Python 2024 Development Tutorials, Guides & Insights

class DebugBase:
    def __init_subclass__(cls, **kwargs):
        print(f"Creating subclass {cls.__name__}")
        super().__init_subclass__(**kwargs)

class Subclass(DebugBase):
    pass
# Output: Creating subclass Subclass

• Use metaclasses sparingly; they add complexity.
• Prefer composition and decorators for simpler use cases.
• Document your metaclasses thoroughly for maintainability.

• asyncio.run: Use for structured coroutine execution.
• pytest-asyncio: A pytest plugin for testing coroutines.
• trio: An alternative asynchronous framework with powerful debugging features.

By mastering these advanced generator and coroutine techniques, you’ll be equipped to tackle large-scale, efficient, and elegant Python applications in 2024.