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71 lines
1.6 KiB
Python
71 lines
1.6 KiB
Python
import asyncio
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import threading
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import time
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from django.http import FileResponse, HttpResponse, StreamingHttpResponse
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from django.urls import path
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from django.views.decorators.csrf import csrf_exempt
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def hello(request):
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name = request.GET.get("name") or "World"
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return HttpResponse("Hello %s!" % name)
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def hello_with_delay(request):
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name = request.GET.get("name") or "World"
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time.sleep(1)
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return HttpResponse(f"Hello {name}!")
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def hello_meta(request):
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return HttpResponse(
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"From %s" % request.META.get("HTTP_REFERER") or "",
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content_type=request.META.get("CONTENT_TYPE"),
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)
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def sync_waiter(request):
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with sync_waiter.lock:
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sync_waiter.active_threads.add(threading.current_thread())
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sync_waiter.barrier.wait(timeout=0.5)
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return hello(request)
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@csrf_exempt
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def post_echo(request):
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if request.GET.get("echo"):
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return HttpResponse(request.body)
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else:
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return HttpResponse(status=204)
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sync_waiter.active_threads = set()
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sync_waiter.lock = threading.Lock()
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sync_waiter.barrier = threading.Barrier(2)
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async def streaming_inner(sleep_time):
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yield b"first\n"
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await asyncio.sleep(sleep_time)
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yield b"last\n"
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async def streaming_view(request):
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sleep_time = float(request.GET["sleep"])
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return StreamingHttpResponse(streaming_inner(sleep_time))
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test_filename = __file__
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urlpatterns = [
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path("", hello),
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path("file/", lambda x: FileResponse(open(test_filename, "rb"))),
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path("meta/", hello_meta),
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path("post/", post_echo),
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path("wait/", sync_waiter),
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path("delayed_hello/", hello_with_delay),
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path("streaming/", streaming_view),
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]
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