Development

💻 Development Guide

This document provides information for developers who want to contribute to Media Player Scrobbler for SIMKL.

📂 Project Structure

simkl-movie-tracker/
├── docs/                    # Documentation
├── simkl_mps/         # Main package
│   ├── __init__.py          # Package initialization
│   ├── backlog_cleaner.py   # Handles offline queue
│   ├── cli.py               # Command-line interface
│   ├── main.py              # Application entry point
│   ├── media_cache.py       # Movie info caching
│   ├── media_tracker.py     # Main tracking coordination
│   ├── monitor.py           # Window monitoring
│   ├── movie_scrobbler.py   # Movie tracking and Simkl integration
│   ├── service_manager.py   # System service management
│   ├── service_runner.py    # Background service implementation
│   ├── simkl_api.py         # Simkl API interactions
│   ├── tray_app.py          # System tray application
│   ├── window_detection.py  # Cross-platform window detection
│   ├── players/             # Media player integrations
│   │   ├── __init__.py
│   │   ├── mpc.py           # MPC-HC/BE integration
│   │   ├── mpv.py           # MPV integration
│   │   ├── potplayer.py     # PotPlayer integration
│   │   └── vlc.py           # VLC integration
│   └── utils/               # Utility functions and constants
├── tests/                   # Test suite
├── .gitignore               # Git ignore patterns
├── pyproject.toml           # Project metadata and dependencies
├── README.md                # Project overview
└── LICENSE                  # License information

🚀 Development Setup

1. Clone the repository:

   git clone https://github.com/kavinthangavel/simkl-movie-tracker.git
   cd simkl-movie-tracker

2. Set up the development environment:

   # Using Poetry (recommended)
   poetry install --with dev
   
   # Or using pip
   pip install -e ".[dev]"

3. Set up pre-commit hooks (optional):

   pre-commit install

🧪 Running Tests

# Run tests with pytest
poetry run pytest

# Run tests with coverage
poetry run pytest --cov=simkl_mps

# Run specific test file
poetry run pytest tests/test_specific_file.py

📝 Code Style

This project follows PEP 8 style guidelines. Use flake8 to check your code:

poetry run flake8 simkl_mps

➕ Adding a New Media Player

To add support for a new media player:

1. Create a new file in the players/ directory (e.g., simkl_mps/players/new_player.py)
2. Implement a class that follows the player integration interface:

   class NewPlayerIntegration:
       def __init__(self):
           # Initialize player connection
           pass
           
       def get_position_duration(self, process_name=None):
           # Return (position_seconds, duration_seconds) tuple or (None, None)
           pass

3. Add the player to players/__init__.py
4. Update window detection to recognize the player in window_detection.py

📦 Building and Publishing

# Build distribution packages
poetry build

# Publish to PyPI (requires credentials)
poetry publish

🔄 Pull Request Process

1. Fork the repository
2. Create a feature branch: git checkout -b feature/amazing-feature
3. Make your changes and commit them: git commit -m 'Add amazing feature'
4. Push to the branch: git push origin feature/amazing-feature
5. Open a Pull Request against the main repository

🔑 API Access

For development, you can use the default client ID or register your own:

1. Go to https://simkl.com/settings/developer/
2. Create a new application
3. Set the redirect URL to urn:ietf:wg:oauth:2.0:oob
4. Use the client ID in your development environment:

   SIMKL_CLIENT_ID=your_client_id
   

🔍 Debugging Tips

• Use the --debug flag to enable detailed logging: simkl-mps start --debug
• Check logs in the application data directory
• Use Python's debugger (pdb) or an IDE like PyCharm or VS Code for step-by-step debugging
• Test player integration separately using the player-specific test scripts

🏗️ Architecture Overview

Media Player Scrobbler for SIMKL uses a modular architecture:

1. 🪟 Window Detection Layer: Platform-specific code to detect media player windows
2. 🎮 Media Player Integration Layer: Interfaces with specific players to get playback information
3. 🎬 Movie Identification Layer: Parses titles and identifies movies via Simkl API
4. 📊 Progress Tracking Layer: Monitors playback and determines completion
5. 🔌 Simkl API Layer: Handles authentication and scrobbling to Simkl

This separation allows for easy maintenance and extension of individual components.

Architecture Diagram

graph TD
    A[Window Detection] -->|Active Windows| B[Player Recognition]
    B -->|Window Info| C[Title Extraction]
    C -->|Movie Title| D[guessit Parser]
    D -->|Parsed Info| E[Simkl Search]
    E -->|Movie ID| F[Progress Tracker]
    F -->|Position Updates| G{Completion Check}
    G -->|>80%| H[Mark as Watched]
    G -->|<80%| F
    
    I[Player Integration] -->|Position Data| F
    J[OS-specific APIs] --> A
    
    style A fill:#d5f5e3,stroke:#333,stroke-width:2px
    style H fill:#f9d5e5,stroke:#333,stroke-width:2px
    style I fill:#d5eef7,stroke:#333,stroke-width:2px
    style J fill:#f7dc6f,stroke:#333,stroke-width:2px

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