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Re: [Orgmode] [ANN] org-mime -- using orgmode to send html mail?

From: Andrew Hyatt
Subject: Re: [Orgmode] [ANN] org-mime -- using orgmode to send html mail?
Date: Mon, 12 Apr 2010 09:37:58 -0400

This looks great.  However, I get an error on my test mail:

This is should be HTML mode.


| Table | A |
| 1     | 2 | 

On calling org-mime-htmlize

Debugger entered--Lisp error: (wrong-type-argument stringp nil)
  string-match(nil #("This is should be HTML mode." 0 28 (fontified t)))
  byte-code("\304\211\305\n \"\203A
  org-html-handle-time-stamps(#("This is should be HTML mode." 0 28 (fontified t)))
  org-export-as-html(nil nil nil string t)
  (let nil (org-export-as-html nil nil nil (quote string) t))
  eval((let nil (org-export-as-html nil nil nil (quote string) t)))
  (progn (insert org-mime-default-header) (insert body) (write-file tmp-file) (eval (list ... org-local-vars ...)))
  (unwind-protect (progn (insert org-mime-default-header) (insert body) (write-file tmp-file) (eval ...)) (and (buffer-name temp-buffer) (kill-buffer temp-buffer)))
  (save-current-buffer (set-buffer temp-buffer) (unwind-protect (progn ... ... ... ...) (and ... ...)))
  (with-current-buffer temp-buffer (unwind-protect (progn ... ... ... ...) (and ... ...)))
  (let ((temp-buffer ...)) (with-current-buffer temp-buffer (unwind-protect ... ...)))
  (with-temp-buffer (insert org-mime-default-header) (insert body) (write-file tmp-file) (eval (list ... org-local-vars ...)))
  (save-excursion (with-temp-buffer (insert org-mime-default-header) (insert body) (write-file tmp-file) (eval ...)))
  org-mime-org-export("html" #("\nThis is should be HTML mode.\n\n~foo~\n=bar=\n_baz_\n\n| Table | A |\n| 1     | 2 | \n\n-- \n" 0 1 (fontified t) 1 42 (fontified t) 42 43 (fontified t) 43 44 (article-type emphasis fontified t) 44 47 (fontified t) 47 48 (article-type emphasis fontified t) 48 50 (fontified t) 50 63 (fontified t face (gnus-cite-1 message-cited-text)) 63 64 (fontified t) 64 78 (fontified t face (gnus-cite-1 message-cited-text)) 78 79 (fontified t rear-nonsticky t) 79 80 (fontified t) 80 84 (fontified t)) "/tmp/mail2522NRw")
  (org-mime-replace-images (org-mime-org-export "html" raw-body tmp-file) tmp-file)
  (let* ((region-p ...) (html-start ...) (html-end ...) (raw-body ...) (tmp-file ...) (body ...) (org-export-skip-text-before-1st-heading nil) (org-export-htmlize-output-type ...) (org-export-preserve-breaks org-mime-preserve-breaks) (html-and-images ...) (html-images ...) (html ...)) (delete-region html-start html-end) (save-excursion (goto-char html-start) (insert ... ...)))

On Fri, Apr 9, 2010 at 12:41 PM, Eric Schulte <address@hidden> wrote:
Announcing the addition of org-mime to the contrib directory of Org-mode

this allows sending HTML email using org-mode including...

  • tables
    colname onecolname two
  • inline images including latex equations $f(n) = n + \frac{1}{n}
  \int_{0}^{n}{d_x f(x) + f(n - x)}$ and the results of ditaa blocks, etc…


  • blockquotes

    HTML e-mail is the use of a subset of HTML (often ill-defined) to provide formatting and semantic markup capabilities in e-mail that are not available with plain text. – wikipedia

  • fontified code blocks (shown below)
  • and HTML character conversion, like ∀ character c s.t. ∃ h ∈ HTML characters and c ≡ h, org-html-export of c results in h

The original org-mode formatted plain text is included as a text/plain
mime alternative to the generated html.

Below find the org-mime export of the org-mime worg page which will be
available at http://orgmode.org/worg/org-contrib/org-mime.php.

Best -- Eric


org-mime can be used to send HTML email using Org-mode HTML export.

This approximates a WYSiWYG HTML mail editor from within Emacs, and can be useful for sending tables, notified source code, and inline images in email.

How to use it


org-mime exposes two functions

can be called from within a mail composition buffer to export either the entire buffer or just the active region to html, and embed the results into the buffer as a text/html mime section.
org-mime-htmlize is an interactive Lisp function in `org-mime.el'.

