Now that we do not need any system-specific hack, the three UsefulIMAP4
classes have become empty and should be removed. This implies importing
UsefulIMAPMixIn directly from the classes defined in imaplibutil.
Prepare this change by moving the code into imaplibutil.py. Functionally
this is a no-op.
Signed-off-by: Vincent Beffara <vbeffara@ens-lyon.fr>
Reviewed-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Because of a buggy realloc() implementation in earlier versions of
Python on Mac OS X, we had to cut reads into manageable chunks by hand;
this is no more needed with Python 2.6, and besides it causes problems
with imaplib2, which we now use. Revert the special case to use the
system's read() instead, which is now safe.
Signed-off-by: Vincent Beffara <vbeffara@ens-lyon.fr>
Reviewed-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
As the LocalStatus and UIDMap backend already did: If the uid already
exists for savemessage(), only modify the flags and don't append a new
message.
We don't invoke savemessage() on messages that already exist in our sync
logic, so this has no change on our current behavior. But it makes
backends befave more consistent with each other.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
- Some documentation improvements, this is a severely underdocumented
class. This still needs some further improvements though.
- Don't use apply(Baseclass) (which is going away in Python 3), use
IMAPFolder.__init__(self, *args, **kwargs).
- Don't call ValueError, string. It is ValueError(string)
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
We were not able to handle ~/... type of path configurations and we
crashed with mysterious SSL errors when no file was found at the
configured location. Expand '~' and bomb out with usable error messages
in case such a file does not exist. This will still not protect against
corrupt cacert files but it goes a long way towards user friendliness.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
imaplib2 does not use socket, so does not know about the
defaulttimeout we set based on the config. Instead, we explicitly pass
the default timeout.
Signed-off-by: Ethan Glasser-Camp <ethan@betacantrips.com>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
For read(), the imaplib2 version seems to work perfectly well. The
others aren't used any more, either by imaplib2, nor by us, so we may
as well get rid of them.
Signed-off-by: Ethan Glasser-Camp <ethan@betacantrips.com>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
The biggest change here is that imapobj.untagged_responses is no
longer a dictionary, but a list. To access it, I use the semi-private
_get_untagged_response method.
* offlineimap/folder/IMAP.py (IMAPFolder.quickchanged,
IMAPFolder.cachemessagelist): imaplib2 now explicitly removes its
EXISTS response on select(), so instead we use the return values from
select() to get the number of messages.
* offlineimap/imapserver.py (UsefulIMAPMixIn.select): imaplib2 now
stores untagged_responses for different mailboxes, which confuses us
because it seems like our mailboxes are "still" in read-only mode when
we just re-opened them. Additionally, we have to return the value
from imaplib2's select() so that the above thing works.
* offlineimap/imapserver.py (UsefulIMAPMixIn._mesg): imaplib2 now
calls _mesg with the name of a thread, so we display this
information in debug output. This requires a corresponding change to
imaplibutil.new_mesg.
* offlineimap/imaplibutil.py: We override IMAP4_SSL.open, whose
default arguments have changed, so update the default arguments. We
also subclass imaplib.IMAP4 in a few different places, which now
relies on having a read_fd file descriptor to poll on.
Signed-off-by: Ethan Glasser-Camp <ethan@betacantrips.com>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
imaplib2 has slightly different semantics than standard imaplib, so
this patch will break the build, but I thought it was helpful to have it as
a separate commit.
Signed-off-by: Ethan Glasser-Camp <ethan@betacantrips.com>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
This change does not do anything yet with imaplib2, merely makes it
available for future commits.
This file is identical to the one at
http://sydney.edu.au/engineering/it/~piers/python/imaplib2 .
imaplib2, written by the same guy who wrote imaplib, is very different
from imaplib itself. Calling it a modified version from the standard
distribution is misleading. It's more like a complete rewrite. As
such, it's not really possible to summarize what was changed.
The largest thing is that imaplib2 is "threaded". Instead of doing
blocking writes/reads on the socket during/after every command,
imaplib2 forks off threads to read and write to the socket based on
input and output buffers. This opens the door to asynchronous
commands (every command is potentially asynchronous, according to the
docs), and in particular IDLE, which is by definition an asynchronous
command.
The author writes: "imaplib2 can be substituted for imaplib in
existing clients with no changes in the code", but that's pretty
misleading. It might be true for certain simple users of imaplib, but
for us it's completely false. Among other things, how untagged
responses are stored in-memory is different -- instead of a hash
table, it's a list. I'm guessing this is to preserve order of
responses.
I think there are other miscellaneous improvements, like I think
imaplib2 is IPv6 safe out-of-the-box, but I haven't conducted an
extremely thorough examination of the differences :)
Signed-off-by: Ethan Glasser-Camp <ethan@betacantrips.com>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
The rfc822 module has been deprecated since python 2.3, and conversion to
the email module is straightforward, so let us do that. rfc822 is
completely gone in python3.
This also fixes a bug that led to offlineimap abortion (but that code path
is apparently usually not exercised so I did not notice:
rfc822|email.utils.parsedate return a tuple which has no named attributes,
but we were using them later in that function. So pass the tuple into a
struct_time() to get named attributes.
While reading the docs, I noticed that email.parsedate returns invalid
daylight savings information (is_dst attribute), and we are using it
anyway. Oh well, the imap server might think the mails are off by an hour
at worst.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
The only reason we used it here was to do a
traceback.print_exc(StringIO()) to get a string of our traceback. But we
can simply use traceback.format_exc() which exists since python 2.4.
