Python models.Setting類代碼示例

def create_settings_from_fixture(fixture):
    """Inserts the settings from a fixture into the database.
    Returns the created groups and settings.

    :param fixture: The fixture which should inserted.
    """
    created_settings = {}
    for settingsgroup in fixture:
        group = SettingsGroup(
            key=settingsgroup[0],
            name=settingsgroup[1]["name"],
            description=settingsgroup[1]["description"]
        )
        group.save()
        created_settings[group] = []

        for settings in settingsgroup[1]["settings"]:
            setting = Setting(
                key=settings[0],
                value=settings[1]["value"],
                value_type=settings[1]["value_type"],
                name=settings[1]["name"],
                description=settings[1]["description"],
                extra=settings[1].get("extra", ""),     # Optional field

                settingsgroup=group.key
            )
            if setting:
                setting.save()
                created_settings[group].append(setting)

    return created_settings

    def _determine_active_settings(self, slug, plugin):
        """Determines which settings are active.
        Returns a tuple in following order:
            ``form``, ``old_settings``, ``plugin_obj``, ``active_nav``
        """
        # Any ideas how to do this better?
        slug = slug if slug else 'general'
        active_nav = {}  # used to build the navigation
        plugin_obj = None
        if plugin is not None:
            plugin_obj = PluginRegistry.query.filter_by(name=plugin
                                                        ).first_or_404()
            active_nav.update(
                {
                    'key': plugin_obj.name,
                    'title': plugin_obj.name.title()
                }
            )
            form = plugin_obj.get_settings_form()
            old_settings = plugin_obj.settings

        elif slug is not None:
            group_obj = SettingsGroup.query.filter_by(key=slug).first_or_404()
            active_nav.update({'key': group_obj.key, 'title': group_obj.name})
            form = Setting.get_form(group_obj)()
            old_settings = Setting.get_settings(group_obj)

        return form, old_settings, plugin_obj, active_nav

def create_settings_from_fixture(fixture):
    """
    Inserts the settings from a fixture into the database.
    """
    for settingsgroup in fixture:
        group = SettingsGroup(
            key=settingsgroup[0],
            name=settingsgroup[1]['name'],
            description=settingsgroup[1]['description']
        )

        group.save()

        for settings in settingsgroup[1]['settings']:
            setting = Setting(
                key=settings[0],
                value=settings[1]['value'],
                value_type=settings[1]['value_type'],
                name=settings[1]['name'],
                description=settings[1]['description'],
                extra=settings[1].get('extra', ""),     # Optional field

                settingsgroup=group.key
            )
            setting.save()

    def post(self, slug=None, plugin=None):
        form, old_settings, plugin_obj, active_nav = \
            self._determine_active_settings(slug, plugin)
        all_groups = SettingsGroup.query.all()
        all_plugins = PluginRegistry.query.filter(db.and_(
            PluginRegistry.values != None,
            PluginRegistry.enabled == True
        )).all()

        if form.validate_on_submit():
            new_settings = populate_settings_dict(form, old_settings)

            if plugin_obj is not None:
                plugin_obj.update_settings(new_settings)
            else:
                Setting.update(settings=new_settings, app=current_app)

            flash(_("Settings saved."), "success")

        return render_template(
            "management/settings.html",
            form=form,
            all_groups=all_groups,
            all_plugins=all_plugins,
            active_nav=active_nav
        )

def install_plugin(plugin):
    plugin = get_plugin_from_all(plugin)
    if plugin.installable and not plugin.uninstallable:
        plugin.install()
        Setting.invalidate_cache()

        flash(_("Plugin has been installed."), "success")
    else:
        flash(_("Cannot install Plugin."), "danger")

    return redirect(url_for("management.plugins"))

def uninstall_plugin(plugin):
    plugin = get_plugin_from_all(plugin)
    if plugin.uninstallable:
        plugin.uninstall()
        Setting.invalidate_cache()

        flash("Plugin {} has been uninstalled.".format(plugin.name), "success")
    else:
        flash("Cannot uninstall Plugin {}".format(plugin.name), "danger")

    return redirect(url_for("management.plugins"))

