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import asyncio
from asgiref.sync import sync_to_async
from django.contrib.auth.models import User
from django.http import JsonResponse
from django.shortcuts import render
def increment(request):
try:
value = int(request.session.get("value", 0)) + 1
except ValueError:
value = 1
request.session["value"] = value
return JsonResponse({"value": value})
def jinja2_view(request):
return render(request, "index.jinja", {"foo": "bar"}, using="jinja2")
async def async_home(request):
return await sync_to_async(render)(request, "index.html")
async def async_db(request):
user_count = await User.objects.acount()
return await sync_to_async(render)(
request, "async_db.html", {"user_count": user_count}
)
async def async_db_concurrent(request):
# Do database queries concurrently
(user_count, _) = await asyncio.gather(
User.objects.acount(), User.objects.filter(username="test").acount()
)
return await sync_to_async(render)(
request, "async_db.html", {"user_count": user_count}
)
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