Un-indent after "pass" and "return" statements

* lisp/progmodes/python.el (python-indent-block-enders): New var.
(python-indent-calculate-indentation): Use it.

* test/automated/python-tests.el
(python-indent-block-enders): New test.
(python-info-current-defun-2): Fix test.

Fixes: debbugs:13888

1 files changed, 13 insertions, 3 deletions

diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index c2739ce80a1..266d193cdda 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -628,6 +628,12 @@ It makes underscores and dots word constituent chars.")
 These make `python-indent-calculate-indentation' subtract the value of
 `python-indent-offset'.")
 
+(defvar python-indent-block-enders '("return" "pass")
+  "List of words that mark the end of a block.
+These make `python-indent-calculate-indentation' subtract the
+value of `python-indent-offset' when `python-indent-context' is
+AFTER-LINE.")
+
 (defun python-indent-guess-indent-offset ()
   "Guess and set `python-indent-offset' for the current buffer."
   (interactive)
@@ -753,9 +759,13 @@ START is the buffer position where the sexp starts."
             (save-excursion
               (goto-char context-start)
               (current-indentation))
-            (if (progn
-                  (back-to-indentation)
-                  (looking-at (regexp-opt python-indent-dedenters)))
+            (if (or (save-excursion
+                      (back-to-indentation)
+                      (looking-at (regexp-opt python-indent-dedenters)))
+                    (save-excursion
+                      (python-util-forward-comment -1)
+                      (python-nav-beginning-of-statement)
+                      (member (current-word) python-indent-block-enders)))
                 python-indent-offset
               0)))
           ;; When inside of a string, do nothing. just use the current