;;; gnus-agent.el --- unplugged support for Gnus
-;; Copyright (C) 1997,98 Free Software Foundation, Inc.
+;; Copyright (C) 1997,98,99 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; This file is part of GNU Emacs.
(require 'gnus-cache)
(require 'nnvirtual)
(require 'gnus-sum)
-(eval-when-compile (require 'cl))
+(eval-when-compile
+ (require 'cl)
+ (require 'gnus-score))
(defcustom gnus-agent-directory (nnheader-concat gnus-directory "agent/")
"Where the Gnus agent will store its files."
;;; Internal variables
-(defvar gnus-agent-meta-information-header "X-Gnus-Agent-Meta-Information")
-
(defvar gnus-agent-history-buffers nil)
(defvar gnus-agent-buffer-alist nil)
(defvar gnus-agent-article-alist nil)
(defvar gnus-agent-spam-hashtb nil)
(defvar gnus-agent-file-name nil)
(defvar gnus-agent-send-mail-function nil)
-(defvar gnus-agent-article-file-coding-system 'no-conversion)
+(defvar gnus-agent-file-coding-system 'binary)
+
+(defconst gnus-agent-scoreable-headers
+ '("subject" "from" "date" "message-id" "references" "chars" "lines" "xref")
+ "Headers that are considered when scoring articles for download via the Agent.")
;; Dynamic variables
(defvar gnus-headers)
(gnus-category-read)
(setq gnus-agent-overview-buffer
(gnus-get-buffer-create " *Gnus agent overview*"))
+ (with-current-buffer gnus-agent-overview-buffer
+ (mm-enable-multibyte))
(add-hook 'gnus-group-mode-hook 'gnus-agent-mode)
(add-hook 'gnus-summary-mode-hook 'gnus-agent-mode)
(add-hook 'gnus-server-mode-hook 'gnus-agent-mode))
(defun gnus-agent-read-file (file)
"Load FILE and do a `read' there."
- (nnheader-temp-write nil
+ (with-temp-buffer
(ignore-errors
- (insert-file-contents file)
+ (nnheader-insert-file-contents file)
(goto-char (point-min))
(read (current-buffer)))))
"Jj" gnus-agent-toggle-plugged
"Js" gnus-agent-fetch-session
"JS" gnus-group-send-drafts
- "Ja" gnus-agent-add-group)
+ "Ja" gnus-agent-add-group
+ "Jr" gnus-agent-remove-group)
(defun gnus-agent-group-make-menu-bar ()
(unless (boundp 'gnus-agent-group-menu)
(interactive)
(gnus-open-agent)
(add-hook 'gnus-setup-news-hook 'gnus-agent-queue-setup)
- (unless gnus-agent-send-mail-function
+ (unless gnus-agent-send-mail-function
(setq gnus-agent-send-mail-function message-send-mail-function
message-send-mail-function 'gnus-agent-send-mail))
(unless gnus-agent-covered-methods
(concat "^" (regexp-quote mail-header-separator) "\n"))
(replace-match "\n")
(gnus-agent-insert-meta-information 'mail)
- (gnus-request-accept-article "nndraft:queue")))
+ (gnus-request-accept-article "nndraft:queue" nil t t)))
(defun gnus-agent-insert-meta-information (type &optional method)
"Insert meta-information into the message that says how it's to be posted.
(defun gnus-agent-fetch-groups (n)
"Put all new articles in the current groups into the Agent."
(interactive "P")
+ (unless gnus-plugged
+ (error "Groups can't be fetched when Gnus is unplugged"))
(gnus-group-iterate n 'gnus-agent-fetch-group))
(defun gnus-agent-fetch-group (group)
"Put all new articles in GROUP into the Agent."
(interactive (list (gnus-group-group-name)))
+ (unless gnus-plugged
+ (error "Groups can't be fetched when Gnus is unplugged"))
(unless group
(error "No group on the current line"))
(let ((gnus-command-method (gnus-find-method-for-group group)))
(setf (cadddr cat) (nconc (cadddr cat) groups))
(gnus-category-write)))
+(defun gnus-agent-remove-group (arg)
+ "Remove the current group from its agent category, if any."
