async def handler(self, request):
"""Main handler function for aiohttp."""
request._view_error = False
await notify(BeforeRenderViewEvent(request, self.view))
request.record("viewrender")
if app_settings["check_writable_request"](request):
try:
# We try to avoid collisions on the same instance of
# guillotina
view_result = await self.view()
await commit(warn=False)
except (ConflictError, TIDConflictError):
await abort()
# bubble this error up
raise
except (response.Response,
aiohttp.web_exceptions.HTTPException) as exc:
await abort()
view_result = exc
request._view_error = True
except Exception as e:
await abort()
view_result = generate_error_response(e, request,
"ServiceError")
request._view_error = True
else:
try:
view_result = await self.view()
except (response.Response,
aiohttp.web_exceptions.HTTPException) as exc:
view_result = exc
request._view_error = True
except Exception as e:
request._view_error = True
view_result = generate_error_response(e, request, "ViewError")
finally:
await abort()
request.record("viewrendered")
if IAioHTTPResponse.providedBy(view_result):
resp = view_result
else:
resp = await apply_rendering(self.view, self.request, view_result)
request.record("renderer")
resp = await _apply_cors(request, resp)
if not request._view_error:
request.execute_futures()
else:
request.execute_futures("failure")
self.debug(request, resp)
request.record("finish")
_clean_request(request, resp)
del self.view
del self.resource
request.clear_futures()
return resp
async def handler(self, request):
"""Main handler function"""
request._view_error = False
await notify(BeforeRenderViewEvent(request, self.view))
request.record("viewrender")
try:
# We try to avoid collisions on the same instance of
# guillotina
view_result = await self.view()
if app_settings["check_writable_request"](request):
await commit(warn=False)
else:
await abort()
except (ConflictError, TIDConflictError):
await abort()
# bubble this error up
raise
except response.Response as exc:
await abort()
view_result = exc
request._view_error = True
except Exception:
await abort()
raise
request.record("viewrendered")
resp = view_result
if resp is None:
resp = Response(status=200)
if not IResponse.providedBy(resp) or not resp.prepared:
resp = await apply_rendering(self.view, self.request, resp)
request.record("renderer")
resp = await apply_cors(request, resp)
if not request._view_error:
task = request.execute_futures()
else:
task = request.execute_futures("failure")
if task is not None:
await self.wait(request, resp, task)
self.debug(request, resp)
request.record("finish")
del self.view
del self.resource
request.clear_futures()
return resp