Unfortunately, no, you can't do that. The expression can only involve the current packet or archive record.
If a shutdown is a possibility, some sort of process monitoring strategy is probably a better bet. However, I would much rather get to the root cause of the shutdown. There have been instances of weewxd going literally years without a failure. Can we see farther up in the log? -tk On Fri, Oct 28, 2022 at 5:23 PM meteo219 <[email protected]> wrote: > Hello Weewx Users, > > Is anyone out there using alarm.py to send an email during a weewx > shutdown or a weewx crash? For example, I had the following weewx crash: > > INFO user.sdr: shutdown process /usr/local/bin/rtl_433 -M utc -F json -R 40 > INFO user.sdr: shutdown complete > CRITICAL __main__: Caught WeeWxIOError: rtl_433 process is not running > CRITICAL __main__: **** Waiting 60 seconds then retrying... > usb 1-1.4: new high-speed USB device number 8 using xhci_hcd > Device not responding to setup address. > usb 1-1.4: Device not responding to setup address. > [460827.904059] usb 1-1.4: device not accepting address 8, error -71 > > I am currently troubleshooting the USB port / SDR extension cable > connecting to my rpi, but I went a few days without data because I didn't > know weewx crashed. > > In other words, is there something we can use in the expression = " " > statement to send an email during a weewx shutdown? > > Thanks in advance! > > Jeff > > -- > 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/996ca78d-1613-44c4-8460-98de3a74adf5n%40googlegroups.com > <https://groups.google.com/d/msgid/weewx-user/996ca78d-1613-44c4-8460-98de3a74adf5n%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/CAPq0zEDztfFvyatALYOx7gE07-mx%2BNVD-tjz_szUBP3nap5grw%40mail.gmail.com.
