[Pkg-mailman-hackers] Bug#443069: mailman: senddigests cron job: "TypeError: iso-8859-1"

[Joost van Baal]

On Tue, Sep 18, 2007 at 01:47:12PM +0000, Julian Mehnle wrote:
> Package: mailman
> Version: 1:2.1.9-8
> Severity: important
> Followup-For: Bug #384016
> 
> It seems that #384016 is not resolved yet.  I recently upgraded mailman
> from 1:2.1.8-4 to 1:2.1.9-8, and now I am getting the following error
> message whenever the senddigests cron job runs (i.e. daily):
> 
> | Traceback (most recent call last):
> |   File "/usr/lib/mailman/cron/senddigests", line 94, in ?
> |     main()
> |   File "/usr/lib/mailman/cron/senddigests", line 86, in main
> |     mlist.send_digest_now()
> |   File "/usr/lib/mailman/Mailman/Digester.py", line 60, in send_digest_now
> |     ToDigest.send_digests(self, mboxfp)
> |   File "/usr/lib/mailman/Mailman/Handlers/ToDigest.py", line 142, in send_digests
> |     send_i18n_digests(mlist, mboxfp)
> |   File "/usr/lib/mailman/Mailman/Handlers/ToDigest.py", line 324, in send_i18n_digests
> |     msg = scrubber(mlist, msg)
> |   File "/usr/lib/mailman/Mailman/Handlers/Scrubber.py", line 393, in process
> |     replace_payload_by_text(msg, sep.join(text), charset)
> |   File "/usr/lib/mailman/Mailman/Handlers/Scrubber.py", line 175, in replace_payload_by_text
> |     msg.set_payload(text, charset)
> |   File "email/Message.py", line 218, in set_payload
> |   File "email/Message.py", line 242, in set_charset
> | TypeError: iso-8859-1
> 
> I followed the trail of #384016 and found that its supposed fix (the
> mailman package shipping its own "email" Python package) does not seem
> to be in effect on my system:
> 
> | io:/usr/lib/mailman/cron> python
> | Python 2.4.4 (#2, Aug 16 2007, 02:03:40)
> | [GCC 4.1.3 20070812 (prerelease) (Debian 4.1.2-15)] on linux2
> | Type "help", "copyright", "credits" or "license" for more information.
> | >>> import paths
> | >>> import email
> | >>> email.__version__
> | '3.0.2'
> | >>>
> 
> Using python2.3 to run senddigests works around the problem as expected:
> 
> | io:/usr/lib/mailman/cron> sudo -H -u list python2.3 /usr/lib/mailman/cron/senddigests
> | io:/usr/lib/mailman/cron>
> 
> What's going on here?  Has the inclusion of mailman's own "email"
> package been reverted?

FWIW, I've recently manually done:

 ln -s /usr/lib/mailman/pythonlib /var/lib/mailman/pythonlib

after such a Mailman upgrade.  It solved the shown errors from
senddigests.

Apparently, the postinst script fails to execute this under some
circumstances.  Since my system is nonstandard (/var/lib/mailman is a
symlink here), I didn't investigate further.  Anyway, the workaround
might work for you too.

Bye,

Joost

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