unofficial mirror of notmuch@notmuchmail.org
 help / color / mirror / Atom feed
2c51e89bb2a29f91f9e3e88a4d4d9f10d2a893cb blob 16780 bytes (raw)

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
 
;;; notmuch-address.el --- address completion with notmuch
;;
;; Copyright © David Edmondson
;;
;; This file is part of Notmuch.
;;
;; Notmuch is free software: you can redistribute it and/or modify it
;; under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; Notmuch is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;; General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with Notmuch.  If not, see <https://www.gnu.org/licenses/>.
;;
;; Authors: David Edmondson <dme@dme.org>

;;; Code:

(require 'message)
(require 'notmuch-parser)
(require 'notmuch-lib)
(require 'notmuch-company)
;;
(declare-function company-manual-begin "company")

(defvar notmuch-address-last-harvest 0
  "Time of last address harvest.")

(defvar notmuch-address-completions (make-hash-table :test 'equal)
  "Hash of email addresses for completion during email composition.
This variable is set by calling `notmuch-address-harvest'.")

(defvar notmuch-address-full-harvest-finished nil
  "Whether full completion address harvesting has finished.
Use `notmuch-address--harvest-ready' to access as that will load
a saved hash if necessary (and available).")

(defun notmuch-address--harvest-ready ()
  "Return t if there is a full address hash available.

If the hash is not present it attempts to load a saved hash."
  (or notmuch-address-full-harvest-finished
      (notmuch-address--load-address-hash)))

(defcustom notmuch-address-command 'internal
  "Determines how address completion candidates are generated.

If it is a string then that string should be an external program
which must take a single argument (searched string) and output a
list of completion candidates, one per line.

Alternatively, it can be the symbol `internal', in which case
internal completion is used; the variable
`notmuch-address-internal-completion' can be used to customize
this case.

Finally, if this variable is nil then address completion is
disabled."
  :type '(radio
	  (const :tag "Use internal address completion" internal)
	  (const :tag "Disable address completion" nil)
	  (string :tag "Use external completion command"))
  :group 'notmuch-send
  :group 'notmuch-address
  :group 'notmuch-external)

(defcustom notmuch-address-internal-completion '(sent nil)
  "Determines how internal address completion generates candidates.

This should be a list of the form (DIRECTION FILTER), where
DIRECTION is either sent or received and specifies whether the
candidates are searched in messages sent by the user or received
by the user (note received by is much faster), and FILTER is
either nil or a filter-string, such as \"date:1y..\" to append to
the query."
  :type '(list :tag "Use internal address completion"
	       (radio
		:tag "Base completion on messages you have"
		:value sent
		(const :tag "sent (more accurate)" sent)
		(const :tag "received (faster)" received))
	       (radio :tag "Filter messages used for completion"
		      (const :tag "Use all messages" nil)
		      (string :tag "Filter query")))
  ;; We override set so that we can clear the cache when this changes
  :set (lambda (symbol value)
	 (set-default symbol value)
	 (setq notmuch-address-last-harvest 0)
	 (setq notmuch-address-completions (clrhash notmuch-address-completions))
	 (setq notmuch-address-full-harvest-finished nil))
  :group 'notmuch-send
  :group 'notmuch-address
  :group 'notmuch-external)

(defcustom notmuch-address-save-filename nil
  "Filename to save the cached completion addresses.

All the addresses notmuch uses for address completion will be
cached in this file.  This has obvious privacy implications so
you should make sure it is not somewhere publicly readable."
  :type '(choice (const :tag "Off" nil)
		 (file :tag "Filename"))
  :group 'notmuch-send
  :group 'notmuch-address
  :group 'notmuch-external)

(defcustom notmuch-address-selection-function 'notmuch-address-selection-function
  "The function to select address from given list.

The function is called with PROMPT, COLLECTION, and INITIAL-INPUT
as arguments (subset of what `completing-read' can be called
with).  While executed the value of `completion-ignore-case'
is t.  See documentation of function
`notmuch-address-selection-function' to know how address
selection is made by default."
  :type 'function
  :group 'notmuch-send
  :group 'notmuch-address
  :group 'notmuch-external)

(defcustom notmuch-address-post-completion-functions nil
  "Functions called after completing address.

