What are the best practices for using Flask with asyncio?

What are the best practices for using Flask with asyncio?

When using Flask with asyncio, it's important to ensure that your routes are asynchronous. Use async def for your route handlers.

Can you explain how to set up an async route in Flask?

Sure! You can define an async route like this:

from flask import Flask

app = Flask(__name__)

@app.route('/async')
async def async_route():
    await some_async_function()
    return 'Hello, Async!'

What about handling database connections in an async Flask app?

For database connections, use an async-compatible library like asyncpg for PostgreSQL or aiomysql for MySQL. This allows you to perform non-blocking database operations.

Are there any specific libraries you recommend for async tasks?

Yes! Libraries like aiohttp for making async HTTP requests and Celery with asyncio support for background tasks are great choices.