From badf822ea07c7c551aeeef3cde4660a1251e1584 Mon Sep 17 00:00:00 2001
From: Stefan Israelsson Tampe <stefan.itampe@gmail.com>
Date: Fri, 17 Aug 2018 23:33:37 +0200
Subject: optparse --help bugfix

---
 modules/language/python/format2.scm        | 52 +++++++++++++++++++++---------
 modules/language/python/module/optparse.py |  4 +++
 2 files changed, 40 insertions(+), 16 deletions(-)

(limited to 'modules')

diff --git a/modules/language/python/format2.scm b/modules/language/python/format2.scm
index 4a9af31..22cb318 100644
--- a/modules/language/python/format2.scm
+++ b/modules/language/python/format2.scm
@@ -7,6 +7,7 @@
   #:use-module (language python exceptions)
   #:use-module (language python number)
   #:use-module (language python dict)
+  #:use-module (language python list)
   #:export (format fnm))
 
 (define-syntax-rule (aif it p x y) (let ((it p)) (if it x y)))
@@ -36,11 +37,11 @@
 
 (define (get-n p)
   (match p
-    ((#:% #t _ `* `* . _)
+    ((#:% #f _ #:* #:* . _)
      2)
-    ((#:% #t _ `* _ . _)
+    ((#:% #f _ #:* _ . _)
      1)
-    ((#:% #t _ _ `* . _)
+    ((#:% #f _ _ #:* . _)
      1)
     (_
      0)))
@@ -65,14 +66,21 @@
 	     x)))
       
       ("s"  (lambda (x)
-              (if (is-a? x <p>)
-                  (aif it (ref x '__str__)
-                       (scm-format #f "~a" (it))
-                       (scm-format #f "~a" x))
-                  (scm-format #f "~a" x))))
+              (let ((s (if (is-a? x <p>)
+                           (aif it (ref x '__str__)
+                                (scm-format #f "~a" (it))
+                                (scm-format #f "~a" x))
+                           (scm-format #f "~a" x))))
+                (+ s (* " " (max 0 (- min (len s))))))))
+      
+      ("a"  (lambda (x)
+              (let ((s (scm-format #f "~a" x)))
+                (+ s (* " " (max 0 (- min (len s))))))))
+      
+      ("r"  (lambda (x)
+              (let ((s (scm-format #f "~a" x)))
+                (+ s (* " " (max 0 (- min (len s))))))))
       
-      ("a"  (lambda (x) (scm-format #f "~a" x)))
-      ("r"  (lambda (x) (scm-format #f "~a" x)))
       ("%"
        (lambda (x) (* "%" (if min min 1))))
       ((or "f" "F" "e" "E" "g" "G")
@@ -200,15 +208,27 @@
  
 (define (analyze p)
   (match p
-    ((#:% #f c `* `* _ tp)
-     (lambda (x min prec)
+    ((#:% #f c #:* #:* _ tp)
+     (lambda (min prec x)
        ((create c min prec tp) x)))
-    ((#:% #f c `* prec _ tp)
-     (lambda (x min)
+    ((#:% #f c #:* prec _ tp)
+     (lambda (min x)
        ((create c min prec tp) x)))
-    ((#:% #f c min `* _ tp)
-     (lambda (x prec)
+    ((#:% #f c #:* prec _ tp)
+     (lambda (min x)
        ((create c min prec tp) x)))
+    ((#:% #f c min #:* _ tp)
+     (lambda (prec x)
+       ((create c min prec tp) x)))
+    
+    ((#:% #f (and c (or "s" "r" "a")) min prec _ tp)
+     (create c 0 prec tp))
+    
+    ((#:% tag (and c (or "s" "r" "a")) min prec _ tp)
+     (let ((f (create c 0 prec tp)))
+       (lambda (x)       
+	 (f (pylist-ref x tag)))))
+    
     ((#:% #f c min prec _ tp)
      (create c min prec tp))
     ((#:% tag c min prec _ tp)
diff --git a/modules/language/python/module/optparse.py b/modules/language/python/module/optparse.py
index 043ea9a..657c97d 100644
--- a/modules/language/python/module/optparse.py
+++ b/modules/language/python/module/optparse.py
@@ -380,9 +380,11 @@ class IndentedHelpFormatter (HelpFormatter):
             self, indent_increment, max_help_position, width, short_first)
 
     def format_usage(self, usage):
+        pk('IndentedHelpFormatter usage')
         return _("Usage: %s\n") % usage
 
     def format_heading(self, heading):
+        pk('IndentedHelpFormatter heading')
         return "%*s%s:\n" % (self.current_indent, "", heading)
 
 
@@ -399,9 +401,11 @@ class TitledHelpFormatter (HelpFormatter):
             self, indent_increment, max_help_position, width, short_first)
 
     def format_usage(self, usage):
+        pk('TitledHelpFormatter heading')
         return "%s  %s\n" % (self.format_heading(_("Usage")), usage)
 
     def format_heading(self, heading):
+        pk('TitledHelpFormatter heading')
         return "%s\n%s\n" % (heading, "=-"[self.level] * len(heading))
 
 
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