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import asyncio
from http import HTTPStatus
from django.core.exceptions import BadRequest, SuspiciousOperation
from django.db import connection, transaction
from django.http import HttpResponse, StreamingHttpResponse
from django.views.decorators.csrf import csrf_exempt
def regular(request):
return HttpResponse(b"regular content")
def no_response(request):
pass
class NoResponse:
def __call__(self, request):
pass
def streaming(request):
return StreamingHttpResponse([b"streaming", b" ", b"content"])
def in_transaction(request):
return HttpResponse(str(connection.in_atomic_block))
@transaction.non_atomic_requests
def not_in_transaction(request):
return HttpResponse(str(connection.in_atomic_block))
@transaction.non_atomic_requests(using=None)
def not_in_transaction_using_none(request):
return HttpResponse(str(connection.in_atomic_block))
@transaction.non_atomic_requests(using="incorrect")
def not_in_transaction_using_text(request):
return HttpResponse(str(connection.in_atomic_block))
def bad_request(request):
raise BadRequest()
def suspicious(request):
raise SuspiciousOperation("dubious")
@csrf_exempt
def malformed_post(request):
request.POST
return HttpResponse()
def httpstatus_enum(request):
return HttpResponse(status=HTTPStatus.OK)
async def async_regular(request):
return HttpResponse(b"regular content")
async def async_streaming(request):
async def async_streaming_generator():
yield b"streaming"
yield b" "
yield b"content"
return StreamingHttpResponse(async_streaming_generator())
class CoroutineClearingView:
def __call__(self, request):
"""Return an unawaited coroutine (common error for async views)."""
# Store coroutine to suppress 'unawaited' warning message
self._unawaited_coroutine = asyncio.sleep(0)
return self._unawaited_coroutine
def __del__(self):
try:
self._unawaited_coroutine.close()
except AttributeError:
# View was never called.
pass
async_unawaited = CoroutineClearingView()
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