def update_settings_from_fixture(fixture, overwrite_group=False,
                                 overwrite_setting=False):
    """
    Updates the database settings from a fixture.
    Returns the number of updated groups and settings.
    """
    groups_count = 0
    settings_count = 0
    for settingsgroup in fixture:

        group = SettingsGroup.query.filter_by(key=settingsgroup[0]).first()

        if group is not None and overwrite_group or group is None:
            groups_count += 1
            group = SettingsGroup(
                key=settingsgroup[0],
                name=settingsgroup[1]['name'],
                description=settingsgroup[1]['description']
            )

            group.save()

        for settings in settingsgroup[1]['settings']:

            setting = Setting.query.filter_by(key=settings[0]).first()

            if setting is not None and overwrite_setting or setting is None:
                settings_count += 1
                setting = Setting(
                    key=settings[0],
                    value=settings[1]['value'],
                    value_type=settings[1]['value_type'],
                    name=settings[1]['name'],
                    description=settings[1]['description'],
                    extra=settings[1].get('extra', ""),
                    settingsgroup=group.key
                )
                setting.save()
    return groups_count, settings_count

def settings(slug=None):
    slug = slug if slug else "general"

    # get the currently active group
    active_group = SettingsGroup.query.filter_by(key=slug).first_or_404()
    # get all groups - used to build the navigation
    all_groups = SettingsGroup.query.all()

    SettingsForm = Setting.get_form(active_group)

    old_settings = Setting.get_settings(active_group)
    new_settings = {}

    form = SettingsForm()

    if form.validate_on_submit():
        for key, values in iteritems(old_settings):
            try:
                # check if the value has changed
                if values['value'] == form[key].data:
                    continue
                else:
                    new_settings[key] = form[key].data
            except KeyError:
                pass
        Setting.update(settings=new_settings, app=current_app)
        flash(_("Settings saved."), "success")
    else:
        for key, values in iteritems(old_settings):
            try:
                form[key].data = values['value']
            except (KeyError, ValueError):
                pass

    return render_template("management/settings.html", form=form,
                           all_groups=all_groups, active_group=active_group)

def update_settings_from_fixture(fixture, overwrite_group=False,
                                 overwrite_setting=False):
    """Updates the database settings from a fixture.
    Returns the updated groups and settings.

    :param fixture: The fixture which should be inserted/updated.
    :param overwrite_group: Set this to ``True`` if you want to overwrite
                            the group if it already exists.
                            Defaults to ``False``.
    :param overwrite_setting: Set this to ``True`` if you want to overwrite the
                              setting if it already exists.
                              Defaults to ``False``.
    """
    updated_settings = {}

    for settingsgroup in fixture:

        group = SettingsGroup.query.filter_by(key=settingsgroup[0]).first()

        if (group is not None and overwrite_group) or group is None:

            if group is not None:
                group.name = settingsgroup[1]["name"]
                group.description = settingsgroup[1]["description"]
            else:
                group = SettingsGroup(
                    key=settingsgroup[0],
                    name=settingsgroup[1]["name"],
                    description=settingsgroup[1]["description"]
                )

            group.save()

        for settings in settingsgroup[1]["settings"]:

            setting = Setting.query.filter_by(key=settings[0]).first()

            if (setting is not None and overwrite_setting) or setting is None:

                if setting is not None:
                    setting.value = settings[1]["value"]
                    setting.value_type = settings[1]["value_type"]
                    setting.name = settings[1]["name"]
                    setting.description = settings[1]["description"]
                    setting.extra = settings[1].get("extra", "")
                    setting.settingsgroup = group.key
                else:
                    setting = Setting(
                        key=settings[0],
                        value=settings[1]["value"],
                        value_type=settings[1]["value_type"],
                        name=settings[1]["name"],
                        description=settings[1]["description"],
                        extra=settings[1].get("extra", ""),
                        settingsgroup=group.key
                    )

                setting.save()
                updated_settings[group] = []
                updated_settings[group].append(setting)
    return updated_settings

 def __len__(self):
     return len(Setting.as_dict())

 def __iter__(self):
     return iter(Setting.as_dict())

 def __setitem__(self, key, value):
     Setting.update({key.lower(): value})

 def __getitem__(self, key):
     return Setting.as_dict()[key]