Thanks! Now that you mention it, it would be super easy to cache the old value. But, I took your advice and moved the sensor.
On Sunday, July 2, 2023 at 1:51:11 PM UTC-7 Tom Keffer wrote: > The problem with using open_manager_with_config is that you have to make > assumptions about which database binding is being used. > > Off the top of my head, here are 3 alternative solutions: > 1. You could cache the previous value. > 2. You could fix the problem downstream by using a weewx service. > 3. You could use multiple inheritance, so your driver inherits both from > weewx.drivers.AbstractDevice and from weewx.engine.StdService. Getting a > database manager is then easy: > > dbmanager = self.engine.db_binder.get_manager(self.data_binding) > > See the Vantage driver for an example of using multiple inheritance (although > it does not access the database). > > But, really, you should relocate the sensor! > > -tk > > > > On Sun, Jul 2, 2023 at 12:50 PM [email protected] <[email protected]> > wrote: > >> I have a customized Acurite driver where I've replaced the temperature >> reading with a reading from a different sensor. My sensor is placed so that >> I occasionally get temperature spikes in the late afternoon when the sun >> hits it. I've tried to shield it without complete success. I'm looking for >> a software solution where I can remove the bad values for the 10 minutes a >> day where it can jump up 5 degrees. >> >> I think I know how to do this, but I'm stuck on getting the previous >> temperature value in the driver. Is there an easy way to do this? >> >> The docs suggest weewx.manager.open_manager_with_config with the >> appropriate SQL query is the way to go. Is it? >> >> -- >> You received this message because you are subscribed to the Google Groups >> "weewx-user" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/weewx-user/9d0abdbe-8cf6-4d8b-b809-c295df20e564n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/weewx-user/9d0abdbe-8cf6-4d8b-b809-c295df20e564n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/c428877d-0fad-42c0-9def-b1370b6f3079n%40googlegroups.com.