+ (interactive "P")
+ (let (c)
+ (gnus-group-iterate arg
+ (lambda (group)
+ (when (cadddr (setq c (gnus-group-category group)))
+ (setf (cadddr c) (delete group (cadddr c))))))
+ (gnus-category-write)))
+
;;;
;;; Server mode commands
;;;
(defun gnus-agent-write-servers ()
"Write the alist of covered servers."
- (nnheader-temp-write (nnheader-concat gnus-agent-directory "lib/servers")
+ (gnus-make-directory (nnheader-concat gnus-agent-directory "lib"))
+ (with-temp-file (nnheader-concat gnus-agent-directory "lib/servers")
(prin1 gnus-agent-covered-methods (current-buffer))))
;;;
(when (and (not gnus-plugged)
(gnus-agent-method-p gnus-command-method))
(gnus-agent-load-alist gnus-newsgroup-name)
- (let ((articles gnus-newsgroup-unreads)
+ ;; First mark all undownloaded articles as undownloaded.
+ (let ((articles (append gnus-newsgroup-unreads
+ gnus-newsgroup-marked
+ gnus-newsgroup-dormant))
article)
(while (setq article (pop articles))
(unless (or (cdr (assq article gnus-agent-article-alist))
- (memq article gnus-newsgroup-downloadable))
- (push article gnus-newsgroup-undownloaded)))))))
+ (memq article gnus-newsgroup-downloadable))
+ (push article gnus-newsgroup-undownloaded))))
+ ;; Then mark downloaded downloadable as not-downloadable,
+ ;; if you get my drift.
+ (let ((articles gnus-newsgroup-downloadable)
+ article)
+ (while (setq article (pop articles))
+ (when (cdr (assq article gnus-agent-article-alist))
+ (setq gnus-newsgroup-downloadable
+ (delq article gnus-newsgroup-downloadable))))))))
(defun gnus-agent-catchup ()
"Mark all undownloaded articles as read."
(let* ((gnus-command-method method)
(file (gnus-agent-lib-file "active")))
(gnus-make-directory (file-name-directory file))
- (let ((coding-system-for-write gnus-agent-article-file-coding-system))
+ (let ((coding-system-for-write gnus-agent-file-coding-system))
(write-region (point-min) (point-max) file nil 'silent))
(when (file-exists-p (gnus-agent-lib-file "groups"))
(delete-file (gnus-agent-lib-file "groups"))))))
(let* ((gnus-command-method method)
(file (gnus-agent-lib-file "groups")))
(gnus-make-directory (file-name-directory file))
- (write-region (point-min) (point-max) file nil 'silent))
+ (let ((coding-system-for-write gnus-agent-file-coding-system))
+ (write-region (point-min) (point-max) file nil 'silent))
(when (file-exists-p (gnus-agent-lib-file "active"))
- (delete-file (gnus-agent-lib-file "active"))))
+ (delete-file (gnus-agent-lib-file "active")))))
(defun gnus-agent-save-group-info (method group active)
(when (gnus-agent-method-p method)
(gnus-agent-lib-file "active")
(gnus-agent-lib-file "groups"))))
(gnus-make-directory (file-name-directory file))
- (nnheader-temp-write file
+ (with-temp-file file
(when (file-exists-p file)
- (insert-file-contents file))
+ (nnheader-insert-file-contents file))
(goto-char (point-min))
(if nntp-server-list-active-group
(progn
(concat "^" (regexp-quote group) " ") nil t)
(gnus-delete-line))
(insert group " " (number-to-string (cdr active)) " "
- (number-to-string (car active)) "\n"))
- (when (re-search-forward (concat (regexp-quote group) " ") nil t)
+ (number-to-string (car active)) " y\n"))
+ (when (re-search-forward
+ (concat (regexp-quote group) "\\($\\| \\)") nil t)
(gnus-delete-line))
(insert-buffer-substring nntp-server-buffer))))))
(save-excursion
(set-buffer gnus-agent-current-history)
(gnus-make-directory (file-name-directory gnus-agent-file-name))
- (write-region (1+ (point-min)) (point-max)
- gnus-agent-file-name nil 'silent)))
+ (let ((coding-system-for-write gnus-agent-file-coding-system))
+ (write-region (1+ (point-min)) (point-max)
+ gnus-agent-file-name nil 'silent))))
(defun gnus-agent-close-history ()
(when (gnus-buffer-live-p gnus-agent-current-history)
(let ((dir (concat
(gnus-agent-directory)
(gnus-agent-group-path group) "/"))
- (date (gnus-time-to-day (current-time)))
+ (date (time-to-days (current-time)))
(case-fold-search t)
- pos alists crosses id elem)
+ pos crosses id elem)
(gnus-make-directory dir)
(gnus-message 7 "Fetching articles for %s..." group)
;; Fetch the articles from the backend.
