tobias/docker-offlineimap
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Sync INTERNALDATE <-> mtime

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The attached patch adds syncing the INTERNALDATE of IMAP folders with
the mtime of messages in maildir folders.
I want this to happen, because I'm running a dovecot over the maildirs
synced by offlineimap, and that uses the mtime as the INTERNALDATE.
When using mutt to view messages I generally sort based on the received
date, which for IMAP folders is the INTERNALDATE.

Since this is the first real coding I've done in Python the patch may
need to be cleaned up some, but it's working pretty well for me.  I've
added new messages to each side, and the received date has been
preserved going both ways.
This commit is contained in:
John Goerzen
2006-08-22 02:09:36 +01:00
parent e4db4200a2
commit 03488ba81b
6 changed files with 56 additions and 23 deletions
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20
offlineimap/imaplib.py
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@ -5,6 +5,7 @@ Based on RFC 2060.
Public class: IMAP4
Public variable: Debug
Public functions: Internaldate2tuple
Internaldate2epoch
Int2AP
ParseFlags
Time2Internaldate
@ -24,7 +25,7 @@ __version__ = "2.52"
import binascii, re, socket, time, random, sys, os
from offlineimap.ui import UIBase
__all__ = ["IMAP4", "Internaldate2tuple",
__all__ = ["IMAP4", "Internaldate2tuple", "Internaldate2epoch",
"Int2AP", "ParseFlags", "Time2Internaldate"]
# Globals
@ -78,7 +79,7 @@ Commands = {
Continuation = re.compile(r'\+( (?P<data>.*))?')
Flags = re.compile(r'.*FLAGS \((?P<flags>[^\)]*)\)')
InternalDate = re.compile(r'.*INTERNALDATE "'
r'(?P<day>[ 123][0-9])-(?P<mon>[A-Z][a-z][a-z])-(?P<year>[0-9][0-9][0-9][0-9])'
r'(?P<day>[ 0123][0-9])-(?P<mon>[A-Z][a-z][a-z])-(?P<year>[0-9][0-9][0-9][0-9])'
r' (?P<hour>[0-9][0-9]):(?P<min>[0-9][0-9]):(?P<sec>[0-9][0-9])'
r' (?P<zonen>[-+])(?P<zoneh>[0-9][0-9])(?P<zonem>[0-9][0-9])'
r'"')
@ -1230,10 +1231,10 @@ class _Authenticator:
Mon2num = {'Jan': 1, 'Feb': 2, 'Mar': 3, 'Apr': 4, 'May': 5, 'Jun': 6,
'Jul': 7, 'Aug': 8, 'Sep': 9, 'Oct': 10, 'Nov': 11, 'Dec': 12}
def Internaldate2tuple(resp):
def Internaldate2epoch(resp):
"""Convert IMAP4 INTERNALDATE to UT.
Returns Python time module tuple.
Returns seconds since the epoch.
"""
mo = InternalDate.match(resp)
@ -1259,7 +1260,16 @@ def Internaldate2tuple(resp):
tt = (year, mon, day, hour, min, sec, -1, -1, -1)
utc = time.mktime(tt)
return time.mktime(tt)
def Internaldate2tuple(resp):
"""Convert IMAP4 INTERNALDATE to UT.
Returns Python time module tuple.
"""
utc = Internaldate2epoch(resp)
# Following is necessary because the time module has no 'mkgmtime'.
# 'mktime' assumes arg in local timezone, so adds timezone/altzone.