(org-mime-htmlize ARG)

Export a portion of an email body composed using `mml-mode' to
html using `org-mode'.  If called with an active region only
export that region, otherwise export the entire body.
can be called from within an Org-mode buffer to export either the whole buffer or the narrowed subtree or active region to HTML, and open a new email buffer including the resulting HTML content as an embedded mime section.
org-mime-org-buffer-htmlize is an interactive Lisp function in


Export the current org-mode buffer to HTML using
`org-export-as-html' and package the results into an email
handling with appropriate MIME encoding.

The following key bindings are suggested, which bind the C-c M-o key sequence to the appropriate org-mime function in both email and Org-mode buffers.

(add-hook 'message-mode-hook
          (lambda ()
            (local-set-key "\C-c\M-o" 'org-mime-htmlize)))

(add-hook 'org-mode-hook
          (lambda ()
            (local-set-key "\C-c\M-o" 'org-mime-org-buffer-htmlize)))

CSS style customization

Email clients will often strip all global CSS from email messages. In the case of web-based email readers this is essential in order to protect the CSS of the containing web site. To ensure that your CSS styles are rendered correctly they must be included in the actual body of the elements to which they apply.

The `org-mime-html-hook' allows for the insertion of these important CSS elements into the resulting HTML before mime encoding. The following are some possible uses of this hook.

  • for those who use color themes with Dark backgrounds it is useful to set a dark background for all exported code blocks and example regions. This can be accomplished with the following
    (add-hook 'org-mime-html-hook
              (lambda ()
                 "pre" (format "color: %s; background-color: %s; padding: 0.5em;"
                               "#E6E1DC" "#232323"))))
  • the following can be used to nicely offset block quotes in email bodies
    (add-hook 'org-mime-html-hook
              (lambda ()
                 "blockquote" "border-left: 2px solid gray; padding-left: 4px;")))    

For other customization options see the org-mime customization group.


org-mime was developed by Eric Schulte with much-appreciated help and discussion from everyone on the "using orgmode to send html mail" thread especially David Maus.

"Eric Schulte" <address@hidden> writes:

> Carsten Dominik <address@hidden> writes:
>> On Apr 5, 2010, at 7:39 AM, Eric Schulte wrote:
>>> Hi,
>>> It is now possible to send HTML mail directly form an org-mode buffer.
>>> Calling `org-mime-org-buffer-htmlize' (could probably use a better
>>> name)
>>> from inside of an org-mode buffer will use `org-export-as-html' to
>>> generate HTML of the buffer (respecting regions and subtree
>>> narrowing),
>>> and will then package the resulting HTML with all linked images into a
>>> message buffer.
>>> As usual thanks to Carsten's thoughtfully organized functions and
>>> control variables this was surprisingly easy to implement.
>>> Cheers -- Eric
>>> The code is still up at http://github.com/eschulte/org-mime
>> CONTIRB?  yes, after the release.....
> Sounds great, I'm move this into contrib then. -- Eric
>> - Carsten
>>> "Eric Schulte" <address@hidden> writes:
>>>> Dan Davison <address@hidden> writes:
>>>> [...]
>>>>> As I understand it the code you've written is designed to be
>>>>> called in a
>>>>> message-mode buffer with orgstruct-mode in force. Would it make
>>>>> sense to
>>>>> also include in your package a complementary function, that one
>>>>> calls in
>>>>> an org-mode buffer? I envisage this generating the HTML, forming the
>>>>> multipart email contents, and then saving it to the kill ring, so
>>>>> that
>>>>> it can be pasted into an email.
>>>>> This function would have access to the directory-name and so
>>>>> should be
>>>>> able to resolve relative paths. Also, there might be some other
>>>>> advantages -- for example when exporting just a region or subtree,
>>>>> buffer-wide properties such as #+TITLE and #+AUTHOR are picked up
>>>>> by the
>>>>> org exporter and packaged into the HTML.
>>>>> In other words, can I use your machinery to package up the HTML
>>>>> generated by Org's C-e dispatcher into an appropriately-constructed
>>>>> email?
>>>> Hi Dan,
>>>> That sounds like a good idea, I've added it to a fledgling task list
>>>> packaged in the README at [1].  I'd say there are two options.
>>>> 1) which you mentioned saving the entire exported content to the
>>>>   kill-ring.  One problem here is that everything is still text and
>>>>   pastable only *before* the mime export process, which means that
>>>>   linked images wouldn't resolve after pasting into the email client.
>>>> 2) having the function generate a new mail buffer containing the
>>>>   exported content.  This buffer would need to have it's
>>>>   `buffer-file-name' set, for images to resolve during export.  I'm
>>>> not
>>>>   sure how this should best work.
>>>> Thanks -- Eric
>>>> Footnotes:
>>>> [1]  http://github.com/eschulte/org-mime
>>> _______________________________________________
>>> Emacs-orgmode mailing list
>>> Please use `Reply All' to send replies to the list.
>>> address@hidden
>>> http://lists.gnu.org/mailman/listinfo/emacs-orgmode
>> - Carsten

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