(if (gnus-check-backend-function 'retrieve-articles group)
(setq pos (gnus-retrieve-articles articles group))
- (nnheader-temp-write nil
- (let ((buf (current-buffer))
- article)
+ (with-temp-buffer
+ (let (article)
(while (setq article (pop articles))
(when (gnus-request-article article group)
(goto-char (point-max))
(setq id "No-Message-ID-in-article")
(setq id (buffer-substring (match-beginning 1) (match-end 1))))
(let ((coding-system-for-write
- gnus-agent-article-file-coding-system))
+ gnus-agent-file-coding-system))
(write-region (point-min) (point-max)
(concat dir (number-to-string (caar pos)))
nil 'silent))
(when (= (point-max) (point-min))
(push (cons group (current-buffer)) gnus-agent-buffer-alist)
(ignore-errors
- (insert-file-contents
+ (nnheader-insert-file-contents
(gnus-agent-article-name ".overview" group))))
(nnheader-find-nov-line (string-to-number (cdar crosses)))
(insert (string-to-number (cdar crosses)))
(save-excursion
(while gnus-agent-buffer-alist
(set-buffer (cdar gnus-agent-buffer-alist))
- (write-region (point-min) (point-max)
- (gnus-agent-article-name ".overview"
- (caar gnus-agent-buffer-alist))
- nil 'silent)
+ (let ((coding-system-for-write
+ gnus-agent-file-coding-system))
+ (write-region (point-min) (point-max)
+ (gnus-agent-article-name ".overview"
+ (caar gnus-agent-buffer-alist))
+ nil 'silent))
(pop gnus-agent-buffer-alist))
(while gnus-agent-group-alist
- (nnheader-temp-write (caar gnus-agent-group-alist)
+ (with-temp-file (caar gnus-agent-group-alist)
(princ (cdar gnus-agent-group-alist))
(insert "\n"))
(pop gnus-agent-group-alist))))
-(defun gnus-agent-fetch-headers (group articles &optional force)
- (gnus-agent-load-alist group)
- ;; Find out what headers we need to retrieve.
- (when articles
- (while (and articles
- (assq (car articles) gnus-agent-article-alist))
- (pop articles))
- (let ((arts articles))
- (while (cdr arts)
- (if (assq (cadr arts) gnus-agent-article-alist)
- (setcdr arts (cddr arts))
- (setq arts (cdr arts)))))
+(defun gnus-agent-fetch-headers (group &optional force)
+ (let ((articles (gnus-list-of-unread-articles group))
+ (gnus-decode-encoded-word-function 'identity)
+ (file (gnus-agent-article-name ".overview" group)))
+ ;; add article with marks to list of article headers we want to fetch
+ (dolist (arts (gnus-info-marks (gnus-get-info group)))
+ (setq articles (union (gnus-uncompress-sequence (cdr arts))
+ articles)))
+ (setq articles (sort articles '<))
+ ;; remove known articles
+ (when (gnus-agent-load-alist group)
+ (setq articles (gnus-sorted-intersection
+ articles
+ (gnus-uncompress-range
+ (cons (1+ (caar (last gnus-agent-article-alist)))
+ (cdr (gnus-active group)))))))
;; Fetch them.
