From 9dd0d69317e7144abbc410078a4d67b5701cef43 Mon Sep 17 00:00:00 2001
From: bwarsaw <>
Date: Fri, 13 May 2005 02:34:39 +0000
Subject: strip_subject() in HyperArch.py prefix_subject() in CookHeaders.py

    When calling re.sub() to substitute the subject prefix, you have to escape
    the pattern, otherwise prefixes like [C++] cause "multiple repeat"
    exceptions in re.

Also, whitespace normalization and copyright years updates.
---
 Mailman/Archiver/HyperArch.py   |  6 +++---
 Mailman/Defaults.py.in          | 10 ++++++----
 Mailman/Handlers/CookHeaders.py | 15 +++++++--------
 3 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/Mailman/Archiver/HyperArch.py b/Mailman/Archiver/HyperArch.py
index 5a37adad..c6a2ff0e 100644
--- a/Mailman/Archiver/HyperArch.py
+++ b/Mailman/Archiver/HyperArch.py
@@ -1,4 +1,4 @@
-# Copyright (C) 1998-2003 by the Free Software Foundation, Inc.
+# Copyright (C) 1998-2005 by the Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -412,7 +412,7 @@ class Article(pipermail.Article):
         if prefix:
             prefix_pat = re.sub(r'%\d*d', r'\s*\d+\s*', prefix)
             prefix_pat = re.sub('([\[\(\{\)])', '\\\\\g<1>', prefix_pat)
-            subject = re.sub(prefix_pat, '', subject)
+            subject = re.sub(re.escape(prefix_pat), '', subject)
         subject = subject.lstrip()
         strip_pat = re.compile('^((RE|AW|SV)(\[\d+\])?:\s*)+', re.I)
         stripped = strip_pat.sub('', subject)
@@ -585,7 +585,7 @@ class Article(pipermail.Article):
         try:
             del self.html_body
         except AttributeError:
-            pass        
+            pass
 
 
 class HyperArchive(pipermail.T):
diff --git a/Mailman/Defaults.py.in b/Mailman/Defaults.py.in
index 5ed516f8..dd73fc4e 100644
--- a/Mailman/Defaults.py.in
+++ b/Mailman/Defaults.py.in
@@ -829,12 +829,14 @@ DEFAULT_MSG_FOOTER = """_______________________________________________
 """
 
 # Where to put subject prefix for 'Re:' messages:
+#
 #     old style: Re: [prefix] test
 #     new style: [prefix 123] Re: test ... (number is optional)
-# Old style is default for backward compatibility. New style is forced if
-# a list owner set %d (numbering) in prefix. If the site owner had applied
-# new style patch (from SF patch area) before, he/she may want to set this
-# No in mm_cfg.py.
+#
+# Old style is default for backward compatibility.  New style is forced if a
+# list owner set %d (numbering) in prefix.  If the site owner had applied new
+# style patch (from SF patch area) before, he/she may want to set this No in
+# mm_cfg.py.
 OLD_STYLE_PREFIXING = Yes
 
 # Scrub regular delivery
diff --git a/Mailman/Handlers/CookHeaders.py b/Mailman/Handlers/CookHeaders.py
index fce88c44..993c0471 100644
--- a/Mailman/Handlers/CookHeaders.py
+++ b/Mailman/Handlers/CookHeaders.py
@@ -1,4 +1,4 @@
-# Copyright (C) 1998-2004 by the Free Software Foundation, Inc.
+# Copyright (C) 1998-2005 by the Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -14,8 +14,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
-"""Cook a message's Subject header.
-"""
+"""Cook a message's Subject header."""
 
 from __future__ import nested_scopes
 import re
@@ -51,7 +50,7 @@ nonascii = re.compile('[^\s!-~]')
 
 def uheader(mlist, s, header_name=None, continuation_ws='\t', maxlinelen=None):
     # Get the charset to encode the string in. Then search if there is any
-    # non-ascii character is in the string. If there is and the charset is 
+    # non-ascii character is in the string. If there is and the charset is
     # us-ascii then we use iso-8859-1 instead. If the string is ascii only
     # we use 'us-ascii' if another charset is specified.
     charset = Utils.GetCharSet(mlist.preferred_language)
@@ -188,7 +187,7 @@ def process(mlist, msg, msgdata):
         i18ndesc = uheader(mlist, mlist.description, 'List-Id', maxlinelen=998)
         listid_h = formataddr((str(i18ndesc), listid))
     else:
-       	# without desc we need to ensure the MUST brackets
+        # without desc we need to ensure the MUST brackets
         listid_h = '<%s>' % listid
     # We always add a List-ID: header.
     del msg['list-id']
@@ -236,7 +235,7 @@ def prefix_subject(mlist, msg, msgdata):
     # tracked (e.g. internally crafted, delivered to a single user such as the
     # list admin).
     prefix = mlist.subject_prefix.strip()
-    if not prefix: 
+    if not prefix:
         return
     subject = msg.get('subject', '')
     # Try to figure out what the continuation_ws is for the header
@@ -260,7 +259,7 @@ def prefix_subject(mlist, msg, msgdata):
     # [],(), or {}, the prefix in the responding post subject will be cared.
     # sequential number format allows '%05d' like pattern.
     p = re.compile('%\d*d')
-    if p.search(prefix,1):
+    if p.search(prefix, 1):
         # prefix have number, so we should search prefix w/number in subject.
         # Also, old_style is forced to False
         prefix_pattern = p.sub(r'\s*\d+\s*', prefix)
@@ -271,7 +270,7 @@ def prefix_subject(mlist, msg, msgdata):
     # Convert [ ( { ) --> \\[ \\( \\{ \\) to feed into re module.
     # TK: Something magic should be here but after trial and error...
     prefix_pattern = re.sub('([\[\(\{\)])', '\\\\\g<1>', prefix_pattern)
-    subject = re.sub(prefix_pattern, '', subject)
+    subject = re.sub(re.escape(prefix_pattern), '', subject)
     rematch = re.match('((RE|AW|SV)(\[\d+\])?:\s*)+', subject, re.I)
     if rematch:
         subject = subject[rematch.end():]
-- 
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