def __init__(self, klass):

                self.klass = klass

            def step_0(self):

                # step 0 is the schema upgrade, and than follow proper upgrades

                notify('attempting to do database upgrade to version %s' \

                                % __dbversion__)

                api.upgrade(db_uri, repository_path, __dbversion__)

                notify('Schema upgrade completed')

            def step_1(self):

                pass

            def step_2(self):

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

                self.klass.fix_repo_paths()

                notify('Patching default user of RhodeCode')

                self.klass.fix_default_user()

                log.info('Changing ui settings')

                self.klass.create_ui_settings()

            def step_3(self):

                notify('Adding additional settings into RhodeCode db')

                self.klass.fix_settings()

                notify('Adding ldap defaults')

                self.klass.create_ldap_options(skip_existing=True)

            def step_4(self):

                notify('create permissions and fix groups')

                self.klass.create_permissions()

                self.klass.fixup_groups()

            def step_5(self):

                pass

            def step_6(self):

                notify('re-checking permissions')

                self.klass.create_permissions()

                notify('installing new UI options')

                sett4 = RhodeCodeSetting('show_public_icon', True)

                Session().add(sett4)

                sett5 = RhodeCodeSetting('show_private_icon', True)

                Session().add(sett5)

                sett6 = RhodeCodeSetting('stylify_metatags', False)

                Session().add(sett6)

                notify('fixing old PULL hook')

                _pull = RhodeCodeUi.get_by_key('preoutgoing.pull_logger')

                if _pull:

                    _pull.ui_key = RhodeCodeUi.HOOK_PULL

                    Session().add(_pull)

                notify('fixing old PUSH hook')

                _push = RhodeCodeUi.get_by_key('pretxnchangegroup.push_logger')

                if _push:

                    _push.ui_key = RhodeCodeUi.HOOK_PUSH

                    Session().add(_push)

                notify('installing new pre-push hook')

                hooks4 = RhodeCodeUi()

                hooks4.ui_section = 'hooks'

                hooks4.ui_key = RhodeCodeUi.HOOK_PRE_PUSH

                hooks4.ui_value = 'python:rhodecode.lib.hooks.pre_push'

                Session().add(hooks4)

                notify('installing new pre-pull hook')

                hooks6 = RhodeCodeUi()

                hooks6.ui_section = 'hooks'

                hooks6.ui_key = RhodeCodeUi.HOOK_PRE_PULL

                hooks6.ui_value = 'python:rhodecode.lib.hooks.pre_pull'

                Session().add(hooks6)

                notify('installing hgsubversion option')

                # enable hgsubversion disabled by default

                hgsubversion = RhodeCodeUi()

                hgsubversion.ui_section = 'extensions'

                hgsubversion.ui_key = 'hgsubversion'

                hgsubversion.ui_value = ''

                hgsubversion.ui_active = False

                Session().add(hgsubversion)

                notify('installing hg git option')

                # enable hggit disabled by default

                hggit = RhodeCodeUi()

                hggit.ui_section = 'extensions'

                hggit.ui_key = 'hggit'

                hggit.ui_value = ''

                hggit.ui_active = False

                Session().add(hggit)

                notify('re-check default permissions')

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

        # CALL THE PROPER ORDER OF STEPS TO PERFORM FULL UPGRADE

        _step = None

        for step in upgrade_steps:

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

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

            self.sa.commit()

            _step = step

        notify('upgrade to version %s successful' % _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()

            raise

    def fix_default_user(self):

        """

        Fixes a old default user with some 'nicer' default values,

        used mostly for anonymous access

        """

        def_user = self.sa.query(User)\

                .filter(User.username == 'default')\

                .one()

        def_user.name = 'Anonymous'

        def_user.lastname = 'User'

        def_user.email = 'anonymous@rhodecode.org'

        try:

            self.sa.add(def_user)

            self.sa.commit()

        except:

            self.sa.rollback()

            raise

    def fix_settings(self):

        """

        Fixes rhodecode settings adds ga_code key for google analytics

        """

        hgsettings3 = RhodeCodeSetting('ga_code', '')

        try:

            self.sa.add(hgsettings3)

            self.sa.commit()

        except:

            self.sa.rollback()

            raise

    def admin_prompt(self, second=False, defaults={}):

        if not self.tests:

            import getpass

            # defaults

            username = defaults.get('username')

            password = defaults.get('password')

            email = defaults.get('email')

            def get_password():

                password = getpass.getpass('Specify admin password '

                                           '(min 6 chars):')

                confirm = getpass.getpass('Confirm password:')

                if password != confirm:

                    log.error('passwords mismatch')

                    return False

                if len(password) < 6:

                    log.error('password is to short use at least 6 characters')

                    return False

                return password

            if username is None:

                username = raw_input('Specify admin username:')

            if password is None:

                password = get_password()

                if not password:

                    #second try

                    password = get_password()

                    if not password:

                        sys.exit()