  • Open an issue first if the bug isn't already reported
  • Include the code snippet that triggers it + expected vs actual behavior

✨ New Bug Detection Patterns

Bug patterns live in backend/app/services/code_assistant.py in the BUG_PATTERNS list.

Each pattern is a BugPattern dataclass:

BugPattern(
    name="Pattern Name",
    pattern=r"regex_to_match",
    description="What the bug is and why it's a problem.",
    suggestion="How to fix it — be specific and actionable.",
    severity="error",        # "error" | "warning" | "info"
    languages=["Python"],    # which languages this applies to
)

After adding a pattern, add a test in backend/tests/test_endpoints.py:

def test_debug_detects_your_pattern():
    r = client.post("/debugging/", json={"code": "...trigger code...", "language": "python"})
    assert r.status_code == 200
    types = [i["type"] for i in r.json()["issues"]]
    assert "Pattern Name" in types

💡 New Suggestion Rules

Suggestion logic is in the run_suggestions() function in code_assistant.py. Add a new if block that appends to the suggestions list.

🎨 Frontend Improvements

The entire frontend is frontend/index.html — one self-contained file. No build step, no Node.js required. Just edit and open in your browser.

📖 Documentation

  • Fix typos, improve clarity, add examples
  • Update the README if you add/change a feature
  • Add changelog entries for user-facing changes and fixes in docs/CHANGELOG.md
  • Add docstrings to functions that lack them

🧪 Tests

  • Add test cases for edge cases
  • Improve coverage for existing features
  • Parametrize tests where appropriate

Code Standards

  • Python: Follow PEP 8. Run ruff check backend/app before committing.
  • Type hints: All new Python functions must have type annotations.
  • Docstrings: All public functions and classes need docstrings.
  • Tests: Every new feature or bug fix needs a corresponding test.
  • No secrets: Never commit API keys, passwords, or credentials.

Code Formatting

CI enforces consistent Python formatting on every pull request using black and isort. PRs with improperly formatted code will fail the format check automatically.

Install the tools

cd backend
pip install black==24.10.0 isort==5.13.2

Format before every PR

Run both from the repo root:

black backend/
isort backend/

To check without modifying files (mirrors exactly what CI runs):

black --check backend/
isort --check-only backend/

Both tools are pre-configured in pyproject.toml at the repo root so they stay compatible with each other — no manual flag juggling needed.

Pull Request Checklist

Before opening a PR, confirm:

  • pytest -v passes (all tests green)
  • New feature has at least one test
  • Code has type hints and docstrings
  • README updated if behavior changed
  • docs/CHANGELOG.md updated if this PR introduces user-facing changes or fixes
  • Branch is up-to-date with main
  • PR description explains what and why

PR Process Examples

To keep the contribution flow consistent, follow these patterns when creating a branch, writing commits, and opening a Pull Request.

🌿 Branch Naming

Use a short, descriptive, kebab-case branch name prefixed by the type of change.

Type Format Example
New feature feat/<short-description> feat/add-dark-mode-toggle
Bug fix fix/<issue-id>-<short-description> fix/142-null-pointer-on-login
Documentation docs/<short-description> docs/update-readme-installation
Refactor refactor/<short-description> refactor/simplify-auth-service
Tests test/<short-description> test/cover-debugging-endpoint
Chore / tooling chore/<short-description> chore/bump-fastapi-version 
# Create and switch to a new branch
git checkout -b feat/add-dark-mode-toggle

📝 Conventional Commit Messages

Write commit messages in the format: type(optional-scope): short summary.

Type When to use Example
feat A new feature feat(api): add /health endpoint
fix A bug fix fix(auth): handle expired tokens correctly
docs Documentation only changes docs(contributing): add PR examples
refactor Code change that neither fixes a bug nor adds a feature refactor(parser): extract helper function
test Adding or updating tests test(debugging): cover empty input case
chore Build process, dependencies, tooling chore(deps): upgrade pytest to 8.2
style Formatting only, no logic change style: apply ruff formatting 
# Example commit
git commit -m "feat(debugging): add detection for mutable default arguments"

Rules of thumb

  • Keep the summary under 72 characters.
  • Use the imperative mood: "add", "fix", "update" — not "added" or "adds".
  • Reference the issue in the body if relevant: Closes #465.

📨 Sample Pull Request Description

Use the template below when opening a PR. It mirrors the Pull Request Checklist above and helps reviewers understand the change quickly.

## Summary
<!-- One or two sentences: what does this PR do and why? -->
Adds a `/health` endpoint that returns service status, used by Docker healthchecks and uptime monitors.

## Related Issue
Closes #123

## Changes
- Added `GET /health` route in `backend/app/api/health.py`
- Registered the new router in `backend/app/main.py`
- Added unit test in `backend/tests/test_health.py`

## How to Test
1. Run `uvicorn app.main:app --reload`
2. Visit `http://localhost:8000/health`
3. Expected response: `{"status": "ok"}`

## Checklist
- [x] `pytest -v` passes (all tests green)
- [x] New feature has at least one test
- [x] Code has type hints and docstrings
- [x] README updated if behavior changed
- [x] Branch is up-to-date with `main`
- [x] PR description explains *what* and *why*

## Screenshots / Notes (optional)
<!-- Add screenshots, logs, or notes for the reviewer here. -->

🔁 End-to-End Example

Putting it all together for a hypothetical issue #123 — Add /health endpoint:

# 1. Create a branch
git checkout -b feat/123-add-health-endpoint

# 2. Make changes, then stage and commit
git add backend/app/api/health.py backend/tests/test_health.py
git commit -m "feat(api): add /health endpoint for uptime checks"

# 3. Push the branch to your fork
git push -u origin feat/123-add-health-endpoint

# 4. Open a PR on GitHub using the description template above

Getting Help

  • Open an issue with the question label
  • Join the GSSoC 2026 community channels
  • Tag @imDarshanGK in your issue or PR

Code of Conduct

Be respectful, inclusive, and constructive. We're here to learn and build together.

Thank you for contributing! 🚀