Example: Python Registry Implementation

A production-ready custom registry with versioning and analytics

class ToolRegistry:
    """Custom tool registry for your organization"""
    
    def __init__(self):
        self.tools = {}
        self.usage_stats = {}
    
    def register(self, name: str, func: callable, 
                 description: str, version: str = "1.0.0"):
        """Register a new tool"""
        self.tools[name] = {
            "function": func,
            "description": description,
            "version": version,
            "registered_at": datetime.now()
        }
        self.usage_stats[name] = 0
        print(f"✓ Registered: {name} v{version}")
    
    def get_tool(self, name: str):
        """Retrieve a tool by name"""
        if name not in self.tools:
            raise ValueError(f"Tool '{name}' not found")
        
        # Track usage
        self.usage_stats[name] += 1
        return self.tools[name]["function"]
    
    def list_tools(self) -> list:
        """List all available tools"""
        return [
            {
                "name": name,
                "description": info["description"],
                "version": info["version"],
                "usage_count": self.usage_stats[name]
            }
            for name, info in self.tools.items()
        ]
    
    def get_popular_tools(self, limit: int = 5) -> list:
        """Get most-used tools"""
        sorted_tools = sorted(
            self.usage_stats.items(),
            key=lambda x: x[1],
            reverse=True
        )
        return sorted_tools[:limit]

# Usage Example
registry = ToolRegistry()

# Register custom tools
def calculate_roi(revenue: float, cost: float) -> float:
    """Calculate return on investment"""
    return ((revenue - cost) / cost) * 100

registry.register(
    "calculate_roi",
    calculate_roi,
    "Calculate ROI percentage",
    version="1.0.0"
)

# Use the tool
roi_tool = registry.get_tool("calculate_roi")
result = roi_tool(revenue=150000, cost=100000)
print(f"ROI: {result}%")  # 50.0%

# Get all tools
tools = registry.list_tools()
print(f"Available tools: {len(tools)}")