except formencode.Invalid:

            # User provided an invalid plugin list. Just fall back to

            # the list of currently enabled plugins. (We'll re-validate

            # and show an error message to the user, below.)

            pass

        else:

            # Hide plugins that the user has asked to be disabled, but

            # do not show plugins that the user has asked to be enabled

            # (yet), since that'll cause validation errors and/or wrong

            # settings being applied (e.g. checkboxes being cleared),

            # since the plugin settings will not be in the POST data.

            c.enabled_plugins = [ p for p in c.enabled_plugins if p in new_enabled_plugins ]

        # Next, parse everything including plugin settings.

        _form = AuthSettingsForm(c.enabled_plugins)()

        try:

            form_result = _form.to_python(dict(request.POST))

            for k, v in form_result.items():

                if k == 'auth_plugins':

                    # we want to store it comma separated inside our settings

                    v = ','.join(v)

                log.debug("%s = %s", k, str(v))

                setting = Setting.create_or_update(k, v)

            Session().commit()

            h.flash(_('Auth settings updated successfully'),

                       category='success')

        except formencode.Invalid as errors:

            log.error(traceback.format_exc())

            e = errors.error_dict or {}

            return self.__render(

                defaults=errors.value,

                errors=e,

            )

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('error occurred during update of auth settings'),

                    category='error')

        raise HTTPFound(location=url('auth_home'))

    @LoginRequired()

    @HasPermissionAnyDecorator('hg.admin')

    def __before__(self):

        super(DefaultsController, self).__before__()

    def index(self, format='html'):

        c.backends = BACKENDS.keys()

        defaults = Setting.get_default_repo_settings()

        return htmlfill.render(

            render('admin/defaults/defaults.html'),

            defaults=defaults,

            encoding="UTF-8",

            force_defaults=False

        )

    def update(self, id):

        _form = DefaultsForm()()

        try:

            form_result = _form.to_python(dict(request.POST))

            for k, v in form_result.iteritems():

                setting = Setting.create_or_update(k, v)

            Session().commit()

            h.flash(_('Default settings updated successfully'),

                    category='success')

        except formencode.Invalid as errors:

            defaults = errors.value

            return htmlfill.render(

                render('admin/defaults/defaults.html'),

                defaults=defaults,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8",

                force_defaults=False)

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('Error occurred during update of defaults'),

                    category='error')

        raise HTTPFound(location=url('defaults'))

        return htmlfill.render(

            render('admin/settings/settings.html'),

            defaults=defaults,

            encoding="UTF-8",

            force_defaults=False)

    @HasPermissionAnyDecorator('hg.admin')

    def settings_global(self):

        c.active = 'global'

        if request.POST:

            application_form = ApplicationSettingsForm()()

            try:

                form_result = application_form.to_python(dict(request.POST))

            except formencode.Invalid as errors:

                return htmlfill.render(

                    render('admin/settings/settings.html'),

                    defaults=errors.value,

                    errors=errors.error_dict or {},

                    prefix_error=False,

                    encoding="UTF-8",

                    force_defaults=False)

            try:

                Session().commit()

                set_app_settings(config)

                h.flash(_('Updated application settings'), category='success')

            except Exception:

                log.error(traceback.format_exc())

                h.flash(_('Error occurred while updating '

                          'application settings'),

                          category='error')

            raise HTTPFound(location=url('admin_settings_global'))

        defaults = Setting.get_app_settings()

        defaults.update(self._get_hg_ui_settings())

        return htmlfill.render(

            render('admin/settings/settings.html'),

            defaults=defaults,

            encoding="UTF-8",

            force_defaults=False)

    @HasPermissionAnyDecorator('hg.admin')

    def settings_visual(self):

                form_result = application_form.to_python(dict(request.POST))

            except formencode.Invalid as errors:

                return htmlfill.render(

                    render('admin/settings/settings.html'),

                    defaults=errors.value,

                    errors=errors.error_dict or {},

                    prefix_error=False,

                    encoding="UTF-8",

                    force_defaults=False)

            try:

                settings = [

                    ('show_public_icon', 'show_public_icon', 'bool'),

                    ('show_private_icon', 'show_private_icon', 'bool'),

                    ('stylify_metatags', 'stylify_metatags', 'bool'),

                    ('repository_fields', 'repository_fields', 'bool'),

                    ('dashboard_items', 'dashboard_items', 'int'),

                    ('admin_grid_items', 'admin_grid_items', 'int'),

                    ('show_version', 'show_version', 'bool'),

                    ('use_gravatar', 'use_gravatar', 'bool'),

                    ('gravatar_url', 'gravatar_url', 'unicode'),

                    ('clone_uri_tmpl', 'clone_uri_tmpl', 'unicode'),

                ]

                for setting, form_key, type_ in settings:

                Session().commit()

                set_app_settings(config)

                h.flash(_('Updated visualisation settings'),

                        category='success')

            except Exception:

                log.error(traceback.format_exc())

                h.flash(_('Error occurred during updating '

                          'visualisation settings'),

                        category='error')

            raise HTTPFound(location=url('admin_settings_visual'))

        defaults = Setting.get_app_settings()

        defaults.update(self._get_hg_ui_settings())

        return htmlfill.render(

            render('admin/settings/settings.html'),

            defaults=defaults,

            encoding="UTF-8",

            force_defaults=False)

    @HasPermissionAnyDecorator('hg.admin')

    @classmethod

    def get_by_name_or_create(cls, key, val='', type='unicode'):

        res = cls.get_by_name(key)

        if res is None:

            res = cls(key, val, type)

        return res

    @classmethod

    def create_or_update(cls, key, val=Optional(''), type=Optional('unicode')):

        """

        Creates or updates Kallithea setting. If updates are triggered, it will only

        update parameters that are explicitly set. Optional instance will be skipped.