One less module (and it is in the way to python 3 compatability too)
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
In commit 7a2a0225 [Don't pass list to ui.adding/deletingflags] we changed the
list logic for a per folder logic but forgot to remove one instance of
"destlist" which isn't valid anymore.
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
More convenient way to test if a certain uid exists and getting a list
of all uids. Also, the SQL backend will have efficient overrides for
these methods.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Rather than always having to call len(getmessagelist.keys()) as was done
before. No functional change, just nicer looking code. Also the SQLite
backend or other backends could implement more efficient implementations.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Previously we would output:
Folder sync sspaeth.de[INBOX.INBOX201004]:
Syncing INBOX.INBOX201004: IMAP -> Maildir
Folder sync sspaeth.de[INBOX.INBOX201006]:
Syncing INBOX.INBOX201006: IMAP -> Maildir
Folder sync sspaeth.de[INBOX.INBOX201009]:
Syncing INBOX.INBOX201009: IMAP -> Maildir
which is very repetitive and cluttered. By naming the folder sync
threads just according to the account and not the folder, the output
looks much nicer:
Folder sync [sspaeth.de]:
Syncing INBOX.INBOX201004: IMAP -> Maildir
Syncing INBOX.INBOX201006: IMAP -> Maildir
Syncing INBOX.INBOX201009: IMAP -> Maildir
If syncing multiple accounts in parallel, we will still get headers
indicating the account:
Folder sync [sspaeth.de]:
Syncing INBOX: IMAP -> Maildir
Syncing INBOX.INBOX201006: IMAP -> Maildir
Folder sync [gmail]:
Syncing INBOX: IMAP -> Maildir
This is a small fix that makes the output much nicer in my opinion.
Also don't output the thread name if we are in the MainThread, e.g. when
we output the initial offlineimap banner.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Read() should return empty string when EOF happen, instead of looping
forever. This is the right semantics of read(), and a wrapped version
should not change it.
If you read the read(2) system call manpage, it tells you that when EOF
is seen, return value is 0; it does not say
``loop forever when EOF happen''.
After the EOF detection is patched you can see the
following exception:
WARNING: ERROR attempting to copy message 344 for account Gmail:Traceback (most recent call last):
File "/usr/lib/pymodules/python2.6/offlineimap/folder/Base.py", line 282, in copymessageto
message = self.getmessage(uid)
File "/usr/lib/pymodules/python2.6/offlineimap/folder/IMAP.py", line 216, in getmessage
initialresult = imapobj.uid('fetch', '%d' % uid, '(BODY.PEEK[])')
File "/usr/lib/python2.6/imaplib.py", line 753, in uid
typ, dat = self._simple_command(name, command, *args)
File "/usr/lib/python2.6/imaplib.py", line 1060, in _simple_command
return self._command_complete(name, self._command(name, *args))
File "/usr/lib/python2.6/imaplib.py", line 890, in _command_complete
raise self.abort('command: %s => %s' % (name, val))
abort: command: UID => socket error: EOF
Signed-off-by: Bao Haojun <baohaojun@gmail.com>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
We only have one "dstfolder" at a time when deleting/adding flags, so no
need to pass in a list of those to the ui functions that output the log
info.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
They were not PEP-8 formatted, and some imports were simply
unnecessary. Removed those.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
This enables us to just use the folder instance in the ui output and get
a name rather than having to call getname() all the time.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
The previous syncing strategy was doing more than we needed to and was a
bit underdocumented. This is an attempt to clean it up.
1) Do away with the previous different code paths depending on
whether there is a LocalStatus file or not (the isnewfolder() test). We
always use the same strategy now, which makes the strategy easier to
understand. This strategy is simply:
a) Sync remote to local folder first
b) Sync local to remote
Where each sync implies a 4 pass strategy which does basically the same
as before (explained below).
2) Don't delete messages on LOCAL which don't exist on REMOTE right at
the beginning anymore. This prevented us e.g. from keeping local
messages rather than redownloading everything once LocalStatus got
corrupted or deleted. This surprised many who put in an existing local
maildir and expected it to be synced to the remote place. Instead, the
local maildir was deleted. This is a data loss that actually occured to
people!
3) No need to separately sync the statusfolder, we update that one
simultanously with the destfolders...
3) Simplified the sync function API by only taking one destdir rather
than a list of destdirs, we never used more anyway. This makes the code
easier to read.
4) Added plenty of code comments while I was going through to make sure
the strategy is easy to understand.
-----------------------------------------
Pass1: Transfer new local messages
Upload msg with negative/no UIDs to dstfolder. dstfolder should
assign that message a new UID. Update statusfolder.
Pass2: Copy existing messages
Copy messages in self, but not statusfolder to dstfolder if not
already in dstfolder. Update statusfolder.
Pass3: Remove deleted messages
Get all UIDS in statusfolder but not self. These are messages
that we have locally deleted. Delete those from dstfolder and
statusfolder.
Pass4: Synchronize flag changes
Compare flags in self with those in statusfolder. If msg has a
valid UID and exists on dstfolder (has not e.g. been deleted
there), sync the flag change to dstfolder and statusfolder.
