From 9b0705d2e06508af198cd4c1ad9504073918611b Mon Sep 17 00:00:00 2001
From: ianb <devnull@localhost>
Date: Mon, 21 Aug 2006 20:39:44 +0000
Subject: Fixed problem with exception formatter word wrapping routine

---
 paste/exceptions/formatter.py | 33 ++++++++++++++++++++++++---------
 1 file changed, 24 insertions(+), 9 deletions(-)

(limited to 'paste/exceptions')

diff --git a/paste/exceptions/formatter.py b/paste/exceptions/formatter.py
index 088c84f..4aa876b 100644
--- a/paste/exceptions/formatter.py
+++ b/paste/exceptions/formatter.py
@@ -312,7 +312,7 @@ class HTMLFormatter(TextFormatter):
                 % (odd and 'odd' or 'even', self.quote(name)))
             table.append(
                 '<td><tt>%s</tt></td></tr>'
-                % make_wrappable(self.quote(value)))
+                % make_wrappable(self.quote(truncate(value))))
         table.append('</table>')
         return '\n'.join(table)
 
@@ -504,24 +504,39 @@ def _str2html(src, strip=False, indent_subsequent=0,
         lambda m: '&nbsp;'*(len(m.group(0))-1) + ' ', src)
     return src
 
+def truncate(string, limit=1000):
+    """
+    Truncate the string to the limit number of
+    characters
+    """
+    if len(string) > limit:
+        return string[:limit-20]+'...'+string[-17:]
+    else:
+        return string
+
 def make_wrappable(html, wrap_limit=60,
                    split_on=';?&@!$#-/\\"\''):
     # Currently using <wbr>, maybe should use &#8203;
     #   http://www.cs.tut.fi/~jkorpela/html/nobr.html
+    if len(html) <= wrap_limit:
+        return html
     words = html.split()
     new_words = []
     for word in words:
-        if len(word) > wrap_limit:
+        wrapped_word = ''
+        while len(word) > wrap_limit:
             for char in split_on:
                 if char in word:
-                    words = [
-                        make_wrappable(w, wrap_limit=wrap_limit,
-                                            split_on=split_on)
-                        for w in word.split(char, 1)]
-                    new_words.append('<wbr>'.join(words))
+                    first, rest = word.split(char, 1)
+                    wrapped_word += first+char+'<wbr>'
+                    word = rest
                     break
-        else:
-            new_words.append(word)
+            else:
+                for i in range(0, len(word), wrap_limit):
+                    wrapped_word += word[i:i+wrap_limit]+'<wbr>'
+                word = ''
+        wrapped_word += word
+        new_words.append(wrapped_word)
     return ' '.join(new_words)
 
 def make_pre_wrappable(html, wrap_limit=60,
-- 
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