The completed address is passed as an argument to each function.
Note that this hook will be invoked for completion in headers
matching `notmuch-address-completion-headers-regexp'."
  :type 'hook
  :group 'notmuch-address
  :group 'notmuch-hooks)

(defun notmuch-address-selection-function (prompt collection initial-input)
  "Call (`completing-read'
      PROMPT COLLECTION nil nil INITIAL-INPUT 'notmuch-address-history)"
  (completing-read
   prompt collection nil nil initial-input 'notmuch-address-history))

(defvar notmuch-address-completion-headers-regexp
  "^\\(Resent-\\)?\\(To\\|B?Cc\\|Reply-To\\|From\\|Mail-Followup-To\\|Mail-Copies-To\\):")

(defvar notmuch-address-history nil)

(defun notmuch-address-message-insinuate ()
  (message "calling notmuch-address-message-insinuate is no longer needed"))

(defcustom notmuch-address-use-company t
  "If available, use company mode for address completion."
  :type 'boolean
  :group 'notmuch-send
  :group 'notmuch-address)

(defun notmuch-address-setup ()
  (let* ((setup-company (and notmuch-address-use-company
			     (require 'company nil t)))
	 (pair (cons notmuch-address-completion-headers-regexp
		     #'notmuch-address-expand-name)))
    (when setup-company
      (notmuch-company-setup))
    (unless (member pair message-completion-alist)
      (setq message-completion-alist
	    (push pair message-completion-alist)))))

(defun notmuch-address-toggle-internal-completion ()
  "Toggle use of internal completion for current buffer.

This overrides the global setting for address completion and
toggles the setting in this buffer."
  (interactive)
  (if (local-variable-p 'notmuch-address-command)
      (kill-local-variable 'notmuch-address-command)
    (setq-local notmuch-address-command 'internal))
  (when (boundp 'company-idle-delay)
    (if (local-variable-p 'company-idle-delay)
	(kill-local-variable 'company-idle-delay)
      (setq-local company-idle-delay nil))))

(defun notmuch-address-matching (substring)
  "Returns a list of completion candidates matching SUBSTRING.
The candidates are taken from `notmuch-address-completions'."
  (let ((candidates)
	(re (regexp-quote substring)))
    (maphash (lambda (key val)
	       (when (string-match re key)
		 (push key candidates)))
	     notmuch-address-completions)
    candidates))

(defun notmuch-address-options (original)
  "Return a list of completion candidates.
Use either elisp-based implementation or older implementation
requiring external commands."
  (cond
   ((eq notmuch-address-command 'internal)
    (unless (notmuch-address--harvest-ready)
      ;; First, run quick synchronous harvest based on what the user
      ;; entered so far.
      (notmuch-address-harvest original t))
    (prog1 (notmuch-address-matching original)
      ;; Then start the (potentially long-running) full asynchronous
      ;; harvest if necessary.
      (notmuch-address-harvest-trigger)))
   (t
    (process-lines notmuch-address-command original))))

(defun notmuch-address-expand-name ()
  (cond
   ((and (eq notmuch-address-command 'internal)
	 notmuch-address-use-company
	 (bound-and-true-p company-mode))
    (company-manual-begin))
   (notmuch-address-command
    (let* ((end (point))
	   (beg (save-excursion
		  (re-search-backward "\\(\\`\\|[\n:,]\\)[ \t]*")
		  (goto-char (match-end 0))
		  (point)))
	   (orig (buffer-substring-no-properties beg end))
	   (completion-ignore-case t)
	   (options (with-temp-message "Looking for completion candidates..."
		      (notmuch-address-options orig)))
	   (num-options (length options))
	   (chosen (cond
		    ((eq num-options 0)
		     nil)
		    ((eq num-options 1)
		     (car options))
		    (t
		     (funcall notmuch-address-selection-function
			      (format "Address (%s matches): " num-options)
			      ;; We put the first match as the initial
			      ;; input; we put all the matches as
			      ;; possible completions, moving the
			      ;; first match to the end of the list
			      ;; makes cursor up/down in the list work
			      ;; better.
			      (append (cdr options) (list (car options)))
			      (car options))))))
      (if chosen
	  (progn
	    (push chosen notmuch-address-history)
	    (delete-region beg end)
	    (insert chosen)
	    (run-hook-with-args 'notmuch-address-post-completion-functions
				chosen))
	(message "No matches.")
	(ding))))
   (t nil)))

