See if https://github.com/weewx/weewx/issues/971 helps any....
On Saturday, December 14, 2024 at 4:50:18 PM UTC-8 Tom Keffer wrote: > I'm guessing that the path used by the dynamic loader is different when > run from a command line, vs run as a daemon. > > Did you try the suggestions in the post? > > On Sat, Dec 14, 2024 at 4:46 PM andi klein <[email protected]> wrote: > >> Thanks, I don't think thi i the problem. I can connect to the acurite >> with weewxd but not through loading the deamon. I can also see the acurite >> with >> system_profiler SPUSBDataType >> >> >> >> On 12/14/24 15:52, Tom Keffer wrote: >> >> See if this >> <https://stackoverflow.com/questions/70729330/python-on-m1-mbp-trying-to-connect-to-usb-devices-nobackenderror-no-backend-a> >> >> answers your question. >> >> On Sat, Dec 14, 2024 at 2:23 PM andi klein <[email protected]> wrote: >> >>> I installed weewx 5.1 for a friend on an iMac M1. While running just >>> weewxd everything works great, I get connected andc all the info is correct >>> in the terminal: (One thing I noted is that I need to run under bash and >>> not his default zsh). Thanks for any help, I spent two days scratching my >>> head and googling. >>> >>> LOOP: 2024-12-14 14:16:53 PST (1734214613) 'altimeter': >>> '29.553886849491384', 'appTemp': 'None', 'barometer': 'None', 'channel': >>> '3', 'cloudbase': 'None', 'dateTime': '1734214613', 'dewpoint': 'None', >>> 'ET': 'None', 'heatindex': 'None', 'humidex': 'None', 'inDewpoint': 'None', >>> 'inTemp': '65.84000257760286', 'maxSolarRad': '105.00260614815654', >>> 'outTempBatteryStatus': '0', 'pressure': '29.236533249218752', 'rain': >>> 'None', 'rain_total': '129.94639999999998', 'rainRate': '0.0', 'rssi': '3', >>> 'rxCheckPercent': '100.0', 'sensor_battery': '0', 'sensor_id': '3433', >>> 'usUnits': '1', 'windchill': 'None', 'windDir': '45.0', 'windrun': 'None', >>> 'windSpeed': '2.678862142244647' >>> >>> If I try to run it as a daemon with launchctl it bombs on me with >>> backend not found: >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO __main__: Using Python: 3.9.6 >>> (default, Nov 11 2024, 03:15:38) >>> >>> [Clang 16.0.0 (clang-1600.0.26.6)] >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO __main__: Located at: >>> /Users/xxx/weewx-venv/bin/python3 >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO __main__: Platform: >>> macOS-14.6.1-arm64-arm-64bit >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO __main__: Locale: >>> 'C/UTF-8/C/C/C/C' >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO __main__: Entry path: >>> /Users/xxx/weewx-venv/lib/python3.9/site-packages/weewxd.py >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO __main__: WEEWX_ROOT: >>> /Users/xxx/weewx-data >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO __main__: Config file: >>> /Users/xxx/weewx-data/weewx.conf >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO __main__: User module: >>> /Users/xxx/weewx-data/bin/user >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO __main__: Debug: 0 >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO __main__: User: root >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO __main__: Group: wheel >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO __main__: Groups: wheel >>> daemon kmem sys tty operator procview procmod everyone staff certusers >>> localaccou >>> >>> nts admin com.apple.sharepoint.group.1 _appstore _lpadmin _lpoperator >>> _developer _analyticsusers com.apple.access_ftp >>> com.apple.access_screensharing c >>> >>> om.apple.access_ssh com.apple.access_remote_ae >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.engine: Loading station >>> type AcuRite (weewx.drivers.acurite) >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.drivers.acurite: driver >>> version is 0.4 >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.drivers.acurite: R2 will be >>> decoded using sensor constants >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.engine: StdConvert target >>> unit is 0x1 >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.wxservices: StdWXCalculate >>> will use data binding wx_binding >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.engine: Archive will use >>> data binding wx_binding >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.engine: Record generation >>> will be attempted in 'hardware' >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.engine: Using archive >>> interval of 300 seconds (specified in weewx configuration) >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.restx: StationRegistry: >>> Registration not requested. >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.restx: Wunderground: >>> Posting not enabled. >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.restx: PWSweather: Posting >>> not enabled. >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.restx: CWOP: Posting not >>> enabled. >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.restx: WOW: Posting not >>> enabled. >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.restx: AWEKAS: Posting not >>> enabled. >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.engine: 'pyephem' not >>> detected, extended almanac data is not available >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO __main__: Starting up weewx >>> version 5.1.0 >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.engine: Using binding >>> 'wx_binding' to database 'weewx.sdb' >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.manager: Starting backfill >>> of daily summaries >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.manager: Empty database >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.engine: Starting main >>> packet loop. >>> >>> 2024-12-14 13:17:00 weewxd[2083]: INFO weewx.engine: Main loop exiting. >>> Shutting engine down. >>> >>> 2024-12-14 13:17:00 weewxd[2083]: CRITICAL __main__: Caught >>> unrecoverable exception: >>> >>> 2024-12-14 13:17:00 weewxd[2083]: CRITICAL __main__: **** No >>> backend available >>> >>> 2024-12-14 13:17:00 weewxd[2083]: CRITICAL __main__: **** Traceback >>> (most recent call last): >>> >>> >>> 2024-12-14 13:17:00 weewxd[2083]: CRITICAL __main__: **** File >>> "/Users/xxx/weewx-venv/lib/python3.9/site-packages/weewxd.py", line >>> >>> 127, in main >>> >>> >>> 2024-12-14 13:17:00 weewxd[2083]: CRITICAL __main__: **** >>> engine.run() >>> >>> 2024-12-14 13:17:00 weewxd[2083]: CRITICAL __main__: **** raise >>> NoBackendError('No backend available') >>> >>> >>> 2024-12-14 13:17:00 weewxd[2083]: CRITICAL __main__: **** >>> usb.core.NoBackendError: No backend available >>> >>> >>> : >>> -- >>> 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 visit >>> https://groups.google.com/d/msgid/weewx-user/44ea9378-6d80-4cb1-b1ce-1a7135757900n%40googlegroups.com >>> >>> <https://groups.google.com/d/msgid/weewx-user/44ea9378-6d80-4cb1-b1ce-1a7135757900n%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 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