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bug#17192: 24.4.50; python-mode's python-electric-pair-string-delimiter


From: João Távora
Subject: bug#17192: 24.4.50; python-mode's python-electric-pair-string-delimiter inserts an extra quote
Date: Sat, 05 Apr 2014 13:22:06 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux)

Hi maintainers,

    emacs -Q
    M-x electric-pair-mode RET
    M-x python-mode RET
    M-x erase-buffer RET !
    Press double quotes (") twice

Buffer contents are 7 double quotes instead of 6, with point correctly
at 4.

This is fixed by the patch attached.
João

Using changes with id "2".
Message: python-triple-quote-fixes
 M  lisp/ChangeLog
 M  lisp/progmodes/python.el
 M  test/ChangeLog
 M  test/automated/python-tests.el
=== modified file 'lisp/ChangeLog'
--- a/lisp/ChangeLog    2014-04-05 11:15:07 +0000
+++ b/lisp/ChangeLog    2014-04-05 12:15:08 +0000
@@ -1,3 +1,8 @@
+2014-04-05  João Távora  <address@hidden>
+
+       * progmodes/python.el (python-electric-pair-string-delimiter): Fix
+       triple-quoting electricity.
+
 2014-04-04  João Távora  <address@hidden>
 
        * elec-pair.el:

=== modified file 'lisp/progmodes/python.el'
--- a/lisp/progmodes/python.el  2014-04-05 11:15:07 +0000
+++ b/lisp/progmodes/python.el  2014-04-05 12:15:08 +0000
@@ -3651,8 +3651,9 @@
              (let ((count 0))
                (while (eq (char-before (- (point) count)) last-command-event)
                  (cl-incf count))
-               (= count 3)))
-    (save-excursion (insert (make-string 3 last-command-event)))))
+               (= count 3))
+             (eq (char-after) last-command-event))
+    (save-excursion (insert (make-string 2 last-command-event)))))
 
 (defvar electric-indent-inhibit)
 

=== modified file 'test/ChangeLog'
--- a/test/ChangeLog    2014-04-05 11:15:07 +0000
+++ b/test/ChangeLog    2014-04-05 12:15:08 +0000
@@ -1,3 +1,8 @@
+2014-04-05  João Távora  <address@hidden>
+
+       * automated/python-tests.el (python-triple-quote-pairing): New test.
+       (python-syntax-after-python-backspace): New test.
+
 2014-04-04  João Távora  <address@hidden>
 
        * automated/electric-tests.el (define-electric-pair-test): Don't

=== modified file 'test/automated/python-tests.el'
--- a/test/automated/python-tests.el    2014-04-05 11:15:07 +0000
+++ b/test/automated/python-tests.el    2014-04-05 12:15:08 +0000
@@ -134,6 +134,16 @@

 ;;; Font-lock and syntax
 
+(ert-deftest python-syntax-after-python-backspace ()
+  ;; `python-indent-dedent-line-backspace' garbles syntax
+  :expected-result :failed
+  (python-tests-with-temp-buffer
+      "\"\"\""
+    (goto-char (point-max))
+    (python-indent-dedent-line-backspace 1)
+    (should (string= (buffer-string) "\"\""))
+    (should (null (nth 3 (syntax-ppss))))))
+

 ;;; Indentation
 
@@ -2696,6 +2706,9 @@
         (equal (symbol-value (car ccons)) (cdr ccons)))))
     (kill-buffer buffer)))
 
+
+;;; Electricity
+
 (ert-deftest python-util-forward-comment-1 ()
   (python-tests-with-temp-buffer
    (concat
@@ -2708,6 +2721,32 @@
    (python-util-forward-comment -1)
    (should (= (point) (point-min)))))
 
+(ert-deftest python-triple-quote-pairing ()
+  (python-tests-with-temp-buffer
+      "\"\"\n"
+    (goto-char (1- (point-max)))
+    (let ((last-command-event ?\"))
+      (call-interactively 'self-insert-command))
+    (should (string= (buffer-string)
+                     "\"\"\"\"\"\"\n"))
+    (should (= (point) 4)))
+  (python-tests-with-temp-buffer
+      "\n"
+    (let ((last-command-event ?\"))
+      (dotimes (i 3)
+        (call-interactively 'self-insert-command)))
+    (should (string= (buffer-string)
+                     "\"\"\"\"\"\"\n"))
+    (should (= (point) 4)))
+  (python-tests-with-temp-buffer
+      "\"\n\"\"\n"
+    (goto-char (1- (point-max)))
+    (let ((last-command-event ?\"))
+      (call-interactively 'self-insert-command))
+    (should (= (point) (1- (point-max))))
+    (should (string= (buffer-string)
+                     "\"\n\"\"\"\n"))))
+
 
 (provide 'python-tests)
 






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