;; Copied from `w3m-which-command'.
(defun notmuch-address-locate-command (command)
  "Return non-nil if `command' is an executable either on
`exec-path' or an absolute pathname."
  (and (stringp command)
       (if (and (file-name-absolute-p command)
		(file-executable-p command))
	   command
	 (setq command (file-name-nondirectory command))
	 (catch 'found-command
	   (let (bin)
	     (dolist (dir exec-path)
	       (setq bin (expand-file-name command dir))
	       (when (or (and (file-executable-p bin)
			      (not (file-directory-p bin)))
			 (and (file-executable-p (setq bin (concat bin ".exe")))
			      (not (file-directory-p bin))))
		 (throw 'found-command bin))))))))

(defun notmuch-address-harvest-addr (result)
  (let ((name-addr (plist-get result :name-addr)))
    (puthash name-addr t notmuch-address-completions)))

(defun notmuch-address-harvest-handle-result (obj)
  (notmuch-address-harvest-addr obj))

(defun notmuch-address-harvest-filter (proc string)
  (when (buffer-live-p (process-buffer proc))
    (with-current-buffer (process-buffer proc)
      (save-excursion
	(goto-char (point-max))
	(insert string))
      (notmuch-sexp-parse-partial-list
       'notmuch-address-harvest-handle-result (process-buffer proc)))))

(defvar notmuch-address-harvest-procs '(nil . nil)
  "The currently running harvests.

The car is a partial harvest, and the cdr is a full harvest.")

(defun notmuch-address-harvest (&optional addr-prefix synchronous callback)
  "Collect addresses completion candidates.

It queries the notmuch database for messages sent/received (as
configured with `notmuch-address-command') by the user, collects
destination/source addresses from those messages and stores them
in `notmuch-address-completions'.

If ADDR-PREFIX is not nil, only messages with to/from addresses
matching ADDR-PREFIX*' are queried.

Address harvesting may take some time so the address collection runs
asynchronously unless SYNCHRONOUS is t. In case of asynchronous
execution, CALLBACK is called when harvesting finishes."
  (let* ((sent (eq (car notmuch-address-internal-completion) 'sent))
	 (config-query (cadr notmuch-address-internal-completion))
	 (prefix-query (and addr-prefix
			    (format "%s:%s*"
				    (if sent "to" "from")
				    addr-prefix)))
	 (from-or-to-me-query
	  (mapconcat (lambda (x)
		       (concat (if sent "from:" "to:") x))
		     (notmuch-user-emails) " or "))
	 (query (if (or prefix-query config-query)
		    (concat (format "(%s)" from-or-to-me-query)
			    (and prefix-query
				 (format " and (%s)" prefix-query))
			    (and config-query
				 (format " and (%s)" config-query)))
		  from-or-to-me-query))
	 (args `("address" "--format=sexp" "--format-version=4"
		 ,(if sent "--output=recipients" "--output=sender")
		 "--deduplicate=address"
		 ,query)))
    (if synchronous
	(mapc #'notmuch-address-harvest-addr
	      (apply 'notmuch-call-notmuch-sexp args))
      ;; Asynchronous
      (let* ((current-proc (if addr-prefix
			       (car notmuch-address-harvest-procs)
			     (cdr notmuch-address-harvest-procs)))
	     (proc-name (format "notmuch-address-%s-harvest"
				(if addr-prefix "partial" "full")))
	     (proc-buf (concat " *" proc-name "*")))
	;; Kill any existing process
	(when current-proc
	  (kill-buffer (process-buffer current-proc))) ; this also kills the process
	(setq current-proc
	      (apply 'notmuch-start-notmuch proc-name proc-buf
		     callback				; process sentinel
		     args))
	(set-process-filter current-proc 'notmuch-address-harvest-filter)
	(set-process-query-on-exit-flag current-proc nil)
	(if addr-prefix
	    (setcar notmuch-address-harvest-procs current-proc)
	  (setcdr notmuch-address-harvest-procs current-proc)))))
  ;; return value
  nil)

(defvar notmuch-address--save-hash-version 1
  "Version format of the save hash.")

(defun notmuch-address--get-address-hash ()
  "Return the saved address hash as a plist.

Returns nil if the save file does not exist, or it does not seem
to be a saved address hash."
  (and notmuch-address-save-filename
       (condition-case nil
	   (with-temp-buffer
	     (insert-file-contents notmuch-address-save-filename)
	     (let ((name (read (current-buffer)))
		   (plist (read (current-buffer))))
	       ;; We do two simple sanity checks on the loaded file.
	       ;; We just check a version is specified, not that
	       ;; it is the current version, as we are allowed to
	       ;; over-write and a save-file with an older version.
	       (and (string= name "notmuch-address-hash")
		    (plist-get plist :version)
		    plist)))
	 ;; The error case catches any of the reads failing.
	 (error nil))))

(defun notmuch-address--load-address-hash ()
  "Read the saved address hash and set the corresponding variables."
  (let ((load-plist (notmuch-address--get-address-hash)))
    (when (and load-plist
	       ;; If the user's setting have changed, or the version
	       ;; has changed, return nil to make sure the new settings
	       ;; take effect.
	       (equal (plist-get load-plist :completion-settings)
		      notmuch-address-internal-completion)
	       (equal (plist-get load-plist :version)
		      notmuch-address--save-hash-version))
      (setq notmuch-address-last-harvest (plist-get load-plist :last-harvest))
      (setq notmuch-address-completions (plist-get load-plist :completions))
      (setq notmuch-address-full-harvest-finished t)
      ;; Return t to say load was successful.
      t)))

(defun notmuch-address--save-address-hash ()
  (when notmuch-address-save-filename
    (if (or (not (file-exists-p notmuch-address-save-filename))
	    ;; The file exists, check it is a file we saved
	    (notmuch-address--get-address-hash))
	(with-temp-file notmuch-address-save-filename
	  (let ((save-plist
		 (list :version notmuch-address--save-hash-version
		       :completion-settings notmuch-address-internal-completion
		       :last-harvest notmuch-address-last-harvest
		       :completions notmuch-address-completions)))
	    (print "notmuch-address-hash" (current-buffer))
	    (print save-plist (current-buffer))))
      (message "\
Warning: notmuch-address-save-filename %s exists but doesn't
appear to be an address savefile.  Not overwriting."
	       notmuch-address-save-filename))))

(defun notmuch-address-harvest-trigger ()
  (let ((now (float-time)))
    (when (> (- now notmuch-address-last-harvest) 86400)
      (setq notmuch-address-last-harvest now)
      (notmuch-address-harvest
       nil nil
       (lambda (proc event)
	 ;; If harvest fails, we want to try
	 ;; again when the trigger is next
	 ;; called
	 (if (string= event "finished\n")
	     (progn
	       (notmuch-address--save-address-hash)
	       (setq notmuch-address-full-harvest-finished t))
	   (setq notmuch-address-last-harvest 0)))))))

;;

(defun notmuch-address-from-minibuffer (prompt)
  (if (not notmuch-address-command)
      (read-string prompt)
    (let ((rmap (copy-keymap minibuffer-local-map))
	  (omap minibuffer-local-map))
      ;; Configure TAB to start completion when executing read-string.
      ;; "Original" minibuffer keymap is restored just before calling
      ;; notmuch-address-expand-name as it may also use minibuffer-local-map
      ;; (completing-read probably does not but if something else is used there).
      (define-key rmap (kbd "TAB") (lambda ()
				     (interactive)
				     (let ((enable-recursive-minibuffers t)
					   (minibuffer-local-map omap))
				       (notmuch-address-expand-name))))
      (let ((minibuffer-local-map rmap))
	(read-string prompt)))))

;;

(provide 'notmuch-address)

;;; notmuch-address.el ends here
debug log:

solving 2c51e89b ...
found 2c51e89b in /path/to/notmuch.git

unofficial mirror of notmuch@notmuchmail.org

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://yhetil.org/notmuch/0 notmuch/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 notmuch notmuch/ https://yhetil.org/notmuch \
		notmuch@notmuchmail.org
	public-inbox-index notmuch

Example config snippet for mirrors.
Newsgroups are available over NNTP:
	nntp://news.yhetil.org/yhetil.mail.notmuch.general
	nntp://news.gmane.io/gmane.mail.notmuch.general


AGPL code for this site: git clone http://ou63pmih66umazou.onion/public-inbox.git