Couldn't run test.py as I don't know what's supposed to be in it, but after 
running yum install libusb and trying to restart weewx... 

Aug 16 23:35:19 weather systemd: Stopping SYSV: start and stop the weewx 
weather system...
Aug 16 23:35:21 weather weewx: Shutting down weewx: [FAILED]
Aug 16 23:35:21 weather systemd: Starting SYSV: start and stop the weewx 
weather system...
Aug 16 23:35:22 weather weewx[2129]: engine: Initializing weewx version 
3.8.0
Aug 16 23:35:22 weather weewx[2129]: engine: Using Python 2.7.5 (default, 
Jul 13 2018, 13:06:57) #012[GCC 4.8.5 20150623 (Red Hat 4.8.5-28)]
Aug 16 23:35:22 weather weewx[2129]: engine: Platform 
Linux-3.10.0-862.11.6.el7.x86_64-x86_64-with-centos-7.5.1804-Core
Aug 16 23:35:22 weather weewx[2129]: engine: Locale is 'en_GB.UTF-8'
Aug 16 23:35:22 weather weewx[2129]: engine: pid file is /var/run/weewx.pid
Aug 16 23:35:22 weather weewx: Starting weewx: [  OK  ]
Aug 16 23:35:22 weather weewx[2133]: engine: Using configuration file 
/home/weewx/weewx.conf
Aug 16 23:35:22 weather weewx[2133]: engine: Loading station type WMR300 
(weewx.drivers.wmr300)
Aug 16 23:35:22 weather systemd: Started SYSV: start and stop the weewx 
weather system.
Aug 16 23:35:22 weather weewx[2133]: wmr300: driver version is 0.18
Aug 16 23:35:22 weather weewx[2133]: wmr300: usb info: pyusb_version=1.0.2
Aug 16 23:35:22 weather weewx[2133]: wmr300: sensor map is {'outHumidity': 
'humidity_1', 'extraDewpoint6': 'dewpoint_7', 'windchill': 'windchill', 
'extraDewpoint4': 'dewpoint_5', 'rainRate': 'rain_rate', 'heatindex': 
'heatindex_1', 'inTemp': 'temperature_0', 'windGustDir': 'wind_gust_dir', 
'extraDewpoint2': 'dewpoint_3', 'extraDewpoint3': 'dewpoint_4', 
'extraDewpoint1': 'dewpoint_2', 'barometer': 'barometer', 'extraDewpoint7': 
'dewpoint_8', 'dewpoint': 'dewpoint_1', 'extraDewpoint5': 'dewpoint_6', 
'extraHumid6': 'humidity_7', 'pressure': 'pressure', 'extraHumid4': 
'humidity_5', 'extraHumid5': 'humidity_6', 'extraHumid2': 'humidity_3', 
'extraHumid3': 'humidity_4', 'extraHumid1': 'humidity_2', 'extraTemp6': 
'temperature_7', 'extraTemp7': 'temperature_8', 'extraTemp4': 
'temperature_5', 'extraTemp5': 'temperature_6', 'extraTemp2': 
'temperature_3', 'extraTemp3': 'temperature_4', 'extraTemp1': 
'temperature_2', 'extraHeatindex3': 'heatindex_4', 'extraHeatindex2': 
'heatindex_3', 'extraHeatindex1': 'heatindex_2', 'extraHeatindex7': 
'heatindex_8', 'extraHeatindex6': 'heatindex_7', 'extraHeatindex5': 
'heatindex_6', 'extraHumid7': 'humidity_8', 'extraHeatindex4': 
'heatindex_5', 'windDir': 'wind_dir', 'outTemp': 'temperature_1', 
'windSpeed': 'wind_avg', 'inHumidity': 'humidity_0', 'windGust': 
'wind_gust'}
Aug 16 23:35:25 weather kernel: usb 2-2.1: reset full-speed USB device 
number 4 using uhci_hcd
Aug 16 23:35:25 weather weewx[2133]: engine: StdConvert target unit is 0x1
Aug 16 23:35:25 weather weewx[2133]: wxcalculate: The following values will 
be calculated: barometer=prefer_hardware, windchill=hardware, 
dewpoint=hardware, appTemp=prefer_hardware, rainRate=hardware, 
windrun=prefer_hardware, heatindex=hardware, maxSolarRad=prefer_hardware, 
humidex=prefer_hardware, pressure=prefer_hardware, 
inDewpoint=prefer_hardware, ET=prefer_hardware, altimeter=prefer_hardware, 
cloudbase=prefer_hardware
Aug 16 23:35:25 weather weewx[2133]: wxcalculate: The following algorithms 
will be used for calculations: altimeter=aaNOAA, maxSolarRad=RS
Aug 16 23:35:25 weather weewx[2133]: engine: Archive will use data binding 
wx_binding
Aug 16 23:35:25 weather weewx[2133]: engine: Record generation will be 
attempted in 'hardware'
Aug 16 23:35:25 weather weewx[2133]: engine: Using archive interval of 300 
seconds (specified in weewx configuration)
Aug 16 23:35:25 weather weewx[2133]: manager: Created and initialized table 
'archive' in database 'weewx.sdb'
Aug 16 23:35:26 weather weewx[2133]: manager: Created daily summary tables
Aug 16 23:35:26 weather weewx[2133]: engine: Using binding 'wx_binding' to 
database 'weewx.sdb'
Aug 16 23:35:26 weather weewx[2133]: manager: Starting backfill of daily 
summaries
Aug 16 23:35:26 weather weewx[2133]: restx: StationRegistry: Registration 
not requested.
Aug 16 23:35:26 weather weewx[2133]: restx: Wunderground: Posting not 
enabled.
Aug 16 23:35:26 weather weewx[2133]: restx: PWSweather: Posting not enabled.
Aug 16 23:35:26 weather weewx[2133]: restx: CWOP: Posting not enabled.
Aug 16 23:35:26 weather weewx[2133]: restx: WOW: Posting not enabled.
Aug 16 23:35:26 weather weewx[2133]: restx: AWEKAS: Posting not enabled.
Aug 16 23:35:26 weather weewx[2133]: engine: Starting up weewx version 3.8.0
Aug 16 23:35:26 weather weewx[2133]: wmr300: reading records since ******* 
N/A *******     (    N/A   )
Aug 16 23:35:26 weather weewx[2133]: wmr300: usb failure: [Errno 110] 
Operation timed out
Aug 16 23:35:26 weather weewx[2133]: engine: Caught WeeWxIOError: [Errno 
110] Operation timed out
Aug 16 23:35:26 weather weewx[2133]:    ****  Waiting 60 seconds then 
retrying...


On Thursday, 16 August 2018 19:41:28 UTC+1, vince wrote:
>
> He's missing the 'libusb' rpm....
>
> On a clean centos/7 vagrant box with only pyusb rpm added....
>
> [vagrant@localhost ~]$ python test.py
> libc.so.6
> None
> None
> Traceback (most recent call last):
>   File "f.py", line 6, in <module>
>     print usb.core.find()
>   File "/usr/lib/python2.7/site-packages/usb/core.py", line 864, in find
>     raise ValueError('No backend available')
> ValueError: No backend available
>
>
>
> After also doing a 'yum install libusb' things look cleaner:
>
> [vagrant@localhost ~]$ python f.py
> libc.so.6
> libusb-1.0.so.0
> libusb-0.1.so.4
> None 
>
>

-- 
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].
For more options, visit https://groups.google.com/d/optout.

Reply via email to