(self, plugin)
return plugin
Add a plugin to the list of plugins and prepare it for being
            applied to all routes of this application. A plugin may be a simple
            decorator or an object that implements the :class:`Plugin` API.
Add a plugin to the list of plugins and prepare it for being
            applied to all routes of this application. A plugin may be a simple
            decorator or an object that implements the :class:`Plugin` API.
Add a plugin to the list of plugins and prepare it for being applied to all routes of this application . A plugin may be a simple decorator or an object that implements the : class : Plugin API .
def install(self, plugin):
        ''' Add a plugin to the list of plugins and prepare it for being
            applied to all routes of this application. A plugin may be a simple
            decorator or an object that implements the :class:`Plugin` API.
        '''
        if hasattr(plugin, 'setup'): plugin.setup(self)
        if not callable(plugin) and not hasattr(plugin, 'apply'):
            raise TypeError("Plugins must be callable or implement .apply()")
        self.plugins.append(plugin)
        self.reset()
        return plugin
def install ( self , plugin ) : if hasattr ( plugin , 'setup' ) : plugin . setup ( self ) if not callable ( plugin ) and not hasattr ( plugin , 'apply' ) : raise TypeError ( "Plugins must be callable or implement .apply()" ) self . plugins . append ( plugin ) self . reset ( ) return plugin