mirror of
https://github.com/Unidata/python-awips.git
synced 2025-02-24 06:57:56 -05:00
40 lines
1.5 KiB
Python
40 lines
1.5 KiB
Python
#
|
|
# Notification object that produces grid data
|
|
#
|
|
#
|
|
# SOFTWARE HISTORY
|
|
#
|
|
# Date Ticket# Engineer Description
|
|
# ------------ ---------- ----------- --------------------------
|
|
# 06/03/16 2416 rjpeter Initial Creation.
|
|
# 09/06/17 6175 tgurney Override messageReceived
|
|
#
|
|
|
|
import dynamicserialize
|
|
import traceback
|
|
from awips.dataaccess.PyNotification import PyNotification
|
|
|
|
|
|
class PyGridNotification(PyNotification):
|
|
|
|
def messageReceived(self, msg):
|
|
dataUriMsg = dynamicserialize.deserialize(msg)
|
|
dataUris = dataUriMsg.getDataURIs()
|
|
for dataUri in dataUris:
|
|
if not self.notificationFilter.accept(dataUri):
|
|
continue
|
|
try:
|
|
# This improves performance over requesting by datatime since it requests only the
|
|
# parameter that the notification was received for (instead of this and all previous
|
|
# parameters for the same forecast hour)
|
|
# TODO: This utterly fails for derived requests
|
|
newReq = self.DAL.newDataRequest(self.request.getDatatype())
|
|
newReq.addIdentifier("dataURI", dataUri)
|
|
newReq.setParameters(self.request.getParameters())
|
|
data = self.getData(newReq, [])
|
|
self.callback(data)
|
|
except ValueError:
|
|
traceback.print_exc()
|
|
|
|
def getData(self, request, dataTimes):
|
|
return self.DAL.getGridData(request, dataTimes)
|