#asyncio

#asyncio

Christopher Trudeau is back on the show this week, bringing another batch of PyCoder's Weekly articles and projects. We discuss a recent Real Python step-by-step tutorial about programming a FastAPI example application. You practice installing FastAPI, building your first endpoints, adding path and query parameters, and validating endpoints using Pydantic. Christopher covers updates to his Real Python video course about concurrency in Python.

Asyncpg is the connector for PostgreSQL and asyncio-flavored Python. Here's how to use it without other libraries on FastAPI and Air projects. Recently I've been on a few projects using PostgreSQL where SQLAlchemy and SQLModel felt like overkill. Instead of using those libraries I leaned on writing SQL queries and running those directly in [asyncpg](https://pypi.org/project/asyncpg/) instead of using an ORM powered by asyncpg. Here's how I got it to work

The Python standard library provides the asyncio module to facilitate writing high-performance concurrent code. By leveraging async/await syntax, it provides a high level API for creating and managing event loops, coroutines, tasks, and performing asynchronous I/O operations. It is used as a foundation for Python asynchronous frameworks that provide high-performance network and web-servers, database connection libraries, distributed task queues, etc. Multiple libraries and frameworks, such as FastAPI and aiohttp, are built on top of asyncio.

Christopher covers a recent Real Python tutorial about developing mixin classes to reuse code across multiple Python classes. He describes how mixins rely on multiple inheritance to combine features from different classes, enhancing flexibility and code reuse.