Hi Petr, Take a look at Horacio's work, he has gotten pretty far doing just that! But some of the label stuff can be very slow for large volumes atm.
His gmail.rb is well-written and relatively easy to understand: https://github.com/hsanson/sup/tree/gmail_source His last message to sup-devel: http://rubyforge.org/pipermail/sup-devel/2013-July/001415.html Also, feel free to sign up to the devel mailing list: http://rubyforge.org/mailman/listinfo/sup-devel or the users list, sup-talk: http://rubyforge.org/mailman/listinfo/sup-talk Regards, Gaute On 29. juli 2013 09:44, Petr Pudlák wrote: > Thanks for help. To clarify, my aim is to use sup with GMail on > multiple computers with locally cached messages. For this to work > correctly I need to synchronize labels back to GMail. Since this > seems problematic with maildir, my idea is to: > > - Store emails in a SQLite database. This way I'll get ACID > properties for free, as well as the possibility to add additional > information to messages, such as labels. Another bonus are simple > backups - everything is in one file. - Write a simple GMail-IMAP > synchronization tool that only downloads messages from _All mail_ to > the database and synchronizes labels back using [GMail > extensions](https://developers.google.com/gmail/imap_extensions#special-use_extension_of_the_list_command). > > (There could be some time limit like "download only messages newer > than 1 year or so.) - Modify sup so that it can use this SQLite > store and store (or copy) labels into it. > > This also solves the awkward intermediate step when using > OfflineIMAP that labels are first converted into IMAP folders, > downloaded locally to multiple folders and then again converted to > labels for sup (and sup needs to check multiple folders). Using > instead one big folder that understand labels seems much cleaner. > > (Perhaps it would be worth to store GMail thread ID too?) > > --- Reply to this email directly or view it on GitHub: > https://github.com/sup-heliotrope/sup/issues/113#issuecomment-21703944 > _______________________________________________ Sup-devel mailing list Sup-devel@rubyforge.org http://rubyforge.org/mailman/listinfo/sup-devel