+ (gnus-make-directory (nnheader-translate-file-chars
+ (file-name-directory file)))
(when articles
(gnus-message 7 "Fetching headers for %s..." group)
(save-excursion
- (set-buffer nntp-server-buffer)
- (unless (eq 'nov (gnus-retrieve-headers articles group))
- (nnvirtual-convert-headers))
- ;; Save these headers for later processing.
- (copy-to-buffer gnus-agent-overview-buffer (point-min) (point-max))
- (let (file)
- (when (file-exists-p
- (setq file (gnus-agent-article-name ".overview" group)))
- (gnus-agent-braid-nov group articles file))
- (gnus-make-directory (nnheader-translate-file-chars
- (file-name-directory file)))
- (write-region (point-min) (point-max) file nil 'silent)
- (gnus-agent-save-alist group articles nil)
- (gnus-agent-enter-history "last-header-fetched-for-session"
- (list (cons group (nth (- (length articles) 1) articles)))
- (gnus-time-to-day (current-time)))
- t)))))
+ (set-buffer nntp-server-buffer)
+ (unless (eq 'nov (gnus-retrieve-headers articles group))
+ (nnvirtual-convert-headers))
+ ;; Save these headers for later processing.
+ (copy-to-buffer gnus-agent-overview-buffer (point-min) (point-max))
+ (when (file-exists-p file)
+ (gnus-agent-braid-nov group articles file))
+ (let ((coding-system-for-write
+ gnus-agent-file-coding-system))
+ (write-region (point-min) (point-max) file nil 'silent))
+ (gnus-agent-save-alist group articles nil)
+ (gnus-agent-enter-history
+ "last-header-fetched-for-session"
+ (list (cons group (nth (- (length articles) 1) articles)))
+ (time-to-days (current-time)))
+ articles))))
(defsubst gnus-agent-copy-nov-line (article)
(let (b e)
(goto-char (point-min))
(set-buffer nntp-server-buffer)
(erase-buffer)
- (insert-file-contents file)
+ (nnheader-insert-file-contents file)
(goto-char (point-max))
(if (or (= (point-min) (point-max))
(progn
(gnus-agent-article-name ".agentview" group)))))
(defun gnus-agent-save-alist (group &optional articles state dir)
- "Load the article-state alist for GROUP."
- (nnheader-temp-write (if dir
- (concat dir ".agentview")
- (gnus-agent-article-name ".agentview" group))
+ "Save the article-state alist for GROUP."
+ (with-temp-file (if dir
+ (concat dir ".agentview")
+ (gnus-agent-article-name ".agentview" group))
(princ (setq gnus-agent-article-alist
(nconc gnus-agent-article-alist
(mapcar (lambda (article) (cons article state))
(defun gnus-agent-fetch-group-1 (group method)
"Fetch GROUP."
(let ((gnus-command-method method)
+ (gnus-newsgroup-name group)
gnus-newsgroup-dependencies gnus-newsgroup-headers
gnus-newsgroup-scored gnus-headers gnus-score
- gnus-use-cache articles score arts
+ gnus-use-cache articles arts
category predicate info marks score-param)
;; Fetch headers.
(when (and (or (gnus-active group) (gnus-activate-group group))
- (setq articles (gnus-list-of-unread-articles group))
- (gnus-agent-fetch-headers group articles))
+ (setq articles (gnus-agent-fetch-headers group)))
;; Parse them and see which articles we want to fetch.
(setq gnus-newsgroup-dependencies
(make-vector (length articles) 0))
- (setq gnus-newsgroup-headers
- (gnus-get-newsgroup-headers-xover articles nil nil group))
+ ;; No need to call `gnus-get-newsgroup-headers-xover' with
+ ;; the entire .overview for group as we still have the just
+ ;; downloaded headers in `gnus-agent-overview-buffer'.
