I am now on python version 3 with weewx 4.4.
If anyone is reading this thread, let me just say this. I'm pretty linux
literate and actually work in the IT field. The number of threads here with
upgrade failures (weewx 3.x to weewx 4.x or python2 to python3) actually
had me pretty rattled. Remember: Only the users that had issues post here
for help. There are many more who have not had issues, and so don't post.
Give it a try! Advice:
1) Follow the docs at weewx.com. They will guide you. Will it cover every
possible issue? Probably not. But it will:
a) Show you how to backup your existing configuration in case of major
failure
b) Point you to this forum for very friendly help and advice.
2) Don't forget to update your extensions and skins when going from Python2
to Python3. MQTT is a big one. If your favorite skin hasn't been ported to
python3, you may have to try to port it yourself, or look for another skin.
I personally recommend Belchertown by Pat O'Brian. As of this date, he is
still making improvements.
3) Look at your logs. They pretty much point right to the problem. In weewx
4.x, it's /var/log/syslog. I had issues with MQTT. Search the forums. I
found the answer in about a minute and downloaded the correct python3
version of weewx-mqtt and installed it.
4) Still not working? Post your weewx.conf and logs (remove any passwords
and other private info). You WILL get help.
I wish Tom would accept donations for this great piece of software. To
think I was running a whole windows PC with Weatherlink and Virtual Weather
Station for so many years, when I could have been doing all this on a
raspberry pi with free software.
Have a great weekend!
On Mon, Mar 15, 2021 at 9:29 PM [email protected] <[email protected]>
wrote:
> No questions right now. Just felt like sharing some good fortune. The
> TLDR: I upgraded on accident and everything is working great!
>
> I had been running weewx 3.9.2 on a raspberry pi 4 for quite some time. I
> knew that at some point I would need to make the jump to 4.x, but
> everything was running so smoothly. I had originally installed weewx with
> the belchertown skin using some instructions I found while searching for a
> way to connect my vantage pro 2 to a raspberry pi.
>
> As I perused the documentation on upgrading weewx, I really wasn't sure if
> I had installed with a setup.exe or some other method. I had pretty much
> decided that at some point, I would simply save off the database and and
> config files and do a clean install of 4.x.
>
> Fast forward to now: I accidentally upgraded weewx by doing a sudo yum
> full-upgrade. When I saw it happen, I cringed. I had visions of pulling the
> rest of my hair out trying to get all the parts working again
> (weewx/skins/mqtt). To my surprise, there was very little reconfiguration
> that had to be done!
>
> Sure, I had to copy some settings into the 4.4 weewx config. I installed
> the latest Belchertown skin and reconfigured the settings for that. Then
> added my mqtt setting back in, and boom!
>
> Since luck was with me, I decided to import 8 years worth of WU data using
> the wee_import utility. I had tried with 3.92 but had no luck. The 4.4
> wee_import worked perfectly the first time! It took a while, and I had to
> break it into 6 month chunks, but it worked! I also had to update my api
> key once on the WU site. Not sure if I exceeded the number of calls allowed
> or it was something else, but regenerating a new key allowed me to finish.
>
> I've had to clean up quite a bit of bad data that has been sitting in
> WU-land for the last decade, but the instructions in the weewx wiki were
> clear and easy to follow.
>
> The only thing left to do is to make python 3 the default and load the
> necessary dependencies.
>
> I just want to thank all the "experts" in this group who have both amazing
> knowledge and, more importantly, unceasing patience! So many groups are
> full of condescending "experts" who would rather make you feel like an
> idiot than share their time and expertise. Hats off to all of you!
>
> Ernie
>
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