From 9fff18585a75ad540aedc84b1147a4a327d1dbdf Mon Sep 17 00:00:00 2001
From: =?utf8?q?Fabi=C3=A1n=20Ezequiel=20Gallina?= <fgallina@cuca>
Date: Thu, 17 May 2012 00:03:15 -0300
Subject: [PATCH] Implemented python-nav-backward-sentence,
 python-nav-forward-sentence

Also small fixes to python-nav-sentence-start and
python-nav-sentence-end were added.
---
 lisp/progmodes/python.el | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index aa20c20fae6..b45b22c139c 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -189,6 +189,13 @@
 
 (defvar python-mode-map
   (let ((map (make-sparse-keymap)))
+    ;; Movement
+    (substitute-key-definition 'backward-sentence
+                               'python-nav-backward-sentence
+                               map global-map)
+    (substitute-key-definition 'forward-sentence
+                               'python-nav-forward-sentence
+                               map global-map)
     ;; Indent specific
     (define-key map "\177" 'python-indent-dedent-line-backspace)
     (define-key map (kbd "<backtab>") 'python-indent-dedent-line)
@@ -957,6 +964,7 @@ Returns nil if point is not in a def or class."
                      (save-excursion
                        (forward-line -1)
                        (python-info-line-ends-backslash-p))
+                     (python-info-ppss-context 'string)
                      (python-info-ppss-context 'paren))
                   (forward-line -1)))))
 
@@ -967,9 +975,35 @@ Returns nil if point is not in a def or class."
               (not (eobp))
               (when (or
                      (python-info-line-ends-backslash-p)
+                     (python-info-ppss-context 'string)
                      (python-info-ppss-context 'paren))
                   (forward-line 1)))))
 
+(defun python-nav-backward-sentence (&optional arg)
+  "Move backward to start of sentence.  With arg, do it arg times.
+See `python-nav-forward-sentence' for more information."
+  (interactive "^p")
+  (or arg (setq arg 1))
+  (python-nav-forward-sentence (- arg)))
+
+(defun python-nav-forward-sentence (&optional arg)
+  "Move forward to next end of sentence.  With argument, repeat.
+With negative argument, move backward repeatedly to start of sentence."
+  (interactive "^p")
+  (or arg (setq arg 1))
+  (while (> arg 0)
+    (forward-comment 9999)
+    (python-nav-sentence-end)
+    (forward-line 1)
+    (setq arg (1- arg)))
+  (while (< arg 0)
+    (python-nav-sentence-end)
+    (forward-comment -9999)
+    (python-nav-sentence-start)
+    (forward-line -1)
+    (setq arg (1+ arg))))
+
+
 
 ;;; Shell integration
 
-- 
2.39.5