+ (let ((nntp-server-buffer gnus-agent-overview-buffer))
+ (setq gnus-newsgroup-headers
+ (gnus-get-newsgroup-headers-xover articles nil nil group)))
(setq category (gnus-group-category group))
(setq predicate
- (gnus-get-predicate
- (or (gnus-group-get-parameter group 'agent-predicate)
+ (gnus-get-predicate
+ (or (gnus-group-get-parameter group 'agent-predicate t)
(cadr category))))
- (setq score-param
- (or (gnus-group-get-parameter group 'agent-score)
- (caddr category)))
- (when score-param
- (gnus-score-headers (list (list score-param))))
- (setq arts nil)
- (while (setq gnus-headers (pop gnus-newsgroup-headers))
- (setq gnus-score
- (or (cdr (assq (mail-header-number gnus-headers)
- gnus-newsgroup-scored))
- gnus-summary-default-score))
- (when (funcall predicate)
- (push (mail-header-number gnus-headers)
- arts)))
+ ;; Do we want to download everything, or nothing?
+ (if (or (eq (caaddr predicate) 'gnus-agent-true)
+ (eq (caaddr predicate) 'gnus-agent-false))
+ ;; Yes.
+ (setq arts (symbol-value
+ (cadr (assoc (caaddr predicate)
+ '((gnus-agent-true articles)
+ (gnus-agent-false nil))))))
+ ;; No, we need to decide what we want.
+ (setq score-param
+ (let ((score-method
+ (or
+ (gnus-group-get-parameter group 'agent-score t)
+ (caddr category))))
+ (when score-method
+ (require 'gnus-score)
+ (if (eq score-method 'file)
+ (let ((entries
+ (gnus-score-load-files
+ (gnus-all-score-files group)))
+ list score-file)
+ (while (setq list (car entries))
+ (push (car list) score-file)
+ (setq list (cdr list))
+ (while list
+ (when (member (caar list)
+ gnus-agent-scoreable-headers)
+ (push (car list) score-file))
+ (setq list (cdr list)))
+ (setq score-param
+ (append score-param (list (nreverse score-file)))
+ score-file nil entries (cdr entries)))
+ (list score-param))
+ (if (stringp (car score-method))
+ score-method
+ (list (list score-method)))))))
+ (when score-param
+ (gnus-score-headers score-param))
+ (setq arts nil)
+ (while (setq gnus-headers (pop gnus-newsgroup-headers))
+ (setq gnus-score
+ (or (cdr (assq (mail-header-number gnus-headers)
+ gnus-newsgroup-scored))
+ gnus-summary-default-score))
+ (when (funcall predicate)
+ (push (mail-header-number gnus-headers)
+ arts))))
;; Fetch the articles.
(when arts
(gnus-agent-fetch-articles group arts)))
(gnus-agent-fetch-articles
group (gnus-uncompress-range (cdr arts)))
(setq marks (delq arts (gnus-info-marks info)))
- (gnus-info-set-marks info marks))))
+ (gnus-info-set-marks info marks)
+ (gnus-dribble-enter
+ (concat "(gnus-group-set-info '"
+ (gnus-prin1-to-string info)
+ ")")))))
;;;
;;; Agent Category Mode
(defvar gnus-category-buffer "*Agent Category*")
(defvar gnus-category-line-format-alist
- `((?c name ?s)
- (?g groups ?d)))
+ `((?c gnus-tmp-name ?s)
+ (?g gnus-tmp-groups ?d)))
(defvar gnus-category-mode-line-format-alist
`((?u user-defined ?s)))
(gnus-set-default-directory)
(setq mode-line-process nil)
(use-local-map gnus-category-mode-map)
- (buffer-disable-undo (current-buffer))
+ (buffer-disable-undo)
(setq truncate-lines t)
(setq buffer-read-only t)
(gnus-run-hooks 'gnus-category-mode-hook))
(defalias 'gnus-category-position-point 'gnus-goto-colon)
(defun gnus-category-insert-line (category)
- (let* ((name (car category))
- (groups (length (cadddr category))))
+ (let* ((gnus-tmp-name (car category))
+ (gnus-tmp-groups (length (cadddr category))))
(beginning-of-line)
(gnus-add-text-properties
(point)
(prog1 (1+ (point))
;; Insert the text.
(eval gnus-category-line-format-spec))
- (list 'gnus-category name))))
+ (list 'gnus-category gnus-tmp-name))))
(defun gnus-enter-category-buffer ()
"Go to the Category buffer."
(or (gnus-agent-read-file
(nnheader-concat gnus-agent-directory "lib/categories"))
(list (list 'default 'short nil nil)))))
-
+
(defun gnus-category-write ()
"Write the category alist."