The user visible implications of this change should be unnoticable
except in one situation:
Blowing away LocalStatus will not require you to redownload ALL of
your mails if you still have the local Maildir. It will simply recreate
LocalStatus.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Removing this lock makes the function not threadsafe, but then it is
only ever called from one thread, the main account syncer. Also, it
doesn't make it worse than most of the other functions in that class
which are also not threadsafe.
Removing this makes the code simpler, and removes the need to import the
threading module.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
The previous ui names were pretty unwieldy. Is it TTYUI.TTY or
TTY.TTYUI? Do I have to use capitals and where?
Simplify the names by making them case insensitive and by dropping
everything before the dot.
So "Curses.Blinkenlights" can now be invoked as "blinkenlights" or
"BLINKENLIGHTS". The old names will still work just fine so the
transition should be smooth. We issue a warning that the long names are
deprecated.
Document in offlineimap.conf that we don't accept lists of fallback UIs,
but only one UI option (this was already the case before this commit but
still wrongly documented).
The list of accepted ui names is:
ttyui (default), basic, quiet, machineui, blinkenlights
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Multithreading speeds up account syncing a lot and the offlineimap
defaults are very conservative. Let's make it use 2 IMAP connections by
default to gain some of the benefits that offlineimap offers.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Rather than inserting our own home-grown header, everytime we save a
message to an IMAP server, we check if we suport the UIDPLUS extension
which provides us with an APPENDUID reply. Use that to find the new UID
if possible, but keep the old way if we don't have that extension.
If a folder is read-only, return the uid that we have passed in per API
description in folder.Base.py
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
The working horse of the savemessage() function, imaplib.append() was
hidden away in an assert statement. Pull the real functions out of the
asserts and simply assert on the return values. This looks less
convoluted and makes this easier to understand in my opinion.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
savemessage was too long and complex. Factor out the date guessing part
of the function and put it into a function of its own. The logic of the
date guessing is the same, however, we do not use the
imaplib.Time2InternalDate() function as it is buggy
(http://bugs.python.org/issue11024) and returns localized patches. So we
create INTERNALDATE ourselves and pass it to append() as a string.
This commit fixes a bug that international users used to pass an invalid
date to the IMAP server, which the server will either ignore or complain
about.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
savemessage_getnewheader was an undocmented, cryptic and overengineered
function. It generates a new unique value that can be used as a mail
header to be inserted. For this it used LOTS of randomness sources: hash
of the mail content, hash of the folder name, hash of the repository
name, the current time, a random() value, and the offlineimap version string.
All we need is something random. So reduce this to hash of content
appended by a random integer. Sufficient and somewhat faster to calculate.
Rename the function to actually describe accurately what it does or
would you have guessed that savemessage_getnewheader() did nothing more
than returning ('X-OfflineIMAP', <randomstring> )? Rename to
generate_randomheader() to make it clearer what this is all about.
Also document the function, describing what it does, and what it returns.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
There is a clumsy workaround for Darwin that chunks reads into 8kb
blocks to avoid huge memory allocations. First, this fix should not only
be required but on FreeBSD2.6 too (see
http://bugs.python.org/issue3531). Second, decent python versions (I
checked 2.6) already chunk in the SSL case anyway, so there is no need to do
that again. Remove that level of indirection.
http://evanjones.ca/python-memory.html claims that this problem has been
fixed since python 2.5, so we might consider removing the workaround
completely even for the non-SSL case.
Increase the chunk size on Mac from 8kb to 64kb. Even Macs should be
able to take that amount of memory usage nowadays.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
A typo was preventing profiling mode to really enable singlethreading
mode. Fixing the unfortunate typo of mine makes it work.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
It is currently very hard to find out what folderfilter actually does
and makes it hard to debug for a user. With this patch if the user has
enabled "-d imap" (even better would perhaps be a different debug type
for this kind of thing?), we see a message
"Filtering out folder 'foo' due to folderfilter"
in the logs.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
This enables us to make use of self.ui in all repositories without
having to import and use getglobalui() in all types of repositories and
all places.
Note that this patch only makes this available, it does not yet make use
of it.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
When e.g. specifying an invalid 'reference' value for an IMAP server to
a root folder that does not exist, we would previously have crashed with
a nonsensical and non-intuitive error message (trying to address an
element of a NoneType).
This will also raise an Exception (which should be ok, given that this
is really a misconfiguration on the user side), but it will explain to
the user WHY it exited.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
The debug output for dequote, optionsplit is very verbose, outputing
what the functions are called with and what they return. Those functions
are now very old mature and rather simple, so it suffices to output
their return value rather than cluttering out log with too much
uninteresting garbarge.
This makes log files much more readable.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
A Repository() returns the correctly instanciated dervivate of a
BaseRepository, depending on the parameters passed to it. The returned
instance is eg an ImapRepository(). This makes the code look nicer,
and we have less functions lying around outside of classes (no more
global LoadRepository() function).
This will also enable us to conveniently hand back a
LocalStatusRepository based on SQLITE rather than plain text, if the
user configures this to be the experimental and optional backend
(once it exists).
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
This seems to prevent mysterious hangs with SSL imap servers (especially
gmail?) and does not harm in any case. So let us enable keep-alive
messages for ssl connections.
Our thread pool should be made more robust against closed SSL
connections (which do not always seem to raise Exceptions), and not
deadlock while waiting for resources or data that will never arrive.
Reviewed-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Gábor Melis <mega@retes.hu>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Commit e506442996 changed getglobalui() back to UIBase.getglobalui()
although the import had changed earlier, causing a regression.
