GNU bug report logs -
#74857
30.0.92; Gnus nnatom: url protocol
Previous Next
Full log
Message #40 received at 74857 <at> debbugs.gnu.org (full text, mbox):
Ping! Daniel, any comments? Should we install this?
> From: James Thomas <jimjoe <at> gmx.net>
> Cc: Eli Zaretskii <eliz <at> gnu.org>, Christopher Howard
> <christopher <at> librehacker.com>, 74857 <at> debbugs.gnu.org
> Date: Tue, 11 Mar 2025 17:38:13 +0530
>
> Daniel Semyonov writes:
>
> >>>>>> Eli Zaretskii writes:
> >
> > >> From: Christopher Howard
> > >> Date: Fri, 13 Dec 2024 10:13:02 -0900
> > >>
> > >>
> > >>
> > >> Hi. When setting up a new feed group with nnatom in Gnus, there is a
> > >> little oddity: If I pass in the URL to the feed without the protocol
> > >> specifier, i.e., without the "https://" it works fine. But if I try
> > >> to include the protocol specifier, then I get a message: "Couldn’t
> > >> request list: nil", and the group is not added. It doesn't trigger
> > >> the debugger, even though "debug-on-error" is set t.
> > >>
> > >> So, I frequently have to delete the "https://" part when I am
> > >> copying and pasting from some link for an atom feed. This is a
> > >> bother.
> > >>
> > >> I don't know if this can be reproduced without Gnus already
> > >> being setup, but an example process is:
> > >>
> > >> (1) bring up Gnus group buffer
> > >> (2) run gnus-group-browse-foreign-server (B)
> > >> (3) nnatom
> > >> (4) https://sachachua.com/blog/category/emacs/feed/atom/
> >
> > > Daniel, any comments or suggestions?
> >
> > This is a known issue (also noted in the manual), though the message
> > returned should be more descriptive.
> >
> > The returned message is emitted by Gnus when it fails to get info for
> > the server from the backend, and should use the value of
> > 'backend-status-string' ('nnatom-status-string' in this case); this
> > works on a normal session on my end (returning a message set in
> > 'nnatom--read-feed'), but fails with emacs -Q, also returning "Couldn't
> > request list: nil".
> > I half suspect this is a bug with Gnus trying to read the status string
> > of the wrong server (and not a bug in nnatom), but I'll look into it.
>
> This seems to fix it (but maybe there's a better way):
>
> diff --git a/lisp/gnus/nnatom.el b/lisp/gnus/nnatom.el
> index 7375312b099..fe1f1272f1f 100644
> --- a/lisp/gnus/nnatom.el
> +++ b/lisp/gnus/nnatom.el
> @@ -47,15 +47,14 @@ nnatom
> (defun nnatom--read-feed (feed _)
> "Return a list structure representing FEED, or nil."
> (if (string-match-p "\\`https?://" feed)
> - (nnheader-report
> - nnatom-backend
> + (nnfeed-report
> "Address shouldn't start with \"http://\" or \"https://\"")
> (with-temp-buffer
> (condition-case e
> (if (file-name-absolute-p feed)
> (insert-file-contents feed)
> (mm-url-insert-file-contents (concat "https://" feed)))
> - (file-error (nnheader-report nnatom-backend (cdr e)))
> + (file-error (nnfeed-report (cdr e)))
> (:success (when-let ((data (if (libxml-available-p)
> (libxml-parse-xml-region
> (point-min) (point-max))
> diff --git a/lisp/gnus/nnfeed.el b/lisp/gnus/nnfeed.el
> index ffea063038e..e0489044929 100644
> --- a/lisp/gnus/nnfeed.el
> +++ b/lisp/gnus/nnfeed.el
> @@ -687,6 +687,9 @@ nnfeed-request-rename-group
> (setq nnfeed-group new-name))
> t))
>
> +(deffoo nnfeed-report (&rest args)
> + (apply #'nnheader-report 'nnfeed args))
> +
> (provide 'nnfeed)
>
> ;;; nnfeed.el ends here
>
>
> For those who're wondering what's going on, (info "(gnus) Writing New
> Back Ends") says:
>
> This means that ‘nnml-current-directory’ will be set to
> ‘nndir-directory’ when an ‘nnml’ function is called on behalf of
> ‘nndir’. (The same with ‘nnmh’.)
>
> (FTR, I hate OOP)
>
> --
>
This bug report was last modified 23 days ago.
Previous Next
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997,2003 nCipher Corporation Ltd,
1994-97 Ian Jackson.