(setq gnus-category-predicate-cache nil
gnus-category-group-cache nil)
- (nnheader-temp-write (nnheader-concat gnus-agent-directory "lib/categories")
+ (gnus-make-directory (nnheader-concat gnus-agent-directory "lib"))
+ (with-temp-file (nnheader-concat gnus-agent-directory "lib/categories")
(prin1 gnus-category-alist (current-buffer))))
(defun gnus-category-edit-predicate (category)
(setf (cadr (assq ',category gnus-category-alist)) predicate)
(gnus-category-write)
(gnus-category-list)))))
-
+
(defun gnus-category-edit-score (category)
"Edit the score expression for CATEGORY."
(interactive (list (gnus-category-name)))
(interactive "SCategory name: ")
(when (assq category gnus-category-alist)
(error "Category %s already exists" category))
- (push (list category 'true nil nil)
+ (push (list category 'false nil nil)
gnus-category-alist)
(gnus-category-write)
(gnus-category-list))
(defun gnus-agent-false ()
"Return nil."
nil)
-
+
(defun gnus-category-make-function-1 (cat)
"Make a function from category CAT."
(cond
"Expire all old articles."
(interactive)
(let ((methods gnus-agent-covered-methods)
- (day (- (gnus-time-to-day (current-time)) gnus-agent-expire-days))
+ (day (- (time-to-days (current-time)) gnus-agent-expire-days))
gnus-command-method sym group articles
history overview file histories elem art nov-file low info
unreads marked article)
(set-buffer overview)
(erase-buffer)
(when (file-exists-p nov-file)
- (insert-file-contents nov-file))
+ (nnheader-insert-file-contents nov-file))
(goto-char (point-min))
(setq article 0)
(while (setq elem (pop articles))
;; Schedule the history line for nuking.
(push (cdr elem) histories)))
(gnus-make-directory (file-name-directory nov-file))
- (write-region (point-min) (point-max) nov-file nil 'silent)
+ (let ((coding-system-for-write
+ gnus-agent-file-coding-system))
+ (write-region (point-min) (point-max) nov-file nil 'silent))
;; Delete the unwanted entries in the alist.
(setq gnus-agent-article-alist
(sort gnus-agent-article-alist 'car-less-than-car))
(let* ((alist gnus-agent-article-alist)
(prev (cons nil alist))
- (first prev))
+ (first prev)
+ expired)
(while (and alist
(<= (caar alist) article))
(if (or (not (cdar alist))
(number-to-string
(caar alist))
group))))
- (setcdr prev (setq alist (cdr alist)))
+ (progn
+ (push (caar alist) expired)
+ (setcdr prev (setq alist (cdr alist))))
(setq prev alist
alist (cdr alist))))
(setq gnus-agent-article-alist (cdr first))
- ;;; Mark all articles up to the first article
- ;;; in `gnus-article-alist' as read.
- (when (caar gnus-agent-article-alist)
+ (gnus-agent-save-alist group)
+ ;; Mark all articles up to the first article
+ ;; in `gnus-article-alist' as read.
+ (when (and info (caar gnus-agent-article-alist))
(setcar (nthcdr 2 info)
(gnus-range-add
(nth 2 info)
(cons 1 (- (caar gnus-agent-article-alist) 1)))))
+ ;; Maybe everything has been expired from `gnus-article-alist'
+ ;; and so the above marking as read could not be conducted,
+ ;; or there are expired article within the range of the alist.
+ (when (and info
+ expired
+ (or (not (caar gnus-agent-article-alist))
+ (> (car expired)
+ (caar gnus-agent-article-alist))))
+ (setcar (nthcdr 2 info)
+ (gnus-add-to-range
+ (nth 2 info)
+ (nreverse expired))))
(gnus-dribble-enter
(concat "(gnus-group-set-info '"
(gnus-prin1-to-string info)
- ")"))
- (gnus-agent-save-alist group)))
+ ")"))))
expiry-hashtb)
(set-buffer history)
(setq histories (nreverse (sort histories '<)))
projects / gnus / blobdiff