Mailman/Mailman2/Mailman encoding bug

Two messages in mediawiki-l archives from February 2006 triggered this exciting error when rebuilding archives with 'wipe':

Updating HTML for article 5494
Pickling archive state into /usr/local/mailman/archives/private/mediawiki-l/pipermail.pck
Traceback (most recent call last):
 File "bin/arch", line 200, in ?
 main()
 File "bin/arch", line 188, in main
 archiver.processUnixMailbox(fp, start, end)
 File "/usr/local/mailman/Mailman/Archiver/pipermail.py", line 585, in processUnixMailbox
 self.add_article(a)
 File "/usr/local/mailman/Mailman/Archiver/pipermail.py", line 626, in add_article
 filename))
 File "/usr/local/mailman/Mailman/Archiver/HyperArch.py", line 1116, in write_article
 f.write(article.as_text())
 File "/usr/local/mailman/Mailman/Archiver/HyperArch.py", line 579, in as_text
 '\g<1>' + _(' at ') + '\g<2>', body)
 File "/usr/local/python2.4/lib/python2.4/sre.py", line 142, in sub
 return _compile(pattern, 0).sub(repl, string, count)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xfc in position 68: ordinal not in range(128)

As a workaround, I added this hack to skip over the affected items:

--- /usr/local/mailman/Mailman/Archiver/HyperArch.py.orig 2006年03月31日 18:11:26.000000000 +0000
+++ /usr/local/mailman/Mailman/Archiver/HyperArch.py 2006年03月31日 18:24:56.000000000 +0000
@@ -575,8 +575,11 @@
 otrans = i18n.get_translation()
 try:
 i18n.set_language(self._lang)
- body = re.sub(r'([-+,.\w]+)@([-+.\w]+)',
- '\g<1>' + _(' at ') + '\g<2>', body)
+ try:
+ body = re.sub(r'([-+,.\w]+)@([-+.\w]+)',
+ '\g<1>' + _(' at ') + '\g<2>', body)
+ except UnicodeDecodeError:
+ body = 'Mailman has a bug and Unicode decoding broke here.'
 finally:
 i18n.set_translation(otrans)
 return NL.join(headers) % d + '\n\n' + body + '\n'

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