Fix this by using the correct and current way of calling the ui.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Signed-off-by: Thomas Jost <schnouki@schnouki.net>
Reviewed-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
There is no need for using the string module if all we want is to split
a string at the white space. All pythons since at least 2.4 can do that.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
We have vonverted all places in folder/* to have self.ui available,
rather than having to use UIBase.getglobalui() all the
time. Unfortunately, we did not convert the users in folder/Base.py.
This patch does it belatedly. This fixes
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=613483
Signed-off-by: Sebastian Spaeth1 <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
I accidentally added "self" as first parameter to the signal handler
method. Of course it is not called with a class instance, the signal
handler always only receives 2 parameters: the signal number and the
stack frame. So just removing the self fixes things.
Proposed-by: Christian Holme <cholme@gmx.com>
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Code was broken, as these backends import UIBase (which had been moved).
However, they don't use it, so we can just delete the import.
Sorry, I failed to find those earlier somehow.
Signed-off-by: Sebastian <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
AccountSynchronizationMixin was never used on its own and it is a very
confusing class until you understand what it is used for. (It
complemented the Account() class with a few methods to make Account()
syncable.
But we use the SyncableAccount class anyway, so merge the former Mixin'
methods directly in there.
This does away with a class that is not directly used, and was a case of
over-object-orientation which confuses more than it helps.
Touched up code documentation while going through the file.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
"mailboxes" is defined global and set to an empty list, but never used
from anywhere within offlineimap. So let us just delete it.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Make --version much less verbose and only print out the version number
to facilitate easy parsing by scripts. We don't really need the verbose
copyright output, it is show with --help anyway.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Currently the Curses code is broken. Importing offlineimap.ui.Curses
will not succeed due to cyclic imports (threadutils imports ui, but ui
wants threadutils.MultiLock). So Curses cannot be chosen.
Incidentally, the only part in the code that uses "MultiLock" is the
Curses UI, to prevent concurrent access from several threads to the
ui-internal thread list and to IO resources such as the
screen. Fortunately for these purposes we don't need a MultiLock, so we
can do away with that implementation completely. A simple RLock that
allows us to have a thread "own" a lock and makes other threads wanting
access to the resource wait until the owning thread is finished.
The MultiLock implementation looked a bit weird, so simplifying code
here is a good thing, it might well be that we fix some "hangs" that
have been reported (and that would only ever occur with the Curses UI).
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
This fixes some leftover of 0b5b38d298.
Signed-off-by: Thomas Schwinge <thomas@schwinge.name>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
This branch is currently broken, as we were using getglobalui() but it
was not imported. This fixes the missing import and makes offlineimap
run successfully.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Improve documentation about what CustomConfigHelperMixin does,
it was not very clear without a close look to the code before.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
The current code path checked the CA cert host name, even if we did not
specify a CA cert file to use. Make the host name check dependent on a
CA cert file.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
All invocations of -d will imply the single-threaded mode unless one of
the debug options is "thread" (in which case it would be senseless to
force single-threaded mode).
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Previously, we would spawn child threads for account synchronization
even if we had single-threading enabled. This prevented us from catching
the true location of exceptions, for example. Now, in single-threaded
mode, we perform the account synchronization truely in the main thread
which will ease our debugging.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Earlier we would ignore *ALL* Exceptions that could occur during the
fsyncing of our LocalStatus database. Ignoring all Exceptions is not the
right thing here though. A recent commit improved the situation by
raising at least KeyboardInterrupt Exceptions, but that is still not
optimal.
os.fsync() is available on Unix, and Windows starting in python
2.2.3. so it should always work. If it doesn't, something is wrong.
It has been suggested to only catch EnvironmentError (ie SystemError and
OSError) here, but even those should be thrown. Something *is* wrong if
this fails and we should not ignore it.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Previously we did not catch KeyboardInterrupts explicitly as all of the
code was executed in forked child threads which would never receive
Ctrl-c exceptions. With the upcoming single threaded modus, this code
can be run in the main thread however, so we need to take care of
KeyboardInterrupts explicitly.
This was done wherever we would catch *ALL* exceptions universally and
print out an error message.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Previously we did not catch KeyboardInterrupts explicitly as all of the
code was executed in forked child threads which would never receive
Ctrl-c exceptions. With the upcoming single threaded modus, this code
can be run in the main thread however, so we need to take care of
KeyboardInterrupts explicitly. As this is pretty highlevel code, we also
protect against receiving a SystemExit exception which is raised e.g. in
the ui.terminate() code by calling sys.exit().
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Make imports conform to PEP8 (one import per line), remove redundant or
unneeded imports.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
We already import threadutil, so no need to also import
threadutil.InstanceLimitedThread separately.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
The ui.detector class was not really needed and leads to the illusion
that we provide GUI plugins. For the sake of code maintainability we
don't :-).
Rather than having GUI names equivalent to the classes they are in
(which leads to weird names like TTY.TTYUI), this patch allows to give
each GUI an arbitrary string name. GUI names remain still unchanged in
this patch, the default UI when none was configured is TTY.TTYUI.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Rather than regetting the ui with UIBase.getglobalui() all the time, we get it once in the base class and let all derivative classes just make use of self.ui rather than refetching the ui all the time, this makes for a bit less code and shorter lines.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
The latter is much shorter and looks nicer. UIBase was a very weird
name and with this patch, we don't need to use (or see) it from higher
level code anymore.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
The latter is shorter and looks nicer. UIBase was a very weird class
name for something that is "user visible". We don't need to use (or
see) it from higher level code for most of the code now.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Move central constant definitions into __init__.py. This does away
with version.py which contained nothing else and __init__.py is where
things like __VERSION__ are usually defined.