        :param key:

        :param val:

        :param type:

        :return:

        """

        res = cls.get_by_name(key)

        if res is None:

            val = Optional.extract(val)

            type = Optional.extract(type)

            res = cls(key, val, type)

        else:

            res.app_settings_name = key

            if not isinstance(val, Optional):

                # update if set

                res.app_settings_value = val

            if not isinstance(type, Optional):

                # update if set

                res.app_settings_type = type

        return res

    @classmethod

    def get_app_settings(cls, cache=False):

        ret = cls.query()

        if cache:

            ret = ret.options(FromCache("sql_cache_short", "get_hg_settings"))

        if ret is None:

            raise Exception('Could not get application settings !')

        settings = {}

        for each in ret:

            settings[each.app_settings_name] = \

                each.app_settings_value

    return pylons.test.pylonsapp

@pytest.yield_fixture

def create_test_user():

    """Provide users that automatically disappear after test is over."""

    test_user_ids = []

    def _create_test_user(user_form):

        user = UserModel().create(user_form)

        test_user_ids.append(user.user_id)

        return user

    yield _create_test_user

    for user_id in test_user_ids:

        UserModel().delete(user_id)

    Session().commit()

def _set_settings(*kvtseq):

    session = Session()

    for kvt in kvtseq:

        assert len(kvt) in (2, 3)

        k = kvt[0]

        v = kvt[1]

        t = kvt[2] if len(kvt) == 3 else 'unicode'

    session.commit()

@pytest.yield_fixture

def set_test_settings():

    """Restore settings after test is over."""

    # Save settings.

    settings_snapshot = [

        (s.app_settings_name, s.app_settings_value, s.app_settings_type)

        for s in Setting.query().all()]

    yield _set_settings

    # Restore settings.

    session = Session()

    keys = frozenset(k for (k, v, t) in settings_snapshot)

    for s in Setting.query().all():

        if s.app_settings_name not in keys:

            session.delete(s)

    for k, v, t in settings_snapshot:

        if t == 'list' and hasattr(v, '__iter__'):

            v = ','.join(v) # Quirk: must format list value manually.

    session.commit()

@pytest.yield_fixture

def auto_clear_ip_permissions():

    """Fixture that provides nothing but clearing IP permissions upon test

    exit. This clearing is needed to avoid other test failing to make fake http

    accesses."""

    yield

    # cleanup

    user_model = UserModel()

    user_ids = []

    user_ids.append(User.get_default_user().user_id)

    user_ids.append(User.get_by_username(TEST_USER_REGULAR_LOGIN).user_id)

    for user_id in user_ids:

        for ip in UserIpMap.query().filter(UserIpMap.user_id == user_id):

            user_model.delete_extra_ip(user_id, ip.ip_id)

    # IP permissions are cached, need to invalidate this cache explicitly

    invalidate_all_caches()

from kallithea.model.meta import Session

from kallithea.model.db import Setting

name = 'spam-setting-name'

def test_passing_list_setting_value_results_in_string_valued_setting():

    assert Setting.get_by_name(name) is None

    setting = Setting.create_or_update(name, ['spam', 'eggs'])

    Session().flush()

    try:

        assert Setting.get_by_name(name) is not None

        # Quirk: list value is stringified.

        assert Setting.get_by_name(name).app_settings_value \

               == "['spam', 'eggs']"

        assert Setting.get_by_name(name).app_settings_type == 'unicode'

    finally:

        Session().delete(setting)

        Session().flush()

def test_list_valued_setting_creation_requires_manual_value_formatting():

    assert Setting.get_by_name(name) is None

    # Quirk: need manual formatting of list setting value.

    setting = Setting.create_or_update(name, 'spam,eggs', type='list')

    Session().flush()

    try:

        assert setting.app_settings_value == ['spam', 'eggs']

    finally:

        Session().delete(setting)

        Session().flush()

def test_list_valued_setting_update():

    assert Setting.get_by_name(name) is None

    setting = Setting.create_or_update(name, 'spam', type='list')

    Session().add(setting)

    Session().flush()

    try:

        assert setting.app_settings_value == [u'spam']

        # Assign back setting value.

        setting.app_settings_value = setting.app_settings_value

        # Quirk: value is stringified on write and listified on read.

        assert setting.app_settings_value == ["[u'spam']"]

        setting.app_settings_value = setting.app_settings_value

        assert setting.app_settings_value == ["[u\"[u'spam']\"]"]

    finally:

        Session().delete(setting)

        Session().flush()