# 🚀 **xschema: Schema Validation and Data Structure Definition Library**

**Company:** eXonware.com  
**Author:** Eng. Muhammad AlShehri  
**Email:** connect@exonware.com  
**Version:** 0.0.1.2

## 🎯 **What is xschema?**

xschema is a powerful Python library for schema validation and data structure definition. It provides a comprehensive framework for defining, validating, and evolving data schemas with support for complex constraints, dynamic composition, and performance-optimized validation.

## ⚡ **Quick Start**

### **Installation**
```bash
pip install exonware-xwschema
```

### **Basic Usage**
```python
from exonware.xschema import *
# Or use convenience import:
# import xschema

# Your schema validation code here
```

## 🎯 **Perfect For:**

- **🔍 Data Validation** - Comprehensive schema validation and constraint checking
- **📋 Schema Definition** - Dynamic schema composition and evolution
- **⚡ Performance** - High-performance validation for complex schemas
- **🔄 Schema Evolution** - Support for schema versioning and migration
- **🔗 Integration** - Seamless integration with xAction workflows

## 🚀 **Key Features**

✅ **Constraint-based validation** system for robust data checking  
✅ **Dynamic schema composition** for flexible data structures  
✅ **Performance-optimized validation** engine  
✅ **Rich error reporting** with detailed context  
✅ **Schema evolution support** for versioning  
✅ **Integration with xAction** for workflow validation  
✅ **Comprehensive test coverage** for reliability  

## 🚀 **Project Phases**

xSchema follows a structured 5-phase development approach designed to deliver enterprise-grade functionality while maintaining rapid iteration and continuous improvement.

### **Current Phase: 🧪 Version 0 - Experimental Stage**
- **Focus:** Fast applications & usage, refactoring to perfection of software patterns and design
- **Status:** 🟢 **ACTIVE** - Foundation complete with constraint-based validation, dynamic composition, and comprehensive testing

### **Development Roadmap:**
- **Version 1 (Q1 2026):** Production Ready - Enterprise deployment and hardening
- **Version 2 (Q2 2026):** Mars Standard Draft Implementation - Cross-platform interoperability
- **Version 3 (Q3 2026):** RUST Core & Facades - High-performance multi-language support
- **Version 4 (Q4 2026):** Mars Standard Implementation - Full compliance and enterprise deployment

📖 **[View Complete Project Phases Documentation](docs/PROJECT_PHASES.md)**

## 📚 **Documentation**

- **[API Documentation](docs/)** - Complete reference and examples
- **[Examples](examples/)** - Practical usage examples
- **[Tests](tests/)** - Test suites and usage patterns
- **[XWSyntax Integration](docs/XWSYNTAX_INTEGRATION.md)** - Collaboration opportunities with xwsyntax

## 🔧 **Development**

```bash
# Install in development mode
pip install -e .

# Run tests
python tests/runner.py

# Run specific test types
python tests/runner.py --core
python tests/runner.py --unit
python tests/runner.py --integration
```

## 🤝 **Contributing**

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Add tests
5. Run the test suite
6. Submit a pull request

## 📄 **License**

MIT License - see LICENSE file for details.

---

*Built with ❤️ by eXonware.com - Making schema validation effortless*