This commit also changes code to use offlineimap.__version__ rather
than offlineimap.version.__version__ as was before. Cleaned up some
duplicate or unneeded imports while touching those, formatting import
statements per PEP8 (one import per row).
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Previously, we did not check at all the authenticy and validity of
the SSL server we connected to. This is bad as it allows
man-in-the-middle attacks etc. This patch remedies the situation
somewhat.
If we specify a sslcacertfile= setting in the Repository section,
validate the server cert (on python>=2.6 or abort with python<=2.5).
As before, no certificate check is performed without that option.
In the future, the hostname check should be made optional and also
a mutt-lick "accept this certificate forever" thing should be
implemented.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Move them into the correct classes, overriding the open() function.
This is what we intent to do anyway, so do it in a clean way.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Move the command line option handling from the more manual "getopts"
module to the full fledged "OptionParser". It has the advantage of
e.g. automatically creating the Help text that is shown with the
"-h/--help" option rather than having to hardcode the text and
format the line breaking manually.
Also, do away with the version check when invoking OfflineImap so we
do not have to change the version number in three places when bumping
it.
Rename startup() to run() which sounds more in line what other modules
call their run functions (e.g. Thread.run()).
Signed-Off-By: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
On Mon, Dec 13, 2010 at 03:03:20PM -0600, Sebastian Spaeth wrote:
>
> > ...From where is the "Repository" object used?
>
> Please delete the Respository clas (repository.py) for now. I am sorry
> it sneaked it (I blame my horrible jet leg on it). I would like to
> introduce it in a later topic, but not at this time.
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Commit 9239a2d326 broke getting the password from the UI. This
unbreaks the change and adds some extended documentation and cleanups in
the functino en-passent.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Previoiusly, we would just bomb out with a KeyError("Foo") if a user
configured a repository Type=Foo. Or in case he tried to sync from a
Maildir to a Maildir. Still abort with an Exception now, but with one
that explains what actually had happened.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
On 12/13/2010 12:25 PM, Nicolas Sebrecht wrote:
> The release number information is hard coded. Here is a quick fix to update it
> to the last release.
>
> We may introduce more elaborated stuff to define the release dynamically.
FYI: not sure if you all saw it or changed it, but there were three
places I always changed for each new release:
offlineimap.py
bin/offlineimap
offlineimap/version.py
in particular, the value in version.py must match the value in the
offlineimap(.py) file that someone uses to start the thing up.
Reported-by: John Goerzen <jgoerzen@complete.org>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Instead of repeating a mapping table twice, once for each direction, it is only
stored once. This is safer and faster.
As the patch stands, it makes no custom flags available. The behaviour
is exactly as before.
Patch-written-by: Dan Christensen <jdc@uwo.ca>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
the cProfile/profile modules are great for performance debugging. The
pure-python profile module has much more overhead though and the
cProfile module is recommended if it exists. This changes to import to
first try the cProfile module and then fall back to the profile
module. The cProfile/profiles modules are API compatible for all that
its worth...
If that does not exist we continue to complain as before.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Rather than calling a function in a module, invoke offlineimap by
calling an OfflineImap object.
This removes code lying outside of objects; I prefer to keep code
within an object and provides us with a nicer Object encapsulation.
It will also ease the testing of Object functionality in unittests
when they are introduced.
Previously we would import and start Offlineimap like this:
from offlineimap import init
init.startup('6.2.0')
now we do:
from offlineimap import OfflineImap
offlineimap = OfflineImap()
offlineimap.startup('6.2.0')
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
This is very excessive and a bit annoying. Output that information
only if the next line concerns a different account/thread than the
previous one. This quiets down the UI quite a bit without losing
information.
While modifying this line, use the newer Thread.name and not the as
per python doc's old syntax getName()
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Only every 10 seconds. Also fix up the documentation of that function
while at it. The Curses ui actually implements user abort it
seems. Not sure if we could do the same in the UIBase, but that is for
another time.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Rather than poll our exitthread Queue in a non-blocking fashion and
always sleep for 1 second inbetween, simply call it in a blocking
fashion which will return immediately when a thread has exited. This
is somewhat faster as we don't do unnecessary sleeps after a thread
exited.
Do note that we need to specify some timeout value here (the 60 chosen
is pretty arbitary, but what the value exactly is, is not that
important, it could be any positive value) in order to make the
Queue.get() call work with SIGINT (cf
http://bugs.python.org/issue1360).
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Straightforward reformatting of the Error output to look nicer on the eyes.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
All other uis (especially BaseUI) define as warn(self, msg, minor = 0)
just MachineUI required minor without a default. This leads the
Machine UI to error out with an exception if we pass it
ui.warn("string") which is the common thing in our code base. This
patch is therefore small but critical in fixing this UI.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Change the X-OfflineIMAP header to work around possible Exchange MAPI
table overflow problem described in
http://article.gmane.org/gmane.mail.imap.offlineimap.general/1699
(It is unknown whether this problem still exits in current
Exchange versions, but let's assume the worst.)
