Refresh plugins tag

        plugin_logger = logger.getChild('plugin.%s' % name)

        self.plugins[name] = Plugin(plugin_logger, TagDB(self.tag_db),

                                    name, sha1, content)

        self.tag_db['__main__']['plugins'].update_value()

    def plugin_uninstall(self, name):

        plugin = self.plugins.pop(name, None)

        if plugin is None:

            raise KeyError('Plugin %r is not running' % name)

        plugin.uninstall()

        self.tag_db['__main__']['plugins'].update_value()

    def plugin_run(self, name, method, owner, **kwargs):

        if name not in self.plugins: