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* [PATCH v2] Allow content preference based on message content.
@ 2016-01-29 17:27 David Edmondson
  2016-01-29 17:27 ` [PATCH v2] emacs: Allow part preferences to depend " David Edmondson
  0 siblings, 1 reply; 4+ messages in thread
From: David Edmondson @ 2016-01-29 17:27 UTC (permalink / raw)
  To: notmuch


Allow content preference based on message content.

An example configuration might be:

  (defun dme:determine-discouraged (msg)
    (let* ((headers (plist-get msg :headers))
	   (from (plist-get headers :From)))
      (cond
       ((string-match "9195404@capita-intouch.co.uk" from)
	'("text/plain"))
       (t
	'("text/html" "multipart/related")))))

   (setq notmuch-multipart/alternative-discouraged
   	 'dme:determine-discouraged)

This would discourage text/html and multipart/related generally, but
discourage text/plain should the message be sent from
9195404@capita-intouch.co.uk.

v2:
- Remove the simple evaluation variant based on feedback.


David Edmondson (1):
  emacs: Allow part preferences to depend on message content.

 emacs/notmuch-lib.el  | 20 ++++++++++++++++----
 emacs/notmuch-mua.el  |  2 +-
 emacs/notmuch-show.el |  2 +-
 3 files changed, 18 insertions(+), 6 deletions(-)

-- 
2.6.3

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH v2] emacs: Allow part preferences to depend on message content.
  2016-01-29 17:27 [PATCH v2] Allow content preference based on message content David Edmondson
@ 2016-01-29 17:27 ` David Edmondson
  2016-03-24 11:05   ` David Bremner
  0 siblings, 1 reply; 4+ messages in thread
From: David Edmondson @ 2016-01-29 17:27 UTC (permalink / raw)
  To: notmuch

Currently the preference for which sub-part of a multipart/alternative
part is shown is global. Allow to the user to override the settings on a
per-message basis by providing the ability to call a function that has
access to the message to return the discouraged type list.

The original approach is retained as the default.
---
 emacs/notmuch-lib.el  | 20 ++++++++++++++++----
 emacs/notmuch-mua.el  |  2 +-
 emacs/notmuch-show.el |  2 +-
 3 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/emacs/notmuch-lib.el b/emacs/notmuch-lib.el
index 89c01a5..6b815c2 100644
--- a/emacs/notmuch-lib.el
+++ b/emacs/notmuch-lib.el
@@ -520,11 +520,23 @@ This replaces spaces, percents, and double quotes in STR with
     "multipart/related"
     ))
 
-(defun notmuch-multipart/alternative-choose (types)
-  "Return a list of preferred types from the given list of types"
+(defun notmuch-multipart/alternative-determine-discouraged (msg)
+  "Return the discouraged alternatives for the specified message."
+  ;; If a function, return the result of calling it.
+  (if (functionp notmuch-multipart/alternative-discouraged)
+      (funcall notmuch-multipart/alternative-discouraged msg)
+    ;; Otherwise simply return the value of the variable, which is
+    ;; assumed to be a list of discouraged alternatives. This is the
+    ;; default behaviour.
+    notmuch-multipart/alternative-discouraged))
+
+(defun notmuch-multipart/alternative-choose (msg types)
+  "Return a list of preferred types from the given list of types
+for this message, if present."
   ;; Based on `mm-preferred-alternative-precedence'.
-  (let ((seq types))
-    (dolist (pref (reverse notmuch-multipart/alternative-discouraged))
+  (let ((discouraged (notmuch-multipart/alternative-determine-discouraged msg))
+	(seq types))
+    (dolist (pref (reverse discouraged))
       (dolist (elem (copy-sequence seq))
 	(when (string-match pref elem)
 	  (setq seq (nconc (delete elem seq) (list elem))))))
diff --git a/emacs/notmuch-mua.el b/emacs/notmuch-mua.el
index 5462f54..8244258 100644
--- a/emacs/notmuch-mua.el
+++ b/emacs/notmuch-mua.el
@@ -147,7 +147,7 @@ Note that these functions use `mail-citation-hook' if that is non-nil."
 	if (notmuch-match-content-type (plist-get part :content-type) "multipart/alternative")
 	  collect (let* ((subparts (plist-get part :content))
 			(types (mapcar (lambda (part) (plist-get part :content-type)) subparts))
-			(chosen-type (car (notmuch-multipart/alternative-choose types))))
+			(chosen-type (car (notmuch-multipart/alternative-choose nil types))))
 		   (loop for part in (reverse subparts)
 			 if (notmuch-match-content-type (plist-get part :content-type) chosen-type)
 			 return part))
diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
index 3345878..2ec30a8 100644
--- a/emacs/notmuch-show.el
+++ b/emacs/notmuch-show.el
@@ -612,7 +612,7 @@ will return nil if the CID is unknown or cannot be retrieved."
 	  (plist-get part :content)))
 
 (defun notmuch-show-insert-part-multipart/alternative (msg part content-type nth depth button)
-  (let ((chosen-type (car (notmuch-multipart/alternative-choose (notmuch-show-multipart/*-to-list part))))
+  (let ((chosen-type (car (notmuch-multipart/alternative-choose msg (notmuch-show-multipart/*-to-list part))))
 	(inner-parts (plist-get part :content))
 	(start (point)))
     ;; This inserts all parts of the chosen type rather than just one,
-- 
2.6.3

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH v2] emacs: Allow part preferences to depend on message content.
  2016-01-29 17:27 ` [PATCH v2] emacs: Allow part preferences to depend " David Edmondson
@ 2016-03-24 11:05   ` David Bremner
  2016-04-03 16:05     ` David Edmondson
  0 siblings, 1 reply; 4+ messages in thread
From: David Bremner @ 2016-03-24 11:05 UTC (permalink / raw)
  To: David Edmondson, notmuch

David Edmondson <dme@dme.org> writes:

> Currently the preference for which sub-part of a multipart/alternative
> part is shown is global. Allow to the user to override the settings on a
> per-message basis by providing the ability to call a function that has
> access to the message to return the discouraged type list.

This patch looks fine, but it needs a smarter monkey than me to rebase
it.

d

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH v2] emacs: Allow part preferences to depend on message content.
  2016-03-24 11:05   ` David Bremner
@ 2016-04-03 16:05     ` David Edmondson
  0 siblings, 0 replies; 4+ messages in thread
From: David Edmondson @ 2016-04-03 16:05 UTC (permalink / raw)
  To: David Bremner, notmuch

On Thu, Mar 24 2016, David Bremner <david@tethera.net> wrote:
> David Edmondson <dme@dme.org> writes:
>
>> Currently the preference for which sub-part of a multipart/alternative
>> part is shown is global. Allow to the user to override the settings on a
>> per-message basis by providing the ability to call a function that has
>> access to the message to return the discouraged type list.
>
> This patch looks fine, but it needs a smarter monkey than me to rebase
> it.

Updated patch follows id:1459699478-21167-1-git-send-email-dme@dme.org.

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2016-04-03 16:06 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-01-29 17:27 [PATCH v2] Allow content preference based on message content David Edmondson
2016-01-29 17:27 ` [PATCH v2] emacs: Allow part preferences to depend " David Edmondson
2016-03-24 11:05   ` David Bremner
2016-04-03 16:05     ` David Edmondson

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