The X-OfflineIMAP header is neccessary with some IMAP servers to
reliably determine the UID of a new messages uploaded to the server
by using the "UID SEARCH HEADER name string" command. Since this
command compares header name and value it is sufficient to have
a unique header value and a non-unique header name.
Note that a message can have more than one X-OfflineIMAP header if
the message was copied between IMAP folders multiple times.
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Python 2.4 doesn't allow try...except...finally clauses, see PEP
341. Also, yield statements inside try...finally is not allowed. The
commit changes the logic to no longer use those syntactical features.
Signed-off-by: Nicolas Sebrecht <ni.s@laposte.net>
Hello John,
i fixed some tiny bugs in offlineimap, mainly just for myself. They are
more dirty fixes than real bugfixes since I'm missing the deeper insight
into the code.
Especially the first one for Curses.py is very dirty and breaks the
scaling of the interface when the terminal size changes, but at least
the terminal is in proper state after exiting offlineimap.
In the order of appearance in the patchfile:
1. 'fixes' terminal breakage on quit of curses interface in python 2.6
to 2.6.5 (fixed since 2.6.6 http://bugs.python.org/issue7567)
2. fixes netrc password authentication
3. fixes user name querying from netrc
The patch is made for git revision 6b1cb5e036
Thanks a lot for the great application!
Best regards,
buergi
After tens of thousands of messages on the IMAP server were deleted it
takes offlineimap extremely long time (several hours of high CPU usage)
to delete them locally. It spends almost all the time modifying
LocalStatus. It processes the messages one by one, rewriting the
folder's status file in LocalStatus after each message.
It is much more efficient to save the status file only once, after
removing all the messages from the messagelist.
Deleting lots of messages now takes seconds instead of hours.
This should solve Debian bug #518093:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=518093
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Dear All,
I have made the attached patch to try and make offlineimap a bit more
stable in challenging situations. It's extremely useful in slow
connection environments - but sometimes if one account had the wrong
password or the connection went down then unfortunately the whole
program would crash.
I have tested this on our connection and tried throwing at it just about
every situation - connection, up down, up, down again, change password,
error whilst copying one message, etc. I have been running this patch
for the last 5 days or so syncing 6 accounts at the moment... It seems
to work and stay alive nicely (even if your connection does not)...
Hope that this can go in for the next release... Please let me know if
anyone notices any problems with this...
Regards,
-Mike
-- Attached file included as plaintext by Ecartis --
-- File: submit
From 1d6777cab23637eb830031c7cab0ae9b8589afd6 Mon Sep 17 00:00:00 2001
From: mike <mike@mikelaptop.(none)>
Date: Mon, 24 Aug 2009 19:37:59 +0430
Subject: [PATCH] This patch attempts to introduce a little more error handling - e.g.
if one account has an error because of a changed password or something
that should not affect the other accounts.
Specifically:
If one sync run has an issue this is in a try-except clause - if it
has an auto refresh period the thread will sleep and try again - this
could be quite useful in the event of the connection going down for a
little while, changed password etc.
If one folder cannot be created an error message will be displayed through
the UI and the program will continue (e.g. permission denied to create a folder)
If one message does not want to copy for whatever resaon an error message
will be displayed through the UI and at least the other messages will
be copied
If one folder run has an exception then the others will still run
Dear All,
Attached is the patch that I have developed to provide maxage and
maxsize options. You can thus sync only the last x days of messages and
exclude large messages. All details in the attached git file.
Regards,
-Mike
-- Attached file included as plaintext by Ecartis --
-- File: submit
From 04fead2b46a79675a5b29de6f2b4088b9c9448e5 Mon Sep 17 00:00:00 2001
From: mike <mike@mikelaptop.(none)>
Date: Sun, 16 Aug 2009 17:00:49 +0430
Subject: [PATCH] Patch to provide maxage and maxsize account options to exclude old/large messages
This is designed to make offlineimap even better for low bandwidth connections.
maxage allows you to specify a number of days and only messages within
that range will be considered by offlineimap for the sync. This can be
useful if you would like to start using offlineimap with a large
existing account and do not want to import large archives of mail.
maxsize allows you to specify the maximum size of a message to consider so
that you can exclude messages with large attachments etc.
In both cases the cachemessagelist function of the folder was modified to ignore
messages that do not meet the criteria. If the criteria are not specified
then the existing code will be executed the same as before. If a message
does not meet the criteria it will be as though this message does not exist
- offlineimap will completely ignore it. It will not have flags updated,
it will not be deleted, it will not be considered at all.
When operating against an IMAP repository a server side search function
is used. This of course requires support for server side search.
I have tested this with either option, no options etc. against IMAP, Maildir
and Gmail. I have run variations of this patch here for the last 3 weeks or
so syncing about 4 accounts normally.
This reverts commit 220db8a77d.
From: Daniel Jacobowitz
Date: July 17, 2009
The documentation may have been unclear, but quick never worked the
way this patch changes it. My installed offlineimap does one sync
every $autorefresh minutes, and the $quick'th one is a full sync. All
the others are quick. Now it's going to do a full sync every
$autorefresh minutes and a ludicrous number of $quick syncs.
-- Daniel Jacobowitz CodeSourcery
Hello John,
The attached patch makes quick synchronization work again (according to
the documentation), so there are <quick> quick synchronizations
performed between full synchronizations.
