PWSweather not Updating - stdRESTful not Running?

[Sean Curry]

I have been running weewx successfully on an older iMac (MacOS 12.6.2) for the last year. I have a Davis Vantage station. I upload my data to PWS and to a personal webpage on AWS via ftp. Everything worked perfectly.

I now have a new Mac Studio running MacOS 15.5. I installed Python 3.13.5, and weewx 5.1.0. The connection to the Vantage works fine, and the ftp upload still runs great. However, PWSweather never updates. I tried a direct browser URL update to PWS with my Station Name and password and that works, but weewxd never updates PWS. When I look at the logfile, it almost seems as if the [StdRESTful] section never runs - there are no REST errors or status messages that I can see.

I copied over my .conf from the old iMac - maybe something has changed that I can't see? Any suggestions on further debugging are welcome.

Sean

[Tom Keffer]

It would be useful to see the system log. It will tell us whether the WeeWX service for PWS is being loaded. 

Getting a system log on a Mac is a pain. You will have to add a [Logging] section to your configuration file. See the section Logging to rotating files in the wiki.

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[Sean Curry]

Thanks Tom, this is very helpful, as I couldn't figure out how to get a system log file on my Mac.

Attached is such a log after adding the [Logging] section as sugegsted, and it does show the problem:

2025-07-25 11:15:16 weewxd[71091]: DEBUG weewx.restx: PWSWeather: Failed upload attempt 1: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1028)>

So, I'm not sure why this is occurring now - a change to MacOS?

Sean

[Tom Keffer]

Outside of my area of expertise, but your CA certificates are probably out of date. At least, those used by Python. Googling shows this.

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[Sean Curry]

Thanks Tom - all is good now! I had to run the command "Install Certificates.command" which showed up after rerunning the Python3 installer pkg. I don't know why this was missing originally, but that fixed the Certificate problem and PWS is updating now.

Thanks for your help.

Sean