def _notify_resource_events(success, request):
"""Notify the accumulated resource events if transaction succeeds.
"""
if success:
for event in request.get_resource_events():
try:
request.registry.notify(event)
except Exception:
logger.error("Unable to notify", exc_info=True)
def error(context, request):
"""Catch server errors and trace them."""
if isinstance(context, httpexceptions.Response):
return reapply_cors(request, context)
if isinstance(context, storage_exceptions.BackendError):
logger.critical(context.original, exc_info=True)
response = httpexceptions.HTTPServiceUnavailable()
return service_unavailable(response, request)
logger.error(context, exc_info=True)
error_msg = "A programmatic error occured, developers have been informed."
info = request.registry.settings['error_info_link']
response = http_error(httpexceptions.HTTPInternalServerError(),
message=error_msg,
info=info)
return reapply_cors(request, response)