fastqlapi 0.2.4

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FastQL Inference Server

Spin up a blazing fast rust GraphQL server around your ML model in one line of python code.

NB. This is currently prototype only, not suitable for production. Can only create flat / non nested schema. Make sure you set RUST_ENV to production if you are using it on a remote machine

How to:

pip install fastqlapi

Visit localhost:8000/graphiql for the graphql playground UI or make a request to localhost:8000

example:

from fastqlapi import fastql_server
def test(**kwargs):
    print (kwargs['input'])
    return {
        'output': "test response",
    }

fastql_server.start(callback=test, args={"input": { "type": "String", "description": "this is my input field"}}, fields={"output": { "type": "String"}})

to try with an example schema:

from fastqlapi import fastql_server, test_args, test_fields

def test(**kwargs):
    print (kwargs['prompt'])
    return {
        "tokens": ["example", "tokens"],
    }

fastql_server.start(callback=test, args=testargs, fields=testfields)

FastQL implements all the basic GraphQL types and array types, including required types but not currently required subtypes (an element of a list).

Under the hood FastQL uses the actix rust web server which is currently no.7 fastest web framework according to https://www.techempower.com/benchmarks/#section=data-r21. By comparison, python's FastAPI is no.279. I've observed about a 2x speed up across the example schema here vs a FastAPI/Ariadne python GraphQL server with the same schema.

Environment variables

GRAPHQL_HOST Default localhost

GRAPHQL_PORT Default 8000

RUST_LOG Rust log level | default 'debug'

RUST_BACKTRACE Add rust backtrace to log | default 1

RUST_QUIET No rust logs | default false

TRACING Turn on Apollo tracing | default false