Thanks,
Michal
* fixes rh bz #510036
Signed-off-by: Christoph Höger <choeger@cs.tu-berlin.de>
[ per jgoerzen: rh bz #510036 is Kerberos issue. also Closes: #535794 in Debian ]
Closes: #535160
Bug#535160: offlineimap fails on encfs (FUSE) due to hard linking
Package: offlineimap
Version: 6.0.3
Severity: normal
Tags: patch
Hi,
if the localrepository is stored on an encfs, offlineimap fails as follows:
OfflineIMAP 6.0.3
Copyright (C) 2002 - 2008 John Goerzen <jgoerzen@complete.org>
This software comes with ABSOLUTELY NO WARRANTY; see the file
COPYING for details. This is free software, and you are welcome
to distribute it under the conditions laid out in COPYING.
***** Processing account pleione
Copying folder structure from IMAP to Maildir
Establishing connection to tunnel:eval `keychain --quiet --eval` && ssh -q mymailhost /usr/sbin/dovecot --exec-mail imap.
Syncing Drafts: IMAP -> Maildir
Syncing INBOX: IMAP -> Maildir
----------8<----------
Syncing net: IMAP -> Maildir
Copy message 360 IMAP[net] -> Maildir[net], LocalStatus[net]
Syncing personal: IMAP -> Maildir
Thread 'Copy message 360 from net' terminated with exception:
Traceback (most recent call last):
File "/var/lib/python-support/python2.4/offlineimap/threadutil.py", line 149, in run
Thread.run(self)
File "threading.py", line 422, in run
self.__target(*self.__args, **self.__kwargs)
File "/var/lib/python-support/python2.4/offlineimap/folder/Base.py", line 282, in copymessageto
newuid = object.savemessage(uid, message, flags, rtime)
File "/var/lib/python-support/python2.4/offlineimap/folder/Maildir.py", line 198, in savemessage
os.path.join(tmpdir, messagename))
OSError: [Errno 1] Operation not permitted
Last 4 debug messages logged for Copy message 360 from net prior to exception:
----------8<----------
As encfs does not support hard linking, the rename of the temporary
message file fails.
This is the only occurrence of hard linking in offlineimap and can be
fixed by using an atomic `os.rename` instead of `os.link`+`os.unlink`.
I have been using the attached patch for more than 1.5 years and have
never again had any problems with offlineimap on encfs.
Regards,
Peter
On Tue, Apr 21, 11:19:00 -0500, John Goerzen wrote:
> I think the one loss of functionality we have here is that it doesn't
> check if a given account has already been listed before adding to the
> list. Should be a simple tweak. If you could tweak that and test, I'd
> apply a new patch.
Good catch. I attach an updated patch which I've tested and it appears
to work fine, including not syncing two accounts twice.
Thanks,
--
Jonny Lamb, UK
jonny@debian.org
From 7f348ee116bba64f7330e28d4e7b2c015910a890 Mon Sep 17 00:00:00 2001
From: Jonny Lamb <jonny@debian.org>
Date: Tue, 05 May 2009 20:45:17 +0100
Subject: [PATCH] Respect order of general.accounts config setting.
This makes the order of account synchronisation the same as the order of
the general.accounts setting by using a list instead of a dict, which
was actually pointless as the value of each dict item was never even
looked at.
Signed-off-by: Jonny Lamb <jonny@debian.org>
Patch from Eric Dorland
Closes: #470875
From: Wouter Verhelst
Subject: kerberos authentication works only the first time
Date: Fri, 14 Mar 2008 09:28:37 +0100
Package: offlineimap
Version: 5.99.8
Severity: normal
Hi,
I have the "autorefresh" configuration option specified in my
.offlineimaprc, and am now using the kerberos authentication.
However, this kerberos authentication seems to work only the first
time
offlineimap tries to fetch mails. The next time, it fails with this
output:
Thread 'Account sync Test' terminated with exception:
Traceback (most recent call last):
File "/var/lib/python-support/python2.4/offlineimap/threadutil.py",
line 153, in run
Thread.run(self)
File "/usr/lib/python2.4/threading.py", line 422, in run
self.__target(*self.__args, **self.__kwargs)
File "/var/lib/python-support/python2.4/offlineimap/accounts.py",
line 119, in syncrunner
self.sync()
File "/var/lib/python-support/python2.4/offlineimap/accounts.py",
line 148, in sync
remoterepos.syncfoldersto(localrepos, [statusrepos])
File
"/var/lib/python-support/python2.4/offlineimap/repository/Base.py",
line 135, in syncfoldersto
srcfolders = src.getfolders()
File
"/var/lib/python-support/python2.4/offlineimap/repository/IMAP.py",
line 192, in getfolders
listresult = imapobj.list(directory =
self.imapserver.reference)[1]
File "/usr/lib/python2.4/imaplib.py", line 469, in list
typ, dat = self._simple_command(name, directory, pattern)
File "/usr/lib/python2.4/imaplib.py", line 1028, in _simple_command
return self._command_complete(name, self._command(name, *args))
File "/usr/lib/python2.4/imaplib.py", line 787, in _command
raise self.error(
error: command LIST illegal in state NONAUTH
Paul Hinze <paul.t.hinze@gmail.com> on 2008-12-22 at 19:16:
> I did a bit of debugging and asking around in #python and it turns out
> that because Maildir.py uses a conditional import of md5 from either
> hashlib or the md5 module, the md5.new() call is not always correct.
