GNU bug report logs - #74781
[PATCH] Add `browse-url-qutebrowser'

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Message #11 received at 74781 <at> debbugs.gnu.org (full text, mbox):

From: Daniel Mendler <mail <at> daniel-mendler.de>
To: Robert Pluim <rpluim <at> gmail.com>
Cc: 74781 <at> debbugs.gnu.org
Subject: Re: bug#74781: [PATCH] Add `browse-url-qutebrowser'
Date: Wed, 11 Dec 2024 10:07:08 +0100

Hi Robert,

thank you for looking at the patch. I have a few questions.

>     Daniel> +(defcustom browse-url-qutebrowser-program "qutebrowser"
>     Daniel> +  "The name by which to invoke Qutebrowser."
>     Daniel> +  :type 'string)
>     Daniel> +
>     Daniel> +(defcustom browse-url-qutebrowser-arguments nil
>     Daniel> +  "A list of strings to pass to Qutebrowser when it starts up."
>     Daniel> +  :type '(repeat (string :tag "Argument")))
>     Daniel> +
>
> :version tags please

Other similar variables have been added recently and lack the version
tags. I didn't add the tags for consistency with the other variables. I
wonder if the Emacs help system does recognize automatically when
variables got added?

>     Daniel>  (defcustom browse-url-new-window-flag nil
>     Daniel>    "Non-nil means always open a new browser window with appropriate browsers.
>     Daniel>  Passing an interactive argument to \\[browse-url], or specific browser
>     Daniel> @@ -1294,6 +1308,60 @@ browse-url-epiphany-sentinel
>     Daniel>  	       browse-url-epiphany-program
>     Daniel>  	       (append browse-url-epiphany-startup-arguments (list url))))))
>
>     Daniel> +(defun browse-url-qutebrowser-send (cmd)
>     Daniel> +  "Send CMD to Qutebrowser via IPC."
>     Daniel> +  (let* ((dir (getenv "XDG_RUNTIME_DIR"))
>
> We have `xdg-runtime-dir' in xdg.el

The goal was to avoid loading `xdg.el' unnecessarily for this trivial
function, which is just a wrapper around `getenv'. Do you suggest to use
`declare-function' and require xdg inside `browse-url-qutebrowser-send'?

>     Daniel> +         (sock (and dir (expand-file-name
>     Daniel> +                         (format "qutebrowser/ipc-%s" (md5 (user-login-name)))
>     Daniel> +                         dir))))
>     Daniel> +    (unless (file-exists-p sock)
>     Daniel> +      (error "No Qutebrowser IPC socket found"))
>     Daniel> +    (let ((proc
>     Daniel> +           (make-network-process
>     Daniel> +            :name "qutebrowser"
>     Daniel> +            :family 'local
>     Daniel> +            :service sock
>     Daniel> +            :coding 'utf-8)))
>     Daniel> +      (unwind-protect
>     Daniel> +          (process-send-string
>     Daniel> +           proc
>     Daniel> +           (concat
>     Daniel> +            (json-serialize `( :args [,cmd]
>     Daniel> +                               :target_arg :null
>     Daniel> +                               :protocol_version 1))
>     Daniel> +            "\n"))
>     Daniel> +        (delete-process proc)))))
>     Daniel> +
>
> Perhaps Iʼm being paranoid, but maybe you should check the status of
> `proc' before sending it a string.

`process-send-string' throwns an error if opening the file failed, so a
status check won't be beneficial. Also note that `make-network-process'
fails if opening the socket file fails. Thanks again.

Daniel

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