Whatever reason I had for coercing the value to a string has been lost to antiquity. If you change
string_val = str(val) to string_val = val it should work for your list. Fixed in commit 9b203d6 <https://github.com/weewx/weewx/commit/9b203d644392cc0713139f33e1e73e42e22dfe6d,>, to appear in V5 On Wed, May 3, 2023 at 2:53 PM Tom Keffer <[email protected]> wrote: > I don't remember why I coerce the type into a string. I'm sure I had a > reason, but I don't recall it now. > > I'll look into it. > > On Wed, May 3, 2023 at 6:49 AM Karen K <[email protected]> wrote: > >> Ok, the documentation says "It is useful for things like strings, >> although there is no reason it can't be used for other things". I used it >> for "other things" and let a service provide an observation type that is a >> list. In the LOOP packet, there it is still a list. But in the ARCHIVE >> record, it is a string instead of a list. >> >> Then assume a template that contains: >> >> #for $ii in $current.myobservationtype.raw >> do something >> #end for >> >> Here the loop goes over the characters of the string instead of the list >> elements. >> >> And it is the 'firstlast' accumulator that converts the original list to >> the string. >> >> So the conclusion is: The 'firstlast' accumulator can only be used for >> strings but not for "other things" like lists. >> >> Tom Keffer schrieb am Mittwoch, 3. Mai 2023 um 13:50:55 UTC+2: >> >>> Not following. In Python, almost anything can be converted to a string. >>> For example, >>> >>> str(complex(1,2)) >>> >>> yields >>> >>> '(1+2j)' >>> >>> >>> >>> On Tue, May 2, 2023 at 10:22 PM Karen K <[email protected]> wrote: >>> >>>> I am not sure, so I don't want to edit the accumulators wiki page, but >>>> I want to ask. >>>> >>>> The wiki page says " >>>> >>>> - firstlast. This accumulator accumulates only the first and last >>>> entry it has seen, along with their times. It is useful for things like >>>> strings, although there is no reason it can't be used for other things." >>>> >>>> But if I understand the code right there is a reason why this >>>> accumulator CANNOT be used for other things than strings. In line 399 of >>>> accum.py (version 4.10.2) the provided value is converted to a string. So >>>> nothing else than strings can be used with this accumulator. >>>> >>>> Should the wiki page be changed? >>>> >>>> -- >>>> 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 on the web visit >>>> https://groups.google.com/d/msgid/weewx-user/7d92870c-f3f6-4ca1-815c-aa729b48e8ddn%40googlegroups.com >>>> <https://groups.google.com/d/msgid/weewx-user/7d92870c-f3f6-4ca1-815c-aa729b48e8ddn%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 from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/weewx-user/fc94b1fd-f0fe-4a37-8707-21924aa64011n%40googlegroups.com >> <https://groups.google.com/d/msgid/weewx-user/fc94b1fd-f0fe-4a37-8707-21924aa64011n%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 from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/CAPq0zECXNuF7Mi536zaN587i1N8oYynRTo%3DAQBi-%2ByEuEA50EA%40mail.gmail.com.