> The attached patch should fix this problem.
Thanks to Daniel Rall for pointing out that the attachment got stripped
off my last message. Patch follows.
Paul
----
From e01fdfbf62c61c31b514e826e6cc00fb98d88808 Mon Sep 17 00:00:00 2001
From: Paul Hinze <paul.t.hinze@gmail.com>
Date: Mon, 22 Dec 2008 18:42:44 -0600
Subject: [PATCH] Fixing md5 import when hashlib is available
Thanks to habnabit and Rhamphoryncus in #python for help debugging
Here's the way I'd like to use offlineimap on my laptop:
1. Have a regular cron job running infrequently. The cron job
checks to see
if I'm online, plugged in, and that no other copy of offlineimap is
running. If
all of these conditions are satisfied, it runs offlineimap just once:
"offlineimap -o -u Noninteractive.Quiet"
2. When I start up mutt, I do it by calling a wrapper script that
delays
until cron-started copies of offlineimap have finished, then starts
offlineimap
on its regular, stay-alive and keep checking schedule. When I quit
mutt, the
wrapper script tells offlineimap to stop.
This way I get frequent regular checks while I have mutt running, but
I don't
waste my battery/cpu checking frequently for mail when I'm not
interested in
it.
To make this work, though, it'd be nicer if it were easier to tell
offlineimap,
from the outside, things like "terminate cleanly now" and "when you've
finished
synching, then terminate instead of sleeping and synching again."
OK, to put my money where my mouth is, I attach two patches against
offlineimap
6.0.3.
The first, "cleanup.patch", cleans up a few spots that tend to throw
exceptions
for me as offlineimap is exiting from a KeyboardInterrupt.
The second adds signaling capabilities to offlineimap.
* sending a SIGTERM tells offlineimap to terminate immediately but
cleanly,
just as if "q" had been pressed in the GUI interface
* sending a SIGUSR1 tells every account to do a full sync asap: if
it's
sleeping, then wake up and do the sync now. If it's mid-sync, then
re-synch
any folders whose syncing has already been started or completed, and
continue
to synch the other, queued but not-yet-synched folders.
* sending a SIGHUP tells every account to die as soon as it can (but
not
immediately: only after finishing any synch it's now engaged in)
* sending a SIGUSR2 tells every account to do a full sync asap (as
with
SIGUSR1), then die
It's tricky to mix signals with threads, but I think I've done this
correctly.
I've been using it now for a few weeks without any obvious
problems. But I'm passing it
on so that others can review the code and test it out on their
systems. I developed the
patch when I was running Python 2.5.2, but to my knowledge I don't use
any Python 2.5-specific
code. Now I'm using the patch with Python 2.6.
Although I said "without any obvious problems," let me confess that
I'm
seeing offlineimap regularly choke when I do things like this: start
up
my offlineimap-wrapped copy of mutt, wait a while, put the machine to
sleep (not sure if offlineimap is active in the background or idling),
move to a different spot, wake the machine up again and it acquires a
new network, sometimes a wired network instead of wifi. Offlineimap
doesn't like that so much. I don't yet have any reason to think the
problems here come from my patches. But I'm just acknowledging them,
so
that if others are able to use offlineimap without any difficulty in
situations like I described, then maybe the fault is with my patches.
From Jim Pryor
The first, "cleanup.patch", cleans up a few spots that tend to throw
exceptions for me as offlineimap is exiting from a KeyboardInterrupt.
Frankly, the original code doesn't even make much sense, and
moreover it's not forward compatible with python 2.6, and
furthermore:
DeprecationWarning: socket.ssl() is deprecated.
So, this commit is just a temporary fix.
Signed-off-by: Michael Witten <mfwitten@mit.edu>
module threading should be taken out back and shot.
Condition.wait() is a busywait loop that has negative implications for
battery consumption on laptops.
Queue.get() in blocking mode blocks SIGINT from being delivered.
Argh, argh, argh.
Closes: #493801.
This should improve power-management abilities some more
The catch is that we can't wait any longer for the kathread to
terminate. We were waiting for this in some cases. This is probably
not a big deal.
fixes deb#434074
fixes#66
This patch adds sslclientcert and sslclientkey configuration
options which are passed through to imaplib in order to allow
the use of client certificates for authentication.
Tue Nov 13 14:44:17 CST 2007 Mark Hymers <mhy@debian.org>
Noted thie code:
statusfolder =
statusrepos.getfolder(remotefolder.getvisiblename().\
replace(remoterepos.getsep(),
statusrepos.getsep()))
in accounts.py. Should have been using the sep of the LocalStatus all
along.
refs deb#479798, #68
fixes#20
04/27/2008 09:34 AM - Vincent Beffara
* File darwin.patch added
OK, I finally installed an IMAPS server on my iMac, so I could test a
little further. For some reason, fixing the read() method in
imaplibutil.py did not seem to work (it hung on connecting to the
server) - however, modifying the file imapserver.py similarly to the
non-SSL case fixed the crash.
I also reduced the chunk size to 100k instead of 1M, as 1M seemed to
still trigger the memory error in some cases. Ah, and I added a
platform test, so that the patch does essentially nothing on
non-Darwin machines ...
So, still no guarantee, but the attached patch works for me. Any
comments ?
(If noone here screams in horror at my code, I will include the patch
into the Fink package and see what happens there.)
