[Patches] [ python-Patches-521478 ] mailbox / fromline matching
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Fri, 01 Mar 2002 03:34:23 -0800
Patches item #521478, was opened at 2002-02-22 15:54
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Category: Library (Lib)
Group: Python 2.2.x
Status: Closed
Resolution: Rejected
Priority: 5
Submitted By: Camiel Dobbelaar (camield)
Assigned to: Guido van Rossum (gvanrossum)
Summary: mailbox / fromline matching
Initial Comment:
mailbox.py does not parse this 'From' line correctly:
>From camield@sentia.nl Mon Apr 23 18:22:28 2001 +0200
^^^^^
This is because of the trailing timezone information,
that the regex does not account for.
Also, 'From' should match at the beginning of the line.
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>Comment By: Camiel Dobbelaar (camield)
Date: 2002-03-01 12:34
Message:
Logged In: YES
user_id=466784
I have tracked this down to Pine, the mailreader.
In imap/src/c-client/mail.c, it has this flag:
static int notimezones = NIL; /* write timezones in
"From " header */
(so timezones are written in the "From" lines by default)
I also found the following comment in imap/docs/FAQ in the
Pine distribution:
"""
So, good mail reading software only considers a line to be a
"From " line if it follows the actual specification for a
"From " line. This means, among other things, that the day
of week is fixed-format: "May 14", but "May 7" (note the
extra space) as opposed to "May 7". ctime() format for the
date is the most common, although POSIX also allows a
numeric timezone after the year.
"""
While I don't consider Pine to be the ultimate mailreader,
its heritage may warrant that the 'From ' lines it creates
are considered 'standard'.
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Comment By: Guido van Rossum (gvanrossum)
Date: 2002-02-28 23:37
Message:
Logged In: YES
user_id=6380
That From line is simply illegal, or at least nonstandard.
If your system uses this nonstandard format, you can extend
the mailbox parser by overriding the ._isrealfromline
method.
The pattern doesn't need ^ because match() is used, which
only matches at the start of the line.
Rejected.
----------------------------------------------------------------------
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