*Question 3,* to have 'loose' coupling between this reader-script and any
follow-on function.
Is it possible to add one or more lines for export/save of the JSON-file to
a designated folder?
Op zondag 16 februari 2020 08:38:02 UTC+1 schreef Ton vanN:
>
> Fitted the stand-alone reader *on an 'empty' Raspberry without weewx*
> (just Raspian_Buster + latest Domoticz_beta).
> In new folder /home/pi/Install-files
> Slight name-change to match my system-configuration.
>
> First result from Putty's CLI shown below.
>
> pixx@raspberrypixx:~ $ sudo python
> /home/pi/Install_files/hp3001_reader_python_script.py
> Traceback (most recent call last):
> File "/home/pi/Install_files/hp3001_reader_python_script.py", line 4, in
> <module>
> import usb.core
> ImportError: No module named usb.core
>
> More or less as expected the 'import'-section causes first trouble,
> calling modules not present.
> Not further tested, expecting 'more of the same'. Seems to demonstrate
> that 'stand-alone' in this case is not 100%.
>
> After installation on that machine of *weewx in the 'basic' form
> according to the UserGuide*, the result is as below (for my
> configuration):
>
> pixx@raspberrypixx:~ $ sudo python
> /home/pi/Install_files/hp3001_reader_python_script.py
> {'dateTime': 1581756586, 'extraHumid4': 88, 'extraHumid5': 88,
> 'extraHumid2': 54, 'extraHumid3': 88, 'extraHumid1': 56, 'extraTemp4':
> 11.4, 'extraTemp5': 11.4, 'extraTemp2': 16.8, 'extraTemp3': 11.3,
> 'usUnits': 17, 'extraTemp1': 17.2}
>
> Looks good!
> Probably simplest solution with least effort is installation of weewx
> before running of the reader-script:
> installation may be, either 'basic', or via setup.py
>
> *Next questions*
> - the output of this script on Putty's CLI is recognized as a JSON-file
> - reading a program from another programmer is not always easy.
> Therefore the quick&easy requests to the programmer (*Olivier?*) for
> support of my views:
> 1. What is the line of the script with the print-command and the
> JSON-file-name for this output?
> 2. Output by the JSON-file now dynamically limited to data from valid
> sensors.
> => if a sensor goes down (such as 'battery empty'), then a different
> JSON-file.
> For subsequent processing somewhat easier/simpler if 'empty' fields are
> still there.
> How/where to change the script to get that?
>
> Op vrijdag 14 februari 2020 08:50:02 UTC+1 schreef Ton vanN:
>>
>> Risto,
>>
>> This script sure helps:
>> after stripping out the comments, it ran without errors at first try!
>> Seems quite a good starting point for my planned further effort in
>> direction of Domoticz and for graphing with RRDTool.
>> Like you did, tested while weewx still around & active: therefore next to
>> test that it runs without weewx
>> If not, to be checked whether it runs with weewx installed by the
>> 'simple' method (spreading the files from /root).
>>
>> Last week ;-) quickly learned a lot about weewx by try& error:
>> Olivier_G thanks for the continuous support for this NOOB!
>>
>> My conclusion for first use of weewx:
>> the first installation of weewx makes the difference, but :-( that is
>> unknown for a first time user of weewx.
>> Perhaps a suggestion that in a description for an addition/modification
>> for aspects such as the driver/interface for HP300x or WS3000 in one of the
>> first comment lines it is clearly stated that an installation through
>> setup.py is assumed, putting files in /home/weewx (*or* by the 'simple'
>> method).
>> After I changed to use of setup.py, the scripts from both Matthewwall and
>> Olivier_G started running.
>>
>> Op vrijdag 14 februari 2020 07:02:38 UTC+1 schreef Risto H. Kurppa:
>>>
>>> Not sure if it helps anyone, but with Oliver's help about a year or so
>>> ago, I stripped the ws3000 weewx driver code to work as standalone, without
>>> needing weewx. That way I was able to just read the values to MQTT for
>>> further use, without weewx dependency. The code is not cleaned in any way
>>> and it's actually possible that it still uses some weewx things here or
>>> there- I still have also weewx installed and haven't tested it without
>>> weewx.
>>>
>>> https://pastebin.com/37WkUz7N
>>>
>>> Feel free to use & edit & expand. Or Olivier, maybe you want to add an
>>> standalone script to your github?
>>>
>>> Risto
>>>
>>>
>>>
>>> On Fri, Feb 14, 2020 at 12:26 AM Ton vanN <[email protected]> wrote:
>>>
>>>> Perhaps not 100% done according to Olivier's latest message, but got
>>>> the same result in weewx.conf
>>>> Now (in the next days) an update for display & database .....
>>>>
>>>> Op donderdag 13 februari 2020 22:26:08 UTC+1 schreef Olivier Guyotot:
>>>>>
>>>>> Here, I put the code on github, with some basic installation
>>>>> instructions.
>>>>> https://github.com/hublol/WS-3000_WeeWx
>>>>>
>>>>> I haven't tested those instructions recently, they might be incomplete
>>>>> right now, but it's a start and I'll work to improve them if needed.
>>>>>
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>>>> .
>>>>
>>>
>>>
>>> --
>>> | risto h. kurppa
>>> | risto at kurppa dot fi
>>> | http://risto.kurppa.fi
>>>
>>
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