How to use the offlineimap.imaputil.flags2hash function in offlineimap

operation + 'FLAGS',
                            imaputil.flagsmaildir2imap(flags))
            assert r[0] == 'OK', 'Error with store: ' + r[1]
            r = r[1]
        finally:
            self.imapserver.releaseconnection(imapobj)
        # Some IMAP servers do not always return a result.  Therefore,
        # only update the ones that it talks about, and manually fix
        # the others.
        needupdate = copy(uidlist)
        for result in r:
            if result == None:
                # Compensate for servers that don't return anything from
                # STORE.
                continue
            attributehash = imaputil.flags2hash(imaputil.imapsplit(result)[1])
            if not ('UID' in attributehash and 'FLAGS' in attributehash):
                # Compensate for servers that don't return a UID attribute.
                continue
            flags = attributehash['FLAGS']
            uid = long(attributehash['UID'])
            self.messagelist[uid]['flags'] = imaputil.flagsimap2maildir(flags)
            try:
                needupdate.remove(uid)
            except ValueError:          # Let it slide if it's not in the list
                pass
        for uid in needupdate:
            if operation == '+':
                for flag in flags:
                    if not flag in self.messagelist[uid]['flags']:
                        self.messagelist[uid]['flags'].append(flag)
                    self.messagelist[uid]['flags'].sort()

imapobj = self.imapserver.acquireconnection()
            try:
                labels_str = '(' + ' '.join([imaputil.quote(lb) for lb in labels]) + ')'
                # Coalesce uid's into ranges
                uid_str = imaputil.uid_sequence(uidlist)
                result = self._store_to_imap(imapobj, uid_str, arg, labels_str)

            except imapobj.readonly:
                self.ui.labelstoreadonly(self, uidlist, labels)
                return None

            finally:
                self.imapserver.releaseconnection(imapobj)

            if result:
                retlabels = imaputil.flags2hash(imaputil.imapsplit(result)[1])['X-GM-LABELS']
                retlabels = set([imaputil.dequote(lb) for lb in imaputil.imapsplit(retlabels)])
                return retlabels
        return None

operation + 'FLAGS',
                            imaputil.flagsmaildir2imap(flags))
            assert r[0] == 'OK', 'Error with store: ' + r[1]
            r = r[1]
        finally:
            self.imapserver.releaseconnection(imapobj)
        # Some IMAP servers do not always return a result.  Therefore,
        # only update the ones that it talks about, and manually fix
        # the others.
        needupdate = copy(uidlist)
        for result in r:
            if result == None:
                # Compensate for servers that don't return anything from
                # STORE.
                continue
            attributehash = imaputil.flags2hash(imaputil.imapsplit(result)[1])
            if not ('UID' in attributehash and 'FLAGS' in attributehash):
                # Compensate for servers that don't return a UID attribute.
                continue
            flags = attributehash['FLAGS']
            uid = long(attributehash['UID'])
            self.messagelist[uid]['flags'] = imaputil.flagsimap2maildir(flags)
            try:
                needupdate.remove(uid)
            except ValueError:          # Let it slide if it's not in the list
                pass
        for uid in needupdate:
            if operation == '+':
                for flag in flags:
                    if not flag in self.messagelist[uid]['flags']:
                        self.messagelist[uid]['flags'].append(flag)
                    self.messagelist[uid]['flags'].sort()

except KeyError:
                return
            if maxmsgid < 1:
                # No messages; return
                return

            # Now, get the flags and UIDs for these.
            # We could conceivably get rid of maxmsgid and just say
            # '1:*' here.
            response = imapobj.fetch('1:%d' % maxmsgid, '(FLAGS UID)')[1]
        finally:
            self.imapserver.releaseconnection(imapobj)
        for messagestr in response:
            # Discard the message number.
            messagestr = string.split(messagestr, maxsplit = 1)[1]
            options = imaputil.flags2hash(messagestr)
            if not options.has_key('UID'):
                UIBase.getglobalui().warn('No UID in message with options %s' %\
                                          str(options),
                                          minor = 1)
            else:
                uid = long(options['UID'])
                flags = imaputil.flagsimap2maildir(options['FLAGS'])
                self.messagelist[uid] = {'uid': uid, 'flags': flags}

try:
            try:
                imapobj.select(self.getfullname())
            except imapobj.readonly:
                UIBase.getglobalui().flagstoreadonly(self, [uid], flags)
                return
            result = imapobj.uid('store', '%d' % uid, 'FLAGS',
                                 imaputil.flagsmaildir2imap(flags))
            assert result[0] == 'OK', 'Error with store: ' + r[1]
        finally:
            self.imapserver.releaseconnection(imapobj)
        result = result[1][0]
        if not result:
            self.messagelist[uid]['flags'] = flags
        else:
            flags = imaputil.flags2hash(imaputil.imapsplit(result)[1])['FLAGS']
            self.messagelist[uid]['flags'] = imaputil.flagsimap2maildir(flags)

except KeyError:
                return
            if maxmsgid < 1:
                # No messages; return
                return

            # Now, get the flags and UIDs for these.
            # We could conceivably get rid of maxmsgid and just say
            # '1:*' here.
            response = imapobj.fetch('1:%d' % maxmsgid, '(FLAGS UID)')[1]
        finally:
            self.imapserver.releaseconnection(imapobj)
        for messagestr in response:
            # Discard the message number.
            messagestr = string.split(messagestr, maxsplit = 1)[1]
            options = imaputil.flags2hash(messagestr)
            if not options.has_key('UID'):
                UIBase.getglobalui().warn('No UID in message with options %s' %\
                                          str(options),
                                          minor = 1)
            else:
                uid = long(options['UID'])
                flags = imaputil.flagsimap2maildir(options['FLAGS'])
                self.messagelist[uid] = {'uid': uid, 'flags': flags}