def doModifyRow(self, table_name, row):
def _do_modify(conn):
d = conn.modify(table_name, row)
d.addCallback(_modify_cb)
return d
def _modify_cb(res):
if res[0] == Storage.SUCCESS:
# TBD: setting response code here is causing errors deep
# TBD: in twisted. Need to figure out why.
#self.request.setResponseCode("204")
self.request.finish() # No body for 204 response
return
else:
msg = "Modify success callback called with unexpected "\
"results"
lg.error(msg)
webservice.internalError(self.request, msg)
# Strip out link entries added by web service
for k in row.keys():
if k.endswith(".link"):
del(row[k])
d = StorageTableUtil.get_connection_if_none(self.db)
d.addCallback(_do_modify)
d.addErrback(self._handle_err)
return d
def _get_guid_cb(rows):
if len(rows) == 0:
notFound(self.request,
"Table %s does not have row with GUID: %s"
% (self.table_name,
self._query["GUID"][1].encode("hex")))
elif len(rows) > 1:
msg = "Multiple rows returned (unexpectedly) by the "\
"database and possibly removed."
lg.error(msg)
webservice.internalError(request, msg)
else:
d = StorageTableUtil.get_connection_if_none(self.db)
d.addCallback(_do_remove, rows[0])
return d
