pywws-livelog is not working. ¿"self.last_stored_time" type error?

[Hermes Flores]

Hello, sorry for my English. Im usign Ubuntu Server 20 on a Raspberry pi . I have basic knowledge on ubuntu y raspberry.

I am trying to run the livelog but it throws the following error:

Traceback (most recent call last):

  File "/usr/local/bin/pywws-livelog", line 8, in <module>

    sys.exit(main())

  File "/usr/local/lib/python3.8/dist-packages/pywws/livelog.py", line 130, in main

    return live_log(args[0])

  File "/usr/local/lib/python3.8/dist-packages/pywws/livelog.py", line 75, in live_log

    datalogger = pywws.logdata.DataLogger(context)

  File "/usr/local/lib/python3.8/dist-packages/pywws/logdata.py", line 102, in __init__

    while saved_date < self.last_stored_time:

TypeError: '<' not supported between instances of 'NoneType' and 'datetime.datetime'

This is my /home/pywws/data/weather.ini:

[paths]

work = /tmp/pywws

datastoretype = filedata

templates = /home/pywws/weather/templates/

graph_templates = /home/pywws/weather/graph_templates/

modules = /home/pywws/weather/modules/

[config]

usb activity margin = 3.0

ws type = 1080

pressure offset = -4.1

logdata sync = 0

frequent writes = True

gnuplot version = 4.2

gnuplot encoding = iso_8859_1

day end hour = 9, False

rain day threshold = 0.2

[live]

services = []

plot = []

text = []

[logged]

services = []

text = []

plot = []                                                                                                                                                                                      

[hourly]

services = []

text = []

plot = []

[12 hourly]

services = []

text = []

plot = []

[daily]

services = []

text = []

plot = []

And this my "/etc/systemd/system/pywws.service":

g

[Unit]

Description=pywws weather station live logging

After=time-sync.target

[Service]

Type=simple

User=pywws

Restart=on-failure

PermissionsStartOnly=true

ExecStartPre=/bin/mkdir -p /var/log/pywws

ExecStartPre=/bin/chown -R pywws:nogroup /var/log/pywws/

ExecStart=/usr/local/bin/pywws-livelog -v -l /var/log/pywws/pywws.log /home/pywws/data/

[Jim Easterbrook]

On 01/04/2021 01:38, Hermes Flores wrote:
> Hello, sorry for my English. Im usign Ubuntu Server 20 on a Raspberry pi
> . I have basic knowledge on ubuntu y raspberry.
> I am trying to run the livelog but it throws the following error:

> /*  File "/usr/local/lib/python3.8/dist-packages/pywws/logdata.py", line
> 102, in __init__*/
> /*    while saved_date < self.last_stored_time:*/
> */TypeError: '<' not supported between instances of 'NoneType' and
> 'datetime.datetime/'*

The problem is with the [data] section in your status.ini file. Delete
that section and try running pywws again.
--
Jim Easterbrook <http://www.jim-easterbrook.me.uk/>