microdata.el

An emacs package for extracting microdata from HTML and emails. Useful for executing email actions from Emacs.

Example

Personally, I use this package to open Discourse and GitHub PR/issue notifications from notmuch. These examples demonstrate how that works.

Ex 1: Notmuch Action Menu

Here we display an Ivy menu with all available actions.

(require 'microdata)
(require 'notmuch)

(defun notmuch-show--get-actions ()
  (let (html)
    (with-current-notmuch-show-message (setq html (microdata-email-actions)))
    html))

(defun notmuch-show-action ()
  "Pick an action to perform on the email."
  (interactive)
  (if-let ((actions (notmuch-show--get-actions)))
      (when-let* ((selected (completing-read "Action: " actions nil t))
                  (action (alist-get selected actions nil nil 'equal))
                  (url (alist-get 'url action)))
        (browse-url url))
    (user-error "No actions defined!")))

Ex 2: Notmuch Show View

Here we execute the “view” action for the currently viewed email, if any.

(require 'microdata)
(require 'notmuch)

;; This can be used to quickly open an email's "view target" in a web browser.
(defun notmuch-show-action-view ()
      "Execute the `view' action."
      (interactive)
      (with-current-notmuch-show-message
       (when-let ((action (car (microdata-email-actions-by-type "ViewAction"))))
         (message "%s: %s" (car action) (cdr action))
         (browse-url (cdr action)))))

Ex 3: Notmuch Search View

Here we execute the “view” action for the currently selected email (in search mode) if any. I usually bind this to C-c C-c or equivalent to quickly view issues/PRs from GitHub notification emails.

(require 'microdata)
(require 'notmuch)

(defun notmuch-show-action-view ()
  "Execute the `view' action."
  (interactive)
  (with-current-notmuch-show-message
   (when-let ((action (car (microdata-email-actions-by-type "ViewAction"))))
     (message "%s: %s" (car action) (cdr action))
     (browse-url (cdr action)))))

License

Stebalien/microdata.el

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