Using Piccolo standalone is fine if you want to build a data science script, but often you’ll want to build a web application around it.
ASGI is a standardised way for async Python libraries to interoperate. It’s the equivalent of WSGI in the synchronous world.
By using the
piccolo asgi new command, Piccolo will scaffold an ASGI web
app for you, which includes everything you need to get started. The command
will ask for your preferences on which libraries to use.
Which to use?
All are great choices. FastAPI is built on top of Starlette, so they’re very similar. FastAPI is useful if you want to document a REST API.