How can a system for tracking and managing URLs be created within a custom framework?

To create a URL management and tracking system in your own Python framework, you can implement a simple router that maps URL paths to handlers (functions or methods). The main steps are:

1. Create a data structure (e.g., a dictionary) where the key is the URL path or pattern, and the value is the handler function.
2. When receiving an HTTP request, extract the path from the URL.
3. Find the corresponding handler in the dictionary by the path.
4. Call the handler and return the result.

Example of a simple router:

class Router:
    def __init__(self):
        self.routes = {}

    def add_route(self, path, handler):
        self.routes[path] = handler

    def handle_request(self, path):
        handler = self.routes.get(path)
        if handler:
            return handler()
        else:
            return "404 Not Found"

# Usage
router = Router()

@router.add_route
def home():
    return "Home Page"

router.add_route("/about", lambda: "About Us")

print(router.handle_request("/about"))  # Output: About Us

For more complex cases, you can add support for URL parameters, HTTP methods, middleware, etc.