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bug#64202: bug#66188: 29.1; Include Atom feed reader
From: |
James Thomas |
Subject: |
bug#64202: bug#66188: 29.1; Include Atom feed reader |
Date: |
Sat, 10 Feb 2024 01:36:21 +0530 |
User-agent: |
Gnus/5.13 (Gnus v5.13) |
Daniel Semyonov wrote:
>>>>>> James Thomas writes:
>
> > Daniel Semyonov wrote:
> >>>>>>> James Thomas writes:
> >>
> >> > Another thing: The article numbers seem to be assigned in the
> >> > reverse order of datetime on each fetch: ie. the later posts seem
> >> > to have a smaller number. Is this intentional?
> >>
> >> The articles are numbered based on the order they appear in the feed.
>
> > Of course, but my point was different. Let me try and explain it better
> > with an example:
>
> Sorry, but I don't understand this example, you seem to be describing
> the exact opposite of what should be happening.
>
> > Let's say a fetch in the early morning returns these:
>
> > 6am : Post 1: article number 3
> > 7am : Post 2: article number 2
> > 8am : Post 3: article number 1
>
> > (note that the order is reverse)
>
> If the 6am post is the first post in the feed, it should get article
> number 1 (and the 8am post should get number 3).
>
> > And a second fetch later on returns these:
>
> > 9am : Post 4: article number 6
> > 10am: Post 5: article number 5
> > 11am: Post 6: article number 4
>
> Same for the 9am post getting article number 4.
>
> > When sorting them later on (by number), the order ends up being:
>
> > 8am : Post 3: article number 1
> > 7am : Post 2: article number 2
> > 6am : Post 1: article number 3
> > 10am: Post 5: article number 5
> > 11am: Post 6: article number 4
> > 9am : Post 4: article number 6
>
> > ...which is neither descending nor ascending (by time). This could be
> > fixed if the number generation order (on each fetch) were simply
> > reversed.
>
> If the posts appear in a chronological order, it should end up being
> correct. I think what's happening is that the feed you're testing
> actually uses a reverse chronological order for posts. If not, send me
> the feed, I might be misunderstanding something.
Hmm.. It seems to be happening that way for every server I used:
git.savannah.gnu.org/cgit/emacs.git/atom/?h=master
rss.slashdot.org/Slashdot/slashdotMainatom:Slashdot
github.com/emacs-mirror/emacs/commits.atom
(the article numbers are displayed in the Summary buffer modeline)
>
> Also there is no "number generation order", the number is just
> incremented when a new entry is encountered. You can't know ahead of
> time how many new entries you will encounter, so you can't easily
> "reverse" this process (it is possible though).
>
> > (info "(gnus) Back End Interface") uses the words 'later' and 'order of
> > arrival'.
>
> > WDYT?
>
> I don't think it's really possible to know the order in which entries
> arrived in a feed. I've seen feeds with posts in chronological,
> reverse-chronological and (seemingly) random orders. Each entry in each
> feed might contain a date and an "update" date (in Atom feeds). IME the
> relation between these dates and the dates the corresponding posts were
> actually published or updated is non-existent.
> I still think your best bet is to just sort by date manually.
OK. I think I'll use the datetime; for the time being at least.
Regards,
James
- bug#64202: [PATCH] Gnus: Add back end for Atom feeds (nnatom), James Thomas, 2024/02/01
- bug#64202: [PATCH] Gnus: Add back end for Atom feeds (nnatom), Daniel Semyonov, 2024/02/04
- bug#64202: bug#66188: 29.1; Include Atom feed reader, Daniel Semyonov, 2024/02/07
- bug#64202: bug#66188: 29.1; Include Atom feed reader, James Thomas, 2024/02/07
- bug#64202: bug#66188: 29.1; Include Atom feed reader, Daniel Semyonov, 2024/02/08
- bug#64202: bug#66188: 29.1; Include Atom feed reader, James Thomas, 2024/02/08
- bug#64202: bug#66188: 29.1; Include Atom feed reader, Daniel Semyonov, 2024/02/09
- bug#64202: bug#66188: 29.1; Include Atom feed reader,
James Thomas <=
- bug#64202: bug#66188: 29.1; Include Atom feed reader, Daniel Semyonov, 2024/02/09
- bug#64202: bug#66188: 29.1; Include Atom feed reader, James Thomas, 2024/02/09
- bug#64202: bug#66188: 29.1; Include Atom feed reader, James Thomas, 2024/02/21
- bug#64202: bug#66188: 29.1; Include Atom feed reader, Daniel Semyonov, 2024/02/22
- bug#64202: bug#66188: 29.1; Include Atom feed reader, Daniel Semyonov, 2024/02/23
- bug#64202: bug#66188: 29.1; Include Atom feed reader, James Thomas, 2024/02/24
- bug#64202: bug#66188: 29.1; Include Atom feed reader, Daniel Semyonov, 2024/02/27