django 3 create async rest api
import asyncio
import concurrent.futures
import os
import django
from starlette.applications import Starlette
from starlette.responses import Response
from starlette.routing import Route
os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'pjt.settings')
django.setup()
from django_app.xxx import synchronous_func1
from django_app.xxx import synchronous_func2
executor = concurrent.futures.ThreadPoolExecutor(max_workers=2)
async def simple_slow(request):
""" simple function, that sleeps in an async matter """
await asyncio.sleep(5)
return Response('hello world')
async def call_slow_dj_funcs(request):
""" slow django code will be called in a thread pool """
loop = asyncio.get_running_loop()
future_func1 = executor.submit(synchronous_func1)
func1_result = future_func1.result()
future_func2 = executor.submit(synchronous_func2)
func2_result = future_func2.result()
response_txt = "OK"
return Response(response_txt, media_type="text/plain")
routes = [
Route("/simple", endpoint=simple_slow),
Route("/slow_dj_funcs", endpoint=call_slow_dj_funcs),
]
app = Starlette(debug=True, routes=routes)