[PATCH v2 3/7] emacs: Factor out synchronous notmuch JSON invocations
Austin Clements
amdragon at MIT.EDU
Sat Dec 15 12:04:16 PST 2012
Previously this code was duplicated between show and reply. This
factors out synchronously invoking notmuch and parsing the output as
JSON.
---
emacs/notmuch-lib.el | 14 ++++++++++++++
emacs/notmuch-mua.el | 8 +-------
emacs/notmuch-query.el | 11 ++---------
3 files changed, 17 insertions(+), 16 deletions(-)
diff --git a/emacs/notmuch-lib.el b/emacs/notmuch-lib.el
index f757ce7..f534770 100644
--- a/emacs/notmuch-lib.el
+++ b/emacs/notmuch-lib.el
@@ -371,6 +371,20 @@ contents of ERR-FILE will be included in the error message."
;; Mimic `process-lines'
(error "%s exited with status %s" (car command) exit-status))))
+(defun notmuch-call-notmuch-json (&rest args)
+ "Invoke `notmuch-command' with `args' and return the parsed JSON output.
+
+The returned output will represent objects using property lists
+and arrays as lists."
+
+ (with-temp-buffer
+ (apply #'call-process notmuch-command nil (list t nil) nil args)
+ (goto-char (point-min))
+ (let ((json-object-type 'plist)
+ (json-array-type 'list)
+ (json-false 'nil))
+ (json-read))))
+
;; Compatibility functions for versions of emacs before emacs 23.
;;
;; Both functions here were copied from emacs 23 with the following copyright:
diff --git a/emacs/notmuch-mua.el b/emacs/notmuch-mua.el
index 408b49e..ac2d29e 100644
--- a/emacs/notmuch-mua.el
+++ b/emacs/notmuch-mua.el
@@ -158,13 +158,7 @@ list."
(setq args (append args (list query-string)))
;; Get the reply object as JSON, and parse it into an elisp object.
- (with-temp-buffer
- (apply 'call-process (append (list notmuch-command nil (list t nil) nil) args))
- (goto-char (point-min))
- (let ((json-object-type 'plist)
- (json-array-type 'list)
- (json-false 'nil))
- (setq reply (json-read))))
+ (setq reply (apply #'notmuch-call-notmuch-json args))
;; Extract the original message to simplify the following code.
(setq original (plist-get reply :original))
diff --git a/emacs/notmuch-query.el b/emacs/notmuch-query.el
index d66baea..e7e3520 100644
--- a/emacs/notmuch-query.el
+++ b/emacs/notmuch-query.el
@@ -29,18 +29,11 @@ A thread is a forest or list of trees. A tree is a two element
list where the first element is a message, and the second element
is a possibly empty forest of replies.
"
- (let ((args '("show" "--format=json"))
- (json-object-type 'plist)
- (json-array-type 'list)
- (json-false 'nil))
+ (let ((args '("show" "--format=json")))
(if notmuch-show-process-crypto
(setq args (append args '("--decrypt"))))
(setq args (append args search-terms))
- (with-temp-buffer
- (progn
- (apply 'call-process (append (list notmuch-command nil (list t nil) nil) args))
- (goto-char (point-min))
- (json-read)))))
+ (apply #'notmuch-call-notmuch-json args)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Mapping functions across collections of messages.
--
1.7.10.4
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