api.upgrade(db_uri, repository_path, __dbversion__)

                print ('Schema upgrade completed')

            def step_1(self):

                pass

            def step_2(self):

                print ('Patching repo paths for newer version of RhodeCode')

                self.klass.fix_repo_paths()

                print ('Patching default user of RhodeCode')

                self.klass.fix_default_user()

                log.info('Changing ui settings')

                self.klass.create_ui_settings()

            def step_3(self):

                print ('Adding additional settings into RhodeCode db')

                self.klass.fix_settings()

                print ('Adding ldap defaults')

                self.klass.create_ldap_options(skip_existing=True)

            def step_4(self):

                print ('TODO:')

        upgrade_steps = [0] + range(curr_version + 1, __dbversion__ + 1)

        # CALL THE PROPER ORDER OF STEPS TO PERFORM FULL UPGRADE

        for step in upgrade_steps:

            print ('performing upgrade step %s' % step)

            getattr(UpgradeSteps(self), 'step_%s' % step)()

    def fix_repo_paths(self):

        """

        Fixes a old rhodecode version path into new one without a '*'

        """

        paths = self.sa.query(RhodeCodeUi)\

                .filter(RhodeCodeUi.ui_key == '/')\

                .scalar()

        paths.ui_value = paths.ui_value.replace('*', '')

        try:

            self.sa.add(paths)

            self.sa.commit()

        except:

            self.sa.rollback()

    def send_to(self):

        return set(self.recipients) | set(self.bcc or ()) | set(self.cc or ())

    def to_message(self):

        """

        Returns raw email.Message instance.Validates message first.

        """

        self.validate()

        return self.get_response().to_message()

    def get_response(self):

        """

        Creates a Lamson MailResponse instance

        """

        response = MailResponse(Subject=self.subject,

                                To=self.recipients,

                                From=self.sender,

                                Body=self.body,

                                Html=self.html,

                                separator=self.recipients_separator)

        if self.cc:

            response.base['Cc'] = self.cc

        for attachment in self.attachments:

            response.attach(attachment.filename,

                            attachment.content_type,

                            attachment.data,

                            attachment.disposition)

        response.update(self.extra_headers)

        return response

    def is_bad_headers(self):

        """

        Checks for bad headers i.e. newlines in subject, sender or recipients.

        """

        headers = [self.subject, self.sender]

        headers += list(self.send_to)

        headers += self.extra_headers.values()

        for val in headers: