Exemple #1
0
    def initial_sync_impl(self, crispin_client):
        # We wrap the block in a try/finally because the greenlets like
        # change_poller need to be killed when this greenlet is interrupted
        change_poller = None
        try:
            with mailsync_session_scope() as db_session:
                local_uids = common.all_uids(self.account_id, db_session,
                                             self.folder_name)
            remote_uid_count = len(set(crispin_client.all_uids()))
            remote_g_metadata = self.__fetch_g_metadata(
                crispin_client, local_uids)
            remote_uids = sorted(remote_g_metadata.keys(), key=int)
            with self.syncmanager_lock:
                with mailsync_session_scope() as db_session:
                    deleted_uids = self.remove_deleted_uids(
                        db_session, local_uids, remote_uids)

                    local_uids = set(local_uids) - deleted_uids
                    unknown_uids = set(remote_uids) - local_uids
                    self.update_uid_counts(
                        db_session, remote_uid_count=remote_uid_count,
                        download_uid_count=len(unknown_uids))

            download_stack = UIDStack()
            if self.folder_name == crispin_client.folder_names()['inbox']:
                # We don't do an initial dedupe for Inbox because we do thread
                # expansion, which means even if we have a given msgid
                # downloaded, we miiight not have the whole thread. This means
                # that restarts cause duplicate work, but hopefully these
                # folders aren't too huge.
                flags = crispin_client.flags(unknown_uids)
                for uid in sorted(unknown_uids):
                    if uid in flags:
                        download_stack.put(
                            uid,
                            GMessage(uid, remote_g_metadata[uid],
                                     flags[uid].flags, flags[uid].labels,
                                     throttled=self.throttled))
                change_poller = spawn(self.poll_for_changes, download_stack)
                self.__download_queued_threads(crispin_client,
                                               download_stack)
            elif self.folder_name in uid_download_folders(crispin_client):
                full_download = self.__deduplicate_message_download(
                    crispin_client, remote_g_metadata, unknown_uids)
                for uid in sorted(full_download):
                    download_stack.put(uid, None)
                change_poller = spawn(self.poll_for_changes, download_stack)
                self.download_uids(crispin_client, download_stack)
            else:
                raise MailsyncError(
                    'Unknown Gmail sync folder: {}'.format(self.folder_name))

            # Complete X-GM-MSGID mapping is no longer needed after initial
            # sync.
            rm_cache(remote_g_metadata_cache_file(self.account_id,
                                                  self.folder_name))
        finally:
            if change_poller is not None:
                change_poller.kill()
Exemple #2
0
    def initial_sync_impl(self, crispin_client):
        # We wrap the block in a try/finally because the greenlets like
        # change_poller need to be killed when this greenlet is interrupted
        change_poller = None
        try:
            with mailsync_session_scope() as db_session:
                local_uids = common.all_uids(self.account_id, db_session,
                                             self.folder_id)
            remote_uids = sorted(crispin_client.all_uids(), key=int)
            remote_uid_count = len(remote_uids)
            with self.syncmanager_lock:
                with mailsync_session_scope() as db_session:
                    self.remove_deleted_uids(db_session, local_uids,
                                             remote_uids)
                    unknown_uids = set(remote_uids) - local_uids
                    self.update_uid_counts(
                        db_session,
                        remote_uid_count=remote_uid_count,
                        download_uid_count=len(unknown_uids))

            remote_g_metadata = crispin_client.g_metadata(unknown_uids)
            download_stack = UIDStack()
            change_poller = spawn(self.poll_for_changes, download_stack)
            bind_context(change_poller, 'changepoller', self.account_id,
                         self.folder_id)
            if self.is_all_mail(crispin_client):
                # Put UIDs on the stack such that UIDs for messages in the
                # inbox get downloaded first, and such that higher (i.e., more
                # recent) UIDs get downloaded before lower ones.
                inbox_uids = crispin_client.search_uids(['X-GM-LABELS inbox'])
                inbox_uid_set = set(inbox_uids)
                # Note that we have to be checking membership in a /set/ for
                # performance.
                ordered_uids_to_sync = [
                    u for u in sorted(remote_uids) if u not in inbox_uid_set
                ] + sorted(inbox_uids)
                for uid in ordered_uids_to_sync:
                    if uid in remote_g_metadata:
                        metadata = GMetadata(remote_g_metadata[uid].msgid,
                                             remote_g_metadata[uid].thrid,
                                             self.throttled)
                        download_stack.put(uid, metadata)
                self.__download_queued_threads(crispin_client, download_stack)
            else:
                full_download = self.__deduplicate_message_download(
                    crispin_client, remote_g_metadata, unknown_uids)
                for uid in sorted(full_download):
                    download_stack.put(uid, None)
                self.download_uids(crispin_client, download_stack)
        finally:
            if change_poller is not None:
                # schedule change_poller to die
                kill(change_poller)
Exemple #3
0
    def initial_sync_impl(self, crispin_client):
        # We wrap the block in a try/finally because the greenlets like
        # change_poller need to be killed when this greenlet is interrupted
        change_poller = None
        try:
            with mailsync_session_scope() as db_session:
                local_uids = common.all_uids(self.account_id, db_session,
                                             self.folder_id)
            remote_uids = sorted(crispin_client.all_uids(), key=int)
            remote_uid_count = len(remote_uids)
            with self.syncmanager_lock:
                with mailsync_session_scope() as db_session:
                    self.remove_deleted_uids(db_session, local_uids,
                                             remote_uids)
                    unknown_uids = set(remote_uids) - local_uids
                    self.update_uid_counts(
                        db_session, remote_uid_count=remote_uid_count,
                        download_uid_count=len(unknown_uids))

