Oh and before stating the obvious that the modified lines are commented
out, I did that after trying to extend the schema.
On Sunday, 29 January 2017 11:02:02 UTC-5, Robert Mantel wrote:
>
> Thanks for the explanation Gary. I'm most definitely a noob here so I
> guess I needed a bit more explanation. From what you just wrote, this
> sounds exactly what I did. I added the new schema heading and added it to
> the end of the fileparse.py file and then added the corresponding
> information into the weewx.conf and then performed the wee_database
> reconfig. I can't seem to attach any files here so I'll just put in the
> portions I modified:
>
> In fileparse.py:
>
> # Adding SOC (state of charge) of battery
> #import schemas.wview
> #schema_with_soc = schemas.wview.schema + [('soc', 'REAL')]
>
>
> In weewx.conf:
>
> [DataBindings]
>
> [[wx_binding]]
> # The database must match one of the sections in [Databases].
> # This is likely to be the only option you would want to change.
> database = archive_sqlite
> # The name of the table within the database
> table_name = archive
> # The manager handles aggregation of data for historical summaries
> manager = weewx.wxmanager.WXDaySummaryManager
> # The schema defines the structure of the database.
> # It is *only* used when the database is created.
> schema = schemas.wview.schema
> #schema = user.soc.schema_with_soc
>
>
>
> On Saturday, 28 January 2017 23:19:03 UTC-5, gjr80 wrote:
>>
>> If you wish to have weeWX store a new observation in the archive there
>> are two key steps you need to take. First you need to get the observation
>> 'into' weewx and second you need to get weewx to store the value in the
>> archive. Getting the observation 'into' weeWX typically involves some sort
>> of driver adding the observation to loop packets or archive records. From
>> what I can understand of your posts so far, you appear to be using a
>> modified version of the fileparse driver to do this. That is what
>> Matthew meant by "you already have the observations".You can see this by
>> running weeWX directly, you shoudl see you abs appearing in loop packets
>> and/or archive records.
>>
>> The second step, having weeWX save the observation, requires some action
>> with a database. WeeWX stores archive data whenever an archive record is
>> produced. Once any conversions, corrections etc have been done weeWX looks
>> at each observation in the archive record and each field in the in-use
>> schema and stores archive record observations that have a matching database
>> field in the database; so if there is an observation 'outTemp' in the
>> archive record and there is a field 'outTemp' in the archive table schema,
>> the 'outTemp' value from the archive record will be saved in the 'outTemp'
>> field in the archive table, and so on. If there is an observation called,
>> say, 'SOC' in the archive record but there is no 'SOC' field in the in-use
>> schema then the 'SOC' value in the archive record is effectively discarded,
>> it will not be saved to archive.
>>
>> So one of the approaches to storing additional observations in the
>> archive is to 'extend the default schema' to include the new observation.
>> The beauty of this approach is that it is fairly simple and does not really
>> involve writing any code to manipulate the database, you put a few lines of
>> code in a file extend the schema, a change of setting in weewx.conf and
>> then a bit of database shuffling with wee_database. You now have a
>> database whose archive table includes fields for the new observation(s).
>> WeewWX takes care of getting data into the new field(s) as part of its
>> normal operation. This is what is meant by Matthew when he said 'just
>> extend the schema'. The section of the Customization Guide you need is the
>> section Matthew provided as a link in response to your original post. You
>> will defintely need to follow steps 1 and 2, changing files/obs/fields to
>> suit your system. Step 3 may not be required, especially if using SQLite,
>> but steps 4 onwards will be required.
>>
>> Gary
>>
>> On Sunday, 29 January 2017 12:56:22 UTC+10, Robert Mantel wrote:
>>>
>>> Ok, so there is no soc.py because I thought that extending the schema
>>> meant just adding the schema extension to the filelparse.py and then
>>> reconfiguring the database. I didn't understand from mwall's comments what
>>> exactly was meant by "just extend the schema you already have the
>>> observations"...I can gather the soc value from fileparse.py so I'm not
>>> sure if I need an soc.py? I guess what I'm asking is do I need a new
>>> service for just gathering the soc? If someone can clarify what section of
>>> the customization guide I need to do I'll go from there. I can pretty much
>>> gather anything from my Particle P1 (basically and arduino with wifi) front
>>> end and feed it into fileparse, with the right sensors attached.
>>>
>>> On Friday, 27 January 2017 17:46:08 UTC-5, gjr80 wrote:
>>>>
>>>> Hi,
>>>>
>>>> Think we will need to see the contents of weewx.conf, the contents of
>>>> soc.py and what is the location of soc.py.
>>>>
>>>> Gary
>>>>
>>>>
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