async_oauth_app.py

import logging

logging.basicConfig(level=logging.DEBUG)

from slack_bolt.async_app import AsyncApp
from slack_bolt.adapter.fastapi.async_handler import AsyncSlackRequestHandler

app = AsyncApp()
app_handler = AsyncSlackRequestHandler(app)


@app.event("app_mention")
async def handle_app_mentions(body, say, logger):
    logger.info(body)
    await say("What's up?")


@app.event("message")
async def handle_message():
    pass


from fastapi import FastAPI, Request

api = FastAPI()


@api.post("/slack/events")
async def endpoint(req: Request):
    return await app_handler.handle(req)


@api.get("/slack/install")
async def install(req: Request):
    return await app_handler.handle(req)


@api.get("/slack/oauth_redirect")
async def oauth_redirect(req: Request):
    return await app_handler.handle(req)


# pip install -r requirements.txt

# # -- OAuth flow -- #
# export SLACK_SIGNING_SECRET=***
# export SLACK_CLIENT_ID=111.111
# export SLACK_CLIENT_SECRET=***
# export SLACK_SCOPES=app_mentions:read,channels:history,im:history,chat:write

# uvicorn async_oauth_app:api --reload --port 3000 --log-level debug