            remote_g_metadata = crispin_client.g_metadata(unknown_uids)
            download_stack = UIDStack()
            change_poller = spawn(self.poll_for_changes, download_stack)
            bind_context(change_poller, 'changepoller', self.account_id,
                         self.folder_id)
            if self.is_all_mail(crispin_client):
                # Put UIDs on the stack such that UIDs for messages in the
                # inbox get downloaded first, and such that higher (i.e., more
                # recent) UIDs get downloaded before lower ones.
                inbox_uids = crispin_client.search_uids(['X-GM-LABELS inbox'])
                inbox_uid_set = set(inbox_uids)
                # Note that we have to be checking membership in a /set/ for
                # performance.
                ordered_uids_to_sync = [u for u in sorted(remote_uids) if u not
                                        in inbox_uid_set] + sorted(inbox_uids)
                for uid in ordered_uids_to_sync:
                    if uid in remote_g_metadata:
                        metadata = GMetadata(remote_g_metadata[uid].msgid,
                                             remote_g_metadata[uid].thrid,
                                             self.throttled)
                        download_stack.put(uid, metadata)
                self.__download_queued_threads(crispin_client, download_stack)
            else:
                full_download = self.__deduplicate_message_download(
                    crispin_client, remote_g_metadata, unknown_uids)
                for uid in sorted(full_download):
                    download_stack.put(uid, None)
                self.download_uids(crispin_client, download_stack)
        finally:
            if change_poller is not None:
                # schedule change_poller to die
                kill(change_poller)
Exemple #4
0
    def initial_sync_impl(self, crispin_client):
        # We wrap the block in a try/finally because the greenlets like
        # change_poller need to be killed when this greenlet is interrupted
        change_poller = None
        try:
            with mailsync_session_scope() as db_session:
                local_uids = common.all_uids(self.account_id, db_session,
                                             self.folder_name)
            remote_uids = sorted(crispin_client.all_uids(), key=int)
            remote_uid_count = len(remote_uids)
            with self.syncmanager_lock:
                with mailsync_session_scope() as db_session:
                    deleted_uids = self.remove_deleted_uids(
                        db_session, local_uids, remote_uids)

                    local_uids = set(local_uids) - deleted_uids
                    unknown_uids = set(remote_uids) - local_uids
                    self.update_uid_counts(
                        db_session,
                        remote_uid_count=remote_uid_count,
                        download_uid_count=len(unknown_uids))

            remote_g_metadata = crispin_client.g_metadata(unknown_uids)
            download_stack = UIDStack()
            change_poller = spawn(self.poll_for_changes, download_stack)
            if self.folder_name in uid_download_folders(crispin_client):
                full_download = self.__deduplicate_message_download(
                    crispin_client, remote_g_metadata, unknown_uids)
                for uid in sorted(full_download):
                    download_stack.put(uid, None)
                self.download_uids(crispin_client, download_stack)
            elif self.folder_name in thread_expand_folders(crispin_client):
                flags = crispin_client.flags(unknown_uids)
                for uid in sorted(unknown_uids):
                    if uid in flags:
                        gmessage = GMessage(uid,
                                            remote_g_metadata[uid],
                                            flags[uid].flags,
                                            flags[uid].labels,
                                            throttled=self.throttled)
                        download_stack.put(uid, gmessage)
                # We always download threads via the 'All Mail' folder.
                crispin_client.select_folder(
                    crispin_client.folder_names()['all'], uidvalidity_cb)
                self.__download_queued_threads(crispin_client, download_stack)
            else:
                raise MailsyncError('Unknown Gmail sync folder: {}'.format(
                    self.folder_name))
        finally:
            if change_poller is not None:
                change_poller.kill()
Exemple #5
0
    def initial_sync_impl(self, crispin_client):
        # We wrap the block in a try/finally because the greenlets like
        # change_poller need to be killed when this greenlet is interrupted
        change_poller = None
        try:
            with mailsync_session_scope() as db_session:
                local_uids = common.all_uids(self.account_id, db_session,
                                             self.folder_name)
            remote_uids = sorted(crispin_client.all_uids(), key=int)
            remote_uid_count = len(remote_uids)
            with self.syncmanager_lock:
                with mailsync_session_scope() as db_session:
                    deleted_uids = self.remove_deleted_uids(
                        db_session, local_uids, remote_uids)

                    local_uids = set(local_uids) - deleted_uids
                    unknown_uids = set(remote_uids) - local_uids
                    self.update_uid_counts(
                        db_session, remote_uid_count=remote_uid_count,
                        download_uid_count=len(unknown_uids))

            remote_g_metadata = crispin_client.g_metadata(unknown_uids)
            download_stack = UIDStack()
            change_poller = spawn(self.poll_for_changes, download_stack)
            if self.folder_name in uid_download_folders(crispin_client):
                full_download = self.__deduplicate_message_download(
                    crispin_client, remote_g_metadata, unknown_uids)
                for uid in sorted(full_download):
                    download_stack.put(uid, None)
                self.download_uids(crispin_client, download_stack)
            elif self.folder_name in thread_expand_folders(crispin_client):
                flags = crispin_client.flags(unknown_uids)
                for uid in sorted(unknown_uids):
                    if uid in flags:
                        gmessage = GMessage(uid, remote_g_metadata[uid],
                                            flags[uid].flags,
                                            flags[uid].labels,
                                            throttled=self.throttled)
                        download_stack.put(uid, gmessage)
                # We always download threads via the 'All Mail' folder.
                crispin_client.select_folder(
                    crispin_client.folder_names()['all'], uidvalidity_cb)
                self.__download_queued_threads(crispin_client, download_stack)
            else:
                raise MailsyncError(
                    'Unknown Gmail sync folder: {}'.format(self.folder_name))
        finally:
            if change_poller is not None:
                change_poller.kill()